diff options
Diffstat (limited to 'package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c')
| -rw-r--r-- | package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c b/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c deleted file mode 100644 index 2132c00837..0000000000 --- a/package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/setup.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * Generic setup routines for Broadcom MIPS boards - * - * Copyright 2004, 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. - * - * $Id$ - */ - -#include <linux/config.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/serialP.h> -#include <linux/ide.h> -#include <asm/bootinfo.h> -#include <asm/time.h> -#include <asm/reboot.h> - -#ifdef CONFIG_MTD_PARTITIONS -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#endif - -#include <typedefs.h> -#include <bcmutils.h> -#include <bcmnvram.h> -#include <sbmips.h> -#include <sbutils.h> -#include <trxhdr.h> - -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 - -/* Global SB handle */ -void *bcm947xx_sbh = NULL; -spinlock_t bcm947xx_sbh_lock = SPIN_LOCK_UNLOCKED; -EXPORT_SYMBOL(bcm947xx_sbh); -EXPORT_SYMBOL(bcm947xx_sbh_lock); - -/* Convenience */ -#define sbh bcm947xx_sbh -#define sbh_lock bcm947xx_sbh_lock - -/* Kernel command line */ -char arcs_cmdline[CL_SIZE] __initdata = CONFIG_CMDLINE; - -void -bcm947xx_machine_restart(char *command) -{ - printk("Please stand by while rebooting the system...\n"); - - /* Set the watchdog timer to reset immediately */ - __cli(); - sb_watchdog(sbh, 1); - 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 struct serial_struct rs = { - line: 0, - flags: ASYNC_BOOT_AUTOCONF, - io_type: SERIAL_IO_MEM, -}; - -static void __init -serial_add(void *regs, uint irq, uint baud_base, uint reg_shift) -{ - rs.iomem_base = regs; - rs.irq = irq + 2; - rs.baud_base = baud_base / 16; - rs.iomem_reg_shift = reg_shift; - - early_serial_setup(&rs); - - rs.line++; -} - -static void __init -serial_setup(void *sbh) -{ - sb_serial_init(sbh, serial_add); - -#ifdef CONFIG_REMOTE_DEBUG - /* Use the last port for kernel debugging */ - if (rs.iomem_base) - rs_kgdb_hook(&rs); -#endif -} - -#endif /* CONFIG_SERIAL */ - -void __init -brcm_setup(void) -{ - char *value; - - /* Get global SB handle */ - sbh = sb_kattach(); - - /* Initialize clocks and interrupts */ - sb_mips_init(sbh); - -#ifdef CONFIG_SERIAL - /* Initialize UARTs */ - serial_setup(sbh); -#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_args"); - 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) -{ - return "Broadcom BCM947XX"; -} - -void __init -bus_error_init(void) -{ -} - -#ifdef CONFIG_MTD_PARTITIONS - -static struct mtd_partition bcm947xx_parts[] = { - { name: "pmon", 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: "OpenWrt", offset: 0, size: 0, }, - { name: NULL, }, -}; - -static int __init -find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part) -{ - struct trx_header *trx; - unsigned char buf[512]; - int off; - size_t len; - - trx = (struct trx_header *) buf; - - for (off = (256*1024); off < size; off += mtd->erasesize) { - 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) { - 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 done; - } - } - - printk(KERN_NOTICE - "%s: Couldn't find root filesystem\n", - mtd->name); - return -1; - - done: - return part->size; -} - -struct mtd_partition * __init -init_mtd_partitions(struct mtd_info *mtd, size_t size) -{ - - /* boot loader */ - bcm947xx_parts[0].offset=0; - bcm947xx_parts[0].size=256*1024; - - /* nvram */ - bcm947xx_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize); - bcm947xx_parts[3].size = size - bcm947xx_parts[3].offset; - - /* Size linux (kernel and rootfs) */ - bcm947xx_parts[1].offset = bcm947xx_parts[0].size; - bcm947xx_parts[1].size = bcm947xx_parts[3].offset - bcm947xx_parts[1].offset; - - /* Find and size rootfs */ - if (find_root(mtd,size,&bcm947xx_parts[2])==0) { - /* entirely jffs2 */ - bcm947xx_parts[2].size = bcm947xx_parts[3].offset - bcm947xx_parts[2].offset; - bcm947xx_parts[4].name = NULL; - } else { - /* legacy setup */ - /* calculate leftover flash, and assign it to the jffs2 partition */ - bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + bcm947xx_parts[2].size; - bcm947xx_parts[4].offset = ROUNDUP(bcm947xx_parts[4].offset, mtd->erasesize); - bcm947xx_parts[4].size = bcm947xx_parts[3].offset - bcm947xx_parts[4].offset; - } - - return bcm947xx_parts; -} - -EXPORT_SYMBOL(init_mtd_partitions); - -#endif |