+++ /dev/null
-/*
- * Generic setup routines for Broadcom MIPS boards
- *
- * Copyright (C) 2005 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.
- *
- * 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 2005, 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.
- *
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/serialP.h>
-#include <linux/ide.h>
-#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-#include <asm/time.h>
-#include <asm/reboot.h>
-
-#include <typedefs.h>
-#include <osl.h>
-#include <sbutils.h>
-#include <bcmnvram.h>
-#include <bcmdevs.h>
-#include <sbhndmips.h>
-#include <hndmips.h>
-#include <trxhdr.h>
-
-/* Virtual IRQ base, after last hw IRQ */
-#define SBMIPS_VIRTIRQ_BASE 6
-
-/* # IRQs, hw and sw IRQs */
-#define SBMIPS_NUMIRQS 8
-
-/* Global SB handle */
-sb_t *bcm947xx_sbh = NULL;
-spinlock_t bcm947xx_sbh_lock = SPIN_LOCK_UNLOCKED;
-
-/* Convenience */
-#define sbh bcm947xx_sbh
-#define sbh_lock bcm947xx_sbh_lock
-
-extern void bcm947xx_time_init(void);
-extern void bcm947xx_timer_setup(struct irqaction *irq);
-
-#ifdef CONFIG_REMOTE_DEBUG
-extern void set_debug_traps(void);
-extern void rs_kgdb_hook(struct serial_state *);
-extern void breakpoint(void);
-#endif
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-extern struct ide_ops std_ide_ops;
-#endif
-
-/* Kernel command line */
-char arcs_cmdline[CL_SIZE] __initdata = CONFIG_CMDLINE;
-extern void sb_serial_init(sb_t *sbh, void (*add)(void *regs, uint irq, uint baud_base, uint reg_shift));
-
-void
-bcm947xx_machine_restart(char *command)
-{
- printk("Please stand by while rebooting the system...\n");
-
- if (sb_chip(sbh) == BCM4785_CHIP_ID)
- MTC0(C0_BROADCOM, 4, (1 << 22));
-
- /* Set the watchdog timer to reset immediately */
- __cli();
- sb_watchdog(sbh, 1);
-
- if (sb_chip(sbh) == BCM4785_CHIP_ID) {
- __asm__ __volatile__(
- ".set\tmips3\n\t"
- "sync\n\t"
- "wait\n\t"
- ".set\tmips0");
- }
-
- while (1);
-}
-
-void
-bcm947xx_machine_halt(void)
-{
- printk("System halted\n");
-
- /* Disable interrupts and watchdog and spin forever */
- __cli();
- sb_watchdog(sbh, 0);
- while (1);
-}
-
-#ifdef CONFIG_SERIAL
-
-static int ser_line = 0;
-
-typedef struct {
- void *regs;
- uint irq;
- uint baud_base;
- uint reg_shift;
-} serial_port;
-
-static serial_port ports[4];
-static int num_ports = 0;
-
-static void
-serial_add(void *regs, uint irq, uint baud_base, uint reg_shift)
-{
- ports[num_ports].regs = regs;
- ports[num_ports].irq = irq;
- ports[num_ports].baud_base = baud_base;
- ports[num_ports].reg_shift = reg_shift;
- num_ports++;
-}
-
-static void
-do_serial_add(serial_port *port)
-{
- void *regs;
- uint irq;
- uint baud_base;
- uint reg_shift;
- struct serial_struct s;
-
- regs = port->regs;
- irq = port->irq;
- baud_base = port->baud_base;
- reg_shift = port->reg_shift;
-
- memset(&s, 0, sizeof(s));
-
- s.line = ser_line++;
- s.iomem_base = regs;
- s.irq = irq + 2;
- s.baud_base = baud_base / 16;
- s.flags = ASYNC_BOOT_AUTOCONF;
- s.io_type = SERIAL_IO_MEM;
- s.iomem_reg_shift = reg_shift;
-
- if (early_serial_setup(&s) != 0) {
- printk(KERN_ERR "Serial setup failed!\n");
- }
-}
-
-#endif /* CONFIG_SERIAL */
-
-void __init
-brcm_setup(void)
-{
- char *s;
- int i;
- char *value;
-
- /* Get global SB handle */
- sbh = sb_kattach(SB_OSH);
-
- /* Initialize clocks and interrupts */
- sb_mips_init(sbh, SBMIPS_VIRTIRQ_BASE);
-
- if (BCM330X(current_cpu_data.processor_id) &&
- (read_c0_diag() & BRCM_PFC_AVAIL)) {
- /*
- * Now that the sbh is inited set the proper PFC value
- */
- printk("Setting the PFC to its default value\n");
- enable_pfc(PFC_AUTO);
- }
-
-
-#ifdef CONFIG_SERIAL
- sb_serial_init(sbh, serial_add);
-
- /* reverse serial ports if nvram variable starts with console=ttyS1 */
- /* Initialize UARTs */
- s = nvram_get("kernel_args");
- if (!s) s = "";
- if (!strncmp(s, "console=ttyS1", 13)) {
- for (i = num_ports; i; i--)
- do_serial_add(&ports[i - 1]);
- } else {
- for (i = 0; i < num_ports; i++)
- do_serial_add(&ports[i]);
- }
-#endif
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
- ide_ops = &std_ide_ops;
-#endif
-
- /* Override default command line arguments */
- value = nvram_get("kernel_cmdline");
- if (value && strlen(value) && strncmp(value, "empty", 5))
- strncpy(arcs_cmdline, value, sizeof(arcs_cmdline));
-
-
- /* Generic setup */
- _machine_restart = bcm947xx_machine_restart;
- _machine_halt = bcm947xx_machine_halt;
- _machine_power_off = bcm947xx_machine_halt;
-
- board_time_init = bcm947xx_time_init;
- board_timer_setup = bcm947xx_timer_setup;
-}
-
-const char *
-get_system_type(void)
-{
- static char s[32];
-
- if (bcm947xx_sbh) {
- sprintf(s, "Broadcom BCM%X chip rev %d", sb_chip(bcm947xx_sbh),
- sb_chiprev(bcm947xx_sbh));
- return s;
- }
- else
- return "Broadcom BCM947XX";
-}
-
-void __init
-bus_error_init(void)
-{
-}
-
projects / openwrt / svn-archive / archive.git / blobdiff