endif
PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
- FILES_DIR ?= ./files$(shell [ -d "./files-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
+ FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
define Kernel/Patch/Default
rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches
- if [ -d $(GENERIC_FILES_DIR) ]; then $(CP) $(GENERIC_FILES_DIR)/* $(LINUX_DIR)/; fi
- if [ -d $(FILES_DIR) ]; then \
- $(CP) $(FILES_DIR)/* $(LINUX_DIR)/; \
- find $(LINUX_DIR)/ -name \*.rej | xargs rm -f; \
- fi
+ $(CP) $(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.) $(LINUX_DIR)/
+ find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
$(call PatchDir,$(GENERIC_PATCH_DIR),generic/)
$(call PatchDir,$(PATCH_DIR),platform/)
endef
GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-GENERIC_FILES_DIR := $(GENERIC_PLATFORM_DIR)/files$(shell [ -d "$(GENERIC_PLATFORM_DIR)/files-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
+GENERIC_FILES_DIR := $(foreach dir,$(wildcard $(GENERIC_PLATFORM_DIR)/files $(GENERIC_PLATFORM_DIR)/files-$(KERNEL_PATCHVER)),"$(dir)")
GENERIC_LINUX_CONFIG?=$(firstword $(wildcard $(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER) $(GENERIC_PLATFORM_DIR)/config-default))
LINUX_CONFIG?=$(firstword $(wildcard $(foreach subdir,$(PLATFORM_DIR) $(PLATFORM_SUBDIR),$(subdir)/config-$(KERNEL_PATCHVER) $(subdir)/config-default)) $(PLATFORM_DIR)/config-$(KERNEL_PATCHVER))
--- /dev/null
+#
+# Makefile for the BCM47xx specific kernel interface routines
+# under Linux.
+#
+
+obj-y := irq.o prom.o setup.o time.o
+obj-y += nvram.o cfe_env.o
--- /dev/null
+/*
+ * CFE environment variable access
+ *
+ * Copyright 2001-2003, Broadcom Corporation
+ * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+#define NVRAM_SIZE (0x1ff0)
+static char _nvdata[NVRAM_SIZE];
+static char _valuestr[256];
+
+/*
+ * TLV types. These codes are used in the "type-length-value"
+ * encoding of the items stored in the NVRAM device (flash or EEPROM)
+ *
+ * The layout of the flash/nvram is as follows:
+ *
+ * <type> <length> <data ...> <type> <length> <data ...> <type_end>
+ *
+ * The type code of "ENV_TLV_TYPE_END" marks the end of the list.
+ * The "length" field marks the length of the data section, not
+ * including the type and length fields.
+ *
+ * Environment variables are stored as follows:
+ *
+ * <type_env> <length> <flags> <name> = <value>
+ *
+ * If bit 0 (low bit) is set, the length is an 8-bit value.
+ * If bit 0 (low bit) is clear, the length is a 16-bit value
+ *
+ * Bit 7 set indicates "user" TLVs. In this case, bit 0 still
+ * indicates the size of the length field.
+ *
+ * Flags are from the constants below:
+ *
+ */
+#define ENV_LENGTH_16BITS 0x00 /* for low bit */
+#define ENV_LENGTH_8BITS 0x01
+
+#define ENV_TYPE_USER 0x80
+
+#define ENV_CODE_SYS(n,l) (((n)<<1)|(l))
+#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER)
+
+/*
+ * The actual TLV types we support
+ */
+
+#define ENV_TLV_TYPE_END 0x00
+#define ENV_TLV_TYPE_ENV ENV_CODE_SYS(0,ENV_LENGTH_8BITS)
+
+/*
+ * Environment variable flags
+ */
+
+#define ENV_FLG_NORMAL 0x00 /* normal read/write */
+#define ENV_FLG_BUILTIN 0x01 /* builtin - not stored in flash */
+#define ENV_FLG_READONLY 0x02 /* read-only - cannot be changed */
+
+#define ENV_FLG_MASK 0xFF /* mask of attributes we keep */
+#define ENV_FLG_ADMIN 0x100 /* lets us internally override permissions */
+
+
+/* *********************************************************************
+ * _nvram_read(buffer,offset,length)
+ *
+ * Read data from the NVRAM device
+ *
+ * Input parameters:
+ * buffer - destination buffer
+ * offset - offset of data to read
+ * length - number of bytes to read
+ *
+ * Return value:
+ * number of bytes read, or <0 if error occured
+ ********************************************************************* */
+static int
+_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length)
+{
+ int i;
+ if (offset > NVRAM_SIZE)
+ return -1;
+
+ for ( i = 0; i < length; i++) {
+ buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i];
+ }
+ return length;
+}
+
+
+static char*
+_strnchr(const char *dest,int c,size_t cnt)
+{
+ while (*dest && (cnt > 0)) {
+ if (*dest == c) return (char *) dest;
+ dest++;
+ cnt--;
+ }
+ return NULL;
+}
+
+
+
+/*
+ * Core support API: Externally visible.
+ */
+
+/*
+ * Get the value of an NVRAM variable
+ * @param name name of variable to get
+ * @return value of variable or NULL if undefined
+ */
+
+char*
+cfe_env_get(unsigned char *nv_buf, char* name)
+{
+ int size;
+ unsigned char *buffer;
+ unsigned char *ptr;
+ unsigned char *envval;
+ unsigned int reclen;
+ unsigned int rectype;
+ int offset;
+ int flg;
+
+ if (!strcmp(name, "nvram_type"))
+ return "cfe";
+
+ size = NVRAM_SIZE;
+ buffer = &_nvdata[0];
+
+ ptr = buffer;
+ offset = 0;
+
+ /* Read the record type and length */
+ if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
+ goto error;
+ }
+
+ while ((*ptr != ENV_TLV_TYPE_END) && (size > 1)) {
+
+ /* Adjust pointer for TLV type */
+ rectype = *(ptr);
+ offset++;
+ size--;
+
+ /*
+ * Read the length. It can be either 1 or 2 bytes
+ * depending on the code
+ */
+ if (rectype & ENV_LENGTH_8BITS) {
+ /* Read the record type and length - 8 bits */
+ if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
+ goto error;
+ }
+ reclen = *(ptr);
+ size--;
+ offset++;
+ }
+ else {
+ /* Read the record type and length - 16 bits, MSB first */
+ if (_nvram_read(nv_buf, ptr,offset,2) != 2) {
+ goto error;
+ }
+ reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1);
+ size -= 2;
+ offset += 2;
+ }
+
+ if (reclen > size)
+ break; /* should not happen, bad NVRAM */
+
+ switch (rectype) {
+ case ENV_TLV_TYPE_ENV:
+ /* Read the TLV data */
+ if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen)
+ goto error;
+ flg = *ptr++;
+ envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1));
+ if (envval) {
+ *envval++ = '\0';
+ memcpy(_valuestr,envval,(reclen-1)-(envval-ptr));
+ _valuestr[(reclen-1)-(envval-ptr)] = '\0';
+#if 0
+ printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr);
+#endif
+ if(!strcmp(ptr, name)){
+ return _valuestr;
+ }
+ if((strlen(ptr) > 1) && !strcmp(&ptr[1], name))
+ return _valuestr;
+ }
+ break;
+
+ default:
+ /* Unknown TLV type, skip it. */
+ break;
+ }
+
+ /*
+ * Advance to next TLV
+ */
+
+ size -= (int)reclen;
+ offset += reclen;
+
+ /* Read the next record type */
+ ptr = buffer;
+ if (_nvram_read(nv_buf, ptr,offset,1) != 1)
+ goto error;
+ }
+
+error:
+ return NULL;
+
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __NVRAM_H
+#define __NVRAM_H
+
+struct nvram_header {
+ u32 magic;
+ u32 len;
+ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
+ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
+ u32 config_ncdl; /* ncdl values for memc */
+};
+
+struct nvram_tuple {
+ char *name;
+ char *value;
+ struct nvram_tuple *next;
+};
+
+#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
+#define NVRAM_VERSION 1
+#define NVRAM_HEADER_SIZE 20
+#define NVRAM_SPACE 0x8000
+
+#define NVRAM_MAX_VALUE_LEN 255
+#define NVRAM_MAX_PARAM_LEN 64
+
+char *nvram_get(const char *name);
+
+#endif
--- /dev/null
+/*
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/smp.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
+
+#include <asm/cpu.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/irq_cpu.h>
+
+
+extern struct ssb_bus ssb;
+
+
+void plat_irq_dispatch(void)
+{
+ u32 cause;
+
+ cause = read_c0_cause() & read_c0_status() & CAUSEF_IP;
+
+ clear_c0_status(cause);
+
+ if (cause & CAUSEF_IP7)
+ do_IRQ(7);
+ if (cause & CAUSEF_IP2)
+ do_IRQ(2);
+ if (cause & CAUSEF_IP3)
+ do_IRQ(3);
+ if (cause & CAUSEF_IP4)
+ do_IRQ(4);
+ if (cause & CAUSEF_IP5)
+ do_IRQ(5);
+ if (cause & CAUSEF_IP6)
+ do_IRQ(6);
+}
+
+void __init arch_init_irq(void)
+{
+ mips_cpu_irq_init();
+}
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int res;
+
+ res = ssb_pcibios_map_irq(dev, slot, pin);
+ if (res < 0) {
+ printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
+ dev->dev.bus_id);
+ return 0;
+ }
+ /* IRQ-0 and IRQ-1 are software interrupts. */
+ WARN_ON((res == 0) || (res == 1));
+
+ return res;
+}
--- /dev/null
+/*
+ * BCM947xx nvram variable access
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/ssb/ssb.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <asm/byteorder.h>
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+#include <nvram.h>
+
+#define MB * 1048576
+extern struct ssb_bus ssb;
+
+static char nvram_buf[NVRAM_SPACE];
+static int cfe_env;
+extern char *cfe_env_get(char *nv_buf, const char *name);
+
+/* Probe for NVRAM header */
+static void __init early_nvram_init(void)
+{
+ struct ssb_mipscore *mcore = &ssb.mipscore;
+ struct nvram_header *header;
+ int i;
+ u32 base, lim, off;
+ u32 *src, *dst;
+
+ base = mcore->flash_window;
+ lim = mcore->flash_window_size;
+ cfe_env = 0;
+
+
+ /* XXX: hack for supporting the CFE environment stuff on WGT634U */
+ if (lim >= 8 MB) {
+ src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000);
+ dst = (u32 *) nvram_buf;
+
+ if ((*src & 0xff00ff) == 0x000001) {
+ printk("early_nvram_init: WGT634U NVRAM found.\n");
+
+ for (i = 0; i < 0x1ff0; i++) {
+ if (*src == 0xFFFFFFFF)
+ break;
+ *dst++ = *src++;
+ }
+ cfe_env = 1;
+ return;
+ }
+ }
+
+ off = 0x20000;
+ while (off <= lim) {
+ /* Windowed flash access */
+ header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE);
+ if (header->magic == NVRAM_HEADER)
+ goto found;
+ off <<= 1;
+ }
+
+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+ header = (struct nvram_header *) KSEG1ADDR(base + 4096);
+ if (header->magic == NVRAM_HEADER)
+ goto found;
+
+ header = (struct nvram_header *) KSEG1ADDR(base + 1024);
+ if (header->magic == NVRAM_HEADER)
+ goto found;
+
+ return;
+
+found:
+ src = (u32 *) header;
+ dst = (u32 *) nvram_buf;
+ for (i = 0; i < sizeof(struct nvram_header); i += 4)
+ *dst++ = *src++;
+ for (; i < header->len && i < NVRAM_SPACE; i += 4)
+ *dst++ = le32_to_cpu(*src++);
+}
+
+char *nvram_get(const char *name)
+{
+ char *var, *value, *end, *eq;
+
+ if (!name)
+ return NULL;
+
+ if (!nvram_buf[0])
+ early_nvram_init();
+
+ if (cfe_env)
+ return cfe_env_get(nvram_buf, name);
+
+ /* Look for name=value and return value */
+ var = &nvram_buf[sizeof(struct nvram_header)];
+ end = nvram_buf + sizeof(nvram_buf) - 2;
+ end[0] = end[1] = '\0';
+ for (; *var; var = value + strlen(value) + 1) {
+ if (!(eq = strchr(var, '=')))
+ break;
+ value = eq + 1;
+ if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
+ return value;
+ }
+
+ return NULL;
+}
+
+EXPORT_SYMBOL(nvram_get);
--- /dev/null
+/*
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/pmon.h>
+#include "../cfe/cfe_private.h"
+
+const char *get_system_type(void)
+{
+ return "Broadcom BCM47xx";
+}
+
+void __init prom_init(void)
+{
+ unsigned long mem;
+
+ mips_machgroup = MACH_GROUP_BRCM;
+ mips_machtype = MACH_BCM47XX;
+
+ cfe_setup(fw_arg0, fw_arg1, fw_arg2, fw_arg3);
+
+ /* Figure out memory size by finding aliases */
+ for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) {
+ if (*(unsigned long *)((unsigned long)(prom_init) + mem) ==
+ *(unsigned long *)(prom_init))
+ break;
+ }
+
+ add_memory_region(0, mem, BOOT_MEM_RAM);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
--- /dev/null
+/*
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2006-2008 Michael Buesch <mb@bu3sch.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/serial_reg.h>
+#include <linux/serial_8250.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/reboot.h>
+#include <asm/cfe.h>
+#include <linux/pm.h>
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_embedded.h>
+
+#include <nvram.h>
+
+extern void bcm47xx_pci_init(void);
+extern void bcm47xx_time_init(void);
+
+struct ssb_bus ssb;
+
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ int err;
+
+ err = ssb_pcibios_plat_dev_init(dev);
+ if (err) {
+ printk(KERN_ALERT "PCI: Failed to init device %s\n",
+ pci_name(dev));
+ }
+
+ return err;
+}
+
+static void bcm47xx_machine_restart(char *command)
+{
+ printk(KERN_ALERT "Please stand by while rebooting the system...\n");
+ local_irq_disable();
+ /* CFE has a reboot callback, but that does not work.
+ * Oopses with: Reserved instruction in kernel code.
+ */
+
+ /* Set the watchdog timer to reset immediately */
+ if (ssb_watchdog_timer_set(&ssb, 1))
+ printk(KERN_EMERG "SSB watchdog-triggered reboot failed!\n");
+ while (1)
+ cpu_relax();
+}
+
+static void bcm47xx_machine_halt(void)
+{
+ /* Disable interrupts and watchdog and spin forever */
+ local_irq_disable();
+ if (ssb_watchdog_timer_set(&ssb, 0))
+ printk(KERN_EMERG "Failed to disable SSB watchdog!\n");
+ while (1)
+ cpu_relax();
+}
+
+static void e_aton(char *str, char *dest)
+{
+ int i = 0;
+
+ if (str == NULL) {
+ memset(dest, 0, 6);
+ return;
+ }
+
+ for (;;) {
+ dest[i++] = (char) simple_strtoul(str, NULL, 16);
+ str += 2;
+ if (!*str++ || i == 6)
+ break;
+ }
+}
+
+static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
+{
+ char *s;
+
+ memset(sprom, 0xFF, sizeof(struct ssb_sprom));
+
+ sprom->revision = 1;
+ if ((s = nvram_get("il0macaddr")))
+ e_aton(s, sprom->il0mac);
+ if ((s = nvram_get("et0macaddr")))
+ e_aton(s, sprom->et0mac);
+ if ((s = nvram_get("et1macaddr")))
+ e_aton(s, sprom->et1mac);
+ if ((s = nvram_get("et0phyaddr")))
+ sprom->et0phyaddr = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("et1phyaddr")))
+ sprom->et1phyaddr = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("et0mdcport")))
+ sprom->et0mdcport = !!simple_strtoul(s, NULL, 10);
+ if ((s = nvram_get("et1mdcport")))
+ sprom->et1mdcport = !!simple_strtoul(s, NULL, 10);
+ if ((s = nvram_get("pa0b0")))
+ sprom->pa0b0 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa0b1")))
+ sprom->pa0b1 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa0b2")))
+ sprom->pa0b2 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa1b0")))
+ sprom->pa1b0 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa1b1")))
+ sprom->pa1b1 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa1b2")))
+ sprom->pa1b2 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("wl0gpio0")))
+ sprom->gpio0 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("wl0gpio1")))
+ sprom->gpio1 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("wl0gpio2")))
+ sprom->gpio2 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("wl0gpio3")))
+ sprom->gpio3 = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa0maxpwr")))
+ sprom->maxpwr_bg = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa1maxpwr")))
+ sprom->maxpwr_a = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa0itssit")))
+ sprom->itssi_bg = simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("pa1itssit")))
+ sprom->itssi_a = simple_strtoul(s, NULL, 0);
+ sprom->boardflags_lo = 0;
+ if ((s = nvram_get("boardflags")))
+ sprom->boardflags_lo = simple_strtoul(s, NULL, 0);
+ sprom->boardflags_hi = 0;
+ if ((s = nvram_get("boardflags2")))
+ sprom->boardflags_hi = simple_strtoul(s, NULL, 0);
+}
+
+static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
+{
+ char *s;
+
+ iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
+ if ((s = nvram_get("boardtype")))
+ iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
+ if ((s = nvram_get("boardrev")))
+ iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
+
+ bcm47xx_fill_sprom(&iv->sprom);
+
+ if ((s = nvram_get("cardbus")))
+ iv->has_cardbus_slot = !!simple_strtoul(s, NULL, 10);
+
+ return 0;
+}
+
+void __init plat_mem_setup(void)
+{
+ int i, err;
+ char *s;
+ struct ssb_mipscore *mcore;
+
+ err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_get_invariants);
+ if (err) {
+ const char *msg = "Failed to initialize SSB bus (err %d)\n";
+ cfe_printk(msg, err); /* Make sure the message gets out of the box. */
+ panic(msg, err);
+ }
+ mcore = &ssb.mipscore;
+
+ s = nvram_get("kernel_args");
+ if (s && !strncmp(s, "console=ttyS1", 13)) {
+ struct ssb_serial_port port;
+
+ cfe_printk("Swapping serial ports!\n");
+ /* swap serial ports */
+ memcpy(&port, &mcore->serial_ports[0], sizeof(port));
+ memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
+ memcpy(&mcore->serial_ports[1], &port, sizeof(port));
+ }
+
+ for (i = 0; i < mcore->nr_serial_ports; i++) {
+ struct ssb_serial_port *port = &(mcore->serial_ports[i]);
+ struct uart_port s;
+
+ memset(&s, 0, sizeof(s));
+ s.line = i;
+ s.membase = port->regs;
+ s.irq = port->irq + 2;
+ s.uartclk = port->baud_base;
+ s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
+ s.iotype = SERIAL_IO_MEM;
+ s.regshift = port->reg_shift;
+
+ early_serial_setup(&s);
+ }
+ cfe_printk("Serial init done.\n");
+
+ _machine_restart = bcm47xx_machine_restart;
+ _machine_halt = bcm47xx_machine_halt;
+ pm_power_off = bcm47xx_machine_halt;
+ board_time_init = bcm47xx_time_init;
+}
+
+static int __init bcm47xx_register_gpiodev(void)
+{
+ static struct resource res = {
+ .start = 0xFFFFFFFF,
+ };
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
+ if (!pdev) {
+ printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+device_initcall(bcm47xx_register_gpiodev);
+
+EXPORT_SYMBOL(ssb);
--- /dev/null
+/*
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/serial_reg.h>
+#include <linux/interrupt.h>
+#include <linux/ssb/ssb.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/time.h>
+
+extern struct ssb_bus ssb;
+
+void __init
+bcm47xx_time_init(void)
+{
+ unsigned long hz;
+
+ /*
+ * Use deterministic values for initial counter interrupt
+ * so that calibrate delay avoids encountering a counter wrap.
+ */
+ write_c0_count(0);
+ write_c0_compare(0xffff);
+
+ hz = ssb_cpu_clock(&ssb.mipscore) / 2;
+ if (!hz)
+ hz = 100000000;
+
+ /* Set MIPS counter frequency for fixed_rate_gettimeoffset() */
+ mips_hpt_frequency = hz;
+}
+
+void __init
+plat_timer_setup(struct irqaction *irq)
+{
+ /* Enable the timer interrupt */
+ setup_irq(7, irq);
+}
--- /dev/null
+#
+# Makefile for the Broadcom Common Firmware Environment support
+#
+
+obj-y += cfe.o
--- /dev/null
+/*
+ * Broadcom Common Firmware Environment (CFE) support
+ *
+ * Copyright 2000, 2001, 2002
+ * Broadcom Corporation. All rights reserved.
+ *
+ * Copyright (C) 2006 Michael Buesch
+ *
+ * Original Authors: Mitch Lichtenberg, Chris Demetriou
+ *
+ * This software is furnished under license and may be used and copied only
+ * in accordance with the following terms and conditions. Subject to these
+ * conditions, you may download, copy, install, use, modify and distribute
+ * modified or unmodified copies of this software in source and/or binary
+ * form. No title or ownership is transferred hereby.
+ *
+ * 1) Any source code used, modified or distributed must reproduce and
+ * retain this copyright notice and list of conditions as they appear in
+ * the source file.
+ *
+ * 2) No right is granted to use any trade name, trademark, or logo of
+ * Broadcom Corporation. The "Broadcom Corporation" name may not be
+ * used to endorse or promote products derived from this software
+ * without the prior written permission of Broadcom Corporation.
+ *
+ * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
+ * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
+ * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/spinlock.h>
+#include <asm/cfe.h>
+
+#include "cfe_private.h"
+
+
+static cfe_uint_t cfe_handle;
+static int (*cfe_trampoline)(long handle, long iocb);
+
+
+#include <linux/kernel.h>
+
+void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
+ unsigned long fwarg2, unsigned long fwarg3)
+{
+ if (fwarg3 == 0x80300000) {
+ /* WRT54G workaround */
+ fwarg3 = CFE_EPTSEAL;
+ fwarg2 = 0xBFC00500;
+ }
+ if (fwarg3 != CFE_EPTSEAL) {
+ /* We are not booted from CFE */
+ return;
+ }
+ if (fwarg1 == 0) {
+ /* We are on the boot CPU */
+ cfe_handle = (cfe_uint_t)fwarg0;
+ cfe_trampoline = CFE_TO_PTR(fwarg2);
+ }
+}
+
+int cfe_vprintk(const char *fmt, va_list args)
+{
+ static char buffer[1024];
+ static DEFINE_SPINLOCK(lock);
+ static const char pfx[] = "CFE-console: ";
+ static const size_t pfx_len = sizeof(pfx) - 1;
+ unsigned long flags;
+ int len, cnt, pos;
+ int handle;
+ int res;
+
+ if (!cfe_present())
+ return -ENODEV;
+
+ spin_lock_irqsave(&lock, flags);
+ handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
+ if (CFE_ISERR(handle)) {
+ len = -EIO;
+ goto out;
+ }
+ strcpy(buffer, pfx);
+ len = vscnprintf(buffer + pfx_len,
+ sizeof(buffer) - pfx_len - 2,
+ fmt, args);
+ len += pfx_len;
+ /* The CFE console requires CR-LF line-ends.
+ * Add a CR, if we only terminate lines with a LF.
+ * This does only fix CR-LF at the end of the string.
+ * So for multiple lines, use multiple cfe_vprintk calls.
+ */
+ if (len > 1 &&
+ buffer[len - 1] == '\n' && buffer[len - 2] != '\r') {
+ buffer[len - 1] = '\r';
+ buffer[len] = '\n';
+ len += 1;
+ }
+ cnt = len;
+ pos = 0;
+ while (cnt > 0) {
+ res = cfe_write(handle, buffer + pos, len - pos);
+ if (CFE_ISERR(res)) {
+ len = -EIO;
+ goto out;
+ }
+ cnt -= res;
+ pos += res;
+ }
+out:
+ spin_unlock_irqrestore(&lock, flags);
+
+ return len;
+}
+
+int cfe_printk(const char *fmt, ...)
+{
+ va_list args;
+ int res;
+
+ va_start(args, fmt);
+ res = cfe_vprintk(fmt, args);
+ va_end(args);
+
+ return res;
+}
+
+static int cfe_iocb_dispatch(struct cfe_iocb *iocb)
+{
+ if (!cfe_present())
+ return CFE_ERR_UNSUPPORTED;
+ return cfe_trampoline((long)cfe_handle, (long)iocb);
+}
+
+int cfe_present(void)
+{
+ return (cfe_trampoline != NULL);
+}
+
+int cfe_close(int handle)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_CLOSE;
+ iocb.handle = handle;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_FW_CPUCTL;
+ iocb.psize = sizeof(struct cfe_iocb_cpuctl);
+ iocb.cpuctl.number = cpu;
+ iocb.cpuctl.command = CFE_CPU_CMD_START;
+ iocb.cpuctl.gp = gp;
+ iocb.cpuctl.sp = sp;
+ iocb.cpuctl.a1 = a1;
+ iocb.cpuctl.start_addr = (long)fn;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_cpu_stop(int cpu)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_FW_CPUCTL;
+ iocb.psize = sizeof(struct cfe_iocb_cpuctl);
+ iocb.cpuctl.number = cpu;
+ iocb.cpuctl.command = CFE_CPU_CMD_STOP;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_ENV_ENUM;
+ iocb.psize = sizeof(struct cfe_iocb_envbuf);
+ iocb.envbuf.index = idx;
+ iocb.envbuf.name = PTR_TO_CFE(name);
+ iocb.envbuf.name_len = namelen;
+ iocb.envbuf.val = PTR_TO_CFE(val);
+ iocb.envbuf.val_len = vallen;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_enumdev(int idx, char *name, int namelen)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+
+ iocb.fcode = CFE_CMD_DEV_ENUM;
+ iocb.psize = sizeof(struct cfe_iocb_envbuf);
+ iocb.envbuf.index = idx;
+ iocb.envbuf.name = PTR_TO_CFE(name);
+ iocb.envbuf.name_len = namelen;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
+ u64 *type)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+
+ iocb.fcode = CFE_CMD_FW_MEMENUM;
+ iocb.flags = flags;
+ iocb.psize = sizeof(struct cfe_iocb_meminfo);
+ iocb.meminfo.index = idx;
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (!CFE_ISERR(iocb.status)) {
+ *start = iocb.meminfo.addr;
+ *length = iocb.meminfo.size;
+ *type = iocb.meminfo.type;
+ }
+
+ return iocb.status;
+}
+
+int cfe_exit(int warm, int status)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+printk("CFE REBOOT\n");
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_FW_RESTART;
+ if (warm)
+ iocb.flags = CFE_FLG_WARMSTART;
+ iocb.psize = sizeof(struct cfe_iocb_exitstat);
+ iocb.exitstat.status = status;
+
+printk("CALL\n");
+ err = cfe_iocb_dispatch(&iocb);
+printk("DONE\n");
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_flushcache(int flags)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_FW_FLUSHCACHE;
+ iocb.flags = flags;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_getdevinfo(char *name)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_GETINFO;
+ iocb.psize = sizeof(struct cfe_iocb_buf);
+ iocb.buffer.ptr = PTR_TO_CFE(name);
+ iocb.buffer.length = strlen(name);
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+
+ return iocb.buffer.devflags;
+}
+
+int cfe_getenv(char *name, char *dest, int destlen)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ dest[0] = '\0';
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_ENV_GET;
+ iocb.psize = sizeof(struct cfe_iocb_envbuf);
+ iocb.envbuf.name = PTR_TO_CFE(name);
+ iocb.envbuf.name_len = strlen(name);
+ iocb.envbuf.val = PTR_TO_CFE(dest);
+ iocb.envbuf.val_len = destlen;
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_getfwinfo(struct cfe_fwinfo *info)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_FW_GETINFO;
+ iocb.psize = sizeof(struct cfe_iocb_fwinfo);
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return err;
+
+ info->version = iocb.fwinfo.version;
+ info->totalmem = iocb.fwinfo.totalmem;
+ info->flags = iocb.fwinfo.flags;
+ info->boardid = iocb.fwinfo.boardid;
+ info->bootarea_va = iocb.fwinfo.bootarea_va;
+ info->bootarea_pa = iocb.fwinfo.bootarea_pa;
+ info->bootarea_size = iocb.fwinfo.bootarea_size;
+
+ return iocb.status;
+}
+
+int cfe_getstdhandle(int handletype)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_GETHANDLE;
+ iocb.flags = handletype;
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+
+ return iocb.handle;
+}
+
+int cfe_getticks(s64 *ticks)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_FW_GETTIME;
+ iocb.psize = sizeof(struct cfe_iocb_time);
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (!CFE_ISERR(iocb.status))
+ *ticks = iocb.time.ticks;
+
+ return iocb.status;
+}
+
+int cfe_inpstat(int handle)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_INPSTAT;
+ iocb.handle = handle;
+ iocb.psize = sizeof(struct cfe_iocb_inpstat);
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+
+ return iocb.inpstat.status;
+}
+
+int cfe_ioctl(int handle, unsigned int ioctlnum,
+ unsigned char *buffer, int length,
+ int *retlen, u64 offset)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_IOCTL;
+ iocb.handle = handle;
+ iocb.psize = sizeof(struct cfe_iocb_buf);
+ iocb.buffer.offset = offset;
+ iocb.buffer.ioctlcmd = ioctlnum;
+ iocb.buffer.ptr = PTR_TO_CFE(buffer);
+ iocb.buffer.length = length;
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+ if (retlen)
+ *retlen = iocb.buffer.retlen;
+
+ return iocb.status;
+}
+
+int cfe_open(char *name)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_OPEN;
+ iocb.psize = sizeof(struct cfe_iocb_buf);
+ iocb.buffer.ptr = PTR_TO_CFE(name);
+ iocb.buffer.length = strlen(name);
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+
+ return iocb.handle;
+}
+
+int cfe_read(int handle, unsigned char *buffer, int length)
+{
+ return cfe_readblk(handle, 0, buffer, length);
+}
+
+int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_READ;
+ iocb.handle = handle;
+ iocb.psize = sizeof(struct cfe_iocb_buf);
+ iocb.buffer.offset = offset;
+ iocb.buffer.ptr = PTR_TO_CFE(buffer);
+ iocb.buffer.length = length;
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+
+ return iocb.buffer.retlen;
+}
+
+int cfe_setenv(char *name, char *val)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_ENV_SET;
+ iocb.psize = sizeof(struct cfe_iocb_envbuf);
+ iocb.envbuf.name = PTR_TO_CFE(name);
+ iocb.envbuf.name_len = strlen(name);
+ iocb.envbuf.val = PTR_TO_CFE(val);
+ iocb.envbuf.val_len = strlen(val);
+
+ err = cfe_iocb_dispatch(&iocb);
+
+ return (CFE_ISERR(err)) ? err : iocb.status;
+}
+
+int cfe_write(int handle, unsigned char *buffer, int length)
+{
+ return cfe_writeblk(handle, 0, buffer, length);
+}
+
+int cfe_writeblk(int handle, s64 offset, unsigned char *buffer, int length)
+{
+ struct cfe_iocb iocb;
+ int err;
+
+ memset(&iocb, 0, sizeof(iocb));
+ iocb.fcode = CFE_CMD_DEV_WRITE;
+ iocb.handle = handle;
+ iocb.psize = sizeof(struct cfe_iocb_buf);
+ iocb.buffer.offset = offset;
+ iocb.buffer.ptr = PTR_TO_CFE(buffer);
+ iocb.buffer.length = length;
+
+ err = cfe_iocb_dispatch(&iocb);
+ if (CFE_ISERR(err))
+ return err;
+ if (CFE_ISERR(iocb.status))
+ return iocb.status;
+
+ return iocb.buffer.retlen;
+}
--- /dev/null
+/*
+ * Broadcom Common Firmware Environment (CFE) support
+ *
+ * Copyright 2000, 2001, 2002
+ * Broadcom Corporation. All rights reserved.
+ *
+ * Copyright (C) 2006 Michael Buesch
+ *
+ * Original Authors: Mitch Lichtenberg, Chris Demetriou
+ *
+ * This software is furnished under license and may be used and copied only
+ * in accordance with the following terms and conditions. Subject to these
+ * conditions, you may download, copy, install, use, modify and distribute
+ * modified or unmodified copies of this software in source and/or binary
+ * form. No title or ownership is transferred hereby.
+ *
+ * 1) Any source code used, modified or distributed must reproduce and
+ * retain this copyright notice and list of conditions as they appear in
+ * the source file.
+ *
+ * 2) No right is granted to use any trade name, trademark, or logo of
+ * Broadcom Corporation. The "Broadcom Corporation" name may not be
+ * used to endorse or promote products derived from this software
+ * without the prior written permission of Broadcom Corporation.
+ *
+ * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
+ * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
+ * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LINUX_CFE_PRIVATE_H_
+#define LINUX_CFE_PRIVATE_H_
+
+#ifndef __ASSEMBLY__
+
+/* Seal indicating CFE's presence, passed to the kernel. */
+#define CFE_EPTSEAL 0x43464531
+
+#define CFE_CMD_FW_GETINFO 0
+#define CFE_CMD_FW_RESTART 1
+#define CFE_CMD_FW_BOOT 2
+#define CFE_CMD_FW_CPUCTL 3
+#define CFE_CMD_FW_GETTIME 4
+#define CFE_CMD_FW_MEMENUM 5
+#define CFE_CMD_FW_FLUSHCACHE 6
+
+#define CFE_CMD_DEV_GETHANDLE 9
+#define CFE_CMD_DEV_ENUM 10
+#define CFE_CMD_DEV_OPEN 11
+#define CFE_CMD_DEV_INPSTAT 12
+#define CFE_CMD_DEV_READ 13
+#define CFE_CMD_DEV_WRITE 14
+#define CFE_CMD_DEV_IOCTL 15
+#define CFE_CMD_DEV_CLOSE 16
+#define CFE_CMD_DEV_GETINFO 17
+
+#define CFE_CMD_ENV_ENUM 20
+#define CFE_CMD_ENV_GET 22
+#define CFE_CMD_ENV_SET 23
+#define CFE_CMD_ENV_DEL 24
+
+#define CFE_CMD_MAX 32
+
+#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */
+
+typedef u64 cfe_uint_t;
+typedef s64 cfe_int_t;
+typedef s64 cfe_ptr_t;
+
+/* Cast a pointer from native to CFE-API pointer and back */
+#define CFE_TO_PTR(p) ((void *)(unsigned long)(p))
+#define PTR_TO_CFE(p) ((cfe_ptr_t)(unsigned long)(p))
+
+struct cfe_iocb_buf {
+ cfe_uint_t offset; /* offset on device (bytes) */
+ cfe_ptr_t ptr; /* pointer to a buffer */
+ cfe_uint_t length; /* length of this buffer */
+ cfe_uint_t retlen; /* returned length (for read ops) */
+ union {
+ cfe_uint_t ioctlcmd; /* IOCTL command (used only for IOCTLs) */
+ cfe_uint_t devflags; /* Returned device info flags */
+ };
+};
+
+struct cfe_iocb_inpstat {
+ cfe_uint_t status; /* 1 means input available */
+};
+
+struct cfe_iocb_envbuf {
+ cfe_int_t index; /* 0-based enumeration index */
+ cfe_ptr_t name; /* name string buffer */
+ cfe_int_t name_len; /* size of name buffer */
+ cfe_ptr_t val; /* value string buffer */
+ cfe_int_t val_len; /* size of value string buffer */
+};
+
+struct cfe_iocb_cpuctl {
+ cfe_uint_t number; /* cpu number to control */
+ cfe_uint_t command; /* command to issue to CPU */
+ cfe_uint_t start_addr; /* CPU start address */
+ cfe_uint_t gp; /* starting GP value */
+ cfe_uint_t sp; /* starting SP value */
+ cfe_uint_t a1; /* starting A1 value */
+};
+
+struct cfe_iocb_time {
+ cfe_int_t ticks; /* current time in ticks */
+};
+
+struct cfe_iocb_exitstat {
+ cfe_int_t status;
+};
+
+struct cfe_iocb_meminfo {
+ cfe_int_t index; /* 0-based enumeration index */
+ cfe_int_t type; /* type of memory block */
+ cfe_uint_t addr; /* physical start address */
+ cfe_uint_t size; /* block size */
+};
+
+struct cfe_iocb_fwinfo {
+ cfe_int_t version; /* major, minor, eco version */
+ cfe_int_t totalmem; /* total installed mem */
+ cfe_int_t flags; /* various flags */
+ cfe_int_t boardid; /* board ID */
+ cfe_int_t bootarea_va; /* VA of boot area */
+ cfe_int_t bootarea_pa; /* PA of boot area */
+ cfe_int_t bootarea_size; /* size of boot area */
+ cfe_int_t reserved1;
+ cfe_int_t reserved2;
+ cfe_int_t reserved3;
+};
+
+/* CFE I/O Control Block */
+struct cfe_iocb {
+ cfe_uint_t fcode; /* IOCB function code */
+ cfe_int_t status; /* return status */
+ cfe_int_t handle; /* file/device handle */
+ cfe_uint_t flags; /* flags for this IOCB */
+ cfe_uint_t psize; /* size of parameter list */
+ union {
+ struct cfe_iocb_buf buffer; /* buffer parameters */
+ struct cfe_iocb_inpstat inpstat; /* input status parameters */
+ struct cfe_iocb_envbuf envbuf; /* environment function parameters */
+ struct cfe_iocb_cpuctl cpuctl; /* CPU control parameters */
+ struct cfe_iocb_time time; /* timer parameters */
+ struct cfe_iocb_meminfo meminfo; /* memory arena info parameters */
+ struct cfe_iocb_fwinfo fwinfo; /* firmware information */
+ struct cfe_iocb_exitstat exitstat; /* Exit Status */
+ };
+};
+
+
+#include <linux/init.h>
+
+void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
+ unsigned long fwarg2, unsigned long fwarg3);
+
+#else /* __ASSEMBLY__ */
+
+ .macro cfe_early_init
+#ifdef CONFIG_CFE
+ jal cfe_setup
+#endif
+ .endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* LINUX_CFE_PRIVATE_H_ */
--- /dev/null
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ *
+ * original functions for finding root filesystem from Mike Baker
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Copyright 2001-2003, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * Flash mapping for BCM947XX boards
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/wait.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#ifdef CONFIG_MTD_PARTITIONS
+#include <linux/mtd/partitions.h>
+#endif
+#include <linux/crc32.h>
+#ifdef CONFIG_SSB
+#include <linux/ssb/ssb.h>
+#endif
+#include <asm/io.h>
+
+
+#define TRX_MAGIC 0x30524448 /* "HDR0" */
+#define TRX_VERSION 1
+#define TRX_MAX_LEN 0x3A0000
+#define TRX_NO_HEADER 1 /* Do not write TRX header */
+#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
+#define TRX_MAX_OFFSET 3
+
+struct trx_header {
+ u32 magic; /* "HDR0" */
+ u32 len; /* Length of file including header */
+ u32 crc32; /* 32-bit CRC from flag_version to end of file */
+ u32 flag_version; /* 0:15 flags, 16:31 version */
+ u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
+};
+
+#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
+#define NVRAM_SPACE 0x8000
+#define WINDOW_ADDR 0x1fc00000
+#define WINDOW_SIZE 0x400000
+#define BUSWIDTH 2
+
+#ifdef CONFIG_SSB
+extern struct ssb_bus ssb;
+#endif
+static struct mtd_info *bcm947xx_mtd;
+
+static void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+{
+ if (len==1) {
+ memcpy_fromio(to, map->virt + from, len);
+ } else {
+ int i;
+ u16 *dest = (u16 *) to;
+ u16 *src = (u16 *) (map->virt + from);
+ for (i = 0; i < (len / 2); i++) {
+ dest[i] = src[i];
+ }
+ if (len & 1)
+ *((u8 *)dest+len-1) = src[i] & 0xff;
+ }
+}
+
+static struct map_info bcm947xx_map = {
+ name: "Physically mapped flash",
+ size: WINDOW_SIZE,
+ bankwidth: BUSWIDTH,
+ phys: WINDOW_ADDR,
+};
+
+#ifdef CONFIG_MTD_PARTITIONS
+
+static struct mtd_partition bcm947xx_parts[] = {
+ { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
+ { name: "linux", offset: 0, size: 0, },
+ { name: "rootfs", offset: 0, size: 0, },
+ { name: "nvram", offset: 0, size: 0, },
+ { name: NULL, },
+};
+
+static int __init
+find_cfe_size(struct mtd_info *mtd, size_t size)
+{
+ struct trx_header *trx;
+ unsigned char buf[512];
+ int off;
+ size_t len;
+ int blocksize;
+
+ trx = (struct trx_header *) buf;
+
+ blocksize = mtd->erasesize;
+ if (blocksize < 0x10000)
+ blocksize = 0x10000;
+
+ for (off = (128*1024); off < size; off += blocksize) {
+ memset(buf, 0xe5, sizeof(buf));
+
+ /*
+ * Read into buffer
+ */
+ if (mtd->read(mtd, off, sizeof(buf), &len, buf) ||
+ len != sizeof(buf))
+ continue;
+
+ /* found a TRX header */
+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
+ goto found;
+ }
+ }
+
+ printk(KERN_NOTICE
+ "%s: Couldn't find bootloader size\n",
+ mtd->name);
+ return -1;
+
+ found:
+ printk(KERN_NOTICE "bootloader size: %d\n", off);
+ return off;
+
+}
+
+/*
+ * Copied from mtdblock.c
+ *
+ * Cache stuff...
+ *
+ * Since typical flash erasable sectors are much larger than what Linux's
+ * buffer cache can handle, we must implement read-modify-write on flash
+ * sectors for each block write requests. To avoid over-erasing flash sectors
+ * and to speed things up, we locally cache a whole flash sector while it is
+ * being written to until a different sector is required.
+ */
+
+static void erase_callback(struct erase_info *done)
+{
+ wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
+ wake_up(wait_q);
+}
+
+static int erase_write (struct mtd_info *mtd, unsigned long pos,
+ int len, const char *buf)
+{
+ struct erase_info erase;
+ DECLARE_WAITQUEUE(wait, current);
+ wait_queue_head_t wait_q;
+ size_t retlen;
+ int ret;
+
+ /*
+ * First, let's erase the flash block.
+ */
+
+ init_waitqueue_head(&wait_q);
+ erase.mtd = mtd;
+ erase.callback = erase_callback;
+ erase.addr = pos;
+ erase.len = len;
+ erase.priv = (u_long)&wait_q;
+
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&wait_q, &wait);
+
+ ret = mtd->erase(mtd, &erase);
+ if (ret) {
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&wait_q, &wait);
+ printk (KERN_WARNING "erase of region [0x%lx, 0x%x] "
+ "on \"%s\" failed\n",
+ pos, len, mtd->name);
+ return ret;
+ }
+
+ schedule(); /* Wait for erase to finish. */
+ remove_wait_queue(&wait_q, &wait);
+
+ /*
+ * Next, writhe data to flash.
+ */
+
+ ret = mtd->write (mtd, pos, len, &retlen, buf);
+ if (ret)
+ return ret;
+ if (retlen != len)
+ return -EIO;
+ return 0;
+}
+
+
+
+
+static int __init
+find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
+{
+ struct trx_header trx, *trx2;
+ unsigned char buf[512], *block;
+ int off, blocksize;
+ u32 i, crc = ~0;
+ size_t len;
+ struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
+
+ blocksize = mtd->erasesize;
+ if (blocksize < 0x10000)
+ blocksize = 0x10000;
+
+ for (off = (128*1024); off < size; off += blocksize) {
+ memset(&trx, 0xe5, sizeof(trx));
+
+ /*
+ * Read into buffer
+ */
+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
+ len != sizeof(trx))
+ continue;
+
+ /* found a TRX header */
+ if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
+ part->offset = le32_to_cpu(trx.offsets[2]) ? :
+ le32_to_cpu(trx.offsets[1]);
+ part->size = le32_to_cpu(trx.len);
+
+ part->size -= part->offset;
+ part->offset += off;
+
+ goto found;
+ }
+ }
+
+ printk(KERN_NOTICE
+ "%s: Couldn't find root filesystem\n",
+ mtd->name);
+ return -1;
+
+ found:
+ if (part->size == 0)
+ return 0;
+
+ if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
+ return 0;
+
+ /* Move the fs outside of the trx */
+ part->size = 0;
+
+ if (trx.len != part->offset + part->size - off) {
+ /* Update the trx offsets and length */
+ trx.len = part->offset + part->size - off;
+
+ /* Update the trx crc32 */
+ for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) {
+ if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf))
+ return 0;
+ crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
+ }
+ trx.crc32 = crc;
+
+ /* read first eraseblock from the trx */
+ block = kmalloc(mtd->erasesize, GFP_KERNEL);
+ trx2 = (struct trx_header *) block;
+ if (mtd->read(mtd, off, mtd->erasesize, &len, block) || len != mtd->erasesize) {
+ printk("Error accessing the first trx eraseblock\n");
+ return 0;
+ }
+
+ printk("Updating TRX offsets and length:\n");
+ printk("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32);
+ printk("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32);
+
+ /* Write updated trx header to the flash */
+ memcpy(block, &trx, sizeof(trx));
+ if (mtd->unlock)
+ mtd->unlock(mtd, off, mtd->erasesize);
+ erase_write(mtd, off, mtd->erasesize, block);
+ if (mtd->sync)
+ mtd->sync(mtd);
+ kfree(block);
+ printk("Done\n");
+ }
+
+ return part->size;
+}
+
+struct mtd_partition * __init
+init_mtd_partitions(struct mtd_info *mtd, size_t size)
+{
+ int cfe_size;
+
+ if ((cfe_size = find_cfe_size(mtd,size)) < 0)
+ return NULL;
+
+ /* boot loader */
+ bcm947xx_parts[0].offset = 0;
+ bcm947xx_parts[0].size = cfe_size;
+
+ /* nvram */
+ if (cfe_size != 384 * 1024) {
+ bcm947xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+ bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+ } else {
+ /* nvram (old 128kb config partition on netgear wgt634u) */
+ bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
+ bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+ }
+
+ /* linux (kernel and rootfs) */
+ if (cfe_size != 384 * 1024) {
+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
+ bcm947xx_parts[1].size = bcm947xx_parts[3].offset -
+ bcm947xx_parts[1].offset;
+ } else {
+ /* do not count the elf loader, which is on one block */
+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size +
+ bcm947xx_parts[3].size + mtd->erasesize;
+ bcm947xx_parts[1].size = size -
+ bcm947xx_parts[0].size -
+ (2*bcm947xx_parts[3].size) -
+ mtd->erasesize;
+ }
+
+ /* find and size rootfs */
+ find_root(mtd,size,&bcm947xx_parts[2]);
+ bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset - bcm947xx_parts[3].size;
+
+ return bcm947xx_parts;
+}
+#endif
+
+int __init init_bcm947xx_map(void)
+{
+#ifdef CONFIG_SSB
+ struct ssb_mipscore *mcore = &ssb.mipscore;
+#endif
+ size_t size;
+ int ret = 0;
+#ifdef CONFIG_MTD_PARTITIONS
+ struct mtd_partition *parts;
+ int i;
+#endif
+
+#ifdef CONFIG_SSB
+ u32 window = mcore->flash_window;
+ u32 window_size = mcore->flash_window_size;
+
+ printk("flash init: 0x%08x 0x%08x\n", window, window_size);
+ bcm947xx_map.phys = window;
+ bcm947xx_map.size = window_size;
+ bcm947xx_map.virt = ioremap_nocache(window, window_size);
+#else
+ printk("flash init: 0x%08x 0x%08x\n", WINDOW_ADDR, WINDOW_SIZE);
+ bcm947xx_map.virt = ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE);
+#endif
+
+ if (!bcm947xx_map.virt) {
+ printk("Failed to ioremap\n");
+ return -EIO;
+ }
+
+ simple_map_init(&bcm947xx_map);
+
+ if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
+ printk("Failed to do_map_probe\n");
+ iounmap((void *)bcm947xx_map.virt);
+ return -ENXIO;
+ }
+
+ /* override copy_from routine */
+ bcm947xx_map.copy_from = bcm947xx_map_copy_from;
+
+ bcm947xx_mtd->owner = THIS_MODULE;
+
+ size = bcm947xx_mtd->size;
+
+ printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ parts = init_mtd_partitions(bcm947xx_mtd, size);
+ for (i = 0; parts[i].name; i++);
+ ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
+ if (ret) {
+ printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
+ goto fail;
+ }
+#endif
+ return 0;
+
+ fail:
+ if (bcm947xx_mtd)
+ map_destroy(bcm947xx_mtd);
+ if (bcm947xx_map.virt)
+ iounmap((void *)bcm947xx_map.virt);
+ bcm947xx_map.virt = 0;
+ return ret;
+}
+
+void __exit cleanup_bcm947xx_map(void)
+{
+#ifdef CONFIG_MTD_PARTITIONS
+ del_mtd_partitions(bcm947xx_mtd);
+#endif
+ map_destroy(bcm947xx_mtd);
+ iounmap((void *)bcm947xx_map.virt);
+}
+
+module_init(init_bcm947xx_map);
+module_exit(cleanup_bcm947xx_map);
--- /dev/null
+/*
+ * Broadcom Common Firmware Environment (CFE) support
+ *
+ * Copyright 2000, 2001, 2002
+ * Broadcom Corporation. All rights reserved.
+ *
+ * Copyright (C) 2006 Michael Buesch
+ *
+ * Original Authors: Mitch Lichtenberg, Chris Demetriou
+ *
+ * This software is furnished under license and may be used and copied only
+ * in accordance with the following terms and conditions. Subject to these
+ * conditions, you may download, copy, install, use, modify and distribute
+ * modified or unmodified copies of this software in source and/or binary
+ * form. No title or ownership is transferred hereby.
+ *
+ * 1) Any source code used, modified or distributed must reproduce and
+ * retain this copyright notice and list of conditions as they appear in
+ * the source file.
+ *
+ * 2) No right is granted to use any trade name, trademark, or logo of
+ * Broadcom Corporation. The "Broadcom Corporation" name may not be
+ * used to endorse or promote products derived from this software
+ * without the prior written permission of Broadcom Corporation.
+ *
+ * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
+ * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
+ * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LINUX_CFE_API_H_
+#define LINUX_CFE_API_H_
+
+#include <linux/types.h>
+
+
+#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */
+#define CFE_MI_AVAILABLE 1 /* memory is available */
+
+#define CFE_FLG_WARMSTART 0x00000001
+#define CFE_FLG_FULL_ARENA 0x00000001
+#define CFE_FLG_ENV_PERMANENT 0x00000001
+
+#define CFE_CPU_CMD_START 1
+#define CFE_CPU_CMD_STOP 0
+
+#define CFE_STDHANDLE_CONSOLE 0
+
+#define CFE_DEV_NETWORK 1
+#define CFE_DEV_DISK 2
+#define CFE_DEV_FLASH 3
+#define CFE_DEV_SERIAL 4
+#define CFE_DEV_CPU 5
+#define CFE_DEV_NVRAM 6
+#define CFE_DEV_CLOCK 7
+#define CFE_DEV_OTHER 8
+#define CFE_DEV_MASK 0x0F
+
+#define CFE_CACHE_FLUSH_D 1
+#define CFE_CACHE_INVAL_I 2
+#define CFE_CACHE_INVAL_D 4
+#define CFE_CACHE_INVAL_L2 8
+
+#define CFE_FWI_64BIT 0x00000001
+#define CFE_FWI_32BIT 0x00000002
+#define CFE_FWI_RELOC 0x00000004
+#define CFE_FWI_UNCACHED 0x00000008
+#define CFE_FWI_MULTICPU 0x00000010
+#define CFE_FWI_FUNCSIM 0x00000020
+#define CFE_FWI_RTLSIM 0x00000040
+
+struct cfe_fwinfo {
+ s64 version; /* major, minor, eco version */
+ s64 totalmem; /* total installed mem */
+ s64 flags; /* various flags */
+ s64 boardid; /* board ID */
+ s64 bootarea_va; /* VA of boot area */
+ s64 bootarea_pa; /* PA of boot area */
+ s64 bootarea_size; /* size of boot area */
+};
+
+
+/* The public CFE API */
+
+int cfe_present(void); /* Check if we booted from CFE. Returns bool */
+
+int cfe_getticks(s64 *ticks);
+int cfe_close(int handle);
+int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
+int cfe_cpu_stop(int cpu);
+int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
+int cfe_enumdev(int idx, char *name, int namelen);
+int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
+ u64 *type);
+int cfe_exit(int warm, int status);
+int cfe_flushcache(int flags);
+int cfe_getdevinfo(char *name);
+int cfe_getenv(char *name, char *dest, int destlen);
+int cfe_getfwinfo(struct cfe_fwinfo *info);
+int cfe_getstdhandle(int handletype);
+int cfe_inpstat(int handle);
+int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
+ int length, int *retlen, u64 offset);
+int cfe_open(char *name);
+int cfe_read(int handle, unsigned char *buffer, int length);
+int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length);
+int cfe_setenv(char *name, char *val);
+int cfe_write(int handle, unsigned char *buffer, int length);
+int cfe_writeblk(int handle, s64 offset, unsigned char *buffer,
+ int length);
+
+
+/* High level API */
+
+/* Print some information to CFE's console (most likely serial line) */
+int cfe_printk(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
+int cfe_vprintk(const char *fmt, va_list args);
+
+
+
+/* Error codes returned by the low API functions */
+
+#define CFE_ISERR(errcode) (errcode < 0)
+
+#define CFE_OK 0
+#define CFE_ERR -1 /* generic error */
+#define CFE_ERR_INV_COMMAND -2
+#define CFE_ERR_EOF -3
+#define CFE_ERR_IOERR -4
+#define CFE_ERR_NOMEM -5
+#define CFE_ERR_DEVNOTFOUND -6
+#define CFE_ERR_DEVOPEN -7
+#define CFE_ERR_INV_PARAM -8
+#define CFE_ERR_ENVNOTFOUND -9
+#define CFE_ERR_ENVREADONLY -10
+
+#define CFE_ERR_NOTELF -11
+#define CFE_ERR_NOT32BIT -12
+#define CFE_ERR_WRONGENDIAN -13
+#define CFE_ERR_BADELFVERS -14
+#define CFE_ERR_NOTMIPS -15
+#define CFE_ERR_BADELFFMT -16
+#define CFE_ERR_BADADDR -17
+
+#define CFE_ERR_FILENOTFOUND -18
+#define CFE_ERR_UNSUPPORTED -19
+
+#define CFE_ERR_HOSTUNKNOWN -20
+
+#define CFE_ERR_TIMEOUT -21
+
+#define CFE_ERR_PROTOCOLERR -22
+
+#define CFE_ERR_NETDOWN -23
+#define CFE_ERR_NONAMESERVER -24
+
+#define CFE_ERR_NOHANDLES -25
+#define CFE_ERR_ALREADYBOUND -26
+
+#define CFE_ERR_CANNOTSET -27
+#define CFE_ERR_NOMORE -28
+#define CFE_ERR_BADFILESYS -29
+#define CFE_ERR_FSNOTAVAIL -30
+
+#define CFE_ERR_INVBOOTBLOCK -31
+#define CFE_ERR_WRONGDEVTYPE -32
+#define CFE_ERR_BBCHECKSUM -33
+#define CFE_ERR_BOOTPROGCHKSUM -34
+
+#define CFE_ERR_LDRNOTAVAIL -35
+
+#define CFE_ERR_NOTREADY -36
+
+#define CFE_ERR_GETMEM -37
+#define CFE_ERR_SETMEM -38
+
+#define CFE_ERR_NOTCONN -39
+#define CFE_ERR_ADDRINUSE -40
+
+
+#endif /* LINUX_CFE_API_H_ */
--- /dev/null
+#ifndef __BCM947XX_GPIO_H
+#define __BCM947XX_GPIO_H
+
+#include <linux/ssb/ssb_embedded.h>
+
+extern struct ssb_bus ssb;
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ ssb_gpio_outen(&ssb, 1 << gpio, 0);
+ return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+ ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
+ ssb_gpio_outen(&ssb, 1 << gpio, 1 << gpio);
+ return 0;
+}
+
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ struct ssb_device *dev;
+
+ dev = ssb.chipco.dev;
+ if (!dev)
+ dev = ssb.extif.dev;
+ if (!dev)
+ return -EINVAL;
+
+ return ssb_mips_irq(dev) + 2;
+}
+
+static inline int irq_to_gpio(unsigned gpio)
+{
+ return -EINVAL;
+}
+
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ return !!ssb_gpio_in(&ssb, 1 << gpio);
+}
+
+static inline int gpio_set_value(unsigned gpio, int value)
+{
+ ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
+ return 0;
+}
+
+
+/* cansleep wrappers */
+#include <asm-generic/gpio.h>
+
+
+#endif /* __BCM947XX_GPIO_H */
+
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2005 Embedded Alley Solutions, Inc
+ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2006 Michael Buesch
+ */
+#ifndef __ASM_MACH_GENERIC_KERNEL_ENTRY_H
+#define __ASM_MACH_GENERIC_KERNEL_ENTRY_H
+
+/* Intentionally empty macro, used in head.S. Override in
+ * arch/mips/mach-xxx/kernel-entry-init.h when necessary.
+ */
+ .macro kernel_entry_setup
+ .endm
+
+/*
+ * Do SMP slave processor setup necessary before we can savely execute C code.
+ */
+ .macro smp_slave_setup
+ .endm
+
+
+#endif /* __ASM_MACH_GENERIC_KERNEL_ENTRY_H */
+++ /dev/null
-#
-# Makefile for the BCM47xx specific kernel interface routines
-# under Linux.
-#
-
-obj-y := irq.o prom.o setup.o time.o
-obj-y += nvram.o cfe_env.o
+++ /dev/null
-/*
- * CFE environment variable access
- *
- * Copyright 2001-2003, Broadcom Corporation
- * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-#define NVRAM_SIZE (0x1ff0)
-static char _nvdata[NVRAM_SIZE];
-static char _valuestr[256];
-
-/*
- * TLV types. These codes are used in the "type-length-value"
- * encoding of the items stored in the NVRAM device (flash or EEPROM)
- *
- * The layout of the flash/nvram is as follows:
- *
- * <type> <length> <data ...> <type> <length> <data ...> <type_end>
- *
- * The type code of "ENV_TLV_TYPE_END" marks the end of the list.
- * The "length" field marks the length of the data section, not
- * including the type and length fields.
- *
- * Environment variables are stored as follows:
- *
- * <type_env> <length> <flags> <name> = <value>
- *
- * If bit 0 (low bit) is set, the length is an 8-bit value.
- * If bit 0 (low bit) is clear, the length is a 16-bit value
- *
- * Bit 7 set indicates "user" TLVs. In this case, bit 0 still
- * indicates the size of the length field.
- *
- * Flags are from the constants below:
- *
- */
-#define ENV_LENGTH_16BITS 0x00 /* for low bit */
-#define ENV_LENGTH_8BITS 0x01
-
-#define ENV_TYPE_USER 0x80
-
-#define ENV_CODE_SYS(n,l) (((n)<<1)|(l))
-#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER)
-
-/*
- * The actual TLV types we support
- */
-
-#define ENV_TLV_TYPE_END 0x00
-#define ENV_TLV_TYPE_ENV ENV_CODE_SYS(0,ENV_LENGTH_8BITS)
-
-/*
- * Environment variable flags
- */
-
-#define ENV_FLG_NORMAL 0x00 /* normal read/write */
-#define ENV_FLG_BUILTIN 0x01 /* builtin - not stored in flash */
-#define ENV_FLG_READONLY 0x02 /* read-only - cannot be changed */
-
-#define ENV_FLG_MASK 0xFF /* mask of attributes we keep */
-#define ENV_FLG_ADMIN 0x100 /* lets us internally override permissions */
-
-
-/* *********************************************************************
- * _nvram_read(buffer,offset,length)
- *
- * Read data from the NVRAM device
- *
- * Input parameters:
- * buffer - destination buffer
- * offset - offset of data to read
- * length - number of bytes to read
- *
- * Return value:
- * number of bytes read, or <0 if error occured
- ********************************************************************* */
-static int
-_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length)
-{
- int i;
- if (offset > NVRAM_SIZE)
- return -1;
-
- for ( i = 0; i < length; i++) {
- buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i];
- }
- return length;
-}
-
-
-static char*
-_strnchr(const char *dest,int c,size_t cnt)
-{
- while (*dest && (cnt > 0)) {
- if (*dest == c) return (char *) dest;
- dest++;
- cnt--;
- }
- return NULL;
-}
-
-
-
-/*
- * Core support API: Externally visible.
- */
-
-/*
- * Get the value of an NVRAM variable
- * @param name name of variable to get
- * @return value of variable or NULL if undefined
- */
-
-char*
-cfe_env_get(unsigned char *nv_buf, char* name)
-{
- int size;
- unsigned char *buffer;
- unsigned char *ptr;
- unsigned char *envval;
- unsigned int reclen;
- unsigned int rectype;
- int offset;
- int flg;
-
- if (!strcmp(name, "nvram_type"))
- return "cfe";
-
- size = NVRAM_SIZE;
- buffer = &_nvdata[0];
-
- ptr = buffer;
- offset = 0;
-
- /* Read the record type and length */
- if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
- goto error;
- }
-
- while ((*ptr != ENV_TLV_TYPE_END) && (size > 1)) {
-
- /* Adjust pointer for TLV type */
- rectype = *(ptr);
- offset++;
- size--;
-
- /*
- * Read the length. It can be either 1 or 2 bytes
- * depending on the code
- */
- if (rectype & ENV_LENGTH_8BITS) {
- /* Read the record type and length - 8 bits */
- if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
- goto error;
- }
- reclen = *(ptr);
- size--;
- offset++;
- }
- else {
- /* Read the record type and length - 16 bits, MSB first */
- if (_nvram_read(nv_buf, ptr,offset,2) != 2) {
- goto error;
- }
- reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1);
- size -= 2;
- offset += 2;
- }
-
- if (reclen > size)
- break; /* should not happen, bad NVRAM */
-
- switch (rectype) {
- case ENV_TLV_TYPE_ENV:
- /* Read the TLV data */
- if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen)
- goto error;
- flg = *ptr++;
- envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1));
- if (envval) {
- *envval++ = '\0';
- memcpy(_valuestr,envval,(reclen-1)-(envval-ptr));
- _valuestr[(reclen-1)-(envval-ptr)] = '\0';
-#if 0
- printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr);
-#endif
- if(!strcmp(ptr, name)){
- return _valuestr;
- }
- if((strlen(ptr) > 1) && !strcmp(&ptr[1], name))
- return _valuestr;
- }
- break;
-
- default:
- /* Unknown TLV type, skip it. */
- break;
- }
-
- /*
- * Advance to next TLV
- */
-
- size -= (int)reclen;
- offset += reclen;
-
- /* Read the next record type */
- ptr = buffer;
- if (_nvram_read(nv_buf, ptr,offset,1) != 1)
- goto error;
- }
-
-error:
- return NULL;
-
-}
-
+++ /dev/null
-/*
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef __NVRAM_H
-#define __NVRAM_H
-
-struct nvram_header {
- u32 magic;
- u32 len;
- u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
- u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
- u32 config_ncdl; /* ncdl values for memc */
-};
-
-struct nvram_tuple {
- char *name;
- char *value;
- struct nvram_tuple *next;
-};
-
-#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
-#define NVRAM_VERSION 1
-#define NVRAM_HEADER_SIZE 20
-#define NVRAM_SPACE 0x8000
-
-#define NVRAM_MAX_VALUE_LEN 255
-#define NVRAM_MAX_PARAM_LEN 64
-
-char *nvram_get(const char *name);
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
- * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/module.h>
-#include <linux/smp.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/ssb/ssb.h>
-
-#include <asm/cpu.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/irq_cpu.h>
-
-
-extern struct ssb_bus ssb;
-
-
-void plat_irq_dispatch(void)
-{
- u32 cause;
-
- cause = read_c0_cause() & read_c0_status() & CAUSEF_IP;
-
- clear_c0_status(cause);
-
- if (cause & CAUSEF_IP7)
- do_IRQ(7);
- if (cause & CAUSEF_IP2)
- do_IRQ(2);
- if (cause & CAUSEF_IP3)
- do_IRQ(3);
- if (cause & CAUSEF_IP4)
- do_IRQ(4);
- if (cause & CAUSEF_IP5)
- do_IRQ(5);
- if (cause & CAUSEF_IP6)
- do_IRQ(6);
-}
-
-void __init arch_init_irq(void)
-{
- mips_cpu_irq_init();
-}
-
-int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- int res;
-
- res = ssb_pcibios_map_irq(dev, slot, pin);
- if (res < 0) {
- printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
- dev->dev.bus_id);
- return 0;
- }
- /* IRQ-0 and IRQ-1 are software interrupts. */
- WARN_ON((res == 0) || (res == 1));
-
- return res;
-}
+++ /dev/null
-/*
- * BCM947xx nvram variable access
- *
- * Copyright 2005, Broadcom Corporation
- * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/ssb/ssb.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/slab.h>
-#include <asm/byteorder.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-#include <nvram.h>
-
-#define MB * 1048576
-extern struct ssb_bus ssb;
-
-static char nvram_buf[NVRAM_SPACE];
-static int cfe_env;
-extern char *cfe_env_get(char *nv_buf, const char *name);
-
-/* Probe for NVRAM header */
-static void __init early_nvram_init(void)
-{
- struct ssb_mipscore *mcore = &ssb.mipscore;
- struct nvram_header *header;
- int i;
- u32 base, lim, off;
- u32 *src, *dst;
-
- base = mcore->flash_window;
- lim = mcore->flash_window_size;
- cfe_env = 0;
-
-
- /* XXX: hack for supporting the CFE environment stuff on WGT634U */
- if (lim >= 8 MB) {
- src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000);
- dst = (u32 *) nvram_buf;
-
- if ((*src & 0xff00ff) == 0x000001) {
- printk("early_nvram_init: WGT634U NVRAM found.\n");
-
- for (i = 0; i < 0x1ff0; i++) {
- if (*src == 0xFFFFFFFF)
- break;
- *dst++ = *src++;
- }
- cfe_env = 1;
- return;
- }
- }
-
- off = 0x20000;
- while (off <= lim) {
- /* Windowed flash access */
- header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE);
- if (header->magic == NVRAM_HEADER)
- goto found;
- off <<= 1;
- }
-
- /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
- header = (struct nvram_header *) KSEG1ADDR(base + 4096);
- if (header->magic == NVRAM_HEADER)
- goto found;
-
- header = (struct nvram_header *) KSEG1ADDR(base + 1024);
- if (header->magic == NVRAM_HEADER)
- goto found;
-
- return;
-
-found:
- src = (u32 *) header;
- dst = (u32 *) nvram_buf;
- for (i = 0; i < sizeof(struct nvram_header); i += 4)
- *dst++ = *src++;
- for (; i < header->len && i < NVRAM_SPACE; i += 4)
- *dst++ = le32_to_cpu(*src++);
-}
-
-char *nvram_get(const char *name)
-{
- char *var, *value, *end, *eq;
-
- if (!name)
- return NULL;
-
- if (!nvram_buf[0])
- early_nvram_init();
-
- if (cfe_env)
- return cfe_env_get(nvram_buf, name);
-
- /* Look for name=value and return value */
- var = &nvram_buf[sizeof(struct nvram_header)];
- end = nvram_buf + sizeof(nvram_buf) - 2;
- end[0] = end[1] = '\0';
- for (; *var; var = value + strlen(value) + 1) {
- if (!(eq = strchr(var, '=')))
- break;
- value = eq + 1;
- if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
- return value;
- }
-
- return NULL;
-}
-
-EXPORT_SYMBOL(nvram_get);
+++ /dev/null
-/*
- * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/pmon.h>
-#include "../cfe/cfe_private.h"
-
-const char *get_system_type(void)
-{
- return "Broadcom BCM47xx";
-}
-
-void __init prom_init(void)
-{
- unsigned long mem;
-
- mips_machgroup = MACH_GROUP_BRCM;
- mips_machtype = MACH_BCM47XX;
-
- cfe_setup(fw_arg0, fw_arg1, fw_arg2, fw_arg3);
-
- /* Figure out memory size by finding aliases */
- for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) {
- if (*(unsigned long *)((unsigned long)(prom_init) + mem) ==
- *(unsigned long *)(prom_init))
- break;
- }
-
- add_memory_region(0, mem, BOOT_MEM_RAM);
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
+++ /dev/null
-/*
- * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
- * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2006-2008 Michael Buesch <mb@bu3sch.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <linux/serial_reg.h>
-#include <linux/serial_8250.h>
-#include <asm/bootinfo.h>
-#include <asm/time.h>
-#include <asm/reboot.h>
-#include <asm/cfe.h>
-#include <linux/pm.h>
-#include <linux/ssb/ssb.h>
-#include <linux/ssb/ssb_embedded.h>
-
-#include <nvram.h>
-
-extern void bcm47xx_pci_init(void);
-extern void bcm47xx_time_init(void);
-
-struct ssb_bus ssb;
-
-
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- int err;
-
- err = ssb_pcibios_plat_dev_init(dev);
- if (err) {
- printk(KERN_ALERT "PCI: Failed to init device %s\n",
- pci_name(dev));
- }
-
- return err;
-}
-
-static void bcm47xx_machine_restart(char *command)
-{
- printk(KERN_ALERT "Please stand by while rebooting the system...\n");
- local_irq_disable();
- /* CFE has a reboot callback, but that does not work.
- * Oopses with: Reserved instruction in kernel code.
- */
-
- /* Set the watchdog timer to reset immediately */
- if (ssb_watchdog_timer_set(&ssb, 1))
- printk(KERN_EMERG "SSB watchdog-triggered reboot failed!\n");
- while (1)
- cpu_relax();
-}
-
-static void bcm47xx_machine_halt(void)
-{
- /* Disable interrupts and watchdog and spin forever */
- local_irq_disable();
- if (ssb_watchdog_timer_set(&ssb, 0))
- printk(KERN_EMERG "Failed to disable SSB watchdog!\n");
- while (1)
- cpu_relax();
-}
-
-static void e_aton(char *str, char *dest)
-{
- int i = 0;
-
- if (str == NULL) {
- memset(dest, 0, 6);
- return;
- }
-
- for (;;) {
- dest[i++] = (char) simple_strtoul(str, NULL, 16);
- str += 2;
- if (!*str++ || i == 6)
- break;
- }
-}
-
-static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
-{
- char *s;
-
- memset(sprom, 0xFF, sizeof(struct ssb_sprom));
-
- sprom->revision = 1;
- if ((s = nvram_get("il0macaddr")))
- e_aton(s, sprom->il0mac);
- if ((s = nvram_get("et0macaddr")))
- e_aton(s, sprom->et0mac);
- if ((s = nvram_get("et1macaddr")))
- e_aton(s, sprom->et1mac);
- if ((s = nvram_get("et0phyaddr")))
- sprom->et0phyaddr = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("et1phyaddr")))
- sprom->et1phyaddr = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("et0mdcport")))
- sprom->et0mdcport = !!simple_strtoul(s, NULL, 10);
- if ((s = nvram_get("et1mdcport")))
- sprom->et1mdcport = !!simple_strtoul(s, NULL, 10);
- if ((s = nvram_get("pa0b0")))
- sprom->pa0b0 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa0b1")))
- sprom->pa0b1 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa0b2")))
- sprom->pa0b2 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa1b0")))
- sprom->pa1b0 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa1b1")))
- sprom->pa1b1 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa1b2")))
- sprom->pa1b2 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("wl0gpio0")))
- sprom->gpio0 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("wl0gpio1")))
- sprom->gpio1 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("wl0gpio2")))
- sprom->gpio2 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("wl0gpio3")))
- sprom->gpio3 = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa0maxpwr")))
- sprom->maxpwr_bg = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa1maxpwr")))
- sprom->maxpwr_a = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa0itssit")))
- sprom->itssi_bg = simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("pa1itssit")))
- sprom->itssi_a = simple_strtoul(s, NULL, 0);
- sprom->boardflags_lo = 0;
- if ((s = nvram_get("boardflags")))
- sprom->boardflags_lo = simple_strtoul(s, NULL, 0);
- sprom->boardflags_hi = 0;
- if ((s = nvram_get("boardflags2")))
- sprom->boardflags_hi = simple_strtoul(s, NULL, 0);
-}
-
-static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
-{
- char *s;
-
- iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
- if ((s = nvram_get("boardtype")))
- iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
- if ((s = nvram_get("boardrev")))
- iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
-
- bcm47xx_fill_sprom(&iv->sprom);
-
- if ((s = nvram_get("cardbus")))
- iv->has_cardbus_slot = !!simple_strtoul(s, NULL, 10);
-
- return 0;
-}
-
-void __init plat_mem_setup(void)
-{
- int i, err;
- char *s;
- struct ssb_mipscore *mcore;
-
- err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_get_invariants);
- if (err) {
- const char *msg = "Failed to initialize SSB bus (err %d)\n";
- cfe_printk(msg, err); /* Make sure the message gets out of the box. */
- panic(msg, err);
- }
- mcore = &ssb.mipscore;
-
- s = nvram_get("kernel_args");
- if (s && !strncmp(s, "console=ttyS1", 13)) {
- struct ssb_serial_port port;
-
- cfe_printk("Swapping serial ports!\n");
- /* swap serial ports */
- memcpy(&port, &mcore->serial_ports[0], sizeof(port));
- memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
- memcpy(&mcore->serial_ports[1], &port, sizeof(port));
- }
-
- for (i = 0; i < mcore->nr_serial_ports; i++) {
- struct ssb_serial_port *port = &(mcore->serial_ports[i]);
- struct uart_port s;
-
- memset(&s, 0, sizeof(s));
- s.line = i;
- s.membase = port->regs;
- s.irq = port->irq + 2;
- s.uartclk = port->baud_base;
- s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
- s.iotype = SERIAL_IO_MEM;
- s.regshift = port->reg_shift;
-
- early_serial_setup(&s);
- }
- cfe_printk("Serial init done.\n");
-
- _machine_restart = bcm47xx_machine_restart;
- _machine_halt = bcm47xx_machine_halt;
- pm_power_off = bcm47xx_machine_halt;
- board_time_init = bcm47xx_time_init;
-}
-
-static int __init bcm47xx_register_gpiodev(void)
-{
- static struct resource res = {
- .start = 0xFFFFFFFF,
- };
- struct platform_device *pdev;
-
- pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
- if (!pdev) {
- printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
- return -ENODEV;
- }
-
- return 0;
-}
-device_initcall(bcm47xx_register_gpiodev);
-
-EXPORT_SYMBOL(ssb);
+++ /dev/null
-/*
- * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/serial_reg.h>
-#include <linux/interrupt.h>
-#include <linux/ssb/ssb.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-#include <asm/time.h>
-
-extern struct ssb_bus ssb;
-
-void __init
-bcm47xx_time_init(void)
-{
- unsigned long hz;
-
- /*
- * Use deterministic values for initial counter interrupt
- * so that calibrate delay avoids encountering a counter wrap.
- */
- write_c0_count(0);
- write_c0_compare(0xffff);
-
- hz = ssb_cpu_clock(&ssb.mipscore) / 2;
- if (!hz)
- hz = 100000000;
-
- /* Set MIPS counter frequency for fixed_rate_gettimeoffset() */
- mips_hpt_frequency = hz;
-}
-
-void __init
-plat_timer_setup(struct irqaction *irq)
-{
- /* Enable the timer interrupt */
- setup_irq(7, irq);
-}
+++ /dev/null
-#
-# Makefile for the Broadcom Common Firmware Environment support
-#
-
-obj-y += cfe.o
+++ /dev/null
-/*
- * Broadcom Common Firmware Environment (CFE) support
- *
- * Copyright 2000, 2001, 2002
- * Broadcom Corporation. All rights reserved.
- *
- * Copyright (C) 2006 Michael Buesch
- *
- * Original Authors: Mitch Lichtenberg, Chris Demetriou
- *
- * This software is furnished under license and may be used and copied only
- * in accordance with the following terms and conditions. Subject to these
- * conditions, you may download, copy, install, use, modify and distribute
- * modified or unmodified copies of this software in source and/or binary
- * form. No title or ownership is transferred hereby.
- *
- * 1) Any source code used, modified or distributed must reproduce and
- * retain this copyright notice and list of conditions as they appear in
- * the source file.
- *
- * 2) No right is granted to use any trade name, trademark, or logo of
- * Broadcom Corporation. The "Broadcom Corporation" name may not be
- * used to endorse or promote products derived from this software
- * without the prior written permission of Broadcom Corporation.
- *
- * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
- * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
- * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/spinlock.h>
-#include <asm/cfe.h>
-
-#include "cfe_private.h"
-
-
-static cfe_uint_t cfe_handle;
-static int (*cfe_trampoline)(long handle, long iocb);
-
-
-#include <linux/kernel.h>
-
-void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
- unsigned long fwarg2, unsigned long fwarg3)
-{
- if (fwarg3 == 0x80300000) {
- /* WRT54G workaround */
- fwarg3 = CFE_EPTSEAL;
- fwarg2 = 0xBFC00500;
- }
- if (fwarg3 != CFE_EPTSEAL) {
- /* We are not booted from CFE */
- return;
- }
- if (fwarg1 == 0) {
- /* We are on the boot CPU */
- cfe_handle = (cfe_uint_t)fwarg0;
- cfe_trampoline = CFE_TO_PTR(fwarg2);
- }
-}
-
-int cfe_vprintk(const char *fmt, va_list args)
-{
- static char buffer[1024];
- static DEFINE_SPINLOCK(lock);
- static const char pfx[] = "CFE-console: ";
- static const size_t pfx_len = sizeof(pfx) - 1;
- unsigned long flags;
- int len, cnt, pos;
- int handle;
- int res;
-
- if (!cfe_present())
- return -ENODEV;
-
- spin_lock_irqsave(&lock, flags);
- handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
- if (CFE_ISERR(handle)) {
- len = -EIO;
- goto out;
- }
- strcpy(buffer, pfx);
- len = vscnprintf(buffer + pfx_len,
- sizeof(buffer) - pfx_len - 2,
- fmt, args);
- len += pfx_len;
- /* The CFE console requires CR-LF line-ends.
- * Add a CR, if we only terminate lines with a LF.
- * This does only fix CR-LF at the end of the string.
- * So for multiple lines, use multiple cfe_vprintk calls.
- */
- if (len > 1 &&
- buffer[len - 1] == '\n' && buffer[len - 2] != '\r') {
- buffer[len - 1] = '\r';
- buffer[len] = '\n';
- len += 1;
- }
- cnt = len;
- pos = 0;
- while (cnt > 0) {
- res = cfe_write(handle, buffer + pos, len - pos);
- if (CFE_ISERR(res)) {
- len = -EIO;
- goto out;
- }
- cnt -= res;
- pos += res;
- }
-out:
- spin_unlock_irqrestore(&lock, flags);
-
- return len;
-}
-
-int cfe_printk(const char *fmt, ...)
-{
- va_list args;
- int res;
-
- va_start(args, fmt);
- res = cfe_vprintk(fmt, args);
- va_end(args);
-
- return res;
-}
-
-static int cfe_iocb_dispatch(struct cfe_iocb *iocb)
-{
- if (!cfe_present())
- return CFE_ERR_UNSUPPORTED;
- return cfe_trampoline((long)cfe_handle, (long)iocb);
-}
-
-int cfe_present(void)
-{
- return (cfe_trampoline != NULL);
-}
-
-int cfe_close(int handle)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_CLOSE;
- iocb.handle = handle;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_FW_CPUCTL;
- iocb.psize = sizeof(struct cfe_iocb_cpuctl);
- iocb.cpuctl.number = cpu;
- iocb.cpuctl.command = CFE_CPU_CMD_START;
- iocb.cpuctl.gp = gp;
- iocb.cpuctl.sp = sp;
- iocb.cpuctl.a1 = a1;
- iocb.cpuctl.start_addr = (long)fn;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_cpu_stop(int cpu)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_FW_CPUCTL;
- iocb.psize = sizeof(struct cfe_iocb_cpuctl);
- iocb.cpuctl.number = cpu;
- iocb.cpuctl.command = CFE_CPU_CMD_STOP;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_ENV_ENUM;
- iocb.psize = sizeof(struct cfe_iocb_envbuf);
- iocb.envbuf.index = idx;
- iocb.envbuf.name = PTR_TO_CFE(name);
- iocb.envbuf.name_len = namelen;
- iocb.envbuf.val = PTR_TO_CFE(val);
- iocb.envbuf.val_len = vallen;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_enumdev(int idx, char *name, int namelen)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
-
- iocb.fcode = CFE_CMD_DEV_ENUM;
- iocb.psize = sizeof(struct cfe_iocb_envbuf);
- iocb.envbuf.index = idx;
- iocb.envbuf.name = PTR_TO_CFE(name);
- iocb.envbuf.name_len = namelen;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
- u64 *type)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
-
- iocb.fcode = CFE_CMD_FW_MEMENUM;
- iocb.flags = flags;
- iocb.psize = sizeof(struct cfe_iocb_meminfo);
- iocb.meminfo.index = idx;
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (!CFE_ISERR(iocb.status)) {
- *start = iocb.meminfo.addr;
- *length = iocb.meminfo.size;
- *type = iocb.meminfo.type;
- }
-
- return iocb.status;
-}
-
-int cfe_exit(int warm, int status)
-{
- struct cfe_iocb iocb;
- int err;
-
-printk("CFE REBOOT\n");
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_FW_RESTART;
- if (warm)
- iocb.flags = CFE_FLG_WARMSTART;
- iocb.psize = sizeof(struct cfe_iocb_exitstat);
- iocb.exitstat.status = status;
-
-printk("CALL\n");
- err = cfe_iocb_dispatch(&iocb);
-printk("DONE\n");
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_flushcache(int flags)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_FW_FLUSHCACHE;
- iocb.flags = flags;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_getdevinfo(char *name)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_GETINFO;
- iocb.psize = sizeof(struct cfe_iocb_buf);
- iocb.buffer.ptr = PTR_TO_CFE(name);
- iocb.buffer.length = strlen(name);
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
-
- return iocb.buffer.devflags;
-}
-
-int cfe_getenv(char *name, char *dest, int destlen)
-{
- struct cfe_iocb iocb;
- int err;
-
- dest[0] = '\0';
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_ENV_GET;
- iocb.psize = sizeof(struct cfe_iocb_envbuf);
- iocb.envbuf.name = PTR_TO_CFE(name);
- iocb.envbuf.name_len = strlen(name);
- iocb.envbuf.val = PTR_TO_CFE(dest);
- iocb.envbuf.val_len = destlen;
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_getfwinfo(struct cfe_fwinfo *info)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_FW_GETINFO;
- iocb.psize = sizeof(struct cfe_iocb_fwinfo);
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return err;
-
- info->version = iocb.fwinfo.version;
- info->totalmem = iocb.fwinfo.totalmem;
- info->flags = iocb.fwinfo.flags;
- info->boardid = iocb.fwinfo.boardid;
- info->bootarea_va = iocb.fwinfo.bootarea_va;
- info->bootarea_pa = iocb.fwinfo.bootarea_pa;
- info->bootarea_size = iocb.fwinfo.bootarea_size;
-
- return iocb.status;
-}
-
-int cfe_getstdhandle(int handletype)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_GETHANDLE;
- iocb.flags = handletype;
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
-
- return iocb.handle;
-}
-
-int cfe_getticks(s64 *ticks)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_FW_GETTIME;
- iocb.psize = sizeof(struct cfe_iocb_time);
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (!CFE_ISERR(iocb.status))
- *ticks = iocb.time.ticks;
-
- return iocb.status;
-}
-
-int cfe_inpstat(int handle)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_INPSTAT;
- iocb.handle = handle;
- iocb.psize = sizeof(struct cfe_iocb_inpstat);
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
-
- return iocb.inpstat.status;
-}
-
-int cfe_ioctl(int handle, unsigned int ioctlnum,
- unsigned char *buffer, int length,
- int *retlen, u64 offset)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_IOCTL;
- iocb.handle = handle;
- iocb.psize = sizeof(struct cfe_iocb_buf);
- iocb.buffer.offset = offset;
- iocb.buffer.ioctlcmd = ioctlnum;
- iocb.buffer.ptr = PTR_TO_CFE(buffer);
- iocb.buffer.length = length;
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
- if (retlen)
- *retlen = iocb.buffer.retlen;
-
- return iocb.status;
-}
-
-int cfe_open(char *name)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_OPEN;
- iocb.psize = sizeof(struct cfe_iocb_buf);
- iocb.buffer.ptr = PTR_TO_CFE(name);
- iocb.buffer.length = strlen(name);
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
-
- return iocb.handle;
-}
-
-int cfe_read(int handle, unsigned char *buffer, int length)
-{
- return cfe_readblk(handle, 0, buffer, length);
-}
-
-int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_READ;
- iocb.handle = handle;
- iocb.psize = sizeof(struct cfe_iocb_buf);
- iocb.buffer.offset = offset;
- iocb.buffer.ptr = PTR_TO_CFE(buffer);
- iocb.buffer.length = length;
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
-
- return iocb.buffer.retlen;
-}
-
-int cfe_setenv(char *name, char *val)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_ENV_SET;
- iocb.psize = sizeof(struct cfe_iocb_envbuf);
- iocb.envbuf.name = PTR_TO_CFE(name);
- iocb.envbuf.name_len = strlen(name);
- iocb.envbuf.val = PTR_TO_CFE(val);
- iocb.envbuf.val_len = strlen(val);
-
- err = cfe_iocb_dispatch(&iocb);
-
- return (CFE_ISERR(err)) ? err : iocb.status;
-}
-
-int cfe_write(int handle, unsigned char *buffer, int length)
-{
- return cfe_writeblk(handle, 0, buffer, length);
-}
-
-int cfe_writeblk(int handle, s64 offset, unsigned char *buffer, int length)
-{
- struct cfe_iocb iocb;
- int err;
-
- memset(&iocb, 0, sizeof(iocb));
- iocb.fcode = CFE_CMD_DEV_WRITE;
- iocb.handle = handle;
- iocb.psize = sizeof(struct cfe_iocb_buf);
- iocb.buffer.offset = offset;
- iocb.buffer.ptr = PTR_TO_CFE(buffer);
- iocb.buffer.length = length;
-
- err = cfe_iocb_dispatch(&iocb);
- if (CFE_ISERR(err))
- return err;
- if (CFE_ISERR(iocb.status))
- return iocb.status;
-
- return iocb.buffer.retlen;
-}
+++ /dev/null
-/*
- * Broadcom Common Firmware Environment (CFE) support
- *
- * Copyright 2000, 2001, 2002
- * Broadcom Corporation. All rights reserved.
- *
- * Copyright (C) 2006 Michael Buesch
- *
- * Original Authors: Mitch Lichtenberg, Chris Demetriou
- *
- * This software is furnished under license and may be used and copied only
- * in accordance with the following terms and conditions. Subject to these
- * conditions, you may download, copy, install, use, modify and distribute
- * modified or unmodified copies of this software in source and/or binary
- * form. No title or ownership is transferred hereby.
- *
- * 1) Any source code used, modified or distributed must reproduce and
- * retain this copyright notice and list of conditions as they appear in
- * the source file.
- *
- * 2) No right is granted to use any trade name, trademark, or logo of
- * Broadcom Corporation. The "Broadcom Corporation" name may not be
- * used to endorse or promote products derived from this software
- * without the prior written permission of Broadcom Corporation.
- *
- * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
- * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
- * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef LINUX_CFE_PRIVATE_H_
-#define LINUX_CFE_PRIVATE_H_
-
-#ifndef __ASSEMBLY__
-
-/* Seal indicating CFE's presence, passed to the kernel. */
-#define CFE_EPTSEAL 0x43464531
-
-#define CFE_CMD_FW_GETINFO 0
-#define CFE_CMD_FW_RESTART 1
-#define CFE_CMD_FW_BOOT 2
-#define CFE_CMD_FW_CPUCTL 3
-#define CFE_CMD_FW_GETTIME 4
-#define CFE_CMD_FW_MEMENUM 5
-#define CFE_CMD_FW_FLUSHCACHE 6
-
-#define CFE_CMD_DEV_GETHANDLE 9
-#define CFE_CMD_DEV_ENUM 10
-#define CFE_CMD_DEV_OPEN 11
-#define CFE_CMD_DEV_INPSTAT 12
-#define CFE_CMD_DEV_READ 13
-#define CFE_CMD_DEV_WRITE 14
-#define CFE_CMD_DEV_IOCTL 15
-#define CFE_CMD_DEV_CLOSE 16
-#define CFE_CMD_DEV_GETINFO 17
-
-#define CFE_CMD_ENV_ENUM 20
-#define CFE_CMD_ENV_GET 22
-#define CFE_CMD_ENV_SET 23
-#define CFE_CMD_ENV_DEL 24
-
-#define CFE_CMD_MAX 32
-
-#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */
-
-typedef u64 cfe_uint_t;
-typedef s64 cfe_int_t;
-typedef s64 cfe_ptr_t;
-
-/* Cast a pointer from native to CFE-API pointer and back */
-#define CFE_TO_PTR(p) ((void *)(unsigned long)(p))
-#define PTR_TO_CFE(p) ((cfe_ptr_t)(unsigned long)(p))
-
-struct cfe_iocb_buf {
- cfe_uint_t offset; /* offset on device (bytes) */
- cfe_ptr_t ptr; /* pointer to a buffer */
- cfe_uint_t length; /* length of this buffer */
- cfe_uint_t retlen; /* returned length (for read ops) */
- union {
- cfe_uint_t ioctlcmd; /* IOCTL command (used only for IOCTLs) */
- cfe_uint_t devflags; /* Returned device info flags */
- };
-};
-
-struct cfe_iocb_inpstat {
- cfe_uint_t status; /* 1 means input available */
-};
-
-struct cfe_iocb_envbuf {
- cfe_int_t index; /* 0-based enumeration index */
- cfe_ptr_t name; /* name string buffer */
- cfe_int_t name_len; /* size of name buffer */
- cfe_ptr_t val; /* value string buffer */
- cfe_int_t val_len; /* size of value string buffer */
-};
-
-struct cfe_iocb_cpuctl {
- cfe_uint_t number; /* cpu number to control */
- cfe_uint_t command; /* command to issue to CPU */
- cfe_uint_t start_addr; /* CPU start address */
- cfe_uint_t gp; /* starting GP value */
- cfe_uint_t sp; /* starting SP value */
- cfe_uint_t a1; /* starting A1 value */
-};
-
-struct cfe_iocb_time {
- cfe_int_t ticks; /* current time in ticks */
-};
-
-struct cfe_iocb_exitstat {
- cfe_int_t status;
-};
-
-struct cfe_iocb_meminfo {
- cfe_int_t index; /* 0-based enumeration index */
- cfe_int_t type; /* type of memory block */
- cfe_uint_t addr; /* physical start address */
- cfe_uint_t size; /* block size */
-};
-
-struct cfe_iocb_fwinfo {
- cfe_int_t version; /* major, minor, eco version */
- cfe_int_t totalmem; /* total installed mem */
- cfe_int_t flags; /* various flags */
- cfe_int_t boardid; /* board ID */
- cfe_int_t bootarea_va; /* VA of boot area */
- cfe_int_t bootarea_pa; /* PA of boot area */
- cfe_int_t bootarea_size; /* size of boot area */
- cfe_int_t reserved1;
- cfe_int_t reserved2;
- cfe_int_t reserved3;
-};
-
-/* CFE I/O Control Block */
-struct cfe_iocb {
- cfe_uint_t fcode; /* IOCB function code */
- cfe_int_t status; /* return status */
- cfe_int_t handle; /* file/device handle */
- cfe_uint_t flags; /* flags for this IOCB */
- cfe_uint_t psize; /* size of parameter list */
- union {
- struct cfe_iocb_buf buffer; /* buffer parameters */
- struct cfe_iocb_inpstat inpstat; /* input status parameters */
- struct cfe_iocb_envbuf envbuf; /* environment function parameters */
- struct cfe_iocb_cpuctl cpuctl; /* CPU control parameters */
- struct cfe_iocb_time time; /* timer parameters */
- struct cfe_iocb_meminfo meminfo; /* memory arena info parameters */
- struct cfe_iocb_fwinfo fwinfo; /* firmware information */
- struct cfe_iocb_exitstat exitstat; /* Exit Status */
- };
-};
-
-
-#include <linux/init.h>
-
-void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
- unsigned long fwarg2, unsigned long fwarg3);
-
-#else /* __ASSEMBLY__ */
-
- .macro cfe_early_init
-#ifdef CONFIG_CFE
- jal cfe_setup
-#endif
- .endm
-
-#endif /* __ASSEMBLY__ */
-#endif /* LINUX_CFE_PRIVATE_H_ */
+++ /dev/null
-/*
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
- * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
- *
- * original functions for finding root filesystem from Mike Baker
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Copyright 2001-2003, Broadcom Corporation
- * All Rights Reserved.
- *
- * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
- * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
- * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
- *
- * Flash mapping for BCM947XX boards
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#ifdef CONFIG_MTD_PARTITIONS
-#include <linux/mtd/partitions.h>
-#endif
-#include <linux/crc32.h>
-#ifdef CONFIG_SSB
-#include <linux/ssb/ssb.h>
-#endif
-#include <asm/io.h>
-
-
-#define TRX_MAGIC 0x30524448 /* "HDR0" */
-#define TRX_VERSION 1
-#define TRX_MAX_LEN 0x3A0000
-#define TRX_NO_HEADER 1 /* Do not write TRX header */
-#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
-#define TRX_MAX_OFFSET 3
-
-struct trx_header {
- u32 magic; /* "HDR0" */
- u32 len; /* Length of file including header */
- u32 crc32; /* 32-bit CRC from flag_version to end of file */
- u32 flag_version; /* 0:15 flags, 16:31 version */
- u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
-};
-
-#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
-#define NVRAM_SPACE 0x8000
-#define WINDOW_ADDR 0x1fc00000
-#define WINDOW_SIZE 0x400000
-#define BUSWIDTH 2
-
-#ifdef CONFIG_SSB
-extern struct ssb_bus ssb;
-#endif
-static struct mtd_info *bcm947xx_mtd;
-
-static void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
- if (len==1) {
- memcpy_fromio(to, map->virt + from, len);
- } else {
- int i;
- u16 *dest = (u16 *) to;
- u16 *src = (u16 *) (map->virt + from);
- for (i = 0; i < (len / 2); i++) {
- dest[i] = src[i];
- }
- if (len & 1)
- *((u8 *)dest+len-1) = src[i] & 0xff;
- }
-}
-
-static struct map_info bcm947xx_map = {
- name: "Physically mapped flash",
- size: WINDOW_SIZE,
- bankwidth: BUSWIDTH,
- phys: WINDOW_ADDR,
-};
-
-#ifdef CONFIG_MTD_PARTITIONS
-
-static struct mtd_partition bcm947xx_parts[] = {
- { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
- { name: "linux", offset: 0, size: 0, },
- { name: "rootfs", offset: 0, size: 0, },
- { name: "nvram", offset: 0, size: 0, },
- { name: NULL, },
-};
-
-static int __init
-find_cfe_size(struct mtd_info *mtd, size_t size)
-{
- struct trx_header *trx;
- unsigned char buf[512];
- int off;
- size_t len;
- int blocksize;
-
- trx = (struct trx_header *) buf;
-
- blocksize = mtd->erasesize;
- if (blocksize < 0x10000)
- blocksize = 0x10000;
-
- for (off = (128*1024); off < size; off += blocksize) {
- memset(buf, 0xe5, sizeof(buf));
-
- /*
- * Read into buffer
- */
- if (mtd->read(mtd, off, sizeof(buf), &len, buf) ||
- len != sizeof(buf))
- continue;
-
- /* found a TRX header */
- if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
- goto found;
- }
- }
-
- printk(KERN_NOTICE
- "%s: Couldn't find bootloader size\n",
- mtd->name);
- return -1;
-
- found:
- printk(KERN_NOTICE "bootloader size: %d\n", off);
- return off;
-
-}
-
-/*
- * Copied from mtdblock.c
- *
- * Cache stuff...
- *
- * Since typical flash erasable sectors are much larger than what Linux's
- * buffer cache can handle, we must implement read-modify-write on flash
- * sectors for each block write requests. To avoid over-erasing flash sectors
- * and to speed things up, we locally cache a whole flash sector while it is
- * being written to until a different sector is required.
- */
-
-static void erase_callback(struct erase_info *done)
-{
- wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
- wake_up(wait_q);
-}
-
-static int erase_write (struct mtd_info *mtd, unsigned long pos,
- int len, const char *buf)
-{
- struct erase_info erase;
- DECLARE_WAITQUEUE(wait, current);
- wait_queue_head_t wait_q;
- size_t retlen;
- int ret;
-
- /*
- * First, let's erase the flash block.
- */
-
- init_waitqueue_head(&wait_q);
- erase.mtd = mtd;
- erase.callback = erase_callback;
- erase.addr = pos;
- erase.len = len;
- erase.priv = (u_long)&wait_q;
-
- set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue(&wait_q, &wait);
-
- ret = mtd->erase(mtd, &erase);
- if (ret) {
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&wait_q, &wait);
- printk (KERN_WARNING "erase of region [0x%lx, 0x%x] "
- "on \"%s\" failed\n",
- pos, len, mtd->name);
- return ret;
- }
-
- schedule(); /* Wait for erase to finish. */
- remove_wait_queue(&wait_q, &wait);
-
- /*
- * Next, writhe data to flash.
- */
-
- ret = mtd->write (mtd, pos, len, &retlen, buf);
- if (ret)
- return ret;
- if (retlen != len)
- return -EIO;
- return 0;
-}
-
-
-
-
-static int __init
-find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
-{
- struct trx_header trx, *trx2;
- unsigned char buf[512], *block;
- int off, blocksize;
- u32 i, crc = ~0;
- size_t len;
- struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
-
- blocksize = mtd->erasesize;
- if (blocksize < 0x10000)
- blocksize = 0x10000;
-
- for (off = (128*1024); off < size; off += blocksize) {
- memset(&trx, 0xe5, sizeof(trx));
-
- /*
- * Read into buffer
- */
- if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
- len != sizeof(trx))
- continue;
-
- /* found a TRX header */
- if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
- part->offset = le32_to_cpu(trx.offsets[2]) ? :
- le32_to_cpu(trx.offsets[1]);
- part->size = le32_to_cpu(trx.len);
-
- part->size -= part->offset;
- part->offset += off;
-
- goto found;
- }
- }
-
- printk(KERN_NOTICE
- "%s: Couldn't find root filesystem\n",
- mtd->name);
- return -1;
-
- found:
- if (part->size == 0)
- return 0;
-
- if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
- return 0;
-
- /* Move the fs outside of the trx */
- part->size = 0;
-
- if (trx.len != part->offset + part->size - off) {
- /* Update the trx offsets and length */
- trx.len = part->offset + part->size - off;
-
- /* Update the trx crc32 */
- for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) {
- if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf))
- return 0;
- crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
- }
- trx.crc32 = crc;
-
- /* read first eraseblock from the trx */
- block = kmalloc(mtd->erasesize, GFP_KERNEL);
- trx2 = (struct trx_header *) block;
- if (mtd->read(mtd, off, mtd->erasesize, &len, block) || len != mtd->erasesize) {
- printk("Error accessing the first trx eraseblock\n");
- return 0;
- }
-
- printk("Updating TRX offsets and length:\n");
- printk("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32);
- printk("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32);
-
- /* Write updated trx header to the flash */
- memcpy(block, &trx, sizeof(trx));
- if (mtd->unlock)
- mtd->unlock(mtd, off, mtd->erasesize);
- erase_write(mtd, off, mtd->erasesize, block);
- if (mtd->sync)
- mtd->sync(mtd);
- kfree(block);
- printk("Done\n");
- }
-
- return part->size;
-}
-
-struct mtd_partition * __init
-init_mtd_partitions(struct mtd_info *mtd, size_t size)
-{
- int cfe_size;
-
- if ((cfe_size = find_cfe_size(mtd,size)) < 0)
- return NULL;
-
- /* boot loader */
- bcm947xx_parts[0].offset = 0;
- bcm947xx_parts[0].size = cfe_size;
-
- /* nvram */
- if (cfe_size != 384 * 1024) {
- bcm947xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
- bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
- } else {
- /* nvram (old 128kb config partition on netgear wgt634u) */
- bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
- bcm947xx_parts[3].size = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
- }
-
- /* linux (kernel and rootfs) */
- if (cfe_size != 384 * 1024) {
- bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
- bcm947xx_parts[1].size = bcm947xx_parts[3].offset -
- bcm947xx_parts[1].offset;
- } else {
- /* do not count the elf loader, which is on one block */
- bcm947xx_parts[1].offset = bcm947xx_parts[0].size +
- bcm947xx_parts[3].size + mtd->erasesize;
- bcm947xx_parts[1].size = size -
- bcm947xx_parts[0].size -
- (2*bcm947xx_parts[3].size) -
- mtd->erasesize;
- }
-
- /* find and size rootfs */
- find_root(mtd,size,&bcm947xx_parts[2]);
- bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset - bcm947xx_parts[3].size;
-
- return bcm947xx_parts;
-}
-#endif
-
-int __init init_bcm947xx_map(void)
-{
-#ifdef CONFIG_SSB
- struct ssb_mipscore *mcore = &ssb.mipscore;
-#endif
- size_t size;
- int ret = 0;
-#ifdef CONFIG_MTD_PARTITIONS
- struct mtd_partition *parts;
- int i;
-#endif
-
-#ifdef CONFIG_SSB
- u32 window = mcore->flash_window;
- u32 window_size = mcore->flash_window_size;
-
- printk("flash init: 0x%08x 0x%08x\n", window, window_size);
- bcm947xx_map.phys = window;
- bcm947xx_map.size = window_size;
- bcm947xx_map.virt = ioremap_nocache(window, window_size);
-#else
- printk("flash init: 0x%08x 0x%08x\n", WINDOW_ADDR, WINDOW_SIZE);
- bcm947xx_map.virt = ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE);
-#endif
-
- if (!bcm947xx_map.virt) {
- printk("Failed to ioremap\n");
- return -EIO;
- }
-
- simple_map_init(&bcm947xx_map);
-
- if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
- printk("Failed to do_map_probe\n");
- iounmap((void *)bcm947xx_map.virt);
- return -ENXIO;
- }
-
- /* override copy_from routine */
- bcm947xx_map.copy_from = bcm947xx_map_copy_from;
-
- bcm947xx_mtd->owner = THIS_MODULE;
-
- size = bcm947xx_mtd->size;
-
- printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
-
-#ifdef CONFIG_MTD_PARTITIONS
- parts = init_mtd_partitions(bcm947xx_mtd, size);
- for (i = 0; parts[i].name; i++);
- ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
- if (ret) {
- printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
- goto fail;
- }
-#endif
- return 0;
-
- fail:
- if (bcm947xx_mtd)
- map_destroy(bcm947xx_mtd);
- if (bcm947xx_map.virt)
- iounmap((void *)bcm947xx_map.virt);
- bcm947xx_map.virt = 0;
- return ret;
-}
-
-void __exit cleanup_bcm947xx_map(void)
-{
-#ifdef CONFIG_MTD_PARTITIONS
- del_mtd_partitions(bcm947xx_mtd);
-#endif
- map_destroy(bcm947xx_mtd);
- iounmap((void *)bcm947xx_map.virt);
-}
-
-module_init(init_bcm947xx_map);
-module_exit(cleanup_bcm947xx_map);
+++ /dev/null
-/*
- * Broadcom Common Firmware Environment (CFE) support
- *
- * Copyright 2000, 2001, 2002
- * Broadcom Corporation. All rights reserved.
- *
- * Copyright (C) 2006 Michael Buesch
- *
- * Original Authors: Mitch Lichtenberg, Chris Demetriou
- *
- * This software is furnished under license and may be used and copied only
- * in accordance with the following terms and conditions. Subject to these
- * conditions, you may download, copy, install, use, modify and distribute
- * modified or unmodified copies of this software in source and/or binary
- * form. No title or ownership is transferred hereby.
- *
- * 1) Any source code used, modified or distributed must reproduce and
- * retain this copyright notice and list of conditions as they appear in
- * the source file.
- *
- * 2) No right is granted to use any trade name, trademark, or logo of
- * Broadcom Corporation. The "Broadcom Corporation" name may not be
- * used to endorse or promote products derived from this software
- * without the prior written permission of Broadcom Corporation.
- *
- * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
- * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
- * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef LINUX_CFE_API_H_
-#define LINUX_CFE_API_H_
-
-#include <linux/types.h>
-
-
-#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */
-#define CFE_MI_AVAILABLE 1 /* memory is available */
-
-#define CFE_FLG_WARMSTART 0x00000001
-#define CFE_FLG_FULL_ARENA 0x00000001
-#define CFE_FLG_ENV_PERMANENT 0x00000001
-
-#define CFE_CPU_CMD_START 1
-#define CFE_CPU_CMD_STOP 0
-
-#define CFE_STDHANDLE_CONSOLE 0
-
-#define CFE_DEV_NETWORK 1
-#define CFE_DEV_DISK 2
-#define CFE_DEV_FLASH 3
-#define CFE_DEV_SERIAL 4
-#define CFE_DEV_CPU 5
-#define CFE_DEV_NVRAM 6
-#define CFE_DEV_CLOCK 7
-#define CFE_DEV_OTHER 8
-#define CFE_DEV_MASK 0x0F
-
-#define CFE_CACHE_FLUSH_D 1
-#define CFE_CACHE_INVAL_I 2
-#define CFE_CACHE_INVAL_D 4
-#define CFE_CACHE_INVAL_L2 8
-
-#define CFE_FWI_64BIT 0x00000001
-#define CFE_FWI_32BIT 0x00000002
-#define CFE_FWI_RELOC 0x00000004
-#define CFE_FWI_UNCACHED 0x00000008
-#define CFE_FWI_MULTICPU 0x00000010
-#define CFE_FWI_FUNCSIM 0x00000020
-#define CFE_FWI_RTLSIM 0x00000040
-
-struct cfe_fwinfo {
- s64 version; /* major, minor, eco version */
- s64 totalmem; /* total installed mem */
- s64 flags; /* various flags */
- s64 boardid; /* board ID */
- s64 bootarea_va; /* VA of boot area */
- s64 bootarea_pa; /* PA of boot area */
- s64 bootarea_size; /* size of boot area */
-};
-
-
-/* The public CFE API */
-
-int cfe_present(void); /* Check if we booted from CFE. Returns bool */
-
-int cfe_getticks(s64 *ticks);
-int cfe_close(int handle);
-int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
-int cfe_cpu_stop(int cpu);
-int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
-int cfe_enumdev(int idx, char *name, int namelen);
-int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
- u64 *type);
-int cfe_exit(int warm, int status);
-int cfe_flushcache(int flags);
-int cfe_getdevinfo(char *name);
-int cfe_getenv(char *name, char *dest, int destlen);
-int cfe_getfwinfo(struct cfe_fwinfo *info);
-int cfe_getstdhandle(int handletype);
-int cfe_inpstat(int handle);
-int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
- int length, int *retlen, u64 offset);
-int cfe_open(char *name);
-int cfe_read(int handle, unsigned char *buffer, int length);
-int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length);
-int cfe_setenv(char *name, char *val);
-int cfe_write(int handle, unsigned char *buffer, int length);
-int cfe_writeblk(int handle, s64 offset, unsigned char *buffer,
- int length);
-
-
-/* High level API */
-
-/* Print some information to CFE's console (most likely serial line) */
-int cfe_printk(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
-int cfe_vprintk(const char *fmt, va_list args);
-
-
-
-/* Error codes returned by the low API functions */
-
-#define CFE_ISERR(errcode) (errcode < 0)
-
-#define CFE_OK 0
-#define CFE_ERR -1 /* generic error */
-#define CFE_ERR_INV_COMMAND -2
-#define CFE_ERR_EOF -3
-#define CFE_ERR_IOERR -4
-#define CFE_ERR_NOMEM -5
-#define CFE_ERR_DEVNOTFOUND -6
-#define CFE_ERR_DEVOPEN -7
-#define CFE_ERR_INV_PARAM -8
-#define CFE_ERR_ENVNOTFOUND -9
-#define CFE_ERR_ENVREADONLY -10
-
-#define CFE_ERR_NOTELF -11
-#define CFE_ERR_NOT32BIT -12
-#define CFE_ERR_WRONGENDIAN -13
-#define CFE_ERR_BADELFVERS -14
-#define CFE_ERR_NOTMIPS -15
-#define CFE_ERR_BADELFFMT -16
-#define CFE_ERR_BADADDR -17
-
-#define CFE_ERR_FILENOTFOUND -18
-#define CFE_ERR_UNSUPPORTED -19
-
-#define CFE_ERR_HOSTUNKNOWN -20
-
-#define CFE_ERR_TIMEOUT -21
-
-#define CFE_ERR_PROTOCOLERR -22
-
-#define CFE_ERR_NETDOWN -23
-#define CFE_ERR_NONAMESERVER -24
-
-#define CFE_ERR_NOHANDLES -25
-#define CFE_ERR_ALREADYBOUND -26
-
-#define CFE_ERR_CANNOTSET -27
-#define CFE_ERR_NOMORE -28
-#define CFE_ERR_BADFILESYS -29
-#define CFE_ERR_FSNOTAVAIL -30
-
-#define CFE_ERR_INVBOOTBLOCK -31
-#define CFE_ERR_WRONGDEVTYPE -32
-#define CFE_ERR_BBCHECKSUM -33
-#define CFE_ERR_BOOTPROGCHKSUM -34
-
-#define CFE_ERR_LDRNOTAVAIL -35
-
-#define CFE_ERR_NOTREADY -36
-
-#define CFE_ERR_GETMEM -37
-#define CFE_ERR_SETMEM -38
-
-#define CFE_ERR_NOTCONN -39
-#define CFE_ERR_ADDRINUSE -40
-
-
-#endif /* LINUX_CFE_API_H_ */
+++ /dev/null
-#ifndef __BCM947XX_GPIO_H
-#define __BCM947XX_GPIO_H
-
-#include <linux/ssb/ssb_embedded.h>
-
-extern struct ssb_bus ssb;
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return 0;
-}
-
-static inline void gpio_free(unsigned gpio)
-{
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- ssb_gpio_outen(&ssb, 1 << gpio, 0);
- return 0;
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
- ssb_gpio_outen(&ssb, 1 << gpio, 1 << gpio);
- return 0;
-}
-
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- struct ssb_device *dev;
-
- dev = ssb.chipco.dev;
- if (!dev)
- dev = ssb.extif.dev;
- if (!dev)
- return -EINVAL;
-
- return ssb_mips_irq(dev) + 2;
-}
-
-static inline int irq_to_gpio(unsigned gpio)
-{
- return -EINVAL;
-}
-
-
-static inline int gpio_get_value(unsigned gpio)
-{
- return !!ssb_gpio_in(&ssb, 1 << gpio);
-}
-
-static inline int gpio_set_value(unsigned gpio, int value)
-{
- ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
- return 0;
-}
-
-
-/* cansleep wrappers */
-#include <asm-generic/gpio.h>
-
-
-#endif /* __BCM947XX_GPIO_H */
-
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2005 Embedded Alley Solutions, Inc
- * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 2006 Michael Buesch
- */
-#ifndef __ASM_MACH_GENERIC_KERNEL_ENTRY_H
-#define __ASM_MACH_GENERIC_KERNEL_ENTRY_H
-
-/* Intentionally empty macro, used in head.S. Override in
- * arch/mips/mach-xxx/kernel-entry-init.h when necessary.
- */
- .macro kernel_entry_setup
- .endm
-
-/*
- * Do SMP slave processor setup necessary before we can savely execute C code.
- */
- .macro smp_slave_setup
- .endm
-
-
-#endif /* __ASM_MACH_GENERIC_KERNEL_ENTRY_H */
--- /dev/null
+/*
+ * character device wrapper for generic gpio layer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
+ *
+ * Feedback, Bugs... blogic@openwrt.org
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/atomic.h>
+#include <linux/init.h>
+#include <linux/genhd.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_dev.h>
+
+#define DRVNAME "gpiodev"
+#define DEVNAME "gpio"
+
+static int dev_major;
+static unsigned int gpio_access_mask;
+static struct class *gpiodev_class;
+
+/* Counter is 1, if the device is not opened and zero (or less) if opened. */
+static atomic_t gpio_open_cnt = ATOMIC_INIT(1);
+
+static int
+gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
+{
+ int retval = 0;
+
+ if (((1 << arg) & gpio_access_mask) != (1 << arg))
+ {
+ retval = -EINVAL;
+ goto out;
+ }
+
+ switch (cmd)
+ {
+ case GPIO_GET:
+ retval = gpio_get_value(arg);
+ break;
+
+ case GPIO_SET:
+ gpio_set_value(arg, 1);
+ break;
+
+ case GPIO_CLEAR:
+ gpio_set_value(arg, 0);
+ break;
+
+ case GPIO_DIR_IN:
+ gpio_direction_input(arg);
+ break;
+
+ case GPIO_DIR_OUT:
+ gpio_direction_output(arg, 0);
+ break;
+
+ default:
+ retval = -EINVAL;
+ break;
+ }
+
+out:
+ return retval;
+}
+
+static int
+gpio_open(struct inode *inode, struct file *file)
+{
+ int result = 0;
+ unsigned int dev_minor = MINOR(inode->i_rdev);
+
+ if (dev_minor != 0)
+ {
+ printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor);
+ result = -ENODEV;
+ goto out;
+ }
+
+ /* FIXME: We should really allow multiple applications to open the device
+ * at the same time, as long as the apps access different IO pins.
+ * The generic gpio-registration functions can be used for that.
+ * Two new IOCTLs have to be introduced for that. Need to check userspace
+ * compatibility first. --mb */
+ if (!atomic_dec_and_test(&gpio_open_cnt)) {
+ atomic_inc(&gpio_open_cnt);
+ printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor);
+ result = -EBUSY;
+ goto out;
+ }
+
+out:
+ return result;
+}
+
+static int
+gpio_close(struct inode * inode, struct file * file)
+{
+ smp_mb__before_atomic_inc();
+ atomic_inc(&gpio_open_cnt);
+
+ return 0;
+}
+
+struct file_operations gpio_fops = {
+ ioctl: gpio_ioctl,
+ open: gpio_open,
+ release: gpio_close
+};
+
+static int
+gpio_probe(struct platform_device *dev)
+{
+ int result = 0;
+
+ dev_major = register_chrdev(0, DEVNAME, &gpio_fops);
+ if (!dev_major)
+ {
+ printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME);
+ result = -ENODEV;
+ goto out;
+ }
+
+ gpiodev_class = class_create(THIS_MODULE, DRVNAME);
+ class_device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), NULL, DEVNAME);
+
+ printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major);
+
+ if (dev->num_resources != 1)
+ {
+ printk(KERN_ERR DRVNAME ": device may only have 1 resource\n");
+ result = -ENODEV;
+ goto out;
+ }
+
+ gpio_access_mask = dev->resource[0].start;
+
+ printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask);
+out:
+ return result;
+}
+
+static int
+gpio_remove(struct platform_device *dev)
+{
+ unregister_chrdev(dev_major, DEVNAME);
+ return 0;
+}
+
+static struct
+platform_driver gpio_driver = {
+ .probe = gpio_probe,
+ .remove = gpio_remove,
+ .driver = {
+ .name = "GPIODEV",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init
+gpio_mod_init(void)
+{
+ int ret = platform_driver_register(&gpio_driver);
+ if (ret)
+ printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
+
+ return ret;
+}
+
+static void __exit
+gpio_mod_exit(void)
+{
+ platform_driver_unregister(&gpio_driver);
+}
+
+module_init (gpio_mod_init);
+module_exit (gpio_mod_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin / OpenWrt");
+MODULE_DESCRIPTION("Character device for for generic gpio api");
--- /dev/null
+/*
+ * Driver for buttons on GPIO lines not capable of generating interrupts
+ *
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on: /drivers/input/misc/cobalt_btns.c
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ * also was based on: /drivers/input/keyboard/gpio_keys.c
+ * Copyright 2005 Phil Blundell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+#include <linux/gpio_buttons.h>
+
+#include <asm/gpio.h>
+
+#define DRV_NAME "gpio-buttons"
+#define DRV_VERSION "0.1.1"
+#define PFX DRV_NAME ": "
+
+struct gpio_buttons_dev {
+ struct input_polled_dev *poll_dev;
+ struct gpio_buttons_platform_data *pdata;
+};
+
+static void gpio_buttons_poll(struct input_polled_dev *dev)
+{
+ struct gpio_buttons_dev *bdev = dev->private;
+ struct gpio_buttons_platform_data *pdata = bdev->pdata;
+ struct input_dev *input = dev->input;
+ int i;
+
+ for (i = 0; i < bdev->pdata->nbuttons; i++) {
+ struct gpio_button *button = &pdata->buttons[i];
+ unsigned int type = button->type ?: EV_KEY;
+ int state;
+
+ state = gpio_get_value(button->gpio) ? 1 : 0;
+ state ^= button->active_low;
+
+ if (state) {
+ button->count++;
+ } else {
+ if (button->count >= button->threshold) {
+ input_event(input, type, button->code, 1);
+ input_sync(input);
+ }
+ button->count = 0;
+ }
+
+ if (button->count == button->threshold) {
+ input_event(input, type, button->code, 0);
+ input_sync(input);
+ }
+ }
+}
+
+static int __devinit gpio_buttons_probe(struct platform_device *pdev)
+{
+ struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
+ struct gpio_buttons_dev *bdev;
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int error, i;
+
+
+ if (!pdata)
+ return -ENXIO;
+
+ bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
+ if (!bdev) {
+ printk(KERN_ERR DRV_NAME "no memory for device\n");
+ return -ENOMEM;
+ }
+
+ poll_dev = input_allocate_polled_device();
+ if (!poll_dev) {
+ printk(KERN_ERR DRV_NAME "no memory for polled device\n");
+ error = -ENOMEM;
+ goto err_free_bdev;
+ }
+
+ poll_dev->private = bdev;
+ poll_dev->poll = gpio_buttons_poll;
+ poll_dev->poll_interval = pdata->poll_interval;
+
+ input = poll_dev->input;
+
+ input->evbit[0] = BIT(EV_KEY);
+ input->name = pdev->name;
+ input->phys = "gpio-buttons/input0";
+ input->dev.parent = &pdev->dev;
+
+ input->id.bustype = BUS_HOST;
+ input->id.vendor = 0x0001;
+ input->id.product = 0x0001;
+ input->id.version = 0x0100;
+
+ for (i = 0; i < pdata->nbuttons; i++) {
+ struct gpio_button *button = &pdata->buttons[i];
+ unsigned int gpio = button->gpio;
+ unsigned int type = button->type ?: EV_KEY;
+
+ error = gpio_request(gpio, button->desc ?
+ button->desc : DRV_NAME);
+ if (error) {
+ printk(KERN_ERR PFX "unable to claim gpio %u, "
+ "error %d\n", gpio, error);
+ goto err_free_gpio;
+ }
+
+ error = gpio_direction_input(gpio);
+ if (error) {
+ printk(KERN_ERR PFX "unable to set direction on "
+ "gpio %u, error %d\n", gpio, error);
+ goto err_free_gpio;
+ }
+
+ input_set_capability(input, type, button->code);
+ button->count = 0;
+ }
+
+ bdev->poll_dev = poll_dev;
+ bdev->pdata = pdata;
+ platform_set_drvdata(pdev, bdev);
+
+ error = input_register_polled_device(poll_dev);
+ if (error) {
+ printk(KERN_ERR PFX "unable to register polled device, "
+ "error %d\n", error);
+ goto err_free_gpio;
+ }
+
+ return 0;
+
+err_free_gpio:
+ for (i = i - 1; i >= 0; i--)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(poll_dev);
+
+err_free_bdev:
+ kfree(bdev);
+
+ platform_set_drvdata(pdev, NULL);
+ return error;
+}
+
+static int __devexit gpio_buttons_remove(struct platform_device *pdev)
+{
+ struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
+ struct gpio_buttons_platform_data *pdata = bdev->pdata;
+ int i;
+
+ input_unregister_polled_device(bdev->poll_dev);
+
+ for (i = 0; i < pdata->nbuttons; i++)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(bdev->poll_dev);
+
+ kfree(bdev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gpio_buttons_driver = {
+ .probe = gpio_buttons_probe,
+ .remove = __devexit_p(gpio_buttons_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init gpio_buttons_init(void)
+{
+ printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n");
+ return platform_driver_register(&gpio_buttons_driver);
+}
+
+static void __exit gpio_buttons_exit(void)
+{
+ platform_driver_unregister(&gpio_buttons_driver);
+}
+
+module_init(gpio_buttons_init);
+module_exit(gpio_buttons_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
+
--- /dev/null
+/*
+ * LEDs driver for PCEngines ALIX 2/3 series
+ *
+ * Copyright (C) 2007 Petr Liebman
+ *
+ * Based on leds-wrap.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <asm/io.h>
+
+#define DRVNAME "alix-led"
+
+#define ALIX_LED1_PORT (0x6100)
+#define ALIX_LED1_ON (1<<22)
+#define ALIX_LED1_OFF (1<<6)
+
+#define ALIX_LED2_PORT (0x6180)
+#define ALIX_LED2_ON (1<<25)
+#define ALIX_LED2_OFF (1<<9)
+
+#define ALIX_LED3_PORT (0x6180)
+#define ALIX_LED3_ON (1<<27)
+#define ALIX_LED3_OFF (1<<11)
+
+
+static struct platform_device *pdev;
+
+static void alix_led_set_1(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ if (value)
+ outl(ALIX_LED1_ON, ALIX_LED1_PORT);
+ else
+ outl(ALIX_LED1_OFF, ALIX_LED1_PORT);
+}
+
+static void alix_led_set_2(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ if (value)
+ outl(ALIX_LED2_ON, ALIX_LED2_PORT);
+ else
+ outl(ALIX_LED2_OFF, ALIX_LED2_PORT);
+}
+
+static void alix_led_set_3(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ if (value)
+ outl(ALIX_LED3_ON, ALIX_LED3_PORT);
+ else
+ outl(ALIX_LED3_OFF, ALIX_LED3_PORT);
+}
+
+static struct led_classdev alix_led_1 = {
+ .name = "alix:1",
+ .brightness_set = alix_led_set_1,
+};
+
+static struct led_classdev alix_led_2 = {
+ .name = "alix:2",
+ .brightness_set = alix_led_set_2,
+};
+
+static struct led_classdev alix_led_3 = {
+ .name = "alix:3",
+ .brightness_set = alix_led_set_3,
+};
+
+
+#ifdef CONFIG_PM
+static int alix_led_suspend(struct platform_device *dev,
+ pm_message_t state)
+{
+ led_classdev_suspend(&alix_led_1);
+ led_classdev_suspend(&alix_led_2);
+ led_classdev_suspend(&alix_led_3);
+ return 0;
+}
+
+static int alix_led_resume(struct platform_device *dev)
+{
+ led_classdev_resume(&alix_led_1);
+ led_classdev_resume(&alix_led_2);
+ led_classdev_resume(&alix_led_3);
+ return 0;
+}
+#else
+#define alix_led_suspend NULL
+#define alix_led_resume NULL
+#endif
+
+static int alix_led_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &alix_led_1);
+ if (ret >= 0)
+ {
+ ret = led_classdev_register(&pdev->dev, &alix_led_2);
+ if (ret >= 0)
+ {
+ ret = led_classdev_register(&pdev->dev, &alix_led_3);
+ if (ret < 0)
+ led_classdev_unregister(&alix_led_2);
+ }
+ if (ret < 0)
+ led_classdev_unregister(&alix_led_1);
+ }
+ return ret;
+}
+
+static int alix_led_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&alix_led_1);
+ led_classdev_unregister(&alix_led_2);
+ led_classdev_unregister(&alix_led_3);
+ return 0;
+}
+
+static struct platform_driver alix_led_driver = {
+ .probe = alix_led_probe,
+ .remove = alix_led_remove,
+ .suspend = alix_led_suspend,
+ .resume = alix_led_resume,
+ .driver = {
+ .name = DRVNAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init alix_led_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&alix_led_driver);
+ if (ret < 0)
+ goto out;
+
+ pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
+ if (IS_ERR(pdev)) {
+ ret = PTR_ERR(pdev);
+ platform_driver_unregister(&alix_led_driver);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static void __exit alix_led_exit(void)
+{
+ platform_device_unregister(pdev);
+ platform_driver_unregister(&alix_led_driver);
+}
+
+module_init(alix_led_init);
+module_exit(alix_led_exit);
+
+MODULE_AUTHOR("Petr Liebman");
+MODULE_DESCRIPTION("PCEngines ALIX LED driver");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+/*
+ * LED Kernel Default ON Trigger
+ *
+ * Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
+ *
+ * Based on Richard Purdie's ledtrig-timer.c.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/leds.h>
+#include "leds.h"
+
+static void defon_trig_activate(struct led_classdev *led_cdev)
+{
+ led_set_brightness(led_cdev, LED_FULL);
+}
+
+static struct led_trigger defon_led_trigger = {
+ .name = "default-on",
+ .activate = defon_trig_activate,
+};
+
+static int __init defon_trig_init(void)
+{
+ return led_trigger_register(&defon_led_trigger);
+}
+
+static void __exit defon_trig_exit(void)
+{
+ led_trigger_unregister(&defon_led_trigger);
+}
+
+module_init(defon_trig_init);
+module_exit(defon_trig_exit);
+
+MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
+MODULE_DESCRIPTION("Default-ON LED trigger");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * LED Morse Trigger
+ *
+ * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on: drivers/led/ledtrig-timer.c
+ * Copyright 2005-2006 Openedhand Ltd.
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * also based on the patch '[PATCH] 2.5.59 morse code panics' posted
+ * in the LKML by Tomas Szepe at Thu, 30 Jan 2003
+ * Copyright (C) 2002 Andrew Rodland <arodland@noln.com>
+ * Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+#include <linux/timer.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+
+#include "leds.h"
+
+#define MORSE_DELAY_BASE (HZ/2)
+
+#define MORSE_STATE_BLINK_START 0
+#define MORSE_STATE_BLINK_STOP 1
+
+#define MORSE_DIT_LEN 1
+#define MORSE_DAH_LEN 3
+#define MORSE_SPACE_LEN 7
+
+struct morse_trig_data {
+ unsigned long delay;
+ char *msg;
+
+ unsigned char morse;
+ unsigned char state;
+ char *msgpos;
+ struct timer_list timer;
+};
+
+const unsigned char morsetable[] = {
+ 0122, 0, 0310, 0, 0, 0163, /* "#$%&' */
+ 055, 0155, 0, 0, 0163, 0141, 0152, 0051, /* ()*+,-./ */
+ 077, 076, 074, 070, 060, 040, 041, 043, 047, 057, /* 0-9 */
+ 0107, 0125, 0, 0061, 0, 0114, 0, /* :;<=>?@ */
+ 006, 021, 025, 011, 002, 024, 013, 020, 004, /* A-I */
+ 036, 015, 022, 007, 005, 017, 026, 033, 012, /* J-R */
+ 010, 003, 014, 030, 016, 031, 035, 023, /* S-Z */
+ 0, 0, 0, 0, 0154 /* [\]^_ */
+};
+
+static inline unsigned char tomorse(char c) {
+ if (c >= 'a' && c <= 'z')
+ c = c - 'a' + 'A';
+ if (c >= '"' && c <= '_') {
+ return morsetable[c - '"'];
+ } else
+ return 0;
+}
+
+static inline unsigned long dit_len(struct morse_trig_data *morse_data)
+{
+ return MORSE_DIT_LEN*morse_data->delay;
+}
+
+static inline unsigned long dah_len(struct morse_trig_data *morse_data)
+{
+ return MORSE_DAH_LEN*morse_data->delay;
+}
+
+static inline unsigned long space_len(struct morse_trig_data *morse_data)
+{
+ return MORSE_SPACE_LEN*morse_data->delay;
+}
+
+static void morse_timer_function(unsigned long data)
+{
+ struct led_classdev *led_cdev = (struct led_classdev *)data;
+ struct morse_trig_data *morse_data = led_cdev->trigger_data;
+ unsigned long brightness = LED_OFF;
+ unsigned long delay = 0;
+
+ if (!morse_data->msg)
+ goto set_led;
+
+ switch (morse_data->state) {
+ case MORSE_STATE_BLINK_START:
+ /* Starting a new blink. We have a valid code in morse. */
+ delay = (morse_data->morse & 001) ? dah_len(morse_data):
+ dit_len(morse_data);
+ brightness = LED_FULL;
+ morse_data->state = MORSE_STATE_BLINK_STOP;
+ morse_data->morse >>= 1;
+ break;
+ case MORSE_STATE_BLINK_STOP:
+ /* Coming off of a blink. */
+ morse_data->state = MORSE_STATE_BLINK_START;
+
+ if (morse_data->morse > 1) {
+ /* Not done yet, just a one-dit pause. */
+ delay = dit_len(morse_data);
+ break;
+ }
+
+ /* Get a new char, figure out how much space. */
+ /* First time through */
+ if (!morse_data->msgpos)
+ morse_data->msgpos = (char *)morse_data->msg;
+
+ if (!*morse_data->msgpos) {
+ /* Repeating */
+ morse_data->msgpos = (char *)morse_data->msg;
+ delay = space_len(morse_data);
+ } else {
+ /* Inter-letter space */
+ delay = dah_len(morse_data);
+ }
+
+ if (!(morse_data->morse = tomorse(*morse_data->msgpos))) {
+ delay = space_len(morse_data);
+ /* And get us back here */
+ morse_data->state = MORSE_STATE_BLINK_STOP;
+ }
+ morse_data->msgpos++;
+ break;
+ }
+
+ mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay));
+
+set_led:
+ led_set_brightness(led_cdev, brightness);
+}
+
+static ssize_t _morse_delay_show(struct led_classdev *led_cdev, char *buf)
+{
+ struct morse_trig_data *morse_data = led_cdev->trigger_data;
+
+ sprintf(buf, "%lu\n", morse_data->delay);
+
+ return strlen(buf) + 1;
+}
+
+static ssize_t _morse_delay_store(struct led_classdev *led_cdev,
+ const char *buf, size_t size)
+{
+ struct morse_trig_data *morse_data = led_cdev->trigger_data;
+ char *after;
+ unsigned long state = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
+ int ret = -EINVAL;
+
+ if (*after && isspace(*after))
+ count++;
+
+ if (count == size) {
+ morse_data->delay = state;
+ mod_timer(&morse_data->timer, jiffies + 1);
+ ret = count;
+ }
+
+ return ret;
+}
+
+static ssize_t _morse_msg_show(struct led_classdev *led_cdev, char *buf)
+{
+ struct morse_trig_data *morse_data = led_cdev->trigger_data;
+
+ if (!morse_data->msg)
+ sprintf(buf, "<none>\n");
+ else
+ sprintf(buf, "%s\n", morse_data->msg);
+
+ return strlen(buf) + 1;
+}
+
+static ssize_t _morse_msg_store(struct led_classdev *led_cdev,
+ const char *buf, size_t size)
+{
+ struct morse_trig_data *morse_data = led_cdev->trigger_data;
+ char *m;
+
+ m = kmalloc(size, GFP_KERNEL);
+ if (!m)
+ return -ENOMEM;
+
+ memcpy(m,buf,size);
+ m[size]='\0';
+
+ if (morse_data->msg)
+ kfree(morse_data->msg);
+
+ morse_data->msg = m;
+ morse_data->msgpos = NULL;
+ morse_data->state = MORSE_STATE_BLINK_STOP;
+
+ mod_timer(&morse_data->timer, jiffies + 1);
+
+ return size;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
+static ssize_t morse_delay_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+ return _morse_delay_show(led_cdev, buf);
+}
+
+static ssize_t morse_delay_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+ return _morse_delay_store(led_cdev, buf, size);
+}
+
+static ssize_t morse_msg_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+ return _morse_msg_show(led_cdev, buf);
+}
+
+static ssize_t morse_msg_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+ return _morse_msg_store(led_cdev, buf, size);
+}
+
+static DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store);
+static DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store);
+
+#define led_device_create_file(leddev, attr) \
+ device_create_file(leddev->dev, &dev_attr_ ## attr)
+#define led_device_remove_file(leddev, attr) \
+ device_remove_file(leddev->dev, &dev_attr_ ## attr)
+
+#else
+static ssize_t morse_delay_show(struct class_device *dev, char *buf)
+{
+ struct led_classdev *led_cdev = class_get_devdata(dev);
+
+ return _morse_delay_show(led_cdev, buf);
+}
+
+static ssize_t morse_delay_store(struct class_device *dev, const char *buf,
+ size_t size)
+{
+ struct led_classdev *led_cdev = class_get_devdata(dev);
+
+ return _morse_delay_store(led_cdev, buf, size);
+}
+
+static ssize_t morse_msg_show(struct class_device *dev, char *buf)
+{
+ struct led_classdev *led_cdev = class_get_devdata(dev);
+
+ return _morse_msg_show(led_cdev, buf);
+}
+
+static ssize_t morse_msg_store(struct class_device *dev, const char *buf,
+ size_t size)
+{
+ struct led_classdev *led_cdev = class_get_devdata(dev);
+
+ return _morse_msg_store(led_cdev, buf, size);
+}
+
+static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store);
+static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store);
+
+#define led_device_create_file(leddev, attr) \
+ class_device_create_file(leddev->class_dev, &class_device_attr_ ## attr)
+#define led_device_remove_file(leddev, attr) \
+ class_device_remove_file(leddev->class_dev, &class_device_attr_ ## attr)
+
+#endif
+
+static void morse_trig_activate(struct led_classdev *led_cdev)
+{
+ struct morse_trig_data *morse_data;
+ int rc;
+
+ morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL);
+ if (!morse_data)
+ return;
+
+ morse_data->delay = MORSE_DELAY_BASE;
+ init_timer(&morse_data->timer);
+ morse_data->timer.function = morse_timer_function;
+ morse_data->timer.data = (unsigned long)led_cdev;
+
+ rc = led_device_create_file(led_cdev, delay);
+ if (rc) goto err;
+
+ rc = led_device_create_file(led_cdev, message);
+ if (rc) goto err_delay;
+
+ led_cdev->trigger_data = morse_data;
+
+ return;
+
+err_delay:
+ led_device_remove_file(led_cdev, delay);
+err:
+ kfree(morse_data);
+}
+
+static void morse_trig_deactivate(struct led_classdev *led_cdev)
+{
+ struct morse_trig_data *morse_data = led_cdev->trigger_data;
+
+ if (!morse_data)
+ return;
+
+ led_device_remove_file(led_cdev, message);
+ led_device_remove_file(led_cdev, delay);
+
+ del_timer_sync(&morse_data->timer);
+ if (morse_data->msg)
+ kfree(morse_data->msg);
+
+ kfree(morse_data);
+}
+
+static struct led_trigger morse_led_trigger = {
+ .name = "morse",
+ .activate = morse_trig_activate,
+ .deactivate = morse_trig_deactivate,
+};
+
+static int __init morse_trig_init(void)
+{
+ return led_trigger_register(&morse_led_trigger);
+}
+
+static void __exit morse_trig_exit(void)
+{
+ led_trigger_unregister(&morse_led_trigger);
+}
+
+module_init(morse_trig_init);
+module_exit(morse_trig_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_DESCRIPTION("Morse LED trigger");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * LED Kernel Netdev Trigger
+ *
+ * Toggles the LED to reflect the link and traffic state of a named net device
+ *
+ * Copyright 2007 Oliver Jowett <oliver@opencloud.com>
+ *
+ * Derived from ledtrig-timer.c which is:
+ * Copyright 2005-2006 Openedhand Ltd.
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+#include <linux/netdevice.h>
+#include <linux/timer.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#include <net/net_namespace.h>
+#endif
+
+#include "leds.h"
+
+/*
+ * Configurable sysfs attributes:
+ *
+ * device_name - network device name to monitor
+ *
+ * interval - duration of LED blink, in milliseconds
+ *
+ * mode - either "none" (LED is off) or a space separated list of one or more of:
+ * link: LED's normal state reflects whether the link is up (has carrier) or not
+ * tx: LED blinks on transmitted data
+ * rx: LED blinks on receive data
+ *
+ * Some suggestions:
+ *
+ * Simple link status LED:
+ * $ echo netdev >someled/trigger
+ * $ echo eth0 >someled/device_name
+ * $ echo link >someled/mode
+ *
+ * Ethernet-style link/activity LED:
+ * $ echo netdev >someled/trigger
+ * $ echo eth0 >someled/device_name
+ * $ echo "link tx rx" >someled/mode
+ *
+ * Modem-style tx/rx LEDs:
+ * $ echo netdev >led1/trigger
+ * $ echo ppp0 >led1/device_name
+ * $ echo tx >led1/mode
+ * $ echo netdev >led2/trigger
+ * $ echo ppp0 >led2/device_name
+ * $ echo rx >led2/mode
+ *
+ */
+
+#define MODE_LINK 1
+#define MODE_TX 2
+#define MODE_RX 4
+
+struct led_netdev_data {
+ rwlock_t lock;
+
+ struct timer_list timer;
+ struct notifier_block notifier;
+
+ struct led_classdev *led_cdev;
+ struct net_device *net_dev;
+
+ char device_name[IFNAMSIZ];
+ unsigned interval;
+ unsigned mode;
+ unsigned link_up;
+ unsigned last_activity;
+};
+
+static void set_baseline_state(struct led_netdev_data *trigger_data)
+{
+ if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up)
+ led_set_brightness(trigger_data->led_cdev, LED_FULL);
+ else
+ led_set_brightness(trigger_data->led_cdev, LED_OFF);
+
+ if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up)
+ mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
+ else
+ del_timer(&trigger_data->timer);
+}
+
+static ssize_t led_device_name_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ read_lock(&trigger_data->lock);
+ sprintf(buf, "%s\n", trigger_data->device_name);
+ read_unlock(&trigger_data->lock);
+
+ return strlen(buf) + 1;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
+extern struct net init_net;
+#endif
+
+static ssize_t led_device_name_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ if (size < 0 || size >= IFNAMSIZ)
+ return -EINVAL;
+
+ write_lock(&trigger_data->lock);
+
+ strcpy(trigger_data->device_name, buf);
+ if (size > 0 && trigger_data->device_name[size-1] == '\n')
+ trigger_data->device_name[size-1] = 0;
+
+ if (trigger_data->device_name[0] != 0) {
+ /* check for existing device to update from */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+ trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name);
+#else
+ trigger_data->net_dev = dev_get_by_name(trigger_data->device_name);
+#endif
+ if (trigger_data->net_dev != NULL)
+ trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0;
+ set_baseline_state(trigger_data); /* updates LEDs, may start timers */
+ }
+
+ write_unlock(&trigger_data->lock);
+ return size;
+}
+
+static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store);
+
+static ssize_t led_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ read_lock(&trigger_data->lock);
+
+ if (trigger_data->mode == 0) {
+ strcpy(buf, "none\n");
+ } else {
+ if (trigger_data->mode & MODE_LINK)
+ strcat(buf, "link ");
+ if (trigger_data->mode & MODE_TX)
+ strcat(buf, "tx ");
+ if (trigger_data->mode & MODE_RX)
+ strcat(buf, "rx ");
+ strcat(buf, "\n");
+ }
+
+ read_unlock(&trigger_data->lock);
+
+ return strlen(buf)+1;
+}
+
+static ssize_t led_mode_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+ char copybuf[1024];
+ int new_mode = -1;
+ char *p, *token;
+
+ /* take a copy since we don't want to trash the inbound buffer when using strsep */
+ strncpy(copybuf, buf, sizeof(copybuf));
+ copybuf[1023] = 0;
+ p = copybuf;
+
+ while ((token = strsep(&p, " \t\n")) != NULL) {
+ if (!*token)
+ continue;
+
+ if (new_mode == -1)
+ new_mode = 0;
+
+ if (!strcmp(token, "none"))
+ new_mode = 0;
+ else if (!strcmp(token, "tx"))
+ new_mode |= MODE_TX;
+ else if (!strcmp(token, "rx"))
+ new_mode |= MODE_RX;
+ else if (!strcmp(token, "link"))
+ new_mode |= MODE_LINK;
+ else
+ return -EINVAL;
+ }
+
+ if (new_mode == -1)
+ return -EINVAL;
+
+ write_lock(&trigger_data->lock);
+ trigger_data->mode = new_mode;
+ set_baseline_state(trigger_data);
+ write_unlock(&trigger_data->lock);
+
+ return size;
+}
+
+static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store);
+
+static ssize_t led_interval_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ read_lock(&trigger_data->lock);
+ sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval));
+ read_unlock(&trigger_data->lock);
+
+ return strlen(buf) + 1;
+}
+
+static ssize_t led_interval_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+ int ret = -EINVAL;
+ char *after;
+ unsigned long value = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
+
+ if (*after && isspace(*after))
+ count++;
+
+ /* impose some basic bounds on the timer interval */
+ if (count == size && value >= 5 && value <= 10000) {
+ write_lock(&trigger_data->lock);
+ trigger_data->interval = msecs_to_jiffies(value);
+ set_baseline_state(trigger_data); // resets timer
+ write_unlock(&trigger_data->lock);
+ ret = count;
+ }
+
+ return ret;
+}
+
+static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store);
+
+static int netdev_trig_notify(struct notifier_block *nb,
+ unsigned long evt,
+ void *dv)
+{
+ struct net_device *dev = dv;
+ struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier);
+
+ if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
+ return NOTIFY_DONE;
+
+ write_lock(&trigger_data->lock);
+
+ if (strcmp(dev->name, trigger_data->device_name))
+ goto done;
+
+ if (evt == NETDEV_REGISTER) {
+ if (trigger_data->net_dev != NULL)
+ dev_put(trigger_data->net_dev);
+ dev_hold(dev);
+ trigger_data->net_dev = dev;
+ trigger_data->link_up = 0;
+ goto done;
+ }
+
+ if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) {
+ dev_put(trigger_data->net_dev);
+ trigger_data->net_dev = NULL;
+ goto done;
+ }
+
+ /* UP / DOWN / CHANGE */
+
+ trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev));
+ set_baseline_state(trigger_data);
+
+done:
+ write_unlock(&trigger_data->lock);
+ return NOTIFY_DONE;
+}
+
+/* here's the real work! */
+static void netdev_trig_timer(unsigned long arg)
+{
+ struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg;
+ struct net_device_stats *dev_stats;
+ unsigned new_activity;
+
+ write_lock(&trigger_data->lock);
+
+ if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) {
+ /* we don't need to do timer work, just reflect link state. */
+ led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF);
+ goto no_restart;
+ }
+
+ dev_stats = trigger_data->net_dev->get_stats(trigger_data->net_dev);
+ new_activity =
+ ((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) +
+ ((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0);
+
+ if (trigger_data->mode & MODE_LINK) {
+ /* base state is ON (link present) */
+ /* if there's no link, we don't get this far and the LED is off */
+
+ /* OFF -> ON always */
+ /* ON -> OFF on activity */
+ if (trigger_data->led_cdev->brightness == LED_OFF) {
+ led_set_brightness(trigger_data->led_cdev, LED_FULL);
+ } else if (trigger_data->last_activity != new_activity) {
+ led_set_brightness(trigger_data->led_cdev, LED_OFF);
+ }
+ } else {
+ /* base state is OFF */
+ /* ON -> OFF always */
+ /* OFF -> ON on activity */
+ if (trigger_data->led_cdev->brightness == LED_FULL) {
+ led_set_brightness(trigger_data->led_cdev, LED_OFF);
+ } else if (trigger_data->last_activity != new_activity) {
+ led_set_brightness(trigger_data->led_cdev, LED_FULL);
+ }
+ }
+
+ trigger_data->last_activity = new_activity;
+ mod_timer(&trigger_data->timer, jiffies + trigger_data->interval);
+
+no_restart:
+ write_unlock(&trigger_data->lock);
+}
+
+static void netdev_trig_activate(struct led_classdev *led_cdev)
+{
+ struct led_netdev_data *trigger_data;
+ int rc;
+
+ trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL);
+ if (!trigger_data)
+ return;
+
+ rwlock_init(&trigger_data->lock);
+
+ trigger_data->notifier.notifier_call = netdev_trig_notify;
+ trigger_data->notifier.priority = 10;
+
+ setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data);
+
+ trigger_data->led_cdev = led_cdev;
+ trigger_data->net_dev = NULL;
+ trigger_data->device_name[0] = 0;
+
+ trigger_data->mode = 0;
+ trigger_data->interval = msecs_to_jiffies(50);
+ trigger_data->link_up = 0;
+ trigger_data->last_activity = 0;
+
+ led_cdev->trigger_data = trigger_data;
+
+ rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
+ if (rc)
+ goto err_out;
+ rc = device_create_file(led_cdev->dev, &dev_attr_mode);
+ if (rc)
+ goto err_out_device_name;
+ rc = device_create_file(led_cdev->dev, &dev_attr_interval);
+ if (rc)
+ goto err_out_mode;
+
+ register_netdevice_notifier(&trigger_data->notifier);
+ return;
+
+err_out_mode:
+ device_remove_file(led_cdev->dev, &dev_attr_mode);
+err_out_device_name:
+ device_remove_file(led_cdev->dev, &dev_attr_device_name);
+err_out:
+ led_cdev->trigger_data = NULL;
+ kfree(trigger_data);
+}
+
+static void netdev_trig_deactivate(struct led_classdev *led_cdev)
+{
+ struct led_netdev_data *trigger_data = led_cdev->trigger_data;
+
+ if (trigger_data) {
+ unregister_netdevice_notifier(&trigger_data->notifier);
+
+ device_remove_file(led_cdev->dev, &dev_attr_device_name);
+ device_remove_file(led_cdev->dev, &dev_attr_mode);
+ device_remove_file(led_cdev->dev, &dev_attr_interval);
+
+ write_lock(&trigger_data->lock);
+
+ if (trigger_data->net_dev) {
+ dev_put(trigger_data->net_dev);
+ trigger_data->net_dev = NULL;
+ }
+
+ write_unlock(&trigger_data->lock);
+
+ del_timer_sync(&trigger_data->timer);
+
+ kfree(trigger_data);
+ }
+}
+
+static struct led_trigger netdev_led_trigger = {
+ .name = "netdev",
+ .activate = netdev_trig_activate,
+ .deactivate = netdev_trig_deactivate,
+};
+
+static int __init netdev_trig_init(void)
+{
+ return led_trigger_register(&netdev_led_trigger);
+}
+
+static void __exit netdev_trig_exit(void)
+{
+ led_trigger_unregister(&netdev_led_trigger);
+}
+
+module_init(netdev_trig_init);
+module_exit(netdev_trig_exit);
+
+MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>");
+MODULE_DESCRIPTION("Netdev LED trigger");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * ADM6996 switch driver
+ *
+ * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/unistd.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include "adm6996.h"
+
+MODULE_DESCRIPTION("Infineon ADM6996 Switch");
+MODULE_AUTHOR("Felix Fietkau");
+MODULE_LICENSE("GPL");
+
+struct adm6996_priv {
+ /* use abstraction for regops, we want to add gpio support in the future */
+ u16 (*read)(struct phy_device *phydev, enum admreg reg);
+ void (*write)(struct phy_device *phydev, enum admreg reg, u16 val);
+};
+
+#define to_adm(_phy) ((struct adm6996_priv *) (_phy)->priv)
+
+
+static inline u16
+r16(struct phy_device *pdev, enum admreg reg)
+{
+ return to_adm(pdev)->read(pdev, reg);
+}
+
+static inline void
+w16(struct phy_device *pdev, enum admreg reg, u16 val)
+{
+ to_adm(pdev)->write(pdev, reg, val);
+}
+
+
+static u16
+adm6996_read_mii_reg(struct phy_device *phydev, enum admreg reg)
+{
+ return phydev->bus->read(phydev->bus, PHYADDR(reg));
+}
+
+static void
+adm6996_write_mii_reg(struct phy_device *phydev, enum admreg reg, u16 val)
+{
+ phydev->bus->write(phydev->bus, PHYADDR(reg), val);
+}
+
+
+static int adm6996_config_init(struct phy_device *pdev)
+{
+ int i;
+
+ printk("%s: ADM6996 PHY driver attached.\n", pdev->attached_dev->name);
+ pdev->supported = ADVERTISED_100baseT_Full;
+ pdev->advertising = ADVERTISED_100baseT_Full;
+
+ /* initialize port and vlan settings */
+ for (i = 0; i < ADM_PHY_PORTS; i++) {
+ w16(pdev, adm_portcfg[i], ADM_PORTCFG_INIT |
+ ADM_PORTCFG_PVID((i == ADM_WAN_PORT) ? 1 : 0));
+ }
+ w16(pdev, adm_portcfg[5], ADM_PORTCFG_CPU);
+
+ /* reset all ports */
+ for (i = 0; i < ADM_PHY_PORTS; i++) {
+ w16(pdev, ADM_PHY_PORT(i), ADM_PHYCFG_INIT);
+ }
+
+ return 0;
+}
+
+static int adm6996_read_status(struct phy_device *phydev)
+{
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_FULL;
+ phydev->state = PHY_UP;
+ return 0;
+}
+
+static int adm6996_config_aneg(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int adm6996_probe(struct phy_device *pdev)
+{
+ struct adm6996_priv *priv;
+
+ priv = kzalloc(sizeof(struct adm6996_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
+ priv->read = adm6996_read_mii_reg;
+ priv->write = adm6996_write_mii_reg;
+ pdev->priv = priv;
+ return 0;
+}
+
+static void adm6996_remove(struct phy_device *pdev)
+{
+ kfree(pdev->priv);
+}
+
+static bool adm6996_detect(struct mii_bus *bus, int addr)
+{
+ u16 reg;
+
+ /* we only attach to phy id 0 */
+ if (addr != 0)
+ return false;
+
+ /* look for the switch on the bus */
+ reg = bus->read(bus, PHYADDR(ADM_SIG0)) & ADM_SIG0_MASK;
+ if (reg != ADM_SIG0_VAL)
+ return false;
+
+ reg = bus->read(bus, PHYADDR(ADM_SIG1)) & ADM_SIG1_MASK;
+ if (reg != ADM_SIG1_VAL)
+ return false;
+
+ return true;
+}
+
+static struct phy_driver adm6996_driver = {
+ .name = "Infineon ADM6996",
+ .features = PHY_BASIC_FEATURES,
+ .detect = adm6996_detect,
+ .probe = adm6996_probe,
+ .remove = adm6996_remove,
+ .config_init = &adm6996_config_init,
+ .config_aneg = &adm6996_config_aneg,
+ .read_status = &adm6996_read_status,
+ .driver = { .owner = THIS_MODULE,},
+};
+
+static int __init adm6996_init(void)
+{
+ return phy_driver_register(&adm6996_driver);
+}
+
+static void __exit adm6996_exit(void)
+{
+ phy_driver_unregister(&adm6996_driver);
+}
+
+module_init(adm6996_init);
+module_exit(adm6996_exit);
--- /dev/null
+/*
+ * ADM6996 switch driver
+ *
+ * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation
+ */
+#ifndef __ADM6996_H
+#define __ADM6996_H
+
+#define ADM_PHY_PORTS 5
+#define ADM_CPU_PORT 5
+#define ADM_WAN_PORT 0 /* FIXME: dynamic ? */
+
+enum admreg {
+ ADM_EEPROM_BASE = 0x0,
+ ADM_P0_CFG = ADM_EEPROM_BASE + 1,
+ ADM_P1_CFG = ADM_EEPROM_BASE + 3,
+ ADM_P2_CFG = ADM_EEPROM_BASE + 5,
+ ADM_P3_CFG = ADM_EEPROM_BASE + 7,
+ ADM_P4_CFG = ADM_EEPROM_BASE + 8,
+ ADM_P5_CFG = ADM_EEPROM_BASE + 9,
+ ADM_EEPROM_EXT_BASE = 0x40,
+ ADM_COUNTER_BASE = 0xa0,
+ ADM_SIG0 = ADM_COUNTER_BASE + 0,
+ ADM_SIG1 = ADM_COUNTER_BASE + 1,
+ ADM_PHY_BASE = 0x200,
+#define ADM_PHY_PORT(n) (ADM_PHY_BASE + (0x20 * n))
+};
+
+/* Chip identification patterns */
+#define ADM_SIG0_MASK 0xfff0
+#define ADM_SIG0_VAL 0x1020
+#define ADM_SIG1_MASK 0xffff
+#define ADM_SIG1_VAL 0x0007
+
+enum {
+ ADM_PHYCFG_COLTST = (1 << 7), /* Enable collision test */
+ ADM_PHYCFG_DPLX = (1 << 8), /* Enable full duplex */
+ ADM_PHYCFG_ANEN_RST = (1 << 9), /* Restart auto negotiation (self clear) */
+ ADM_PHYCFG_ISO = (1 << 10), /* Isolate PHY */
+ ADM_PHYCFG_PDN = (1 << 11), /* Power down PHY */
+ ADM_PHYCFG_ANEN = (1 << 12), /* Enable auto negotiation */
+ ADM_PHYCFG_SPEED_100 = (1 << 13), /* Enable 100 Mbit/s */
+ ADM_PHYCFG_LPBK = (1 << 14), /* Enable loopback operation */
+ ADM_PHYCFG_RST = (1 << 15), /* Reset the port (self clear) */
+ ADM_PHYCFG_INIT = (
+ ADM_PHYCFG_RST |
+ ADM_PHYCFG_SPEED_100 |
+ ADM_PHYCFG_ANEN |
+ ADM_PHYCFG_ANEN_RST
+ )
+};
+
+enum {
+ ADM_PORTCFG_FC = (1 << 0), /* Enable 802.x flow control */
+ ADM_PORTCFG_AN = (1 << 1), /* Enable auto-negotiation */
+ ADM_PORTCFG_SPEED_100 = (1 << 2), /* Enable 100 Mbit/s */
+ ADM_PORTCFG_DPLX = (1 << 3), /* Enable full duplex */
+ ADM_PORTCFG_OT = (1 << 4), /* Output tagged packets */
+ ADM_PORTCFG_PD = (1 << 5), /* Port disable */
+ ADM_PORTCFG_TV_PRIO = (1 << 6), /* 0 = VLAN based priority
+ * 1 = TOS based priority */
+ ADM_PORTCFG_PPE = (1 << 7), /* Port based priority enable */
+ ADM_PORTCFG_PP_S = (1 << 8), /* Port based priority, 2 bits */
+ ADM_PORTCFG_PVID_BASE = (1 << 10), /* Primary VLAN id, 4 bits */
+ ADM_PORTCFG_FSE = (1 << 14), /* Fx select enable */
+ ADM_PORTCFG_CAM = (1 << 15), /* Crossover Auto MDIX */
+
+ ADM_PORTCFG_INIT = (
+ ADM_PORTCFG_FC |
+ ADM_PORTCFG_AN |
+ ADM_PORTCFG_SPEED_100 |
+ ADM_PORTCFG_DPLX |
+ ADM_PORTCFG_CAM
+ ),
+ ADM_PORTCFG_CPU = (
+ ADM_PORTCFG_FC |
+ ADM_PORTCFG_SPEED_100 |
+ ADM_PORTCFG_OT |
+ ADM_PORTCFG_DPLX
+ ),
+};
+
+#define ADM_PORTCFG_PPID(N) ((n & 0x3) << 8)
+#define ADM_PORTCFG_PVID(n) ((n & 0xf) << 10)
+
+static const u8 adm_portcfg[] = {
+ [0] = ADM_P0_CFG,
+ [1] = ADM_P1_CFG,
+ [2] = ADM_P2_CFG,
+ [3] = ADM_P3_CFG,
+ [4] = ADM_P4_CFG,
+ [5] = ADM_P5_CFG,
+};
+
+/*
+ * Split the register address in phy id and register
+ * it will get combined again by the mdio bus op
+ */
+#define PHYADDR(_reg) ((_reg >> 5) & 0xff), (_reg & 0x1f)
+
+#endif
--- /dev/null
+/*
+ * Marvell 88E6060 switch driver
+ * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/unistd.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/if_vlan.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include "mvswitch.h"
+
+/* Undefine this to use trailer mode instead.
+ * I don't know if header mode works with all chips */
+#define HEADER_MODE 1
+
+MODULE_DESCRIPTION("Marvell 88E6060 Switch driver");
+MODULE_AUTHOR("Felix Fietkau");
+MODULE_LICENSE("GPL");
+
+struct mvswitch_priv {
+ /* the driver's tx function */
+ int (*hardstart)(struct sk_buff *skb, struct net_device *dev);
+ struct vlan_group *grp;
+ u8 vlans[16];
+};
+
+#define to_mvsw(_phy) ((struct mvswitch_priv *) (_phy)->priv)
+
+static inline u16
+r16(struct phy_device *phydev, int addr, int reg)
+{
+ return phydev->bus->read(phydev->bus, addr, reg);
+}
+
+static inline void
+w16(struct phy_device *phydev, int addr, int reg, u16 val)
+{
+ phydev->bus->write(phydev->bus, addr, reg, val);
+}
+
+
+static int
+mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev)
+{
+ struct mvswitch_priv *priv;
+ char *buf = NULL;
+ u16 vid;
+
+ priv = dev->phy_ptr;
+ if (unlikely(!priv))
+ goto error;
+
+ if (unlikely(skb->len < 16))
+ goto error;
+
+#ifdef HEADER_MODE
+ if (__vlan_hwaccel_get_tag(skb, &vid))
+ goto error;
+
+ if (skb_cloned(skb) || (skb->len <= 62) || (skb_headroom(skb) < MV_HEADER_SIZE)) {
+ if (pskb_expand_head(skb, MV_HEADER_SIZE, (skb->len < 62 ? 62 - skb->len : 0), GFP_ATOMIC))
+ goto error_expand;
+ if (skb->len < 62)
+ skb->len = 62;
+ }
+ buf = skb_push(skb, MV_HEADER_SIZE);
+#else
+ if (__vlan_get_tag(skb, &vid))
+ goto error;
+
+ if (unlikely((vid > 15 || !priv->vlans[vid])))
+ goto error;
+
+ if (skb->len <= 64) {
+ if (pskb_expand_head(skb, 0, 64 + MV_TRAILER_SIZE - skb->len, GFP_ATOMIC))
+ goto error_expand;
+
+ buf = skb->data + 64;
+ skb->len = 64 + MV_TRAILER_SIZE;
+ } else {
+ if (skb_cloned(skb) || unlikely(skb_tailroom(skb) < 4)) {
+ if (pskb_expand_head(skb, 0, 4, GFP_ATOMIC))
+ goto error_expand;
+ }
+ buf = skb_put(skb, 4);
+ }
+
+ /* move the ethernet header 4 bytes forward, overwriting the vlan tag */
+ memmove(skb->data + 4, skb->data, 12);
+ skb->data += 4;
+ skb->len -= 4;
+ skb->mac_header += 4;
+#endif
+
+ if (!buf)
+ goto error;
+
+
+#ifdef HEADER_MODE
+ /* prepend the tag */
+ *((__be16 *) buf) = cpu_to_be16(
+ ((vid << MV_HEADER_VLAN_S) & MV_HEADER_VLAN_M) |
+ ((priv->vlans[vid] << MV_HEADER_PORTS_S) & MV_HEADER_PORTS_M)
+ );
+#else
+ /* append the tag */
+ *((__be32 *) buf) = cpu_to_be32((
+ (MV_TRAILER_OVERRIDE << MV_TRAILER_FLAGS_S) |
+ ((priv->vlans[vid] & MV_TRAILER_PORTS_M) << MV_TRAILER_PORTS_S)
+ ));
+#endif
+
+ return priv->hardstart(skb, dev);
+
+error_expand:
+ if (net_ratelimit())
+ printk("%s: failed to expand/update skb for the switch\n", dev->name);
+
+error:
+ /* any errors? drop the packet! */
+ dev_kfree_skb_any(skb);
+ return 0;
+}
+
+static int
+mvswitch_mangle_rx(struct sk_buff *skb, int napi)
+{
+ struct mvswitch_priv *priv;
+ struct net_device *dev;
+ int vlan = -1;
+ unsigned char *buf;
+ int i;
+
+ dev = skb->dev;
+ if (!dev)
+ goto error;
+
+ priv = dev->phy_ptr;
+ if (!priv)
+ goto error;
+
+ if (!priv->grp)
+ goto error;
+
+#ifdef HEADER_MODE
+ buf = skb->data;
+ skb_pull(skb, MV_HEADER_SIZE);
+#else
+ buf = skb->data + skb->len - MV_TRAILER_SIZE;
+ if (buf[0] != 0x80)
+ goto error;
+#endif
+
+ /* look for the vlan matching the incoming port */
+ for (i = 0; i < ARRAY_SIZE(priv->vlans); i++) {
+ if ((1 << buf[1]) & priv->vlans[i])
+ vlan = i;
+ }
+
+ if (vlan == -1)
+ goto error;
+
+ skb->protocol = eth_type_trans(skb, skb->dev);
+
+ if (napi)
+ return vlan_hwaccel_receive_skb(skb, priv->grp, vlan);
+ else
+ return vlan_hwaccel_rx(skb, priv->grp, vlan);
+
+error:
+ /* no vlan? eat the packet! */
+ dev_kfree_skb_any(skb);
+ return 0;
+}
+
+
+static int
+mvswitch_netif_rx(struct sk_buff *skb)
+{
+ return mvswitch_mangle_rx(skb, 0);
+}
+
+static int
+mvswitch_netif_receive_skb(struct sk_buff *skb)
+{
+ return mvswitch_mangle_rx(skb, 1);
+}
+
+
+static void
+mvswitch_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
+{
+ struct mvswitch_priv *priv = dev->phy_ptr;
+ priv->grp = grp;
+}
+
+
+static int
+mvswitch_wait_mask(struct phy_device *pdev, int addr, int reg, u16 mask, u16 val)
+{
+ int i = 100;
+ u16 r;
+
+ do {
+ r = r16(pdev, addr, reg) & mask;
+ if (r == val)
+ return 0;
+ } while(--i > 0);
+ return -ETIMEDOUT;
+}
+
+static int
+mvswitch_config_init(struct phy_device *pdev)
+{
+ struct mvswitch_priv *priv = to_mvsw(pdev);
+ struct net_device *dev = pdev->attached_dev;
+ u8 vlmap = 0;
+ int i;
+
+ if (!dev)
+ return -EINVAL;
+
+ printk("%s: Marvell 88E6060 PHY driver attached.\n", dev->name);
+ pdev->supported = ADVERTISED_100baseT_Full;
+ pdev->advertising = ADVERTISED_100baseT_Full;
+ dev->phy_ptr = priv;
+ dev->irq = PHY_POLL;
+
+ /* initialize default vlans */
+ for (i = 0; i < MV_PORTS; i++)
+ priv->vlans[(i == MV_WANPORT ? 1 : 0)] |= (1 << i);
+
+ /* before entering reset, disable all ports */
+ for (i = 0; i < MV_PORTS; i++)
+ w16(pdev, MV_PORTREG(CONTROL, i), 0x00);
+
+ msleep(2); /* wait for the status change to settle in */
+
+ /* put the ATU in reset */
+ w16(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET);
+
+ i = mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET, 0);
+ if (i < 0) {
+ printk("%s: Timeout waiting for the switch to reset.\n", dev->name);
+ return i;
+ }
+
+ /* set the ATU flags */
+ w16(pdev, MV_SWITCHREG(ATU_CTRL),
+ MV_ATUCTL_NO_LEARN |
+ MV_ATUCTL_ATU_1K |
+ MV_ATUCTL_AGETIME(MV_ATUCTL_AGETIME_MIN) /* minimum without disabling ageing */
+ );
+
+ /* initialize the cpu port */
+ w16(pdev, MV_PORTREG(CONTROL, MV_CPUPORT),
+#ifdef HEADER_MODE
+ MV_PORTCTRL_HEADER |
+#else
+ MV_PORTCTRL_RXTR |
+ MV_PORTCTRL_TXTR |
+#endif
+ MV_PORTCTRL_ENABLED
+ );
+ /* wait for the phy change to settle in */
+ msleep(2);
+ for (i = 0; i < MV_PORTS; i++) {
+ u8 pvid = 0;
+ int j;
+
+ vlmap = 0;
+
+ /* look for the matching vlan */
+ for (j = 0; j < ARRAY_SIZE(priv->vlans); j++) {
+ if (priv->vlans[j] & (1 << i)) {
+ vlmap = priv->vlans[j];
+ pvid = j;
+ }
+ }
+ /* leave port unconfigured if it's not part of a vlan */
+ if (!vlmap)
+ continue;
+
+ /* add the cpu port to the allowed destinations list */
+ vlmap |= (1 << MV_CPUPORT);
+
+ /* take port out of its own vlan destination map */
+ vlmap &= ~(1 << i);
+
+ /* apply vlan settings */
+ w16(pdev, MV_PORTREG(VLANMAP, i),
+ MV_PORTVLAN_PORTS(vlmap) |
+ MV_PORTVLAN_ID(i)
+ );
+
+ /* re-enable port */
+ w16(pdev, MV_PORTREG(CONTROL, i),
+ MV_PORTCTRL_ENABLED
+ );
+ }
+
+ w16(pdev, MV_PORTREG(VLANMAP, MV_CPUPORT),
+ MV_PORTVLAN_ID(MV_CPUPORT)
+ );
+
+ /* set the port association vector */
+ for (i = 0; i <= MV_PORTS; i++) {
+ w16(pdev, MV_PORTREG(ASSOC, i),
+ MV_PORTASSOC_PORTS(1 << i)
+ );
+ }
+
+ /* init switch control */
+ w16(pdev, MV_SWITCHREG(CTRL),
+ MV_SWITCHCTL_MSIZE |
+ MV_SWITCHCTL_DROP
+ );
+
+ /* hook into the tx function */
+ priv->hardstart = dev->hard_start_xmit;
+ pdev->netif_receive_skb = mvswitch_netif_receive_skb;
+ pdev->netif_rx = mvswitch_netif_rx;
+ dev->hard_start_xmit = mvswitch_mangle_tx;
+ dev->vlan_rx_register = mvswitch_vlan_rx_register;
+#ifdef HEADER_MODE
+ dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX;
+#else
+ dev->features |= NETIF_F_HW_VLAN_RX;
+#endif
+
+ return 0;
+}
+
+static int
+mvswitch_read_status(struct phy_device *pdev)
+{
+ pdev->speed = SPEED_100;
+ pdev->duplex = DUPLEX_FULL;
+ pdev->state = PHY_UP;
+
+ /* XXX ugly workaround: we can't force the switch
+ * to gracefully handle hosts moving from one port to another,
+ * so we have to regularly clear the ATU database */
+
+ /* wait for the ATU to become available */
+ mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0);
+
+ /* flush the ATU */
+ w16(pdev, MV_SWITCHREG(ATU_OP),
+ MV_ATUOP_INPROGRESS |
+ MV_ATUOP_FLUSH_ALL
+ );
+
+ /* wait for operation to complete */
+ mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0);
+
+ return 0;
+}
+
+static int
+mvswitch_config_aneg(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static void
+mvswitch_remove(struct phy_device *pdev)
+{
+ struct mvswitch_priv *priv = to_mvsw(pdev);
+ struct net_device *dev = pdev->attached_dev;
+
+ /* restore old xmit handler */
+ if (priv->hardstart && dev)
+ dev->hard_start_xmit = priv->hardstart;
+ dev->vlan_rx_register = NULL;
+ dev->vlan_rx_kill_vid = NULL;
+ dev->phy_ptr = NULL;
+ dev->features &= ~NETIF_F_HW_VLAN_RX;
+ kfree(priv);
+}
+
+static bool
+mvswitch_detect(struct mii_bus *bus, int addr)
+{
+ u16 reg;
+ int i;
+
+ /* we attach to phy id 31 to make sure that the late probe works */
+ if (addr != 31)
+ return false;
+
+ /* look for the switch on the bus */
+ reg = bus->read(bus, MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
+ if (reg != MV_IDENT_VALUE)
+ return false;
+
+ /*
+ * Now that we've established that the switch actually exists, let's
+ * get rid of the competition :)
+ */
+ for (i = 0; i < 31; i++) {
+ if (!bus->phy_map[i])
+ continue;
+
+ device_unregister(&bus->phy_map[i]->dev);
+ kfree(bus->phy_map[i]);
+ bus->phy_map[i] = NULL;
+ }
+
+ return true;
+}
+
+static int
+mvswitch_probe(struct phy_device *pdev)
+{
+ struct mvswitch_priv *priv;
+
+ priv = kzalloc(sizeof(struct mvswitch_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
+ pdev->priv = priv;
+
+ return 0;
+}
+
+
+static struct phy_driver mvswitch_driver = {
+ .name = "Marvell 88E6060",
+ .features = PHY_BASIC_FEATURES,
+ .detect = &mvswitch_detect,
+ .probe = &mvswitch_probe,
+ .remove = &mvswitch_remove,
+ .config_init = &mvswitch_config_init,
+ .config_aneg = &mvswitch_config_aneg,
+ .read_status = &mvswitch_read_status,
+ .driver = { .owner = THIS_MODULE,},
+};
+
+static int __init
+mvswitch_init(void)
+{
+ return phy_driver_register(&mvswitch_driver);
+}
+
+static void __exit
+mvswitch_exit(void)
+{
+ phy_driver_unregister(&mvswitch_driver);
+}
+
+module_init(mvswitch_init);
+module_exit(mvswitch_exit);
--- /dev/null
+/*
+ * Marvell 88E6060 switch driver
+ * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation
+ */
+#ifndef __MVSWITCH_H
+#define __MVSWITCH_H
+
+#define MV_HEADER_SIZE 2
+#define MV_HEADER_PORTS_M 0x001f
+#define MV_HEADER_PORTS_S 0
+#define MV_HEADER_VLAN_M 0xf000
+#define MV_HEADER_VLAN_S 12
+
+#define MV_TRAILER_SIZE 4
+#define MV_TRAILER_PORTS_M 0x1f
+#define MV_TRAILER_PORTS_S 16
+#define MV_TRAILER_FLAGS_S 24
+#define MV_TRAILER_OVERRIDE 0x80
+
+
+#define MV_PORTS 5
+#define MV_WANPORT 4
+#define MV_CPUPORT 5
+
+#define MV_BASE 0x10
+
+#define MV_PHYPORT_BASE (MV_BASE + 0x0)
+#define MV_PHYPORT(_n) (MV_PHYPORT_BASE + (_n))
+#define MV_SWITCHPORT_BASE (MV_BASE + 0x8)
+#define MV_SWITCHPORT(_n) (MV_SWITCHPORT_BASE + (_n))
+#define MV_SWITCHREGS (MV_BASE + 0xf)
+
+enum {
+ MV_PHY_CONTROL = 0x00,
+ MV_PHY_STATUS = 0x01,
+ MV_PHY_IDENT0 = 0x02,
+ MV_PHY_IDENT1 = 0x03,
+ MV_PHY_ANEG = 0x04,
+ MV_PHY_LINK_ABILITY = 0x05,
+ MV_PHY_ANEG_EXPAND = 0x06,
+ MV_PHY_XMIT_NEXTP = 0x07,
+ MV_PHY_LINK_NEXTP = 0x08,
+ MV_PHY_CONTROL1 = 0x10,
+ MV_PHY_STATUS1 = 0x11,
+ MV_PHY_INTR_EN = 0x12,
+ MV_PHY_INTR_STATUS = 0x13,
+ MV_PHY_INTR_PORT = 0x14,
+ MV_PHY_RECV_COUNTER = 0x16,
+ MV_PHY_LED_PARALLEL = 0x16,
+ MV_PHY_LED_STREAM = 0x17,
+ MV_PHY_LED_CTRL = 0x18,
+ MV_PHY_LED_OVERRIDE = 0x19,
+ MV_PHY_VCT_CTRL = 0x1a,
+ MV_PHY_VCT_STATUS = 0x1b,
+ MV_PHY_CONTROL2 = 0x1e
+};
+#define MV_PHYREG(_type, _port) MV_PHYPORT(_port), MV_PHY_##_type
+
+enum {
+ MV_PORT_STATUS = 0x00,
+ MV_PORT_IDENT = 0x03,
+ MV_PORT_CONTROL = 0x04,
+ MV_PORT_VLANMAP = 0x06,
+ MV_PORT_ASSOC = 0x0b,
+ MV_PORT_RXCOUNT = 0x10,
+ MV_PORT_TXCOUNT = 0x11,
+};
+#define MV_PORTREG(_type, _port) MV_SWITCHPORT(_port), MV_PORT_##_type
+
+enum {
+ MV_PORTCTRL_BLOCK = (1 << 0),
+ MV_PORTCTRL_LEARN = (2 << 0),
+ MV_PORTCTRL_ENABLED = (3 << 0),
+ MV_PORTCTRL_VLANTUN = (1 << 7), /* Enforce VLANs on packets */
+ MV_PORTCTRL_RXTR = (1 << 8), /* Enable Marvell packet trailer for ingress */
+ MV_PORTCTRL_HEADER = (1 << 11), /* Enable Marvell packet header mode for port */
+ MV_PORTCTRL_TXTR = (1 << 14), /* Enable Marvell packet trailer for egress */
+ MV_PORTCTRL_FORCEFL = (1 << 15), /* force flow control */
+};
+
+#define MV_PORTVLAN_ID(_n) (((_n) & 0xf) << 12)
+#define MV_PORTVLAN_PORTS(_n) ((_n) & 0x3f)
+
+#define MV_PORTASSOC_PORTS(_n) ((_n) & 0x1f)
+#define MV_PORTASSOC_MONITOR (1 << 15)
+
+enum {
+ MV_SWITCH_MAC0 = 0x01,
+ MV_SWITCH_MAC1 = 0x02,
+ MV_SWITCH_MAC2 = 0x03,
+ MV_SWITCH_CTRL = 0x04,
+ MV_SWITCH_ATU_CTRL = 0x0a,
+ MV_SWITCH_ATU_OP = 0x0b,
+ MV_SWITCH_ATU_DATA = 0x0c,
+ MV_SWITCH_ATU_MAC0 = 0x0d,
+ MV_SWITCH_ATU_MAC1 = 0x0e,
+ MV_SWITCH_ATU_MAC2 = 0x0f,
+};
+#define MV_SWITCHREG(_type) MV_SWITCHREGS, MV_SWITCH_##_type
+
+enum {
+ MV_SWITCHCTL_EEIE = (1 << 0), /* EEPROM interrupt enable */
+ MV_SWITCHCTL_PHYIE = (1 << 1), /* PHY interrupt enable */
+ MV_SWITCHCTL_ATUDONE= (1 << 2), /* ATU done interrupt enable */
+ MV_SWITCHCTL_ATUIE = (1 << 3), /* ATU interrupt enable */
+ MV_SWITCHCTL_CTRMODE= (1 << 8), /* statistics for rx and tx errors */
+ MV_SWITCHCTL_RELOAD = (1 << 9), /* reload registers from eeprom */
+ MV_SWITCHCTL_MSIZE = (1 << 10), /* increase maximum frame size */
+ MV_SWITCHCTL_DROP = (1 << 13), /* discard frames with excessive collisions */
+};
+
+enum {
+#define MV_ATUCTL_AGETIME_MIN 16
+#define MV_ATUCTL_AGETIME_MAX 4080
+#define MV_ATUCTL_AGETIME(_n) ((((_n) / 16) & 0xff) << 4)
+ MV_ATUCTL_ATU_256 = (0 << 12),
+ MV_ATUCTL_ATU_512 = (1 << 12),
+ MV_ATUCTL_ATU_1K = (2 << 12),
+ MV_ATUCTL_ATUMASK = (3 << 12),
+ MV_ATUCTL_NO_LEARN = (1 << 14),
+ MV_ATUCTL_RESET = (1 << 15),
+};
+
+enum {
+#define MV_ATUOP_DBNUM(_n) ((_n) & 0x0f)
+
+ MV_ATUOP_NOOP = (0 << 12),
+ MV_ATUOP_FLUSH_ALL = (1 << 12),
+ MV_ATUOP_FLUSH_U = (2 << 12),
+ MV_ATUOP_LOAD_DB = (3 << 12),
+ MV_ATUOP_GET_NEXT = (4 << 12),
+ MV_ATUOP_FLUSH_DB = (5 << 12),
+ MV_ATUOP_FLUSH_DB_UU= (6 << 12),
+
+ MV_ATUOP_INPROGRESS = (1 << 15),
+};
+
+#define MV_IDENT_MASK 0xfff0
+#define MV_IDENT_VALUE 0x0600
+
+#endif
--- /dev/null
+/*
+ * Bitbanging SPI bus driver using GPIO API
+ *
+ * Copyright (c) 2008 Piotr Skamruk
+ * Copyright (c) 2008 Michael Buesch
+ *
+ * based on spi_s3c2410_gpio.c
+ * Copyright (c) 2006 Ben Dooks
+ * Copyright (c) 2006 Simtec Electronics
+ * and on i2c-gpio.c
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include "linux/spi/spi_gpio.h" //XXX
+#include <asm/gpio.h>
+
+
+struct spi_gpio {
+ struct spi_bitbang bitbang;
+ struct spi_gpio_platform_data *info;
+ struct platform_device *pdev;
+ struct spi_board_info bi;
+};
+
+
+static inline struct spi_gpio *spidev_to_sg(struct spi_device *dev)
+{
+ return dev->controller_data;
+}
+
+static inline void setsck(struct spi_device *dev, int val)
+{
+ struct spi_gpio *sp = spidev_to_sg(dev);
+ gpio_set_value(sp->info->pin_clk, val ? 1 : 0);
+}
+
+static inline void setmosi(struct spi_device *dev, int val )
+{
+ struct spi_gpio *sp = spidev_to_sg(dev);
+ gpio_set_value(sp->info->pin_mosi, val ? 1 : 0);
+}
+
+static inline u32 getmiso(struct spi_device *dev)
+{
+ struct spi_gpio *sp = spidev_to_sg(dev);
+ return gpio_get_value(sp->info->pin_miso) ? 1 : 0;
+}
+
+static inline void do_spidelay(struct spi_device *dev, unsigned nsecs)
+{
+ struct spi_gpio *sp = spidev_to_sg(dev);
+
+ if (!sp->info->no_spi_delay)
+ ndelay(nsecs);
+}
+
+#define spidelay(nsecs) do { \
+ /* Steal the spi_device pointer from our caller. \
+ * The bitbang-API should probably get fixed here... */ \
+ do_spidelay(spi, nsecs); \
+ } while (0)
+
+#define EXPAND_BITBANG_TXRX
+#include <linux/spi/spi_bitbang.h>
+
+static u32 spi_gpio_txrx_mode0(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha0(spi, nsecs, 0, word, bits);
+}
+
+static u32 spi_gpio_txrx_mode1(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, bits);
+}
+
+static u32 spi_gpio_txrx_mode2(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha0(spi, nsecs, 1, word, bits);
+}
+
+static u32 spi_gpio_txrx_mode3(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha1(spi, nsecs, 1, word, bits);
+}
+
+static void spi_gpio_chipselect(struct spi_device *dev, int on)
+{
+ struct spi_gpio *sp = spidev_to_sg(dev);
+
+ if (sp->info->cs_activelow)
+ on = !on;
+ gpio_set_value(sp->info->pin_cs, on ? 1 : 0);
+}
+
+static int spi_gpio_probe(struct platform_device *pdev)
+{
+ struct spi_master *master;
+ struct spi_gpio_platform_data *pdata;
+ struct spi_gpio *sp;
+ struct spi_device *spidev;
+ int err;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata)
+ return -ENXIO;
+
+ err = -ENOMEM;
+ master = spi_alloc_master(&pdev->dev, sizeof(struct spi_gpio));
+ if (!master)
+ goto err_alloc_master;
+
+ sp = spi_master_get_devdata(master);
+ platform_set_drvdata(pdev, sp);
+ sp->info = pdata;
+
+ err = gpio_request(pdata->pin_clk, "spi_clock");
+ if (err)
+ goto err_request_clk;
+ err = gpio_request(pdata->pin_mosi, "spi_mosi");
+ if (err)
+ goto err_request_mosi;
+ err = gpio_request(pdata->pin_miso, "spi_miso");
+ if (err)
+ goto err_request_miso;
+ err = gpio_request(pdata->pin_cs, "spi_cs");
+ if (err)
+ goto err_request_cs;
+
+ sp->bitbang.master = spi_master_get(master);
+ sp->bitbang.master->bus_num = -1;
+ sp->bitbang.master->num_chipselect = 1;
+ sp->bitbang.chipselect = spi_gpio_chipselect;
+ sp->bitbang.txrx_word[SPI_MODE_0] = spi_gpio_txrx_mode0;
+ sp->bitbang.txrx_word[SPI_MODE_1] = spi_gpio_txrx_mode1;
+ sp->bitbang.txrx_word[SPI_MODE_2] = spi_gpio_txrx_mode2;
+ sp->bitbang.txrx_word[SPI_MODE_3] = spi_gpio_txrx_mode3;
+
+ gpio_direction_output(pdata->pin_clk, 0);
+ gpio_direction_output(pdata->pin_mosi, 0);
+ gpio_direction_output(pdata->pin_cs,
+ pdata->cs_activelow ? 1 : 0);
+ gpio_direction_input(pdata->pin_miso);
+
+ err = spi_bitbang_start(&sp->bitbang);
+ if (err)
+ goto err_no_bitbang;
+ err = pdata->boardinfo_setup(&sp->bi, master,
+ pdata->boardinfo_setup_data);
+ if (err)
+ goto err_bi_setup;
+ sp->bi.controller_data = sp;
+ spidev = spi_new_device(master, &sp->bi);
+ if (!spidev)
+ goto err_new_dev;
+
+ return 0;
+
+err_new_dev:
+err_bi_setup:
+ spi_bitbang_stop(&sp->bitbang);
+err_no_bitbang:
+ spi_master_put(sp->bitbang.master);
+ gpio_free(pdata->pin_cs);
+err_request_cs:
+ gpio_free(pdata->pin_miso);
+err_request_miso:
+ gpio_free(pdata->pin_mosi);
+err_request_mosi:
+ gpio_free(pdata->pin_clk);
+err_request_clk:
+ kfree(master);
+
+err_alloc_master:
+ return err;
+}
+
+static int __devexit spi_gpio_remove(struct platform_device *pdev)
+{
+ struct spi_gpio *sp;
+ struct spi_gpio_platform_data *pdata;
+
+ pdata = pdev->dev.platform_data;
+ sp = platform_get_drvdata(pdev);
+
+ gpio_free(pdata->pin_clk);
+ gpio_free(pdata->pin_mosi);
+ gpio_free(pdata->pin_miso);
+ gpio_free(pdata->pin_cs);
+ spi_bitbang_stop(&sp->bitbang);
+ spi_master_put(sp->bitbang.master);
+
+ return 0;
+}
+
+static struct platform_driver spi_gpio_driver = {
+ .driver = {
+ .name = "spi-gpio",
+ .owner = THIS_MODULE,
+ },
+ .probe = spi_gpio_probe,
+ .remove = __devexit_p(spi_gpio_remove),
+};
+
+static int __init spi_gpio_init(void)
+{
+ int err;
+
+ err = platform_driver_register(&spi_gpio_driver);
+ if (err)
+ printk(KERN_ERR "spi-gpio: register failed: %d\n", err);
+
+ return err;
+}
+module_init(spi_gpio_init);
+
+static void __exit spi_gpio_exit(void)
+{
+ platform_driver_unregister(&spi_gpio_driver);
+}
+module_exit(spi_gpio_exit);
+
+MODULE_AUTHOR("Piot Skamruk <piotr.skamruk at gmail.com>");
+MODULE_AUTHOR("Michael Buesch");
+MODULE_DESCRIPTION("Platform independent GPIO bitbangling SPI driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+menu "Sonics Silicon Backplane"
+
+config SSB_POSSIBLE
+ bool
+ depends on HAS_IOMEM
+ default y
+
+config SSB
+ tristate "Sonics Silicon Backplane support"
+ depends on SSB_POSSIBLE
+ help
+ Support for the Sonics Silicon Backplane bus.
+ You only need to enable this option, if you are
+ configuring a kernel for an embedded system with
+ this bus.
+ It will be auto-selected if needed in other
+ environments.
+
+ The module will be called ssb.
+
+ If unsure, say N.
+
+config SSB_PCIHOST_POSSIBLE
+ bool
+ depends on SSB && (PCI = y || PCI = SSB)
+ default y
+
+config SSB_PCIHOST
+ bool "Support for SSB on PCI-bus host"
+ depends on SSB_PCIHOST_POSSIBLE
+ default y
+ help
+ Support for a Sonics Silicon Backplane on top
+ of a PCI device.
+
+ If unsure, say Y
+
+config SSB_PCMCIAHOST_POSSIBLE
+ bool
+ depends on SSB && (PCMCIA = y || PCMCIA = SSB) && EXPERIMENTAL
+ default y
+
+config SSB_PCMCIAHOST
+ bool "Support for SSB on PCMCIA-bus host (EXPERIMENTAL)"
+ depends on SSB_PCMCIAHOST_POSSIBLE
+ help
+ Support for a Sonics Silicon Backplane on top
+ of a PCMCIA device.
+
+ If unsure, say N
+
+config SSB_SILENT
+ bool "No SSB kernel messages"
+ depends on SSB && EMBEDDED
+ help
+ This option turns off all Sonics Silicon Backplane printks.
+ Note that you won't be able to identify problems, once
+ messages are turned off.
+ This might only be desired for production kernels on
+ embedded devices to reduce the kernel size.
+
+ Say N
+
+config SSB_DEBUG
+ bool "SSB debugging"
+ depends on SSB && !SSB_SILENT
+ help
+ This turns on additional runtime checks and debugging
+ messages. Turn this on for SSB troubleshooting.
+
+ If unsure, say N
+
+config SSB_SERIAL
+ bool
+ depends on SSB
+ # ChipCommon and ExtIf serial support routines.
+
+config SSB_DRIVER_PCICORE_POSSIBLE
+ bool
+ depends on SSB_PCIHOST
+ default y
+
+config SSB_DRIVER_PCICORE
+ bool "SSB PCI core driver"
+ depends on SSB_DRIVER_PCICORE_POSSIBLE
+ help
+ Driver for the Sonics Silicon Backplane attached
+ Broadcom PCI core.
+
+ If unsure, say Y
+
+config SSB_PCICORE_HOSTMODE
+ bool "Hostmode support for SSB PCI core (EXPERIMENTAL)"
+ depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS && EXPERIMENTAL
+ help
+ PCIcore hostmode operation (external PCI bus).
+
+config SSB_DRIVER_MIPS
+ bool "SSB Broadcom MIPS core driver (EXPERIMENTAL)"
+ depends on SSB && MIPS && EXPERIMENTAL
+ select SSB_SERIAL
+ help
+ Driver for the Sonics Silicon Backplane attached
+ Broadcom MIPS core.
+
+ If unsure, say N
+
+config SSB_DRIVER_EXTIF
+ bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
+ depends on SSB_DRIVER_MIPS && EXPERIMENTAL
+ help
+ Driver for the Sonics Silicon Backplane attached
+ Broadcom EXTIF core.
+
+ If unsure, say N
+
+endmenu
--- /dev/null
+# core
+ssb-y += main.o scan.o
+
+# host support
+ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
+ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o
+
+# built-in drivers
+ssb-y += driver_chipcommon.o
+ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
+ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
+ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
+
+# b43 pci-ssb-bridge driver
+# Not strictly a part of SSB, but kept here for convenience
+ssb-$(CONFIG_SSB_PCIHOST) += b43_pci_bridge.o
+
+obj-$(CONFIG_SSB) += ssb.o
--- /dev/null
+/*
+ * Broadcom 43xx PCI-SSB bridge module
+ *
+ * This technically is a separate PCI driver module, but
+ * because of its small size we include it in the SSB core
+ * instead of creating a standalone module.
+ *
+ * Copyright 2007 Michael Buesch <mb@bu3sch.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
+
+#include "ssb_private.h"
+
+
+static const struct pci_device_id b43_pci_bridge_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4301) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4307) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4311) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4312) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4318) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4319) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4320) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4321) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4325) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4328) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4329) },
+ { 0, },
+};
+MODULE_DEVICE_TABLE(pci, b43_pci_bridge_tbl);
+
+static struct pci_driver b43_pci_bridge_driver = {
+ .name = "b43-pci-bridge",
+ .id_table = b43_pci_bridge_tbl,
+};
+
+
+int __init b43_pci_ssb_bridge_init(void)
+{
+ return ssb_pcihost_register(&b43_pci_bridge_driver);
+}
+
+void __exit b43_pci_ssb_bridge_exit(void)
+{
+ ssb_pcihost_unregister(&b43_pci_bridge_driver);
+}
--- /dev/null
+/*
+ * Sonics Silicon Backplane
+ * Broadcom ChipCommon core driver
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_regs.h>
+#include <linux/pci.h>
+
+#include "ssb_private.h"
+
+
+/* Clock sources */
+enum ssb_clksrc {
+ /* PCI clock */
+ SSB_CHIPCO_CLKSRC_PCI,
+ /* Crystal slow clock oscillator */
+ SSB_CHIPCO_CLKSRC_XTALOS,
+ /* Low power oscillator */
+ SSB_CHIPCO_CLKSRC_LOPWROS,
+};
+
+
+static inline u32 chipco_read32(struct ssb_chipcommon *cc,
+ u16 offset)
+{
+ return ssb_read32(cc->dev, offset);
+}
+
+static inline void chipco_write32(struct ssb_chipcommon *cc,
+ u16 offset,
+ u32 value)
+{
+ ssb_write32(cc->dev, offset, value);
+}
+
+static inline void chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset,
+ u32 mask, u32 value)
+{
+ value &= mask;
+ value |= chipco_read32(cc, offset) & ~mask;
+ chipco_write32(cc, offset, value);
+}
+
+void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
+ enum ssb_clkmode mode)
+{
+ struct ssb_device *ccdev = cc->dev;
+ struct ssb_bus *bus;
+ u32 tmp;
+
+ if (!ccdev)
+ return;
+ bus = ccdev->bus;
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (ccdev->id.revision < 6)
+ return;
+ /* chipcommon cores rev10 are a whole new ball game */
+ if (ccdev->id.revision >= 10)
+ return;
+ if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
+ return;
+
+ switch (mode) {
+ case SSB_CLKMODE_SLOW:
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+ break;
+ case SSB_CLKMODE_FAST:
+ ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+ tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL;
+ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+ break;
+ case SSB_CLKMODE_DYNAMIC:
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL;
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
+ if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL)
+ tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
+ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+
+ /* for dynamic control, we have to release our xtal_pu "force on" */
+ if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL)
+ ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0);
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+}
+
+/* Get the Slow Clock Source */
+static enum ssb_clksrc chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ u32 uninitialized_var(tmp);
+
+ if (cc->dev->id.revision < 6) {
+ if (bus->bustype == SSB_BUSTYPE_SSB ||
+ bus->bustype == SSB_BUSTYPE_PCMCIA)
+ return SSB_CHIPCO_CLKSRC_XTALOS;
+ if (bus->bustype == SSB_BUSTYPE_PCI) {
+ pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &tmp);
+ if (tmp & 0x10)
+ return SSB_CHIPCO_CLKSRC_PCI;
+ return SSB_CHIPCO_CLKSRC_XTALOS;
+ }
+ }
+ if (cc->dev->id.revision < 10) {
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp &= 0x7;
+ if (tmp == 0)
+ return SSB_CHIPCO_CLKSRC_LOPWROS;
+ if (tmp == 1)
+ return SSB_CHIPCO_CLKSRC_XTALOS;
+ if (tmp == 2)
+ return SSB_CHIPCO_CLKSRC_PCI;
+ }
+
+ return SSB_CHIPCO_CLKSRC_XTALOS;
+}
+
+/* Get maximum or minimum (depending on get_max flag) slowclock frequency. */
+static int chipco_pctl_clockfreqlimit(struct ssb_chipcommon *cc, int get_max)
+{
+ int uninitialized_var(limit);
+ enum ssb_clksrc clocksrc;
+ int divisor = 1;
+ u32 tmp;
+
+ clocksrc = chipco_pctl_get_slowclksrc(cc);
+ if (cc->dev->id.revision < 6) {
+ switch (clocksrc) {
+ case SSB_CHIPCO_CLKSRC_PCI:
+ divisor = 64;
+ break;
+ case SSB_CHIPCO_CLKSRC_XTALOS:
+ divisor = 32;
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+ } else if (cc->dev->id.revision < 10) {
+ switch (clocksrc) {
+ case SSB_CHIPCO_CLKSRC_LOPWROS:
+ break;
+ case SSB_CHIPCO_CLKSRC_XTALOS:
+ case SSB_CHIPCO_CLKSRC_PCI:
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ divisor = (tmp >> 16) + 1;
+ divisor *= 4;
+ break;
+ }
+ } else {
+ tmp = chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL);
+ divisor = (tmp >> 16) + 1;
+ divisor *= 4;
+ }
+
+ switch (clocksrc) {
+ case SSB_CHIPCO_CLKSRC_LOPWROS:
+ if (get_max)
+ limit = 43000;
+ else
+ limit = 25000;
+ break;
+ case SSB_CHIPCO_CLKSRC_XTALOS:
+ if (get_max)
+ limit = 20200000;
+ else
+ limit = 19800000;
+ break;
+ case SSB_CHIPCO_CLKSRC_PCI:
+ if (get_max)
+ limit = 34000000;
+ else
+ limit = 25000000;
+ break;
+ }
+ limit /= divisor;
+
+ return limit;
+}
+
+static void chipco_powercontrol_init(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ if (bus->chip_id == 0x4321) {
+ if (bus->chip_rev == 0)
+ chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0x3A4);
+ else if (bus->chip_rev == 1)
+ chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0xA4);
+ }
+
+ if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
+ return;
+
+ if (cc->dev->id.revision >= 10) {
+ /* Set Idle Power clock rate to 1Mhz */
+ chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL,
+ (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) &
+ 0x0000FFFF) | 0x00040000);
+ } else {
+ int maxfreq;
+
+ maxfreq = chipco_pctl_clockfreqlimit(cc, 1);
+ chipco_write32(cc, SSB_CHIPCO_PLLONDELAY,
+ (maxfreq * 150 + 999999) / 1000000);
+ chipco_write32(cc, SSB_CHIPCO_FREFSELDELAY,
+ (maxfreq * 15 + 999999) / 1000000);
+ }
+}
+
+static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ int minfreq;
+ unsigned int tmp;
+ u32 pll_on_delay;
+
+ if (bus->bustype != SSB_BUSTYPE_PCI)
+ return;
+ if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
+ return;
+
+ minfreq = chipco_pctl_clockfreqlimit(cc, 0);
+ pll_on_delay = chipco_read32(cc, SSB_CHIPCO_PLLONDELAY);
+ tmp = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq;
+ SSB_WARN_ON(tmp & ~0xFFFF);
+
+ cc->fast_pwrup_delay = tmp;
+}
+
+void ssb_chipcommon_init(struct ssb_chipcommon *cc)
+{
+ if (!cc->dev)
+ return; /* We don't have a ChipCommon */
+ chipco_powercontrol_init(cc);
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
+ calc_fast_powerup_delay(cc);
+}
+
+void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state)
+{
+ if (!cc->dev)
+ return;
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW);
+}
+
+void ssb_chipco_resume(struct ssb_chipcommon *cc)
+{
+ if (!cc->dev)
+ return;
+ chipco_powercontrol_init(cc);
+ ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
+}
+
+/* Get the processor clock */
+void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m)
+{
+ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
+ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
+ switch (*plltype) {
+ case SSB_PLLTYPE_2:
+ case SSB_PLLTYPE_4:
+ case SSB_PLLTYPE_6:
+ case SSB_PLLTYPE_7:
+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS);
+ break;
+ case SSB_PLLTYPE_3:
+ /* 5350 uses m2 to control mips */
+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2);
+ break;
+ default:
+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB);
+ break;
+ }
+}
+
+/* Get the bus clock */
+void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc,
+ u32 *plltype, u32 *n, u32 *m)
+{
+ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N);
+ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
+ switch (*plltype) {
+ case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */
+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS);
+ break;
+ case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */
+ if (cc->dev->bus->chip_id != 0x5365) {
+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2);
+ break;
+ }
+ /* Fallthough */
+ default:
+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB);
+ }
+}
+
+void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
+ unsigned long ns)
+{
+ struct ssb_device *dev = cc->dev;
+ struct ssb_bus *bus = dev->bus;
+ u32 tmp;
+
+ /* set register for external IO to control LED. */
+ chipco_write32(cc, SSB_CHIPCO_PROG_CFG, 0x11);
+ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */
+ tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 40ns */
+ tmp |= DIV_ROUND_UP(240, ns); /* Waitcount-0 = 240ns */
+ chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */
+
+ /* Set timing for the flash */
+ tmp = DIV_ROUND_UP(10, ns) << SSB_FLASH_WCNT_3_SHIFT; /* Waitcount-3 = 10nS */
+ tmp |= DIV_ROUND_UP(10, ns) << SSB_FLASH_WCNT_1_SHIFT; /* Waitcount-1 = 10nS */
+ tmp |= DIV_ROUND_UP(120, ns); /* Waitcount-0 = 120nS */
+ if ((bus->chip_id == 0x5365) ||
+ (dev->id.revision < 9))
+ chipco_write32(cc, SSB_CHIPCO_FLASH_WAITCNT, tmp);
+ if ((bus->chip_id == 0x5365) ||
+ (dev->id.revision < 9) ||
+ ((bus->chip_id == 0x5350) && (bus->chip_rev == 0)))
+ chipco_write32(cc, SSB_CHIPCO_PCMCIA_MEMWAIT, tmp);
+
+ if (bus->chip_id == 0x5350) {
+ /* Enable EXTIF */
+ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */
+ tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; /* Waitcount-2 = 20ns */
+ tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 100ns */
+ tmp |= DIV_ROUND_UP(120, ns); /* Waitcount-0 = 120ns */
+ chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */
+ }
+}
+
+/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
+void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks)
+{
+ /* instant NMI */
+ chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
+}
+
+u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask)
+{
+ return chipco_read32(cc, SSB_CHIPCO_GPIOIN) & mask;
+}
+
+void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+}
+
+void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+}
+
+#ifdef CONFIG_SSB_SERIAL
+int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
+ struct ssb_serial_port *ports)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ int nr_ports = 0;
+ u32 plltype;
+ unsigned int irq;
+ u32 baud_base, div;
+ u32 i, n;
+
+ plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
+ irq = ssb_mips_irq(cc->dev);
+
+ if (plltype == SSB_PLLTYPE_1) {
+ /* PLL clock */
+ baud_base = ssb_calc_clock_rate(plltype,
+ chipco_read32(cc, SSB_CHIPCO_CLOCK_N),
+ chipco_read32(cc, SSB_CHIPCO_CLOCK_M2));
+ div = 1;
+ } else {
+ if (cc->dev->id.revision >= 11) {
+ /* Fixed ALP clock */
+ baud_base = 20000000;
+ div = 1;
+ /* Set the override bit so we don't divide it */
+ chipco_write32(cc, SSB_CHIPCO_CORECTL,
+ SSB_CHIPCO_CORECTL_UARTCLK0);
+ } else if (cc->dev->id.revision >= 3) {
+ /* Internal backplane clock */
+ baud_base = ssb_clockspeed(bus);
+ div = chipco_read32(cc, SSB_CHIPCO_CLKDIV)
+ & SSB_CHIPCO_CLKDIV_UART;
+ } else {
+ /* Fixed internal backplane clock */
+ baud_base = 88000000;
+ div = 48;
+ }
+
+ /* Clock source depends on strapping if UartClkOverride is unset */
+ if ((cc->dev->id.revision > 0) &&
+ !(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) {
+ if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) ==
+ SSB_CHIPCO_CAP_UARTCLK_INT) {
+ /* Internal divided backplane clock */
+ baud_base /= div;
+ } else {
+ /* Assume external clock of 1.8432 MHz */
+ baud_base = 1843200;
+ }
+ }
+ }
+
+ /* Determine the registers of the UARTs */
+ n = (cc->capabilities & SSB_CHIPCO_CAP_NRUART);
+ for (i = 0; i < n; i++) {
+ void __iomem *cc_mmio;
+ void __iomem *uart_regs;
+
+ cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE);
+ uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA;
+ /* Offset changed at after rev 0 */
+ if (cc->dev->id.revision == 0)
+ uart_regs += (i * 8);
+ else
+ uart_regs += (i * 256);
+
+ nr_ports++;
+ ports[i].regs = uart_regs;
+ ports[i].irq = irq;
+ ports[i].baud_base = baud_base;
+ ports[i].reg_shift = 0;
+ }
+
+ return nr_ports;
+}
+#endif /* CONFIG_SSB_SERIAL */
--- /dev/null
+/*
+ * Sonics Silicon Backplane
+ * Broadcom EXTIF core driver
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org>
+ * Copyright 2007, Aurelien Jarno <aurelien@aurel32.net>
+ *
+ * Licensed under the
projects / openwrt / svn-archive / archive.git / commitdiff