--- /dev/null
+CFE is the only supported and used bootloader on the SiByte boards,
+the standalone kernel support has been never used outside Broadcom.
+Remove it and make the kernel use CFE by default.
+
+Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
+
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -167,7 +167,6 @@ libs-$(CONFIG_ARC) += arch/mips/fw/arc/
+ libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
+ libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
+ libs-y += arch/mips/fw/lib/
+-libs-$(CONFIG_SIBYTE_CFE) += arch/mips/sibyte/cfe/
+
+ #
+ # Board-dependent options and extra files
+--- a/arch/mips/sibyte/cfe/console.c
++++ /dev/null
+@@ -1,79 +0,0 @@
+-#include <linux/init.h>
+-#include <linux/errno.h>
+-#include <linux/console.h>
+-
+-#include <asm/sibyte/board.h>
+-
+-#include <asm/fw/cfe/cfe_api.h>
+-#include <asm/fw/cfe/cfe_error.h>
+-
+-extern int cfe_cons_handle;
+-
+-static void cfe_console_write(struct console *cons, const char *str,
+- unsigned int count)
+-{
+- int i, last, written;
+-
+- for (i=0, last=0; i<count; i++) {
+- if (!str[i])
+- /* XXXKW can/should this ever happen? */
+- return;
+- if (str[i] == '\n') {
+- do {
+- written = cfe_write(cfe_cons_handle, &str[last], i-last);
+- if (written < 0)
+- ;
+- last += written;
+- } while (last < i);
+- while (cfe_write(cfe_cons_handle, "\r", 1) <= 0)
+- ;
+- }
+- }
+- if (last != count) {
+- do {
+- written = cfe_write(cfe_cons_handle, &str[last], count-last);
+- if (written < 0)
+- ;
+- last += written;
+- } while (last < count);
+- }
+-
+-}
+-
+-static int cfe_console_setup(struct console *cons, char *str)
+-{
+- char consdev[32];
+- /* XXXKW think about interaction with 'console=' cmdline arg */
+- /* If none of the console options are configured, the build will break. */
+- if (cfe_getenv("BOOT_CONSOLE", consdev, 32) >= 0) {
+-#ifdef CONFIG_SERIAL_SB1250_DUART
+- if (!strcmp(consdev, "uart0")) {
+- setleds("u0cn");
+- } else if (!strcmp(consdev, "uart1")) {
+- setleds("u1cn");
+-#endif
+-#ifdef CONFIG_VGA_CONSOLE
+- } else if (!strcmp(consdev, "pcconsole0")) {
+- setleds("pccn");
+-#endif
+- } else
+- return -ENODEV;
+- }
+- return 0;
+-}
+-
+-static struct console sb1250_cfe_cons = {
+- .name = "cfe",
+- .write = cfe_console_write,
+- .setup = cfe_console_setup,
+- .flags = CON_PRINTBUFFER,
+- .index = -1,
+-};
+-
+-static int __init sb1250_cfe_console_init(void)
+-{
+- register_console(&sb1250_cfe_cons);
+- return 0;
+-}
+-
+-console_initcall(sb1250_cfe_console_init);
+--- a/arch/mips/sibyte/cfe/Makefile
++++ /dev/null
+@@ -1,2 +0,0 @@
+-lib-y = setup.o
+-lib-$(CONFIG_SIBYTE_CFE_CONSOLE) += console.o
+--- a/arch/mips/sibyte/cfe/setup.c
++++ /dev/null
+@@ -1,350 +0,0 @@
+-/*
+- * Copyright (C) 2000, 2001, 2002, 2003 Broadcom Corporation
+- *
+- * 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, MA 02111-1307, USA.
+- */
+-
+-#include <linux/init.h>
+-#include <linux/kernel.h>
+-#include <linux/linkage.h>
+-#include <linux/mm.h>
+-#include <linux/blkdev.h>
+-#include <linux/bootmem.h>
+-#include <linux/pm.h>
+-#include <linux/smp.h>
+-
+-#include <asm/bootinfo.h>
+-#include <asm/reboot.h>
+-#include <asm/sibyte/board.h>
+-#include <asm/smp-ops.h>
+-
+-#include <asm/fw/cfe/cfe_api.h>
+-#include <asm/fw/cfe/cfe_error.h>
+-
+-/* Max ram addressable in 32-bit segments */
+-#ifdef CONFIG_64BIT
+-#define MAX_RAM_SIZE (~0ULL)
+-#else
+-#ifdef CONFIG_HIGHMEM
+-#ifdef CONFIG_64BIT_PHYS_ADDR
+-#define MAX_RAM_SIZE (~0ULL)
+-#else
+-#define MAX_RAM_SIZE (0xffffffffULL)
+-#endif
+-#else
+-#define MAX_RAM_SIZE (0x1fffffffULL)
+-#endif
+-#endif
+-
+-#define SIBYTE_MAX_MEM_REGIONS 8
+-phys_t board_mem_region_addrs[SIBYTE_MAX_MEM_REGIONS];
+-phys_t board_mem_region_sizes[SIBYTE_MAX_MEM_REGIONS];
+-unsigned int board_mem_region_count;
+-
+-int cfe_cons_handle;
+-
+-#ifdef CONFIG_BLK_DEV_INITRD
+-extern unsigned long initrd_start, initrd_end;
+-#endif
+-
+-static void __noreturn cfe_linux_exit(void *arg)
+-{
+- int warm = *(int *)arg;
+-
+- if (smp_processor_id()) {
+- static int reboot_smp;
+-
+- /* Don't repeat the process from another CPU */
+- if (!reboot_smp) {
+- /* Get CPU 0 to do the cfe_exit */
+- reboot_smp = 1;
+- smp_call_function(cfe_linux_exit, arg, 0);
+- }
+- } else {
+- printk("Passing control back to CFE...\n");
+- cfe_exit(warm, 0);
+- printk("cfe_exit returned??\n");
+- }
+- while (1);
+-}
+-
+-static void __noreturn cfe_linux_restart(char *command)
+-{
+- static const int zero;
+-
+- cfe_linux_exit((void *)&zero);
+-}
+-
+-static void __noreturn cfe_linux_halt(void)
+-{
+- static const int one = 1;
+-
+- cfe_linux_exit((void *)&one);
+-}
+-
+-static __init void prom_meminit(void)
+-{
+- u64 addr, size, type; /* regardless of 64BIT_PHYS_ADDR */
+- int mem_flags = 0;
+- unsigned int idx;
+- int rd_flag;
+-#ifdef CONFIG_BLK_DEV_INITRD
+- unsigned long initrd_pstart;
+- unsigned long initrd_pend;
+-
+- initrd_pstart = CPHYSADDR(initrd_start);
+- initrd_pend = CPHYSADDR(initrd_end);
+- if (initrd_start &&
+- ((initrd_pstart > MAX_RAM_SIZE)
+- || (initrd_pend > MAX_RAM_SIZE))) {
+- panic("initrd out of addressable memory");
+- }
+-
+-#endif /* INITRD */
+-
+- for (idx = 0; cfe_enummem(idx, mem_flags, &addr, &size, &type) != CFE_ERR_NOMORE;
+- idx++) {
+- rd_flag = 0;
+- if (type == CFE_MI_AVAILABLE) {
+- /*
+- * See if this block contains (any portion of) the
+- * ramdisk
+- */
+-#ifdef CONFIG_BLK_DEV_INITRD
+- if (initrd_start) {
+- if ((initrd_pstart > addr) &&
+- (initrd_pstart < (addr + size))) {
+- add_memory_region(addr,
+- initrd_pstart - addr,
+- BOOT_MEM_RAM);
+- rd_flag = 1;
+- }
+- if ((initrd_pend > addr) &&
+- (initrd_pend < (addr + size))) {
+- add_memory_region(initrd_pend,
+- (addr + size) - initrd_pend,
+- BOOT_MEM_RAM);
+- rd_flag = 1;
+- }
+- }
+-#endif
+- if (!rd_flag) {
+- if (addr > MAX_RAM_SIZE)
+- continue;
+- if (addr+size > MAX_RAM_SIZE)
+- size = MAX_RAM_SIZE - (addr+size) + 1;
+- /*
+- * memcpy/__copy_user prefetch, which
+- * will cause a bus error for
+- * KSEG/KUSEG addrs not backed by RAM.
+- * Hence, reserve some padding for the
+- * prefetch distance.
+- */
+- if (size > 512)
+- size -= 512;
+- add_memory_region(addr, size, BOOT_MEM_RAM);
+- }
+- board_mem_region_addrs[board_mem_region_count] = addr;
+- board_mem_region_sizes[board_mem_region_count] = size;
+- board_mem_region_count++;
+- if (board_mem_region_count ==
+- SIBYTE_MAX_MEM_REGIONS) {
+- /*
+- * Too many regions. Need to configure more
+- */
+- while(1);
+- }
+- }
+- }
+-#ifdef CONFIG_BLK_DEV_INITRD
+- if (initrd_start) {
+- add_memory_region(initrd_pstart, initrd_pend - initrd_pstart,
+- BOOT_MEM_RESERVED);
+- }
+-#endif
+-}
+-
+-#ifdef CONFIG_BLK_DEV_INITRD
+-static int __init initrd_setup(char *str)
+-{
+- char rdarg[64];
+- int idx;
+- char *tmp, *endptr;
+- unsigned long initrd_size;
+-
+- /* Make a copy of the initrd argument so we can smash it up here */
+- for (idx = 0; idx < sizeof(rdarg)-1; idx++) {
+- if (!str[idx] || (str[idx] == ' ')) break;
+- rdarg[idx] = str[idx];
+- }
+-
+- rdarg[idx] = 0;
+- str = rdarg;
+-
+- /*
+- *Initrd location comes in the form "<hex size of ramdisk in bytes>@<location in memory>"
+- * e.g. initrd=3abfd@80010000. This is set up by the loader.
+- */
+- for (tmp = str; *tmp != '@'; tmp++) {
+- if (!*tmp) {
+- goto fail;
+- }
+- }
+- *tmp = 0;
+- tmp++;
+- if (!*tmp) {
+- goto fail;
+- }
+- initrd_size = simple_strtoul(str, &endptr, 16);
+- if (*endptr) {
+- *(tmp-1) = '@';
+- goto fail;
+- }
+- *(tmp-1) = '@';
+- initrd_start = simple_strtoul(tmp, &endptr, 16);
+- if (*endptr) {
+- goto fail;
+- }
+- initrd_end = initrd_start + initrd_size;
+- printk("Found initrd of %lx@%lx\n", initrd_size, initrd_start);
+- return 1;
+- fail:
+- printk("Bad initrd argument. Disabling initrd\n");
+- initrd_start = 0;
+- initrd_end = 0;
+- return 1;
+-}
+-
+-#endif
+-
+-extern struct plat_smp_ops sb_smp_ops;
+-extern struct plat_smp_ops bcm1480_smp_ops;
+-
+-/*
+- * prom_init is called just after the cpu type is determined, from setup_arch()
+- */
+-void __init prom_init(void)
+-{
+- uint64_t cfe_ept, cfe_handle;
+- unsigned int cfe_eptseal;
+- int argc = fw_arg0;
+- char **envp = (char **) fw_arg2;
+- int *prom_vec = (int *) fw_arg3;
+-
+- _machine_restart = cfe_linux_restart;
+- _machine_halt = cfe_linux_halt;
+- pm_power_off = cfe_linux_halt;
+-
+- /*
+- * Check if a loader was used; if NOT, the 4 arguments are
+- * what CFE gives us (handle, 0, EPT and EPTSEAL)
+- */
+- if (argc < 0) {
+- cfe_handle = (uint64_t)(long)argc;
+- cfe_ept = (long)envp;
+- cfe_eptseal = (uint32_t)(unsigned long)prom_vec;
+- } else {
+- if ((int32_t)(long)prom_vec < 0) {
+- /*
+- * Old loader; all it gives us is the handle,
+- * so use the "known" entrypoint and assume
+- * the seal.
+- */
+- cfe_handle = (uint64_t)(long)prom_vec;
+- cfe_ept = (uint64_t)((int32_t)0x9fc00500);
+- cfe_eptseal = CFE_EPTSEAL;
+- } else {
+- /*
+- * Newer loaders bundle the handle/ept/eptseal
+- * Note: prom_vec is in the loader's useg
+- * which is still alive in the TLB.
+- */
+- cfe_handle = (uint64_t)((int32_t *)prom_vec)[0];
+- cfe_ept = (uint64_t)((int32_t *)prom_vec)[2];
+- cfe_eptseal = (unsigned int)((uint32_t *)prom_vec)[3];
+- }
+- }
+- if (cfe_eptseal != CFE_EPTSEAL) {
+- /* too early for panic to do any good */
+- printk("CFE's entrypoint seal doesn't match. Spinning.");
+- while (1) ;
+- }
+- cfe_init(cfe_handle, cfe_ept);
+- /*
+- * Get the handle for (at least) prom_putchar, possibly for
+- * boot console
+- */
+- cfe_cons_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
+- if (cfe_getenv("LINUX_CMDLINE", arcs_cmdline, CL_SIZE) < 0) {
+- if (argc < 0) {
+- /*
+- * It's OK for direct boot to not provide a
+- * command line
+- */
+- strcpy(arcs_cmdline, "root=/dev/ram0 ");
+- } else {
+- /* The loader should have set the command line */
+- /* too early for panic to do any good */
+- printk("LINUX_CMDLINE not defined in cfe.");
+- while (1) ;
+- }
+- }
+-
+-#ifdef CONFIG_BLK_DEV_INITRD
+- {
+- char *ptr;
+- /* Need to find out early whether we've got an initrd. So scan
+- the list looking now */
+- for (ptr = arcs_cmdline; *ptr; ptr++) {
+- while (*ptr == ' ') {
+- ptr++;
+- }
+- if (!strncmp(ptr, "initrd=", 7)) {
+- initrd_setup(ptr+7);
+- break;
+- } else {
+- while (*ptr && (*ptr != ' ')) {
+- ptr++;
+- }
+- }
+- }
+- }
+-#endif /* CONFIG_BLK_DEV_INITRD */
+-
+- /* Not sure this is needed, but it's the safe way. */
+- arcs_cmdline[CL_SIZE-1] = 0;
+-
+- prom_meminit();
+-
+-#if defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250)
+- register_smp_ops(&sb_smp_ops);
+-#endif
+-#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
+- register_smp_ops(&bcm1480_smp_ops);
+-#endif
+-}
+-
+-void __init prom_free_prom_memory(void)
+-{
+- /* Not sure what I'm supposed to do here. Nothing, I think */
+-}
+-
+-void prom_putchar(char c)
+-{
+- int ret;
+-
+- while ((ret = cfe_write(cfe_cons_handle, &c, 1)) == 0)
+- ;
+-}
+--- /dev/null
++++ b/arch/mips/sibyte/common/cfe.c
+@@ -0,0 +1,350 @@
++/*
++ * Copyright (C) 2000, 2001, 2002, 2003 Broadcom Corporation
++ *
++ * 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, MA 02111-1307, USA.
++ */
++
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/linkage.h>
++#include <linux/mm.h>
++#include <linux/blkdev.h>
++#include <linux/bootmem.h>
++#include <linux/pm.h>
++#include <linux/smp.h>
++
++#include <asm/bootinfo.h>
++#include <asm/reboot.h>
++#include <asm/sibyte/board.h>
++#include <asm/smp-ops.h>
++
++#include <asm/fw/cfe/cfe_api.h>
++#include <asm/fw/cfe/cfe_error.h>
++
++/* Max ram addressable in 32-bit segments */
++#ifdef CONFIG_64BIT
++#define MAX_RAM_SIZE (~0ULL)
++#else
++#ifdef CONFIG_HIGHMEM
++#ifdef CONFIG_64BIT_PHYS_ADDR
++#define MAX_RAM_SIZE (~0ULL)
++#else
++#define MAX_RAM_SIZE (0xffffffffULL)
++#endif
++#else
++#define MAX_RAM_SIZE (0x1fffffffULL)
++#endif
++#endif
++
++#define SIBYTE_MAX_MEM_REGIONS 8
++phys_t board_mem_region_addrs[SIBYTE_MAX_MEM_REGIONS];
++phys_t board_mem_region_sizes[SIBYTE_MAX_MEM_REGIONS];
++unsigned int board_mem_region_count;
++
++int cfe_cons_handle;
++
++#ifdef CONFIG_BLK_DEV_INITRD
++extern unsigned long initrd_start, initrd_end;
++#endif
++
++static void __noreturn cfe_linux_exit(void *arg)
++{
++ int warm = *(int *)arg;
++
++ if (smp_processor_id()) {
++ static int reboot_smp;
++
++ /* Don't repeat the process from another CPU */
++ if (!reboot_smp) {
++ /* Get CPU 0 to do the cfe_exit */
++ reboot_smp = 1;
++ smp_call_function(cfe_linux_exit, arg, 0);
++ }
++ } else {
++ printk("Passing control back to CFE...\n");
++ cfe_exit(warm, 0);
++ printk("cfe_exit returned??\n");
++ }
++ while (1);
++}
++
++static void __noreturn cfe_linux_restart(char *command)
++{
++ static const int zero;
++
++ cfe_linux_exit((void *)&zero);
++}
++
++static void __noreturn cfe_linux_halt(void)
++{
++ static const int one = 1;
++
++ cfe_linux_exit((void *)&one);
++}
++
++static __init void prom_meminit(void)
++{
++ u64 addr, size, type; /* regardless of 64BIT_PHYS_ADDR */
++ int mem_flags = 0;
++ unsigned int idx;
++ int rd_flag;
++#ifdef CONFIG_BLK_DEV_INITRD
++ unsigned long initrd_pstart;
++ unsigned long initrd_pend;
++
++ initrd_pstart = CPHYSADDR(initrd_start);
++ initrd_pend = CPHYSADDR(initrd_end);
++ if (initrd_start &&
++ ((initrd_pstart > MAX_RAM_SIZE)
++ || (initrd_pend > MAX_RAM_SIZE))) {
++ panic("initrd out of addressable memory");
++ }
++
++#endif /* INITRD */
++
++ for (idx = 0; cfe_enummem(idx, mem_flags, &addr, &size, &type) != CFE_ERR_NOMORE;
++ idx++) {
++ rd_flag = 0;
++ if (type == CFE_MI_AVAILABLE) {
++ /*
++ * See if this block contains (any portion of) the
++ * ramdisk
++ */
++#ifdef CONFIG_BLK_DEV_INITRD
++ if (initrd_start) {
++ if ((initrd_pstart > addr) &&
++ (initrd_pstart < (addr + size))) {
++ add_memory_region(addr,
++ initrd_pstart - addr,
++ BOOT_MEM_RAM);
++ rd_flag = 1;
++ }
++ if ((initrd_pend > addr) &&
++ (initrd_pend < (addr + size))) {
++ add_memory_region(initrd_pend,
++ (addr + size) - initrd_pend,
++ BOOT_MEM_RAM);
++ rd_flag = 1;
++ }
++ }
++#endif
++ if (!rd_flag) {
++ if (addr > MAX_RAM_SIZE)
++ continue;
++ if (addr+size > MAX_RAM_SIZE)
++ size = MAX_RAM_SIZE - (addr+size) + 1;
++ /*
++ * memcpy/__copy_user prefetch, which
++ * will cause a bus error for
++ * KSEG/KUSEG addrs not backed by RAM.
++ * Hence, reserve some padding for the
++ * prefetch distance.
++ */
++ if (size > 512)
++ size -= 512;
++ add_memory_region(addr, size, BOOT_MEM_RAM);
++ }
++ board_mem_region_addrs[board_mem_region_count] = addr;
++ board_mem_region_sizes[board_mem_region_count] = size;
++ board_mem_region_count++;
++ if (board_mem_region_count ==
++ SIBYTE_MAX_MEM_REGIONS) {
++ /*
++ * Too many regions. Need to configure more
++ */
++ while(1);
++ }
++ }
++ }
++#ifdef CONFIG_BLK_DEV_INITRD
++ if (initrd_start) {
++ add_memory_region(initrd_pstart, initrd_pend - initrd_pstart,
++ BOOT_MEM_RESERVED);
++ }
++#endif
++}
++
++#ifdef CONFIG_BLK_DEV_INITRD
++static int __init initrd_setup(char *str)
++{
++ char rdarg[64];
++ int idx;
++ char *tmp, *endptr;
++ unsigned long initrd_size;
++
++ /* Make a copy of the initrd argument so we can smash it up here */
++ for (idx = 0; idx < sizeof(rdarg)-1; idx++) {
++ if (!str[idx] || (str[idx] == ' ')) break;
++ rdarg[idx] = str[idx];
++ }
++
++ rdarg[idx] = 0;
++ str = rdarg;
++
++ /*
++ *Initrd location comes in the form "<hex size of ramdisk in bytes>@<location in memory>"
++ * e.g. initrd=3abfd@80010000. This is set up by the loader.
++ */
++ for (tmp = str; *tmp != '@'; tmp++) {
++ if (!*tmp) {
++ goto fail;
++ }
++ }
++ *tmp = 0;
++ tmp++;
++ if (!*tmp) {
++ goto fail;
++ }
++ initrd_size = simple_strtoul(str, &endptr, 16);
++ if (*endptr) {
++ *(tmp-1) = '@';
++ goto fail;
++ }
++ *(tmp-1) = '@';
++ initrd_start = simple_strtoul(tmp, &endptr, 16);
++ if (*endptr) {
++ goto fail;
++ }
++ initrd_end = initrd_start + initrd_size;
++ printk("Found initrd of %lx@%lx\n", initrd_size, initrd_start);
++ return 1;
++ fail:
++ printk("Bad initrd argument. Disabling initrd\n");
++ initrd_start = 0;
++ initrd_end = 0;
++ return 1;
++}
++
++#endif
++
++extern struct plat_smp_ops sb_smp_ops;
++extern struct plat_smp_ops bcm1480_smp_ops;
++
++/*
++ * prom_init is called just after the cpu type is determined, from setup_arch()
++ */
++void __init prom_init(void)
++{
++ uint64_t cfe_ept, cfe_handle;
++ unsigned int cfe_eptseal;
++ int argc = fw_arg0;
++ char **envp = (char **) fw_arg2;
++ int *prom_vec = (int *) fw_arg3;
++
++ _machine_restart = cfe_linux_restart;
++ _machine_halt = cfe_linux_halt;
++ pm_power_off = cfe_linux_halt;
++
++ /*
++ * Check if a loader was used; if NOT, the 4 arguments are
++ * what CFE gives us (handle, 0, EPT and EPTSEAL)
++ */
++ if (argc < 0) {
++ cfe_handle = (uint64_t)(long)argc;
++ cfe_ept = (long)envp;
++ cfe_eptseal = (uint32_t)(unsigned long)prom_vec;
++ } else {
++ if ((int32_t)(long)prom_vec < 0) {
++ /*
++ * Old loader; all it gives us is the handle,
++ * so use the "known" entrypoint and assume
++ * the seal.
++ */
++ cfe_handle = (uint64_t)(long)prom_vec;
++ cfe_ept = (uint64_t)((int32_t)0x9fc00500);
++ cfe_eptseal = CFE_EPTSEAL;
++ } else {
++ /*
++ * Newer loaders bundle the handle/ept/eptseal
++ * Note: prom_vec is in the loader's useg
++ * which is still alive in the TLB.
++ */
++ cfe_handle = (uint64_t)((int32_t *)prom_vec)[0];
++ cfe_ept = (uint64_t)((int32_t *)prom_vec)[2];
++ cfe_eptseal = (unsigned int)((uint32_t *)prom_vec)[3];
++ }
++ }
++ if (cfe_eptseal != CFE_EPTSEAL) {
++ /* too early for panic to do any good */
++ printk("CFE's entrypoint seal doesn't match. Spinning.");
++ while (1) ;
++ }
++ cfe_init(cfe_handle, cfe_ept);
++ /*
++ * Get the handle for (at least) prom_putchar, possibly for
++ * boot console
++ */
++ cfe_cons_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
++ if (cfe_getenv("LINUX_CMDLINE", arcs_cmdline, CL_SIZE) < 0) {
++ if (argc < 0) {
++ /*
++ * It's OK for direct boot to not provide a
++ * command line
++ */
++ strcpy(arcs_cmdline, "root=/dev/ram0 ");
++ } else {
++ /* The loader should have set the command line */
++ /* too early for panic to do any good */
++ printk("LINUX_CMDLINE not defined in cfe.");
++ while (1) ;
++ }
++ }
++
++#ifdef CONFIG_BLK_DEV_INITRD
++ {
++ char *ptr;
++ /* Need to find out early whether we've got an initrd. So scan
++ the list looking now */
++ for (ptr = arcs_cmdline; *ptr; ptr++) {
++ while (*ptr == ' ') {
++ ptr++;
++ }
++ if (!strncmp(ptr, "initrd=", 7)) {
++ initrd_setup(ptr+7);
++ break;
++ } else {
++ while (*ptr && (*ptr != ' ')) {
++ ptr++;
++ }
++ }
++ }
++ }
++#endif /* CONFIG_BLK_DEV_INITRD */
++
++ /* Not sure this is needed, but it's the safe way. */
++ arcs_cmdline[CL_SIZE-1] = 0;
++
++ prom_meminit();
++
++#if defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250)
++ register_smp_ops(&sb_smp_ops);
++#endif
++#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
++ register_smp_ops(&bcm1480_smp_ops);
++#endif
++}
++
++void __init prom_free_prom_memory(void)
++{
++ /* Not sure what I'm supposed to do here. Nothing, I think */
++}
++
++void prom_putchar(char c)
++{
++ int ret;
++
++ while ((ret = cfe_write(cfe_cons_handle, &c, 1)) == 0)
++ ;
++}
+--- /dev/null
++++ b/arch/mips/sibyte/common/cfe_console.c
+@@ -0,0 +1,79 @@
++#include <linux/init.h>
++#include <linux/errno.h>
++#include <linux/console.h>
++
++#include <asm/sibyte/board.h>
++
++#include <asm/fw/cfe/cfe_api.h>
++#include <asm/fw/cfe/cfe_error.h>
++
++extern int cfe_cons_handle;
++
++static void cfe_console_write(struct console *cons, const char *str,
++ unsigned int count)
++{
++ int i, last, written;
++
++ for (i=0, last=0; i<count; i++) {
++ if (!str[i])
++ /* XXXKW can/should this ever happen? */
++ return;
++ if (str[i] == '\n') {
++ do {
++ written = cfe_write(cfe_cons_handle, &str[last], i-last);
++ if (written < 0)
++ ;
++ last += written;
++ } while (last < i);
++ while (cfe_write(cfe_cons_handle, "\r", 1) <= 0)
++ ;
++ }
++ }
++ if (last != count) {
++ do {
++ written = cfe_write(cfe_cons_handle, &str[last], count-last);
++ if (written < 0)
++ ;
++ last += written;
++ } while (last < count);
++ }
++
++}
++
++static int cfe_console_setup(struct console *cons, char *str)
++{
++ char consdev[32];
++ /* XXXKW think about interaction with 'console=' cmdline arg */
++ /* If none of the console options are configured, the build will break. */
++ if (cfe_getenv("BOOT_CONSOLE", consdev, 32) >= 0) {
++#ifdef CONFIG_SERIAL_SB1250_DUART
++ if (!strcmp(consdev, "uart0")) {
++ setleds("u0cn");
++ } else if (!strcmp(consdev, "uart1")) {
++ setleds("u1cn");
++#endif
++#ifdef CONFIG_VGA_CONSOLE
++ } else if (!strcmp(consdev, "pcconsole0")) {
++ setleds("pccn");
++#endif
++ } else
++ return -ENODEV;
++ }
++ return 0;
++}
++
++static struct console sb1250_cfe_cons = {
++ .name = "cfe",
++ .write = cfe_console_write,
++ .setup = cfe_console_setup,
++ .flags = CON_PRINTBUFFER,
++ .index = -1,
++};
++
++static int __init sb1250_cfe_console_init(void)
++{
++ register_console(&sb1250_cfe_cons);
++ return 0;
++}
++
++console_initcall(sb1250_cfe_console_init);
+--- a/arch/mips/sibyte/common/Makefile
++++ b/arch/mips/sibyte/common/Makefile
+@@ -1,5 +1,5 @@
+-obj-y :=
+-
++obj-y := cfe.o
++obj-$(CONFIG_SIBYTE_CFE_CONSOLE) += cfe_console.o
+ obj-$(CONFIG_SIBYTE_TBPROF) += sb_tbprof.o
+
+ EXTRA_CFLAGS += -Werror
+--- a/arch/mips/sibyte/Kconfig
++++ b/arch/mips/sibyte/Kconfig
+@@ -75,6 +75,8 @@ config SIBYTE_SB1xxx_SOC
+ select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
++ select CFE
++ select SYS_HAS_EARLY_PRINTK
+
+ choice
+ prompt "SiByte SOC Stepping"
+@@ -136,34 +138,14 @@ config SB1_CERR_STALL
+ bool "Stall (rather than panic) on fatal cache error"
+ depends on SIBYTE_SB1xxx_SOC
+
+-config SIBYTE_CFE
+- bool "Booting from CFE"
+- depends on SIBYTE_SB1xxx_SOC
+- select CFE
+- select SYS_HAS_EARLY_PRINTK
+- help
+- Make use of the CFE API for enumerating available memory,
+- controlling secondary CPUs, and possibly console output.
+-
+ config SIBYTE_CFE_CONSOLE
+ bool "Use firmware console"
+- depends on SIBYTE_CFE
++ depends on SIBYTE_SB1xxx_SOC
+ help
+ Use the CFE API's console write routines during boot. Other console
+ options (VT console, sb1250 duart console, etc.) should not be
+ configured.
+
+-config SIBYTE_STANDALONE
+- bool
+- depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
+- select SYS_HAS_EARLY_PRINTK
+- default y
+-
+-config SIBYTE_STANDALONE_RAM_SIZE
+- int "Memory size (in megabytes)"
+- depends on SIBYTE_STANDALONE
+- default "32"
+-
+ config SIBYTE_BUS_WATCHER
+ bool "Support for Bus Watcher statistics"
+ depends on SIBYTE_SB1xxx_SOC
+--- a/arch/mips/sibyte/sb1250/Makefile
++++ b/arch/mips/sibyte/sb1250/Makefile
+@@ -1,7 +1,6 @@
+ obj-y := setup.o irq.o time.o
+
+ obj-$(CONFIG_SMP) += smp.o
+-obj-$(CONFIG_SIBYTE_STANDALONE) += prom.o
+ obj-$(CONFIG_SIBYTE_BUS_WATCHER) += bus_watcher.o
+
+ EXTRA_CFLAGS += -Werror
+--- a/arch/mips/sibyte/sb1250/prom.c
++++ /dev/null
+@@ -1,96 +0,0 @@
+-/*
+- * Copyright (C) 2000, 2001 Broadcom Corporation
+- *
+- * 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, MA 02111-1307, USA.
+- */
+-
+-#include <linux/init.h>
+-#include <linux/kernel.h>
+-#include <linux/mm.h>
+-#include <linux/blkdev.h>
+-#include <linux/bootmem.h>
+-#include <linux/smp.h>
+-#include <linux/initrd.h>
+-#include <linux/pm.h>
+-
+-#include <asm/bootinfo.h>
+-#include <asm/reboot.h>
+-
+-#define MAX_RAM_SIZE ((CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - 1)
+-
+-static __init void prom_meminit(void)
+-{
+-#ifdef CONFIG_BLK_DEV_INITRD
+- unsigned long initrd_pstart;
+- unsigned long initrd_pend;
+-
+- initrd_pstart = __pa(initrd_start);
+- initrd_pend = __pa(initrd_end);
+- if (initrd_start &&
+- ((initrd_pstart > MAX_RAM_SIZE)
+- || (initrd_pend > MAX_RAM_SIZE))) {
+- panic("initrd out of addressable memory");
+- }
+-
+- add_memory_region(0, initrd_pstart,
+- BOOT_MEM_RAM);
+- add_memory_region(initrd_pstart, initrd_pend - initrd_pstart,
+- BOOT_MEM_RESERVED);
+- add_memory_region(initrd_pend,
+- (CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - initrd_pend,
+- BOOT_MEM_RAM);
+-#else
+- add_memory_region(0, CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024,
+- BOOT_MEM_RAM);
+-#endif
+-}
+-
+-void prom_cpu0_exit(void *unused)
+-{
+- while (1) ;
+-}
+-
+-static void prom_linux_exit(void)
+-{
+-#ifdef CONFIG_SMP
+- if (smp_processor_id()) {
+- smp_call_function(prom_cpu0_exit, NULL, 1);
+- }
+-#endif
+- while(1);
+-}
+-
+-/*
+- * prom_init is called just after the cpu type is determined, from setup_arch()
+- */
+-void __init prom_init(void)
+-{
+- _machine_restart = (void (*)(char *))prom_linux_exit;
+- _machine_halt = prom_linux_exit;
+- pm_power_off = prom_linux_exit;
+-
+- strcpy(arcs_cmdline, "root=/dev/ram0 ");
+-
+- prom_meminit();
+-}
+-
+-void __init prom_free_prom_memory(void)
+-{
+- /* Not sure what I'm supposed to do here. Nothing, I think */
+-}
+-
+-void prom_putchar(char c)
+-{
+-}
+--- a/arch/mips/sibyte/swarm/setup.c
++++ b/arch/mips/sibyte/swarm/setup.c
+@@ -136,16 +136,6 @@ void __init plat_mem_setup(void)
+ if (m41t81_probe())
+ swarm_rtc_type = RTC_M4LT81;
+
+- printk("This kernel optimized for "
+- "board"
+- " runs "
+-#ifdef CONFIG_SIBYTE_CFE
+- "with"
+-#else
+- "without"
+-#endif
+- " CFE\n");
+-
+ #ifdef CONFIG_VT
+ screen_info = (struct screen_info) {
+ 0, 0, /* orig-x, orig-y */
projects / openwrt / openwrt.git / commitdiff