diff options
Diffstat (limited to 'arch/mips/sibyte/swarm/setup.c')
| -rw-r--r-- | arch/mips/sibyte/swarm/setup.c | 151 |
1 files changed, 85 insertions, 66 deletions
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c index 457aeb7be85..3462c831d0e 100644 --- a/arch/mips/sibyte/swarm/setup.c +++ b/arch/mips/sibyte/swarm/setup.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002, 2003 Broadcom Corporation + * Copyright (C) 2000, 2001, 2002, 2003, 2004 Broadcom Corporation * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) * * This program is free software; you can redistribute it and/or @@ -21,14 +21,13 @@ * Setup code for the SWARM board */ -#include <linux/config.h> #include <linux/spinlock.h> #include <linux/mm.h> #include <linux/bootmem.h> #include <linux/blkdev.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/tty.h> +#include <linux/screen_info.h> #include <linux/initrd.h> #include <asm/irq.h> @@ -39,11 +38,23 @@ #include <asm/time.h> #include <asm/traps.h> #include <asm/sibyte/sb1250.h> +#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) +#include <asm/sibyte/bcm1480_regs.h> +#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X) #include <asm/sibyte/sb1250_regs.h> +#else +#error invalid SiByte board configuration +#endif #include <asm/sibyte/sb1250_genbus.h> #include <asm/sibyte/board.h> +#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) +extern void bcm1480_setup(void); +#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X) extern void sb1250_setup(void); +#else +#error invalid SiByte board configuration +#endif extern int xicor_probe(void); extern int xicor_set_time(unsigned long); @@ -58,87 +69,93 @@ const char *get_system_type(void) return "SiByte " SIBYTE_BOARD_NAME; } -void __init swarm_timer_setup(struct irqaction *irq) -{ - /* - * we don't set up irqaction, because we will deliver timer - * interrupts through low-level (direct) meachanism. - */ - - /* We only need to setup the generic timer */ - sb1250_time_init(); -} - int swarm_be_handler(struct pt_regs *regs, int is_fixup) { if (!is_fixup && (regs->cp0_cause & 4)) { /* Data bus error - print PA */ -#ifdef CONFIG_MIPS64 - printk("DBE physical address: %010lx\n", + printk("DBE physical address: %010Lx\n", __read_64bit_c0_register($26, 1)); -#else - printk("DBE physical address: %010llx\n", - __read_64bit_c0_split($26, 1)); -#endif } return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL); } -static int __init swarm_setup(void) +enum swarm_rtc_type { + RTC_NONE, + RTC_XICOR, + RTC_M41T81, +}; + +enum swarm_rtc_type swarm_rtc_type; + +void read_persistent_clock(struct timespec *ts) { - sb1250_setup(); + unsigned long sec; - panic_timeout = 5; /* For debug. */ + switch (swarm_rtc_type) { + case RTC_XICOR: + sec = xicor_get_time(); + break; - board_timer_setup = swarm_timer_setup; - board_be_handler = swarm_be_handler; + case RTC_M41T81: + sec = m41t81_get_time(); + break; - if (xicor_probe()) { - printk("swarm setup: Xicor 1241 RTC detected.\n"); - rtc_get_time = xicor_get_time; - rtc_set_time = xicor_set_time; + case RTC_NONE: + default: + sec = mktime(2000, 1, 1, 0, 0, 0); + break; } - - if (m41t81_probe()) { - printk("swarm setup: M41T81 RTC detected.\n"); - rtc_get_time = m41t81_get_time; - rtc_set_time = m41t81_set_time; + ts->tv_sec = sec; + ts->tv_nsec = 0; +} + +int rtc_mips_set_time(unsigned long sec) +{ + switch (swarm_rtc_type) { + case RTC_XICOR: + return xicor_set_time(sec); + + case RTC_M41T81: + return m41t81_set_time(sec); + + case RTC_NONE: + default: + return -1; } +} - printk("This kernel optimized for " -#ifdef CONFIG_SIMULATION - "simulation" -#else - "board" -#endif - " runs " -#ifdef CONFIG_SIBYTE_CFE - "with" +void __init plat_mem_setup(void) +{ +#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) + bcm1480_setup(); +#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X) + sb1250_setup(); #else - "without" +#error invalid SiByte board configuration #endif - " CFE\n"); + + board_be_handler = swarm_be_handler; + + if (xicor_probe()) + swarm_rtc_type = RTC_XICOR; + if (m41t81_probe()) + swarm_rtc_type = RTC_M41T81; #ifdef CONFIG_VT screen_info = (struct screen_info) { - 0, 0, /* orig-x, orig-y */ - 0, /* unused */ - 52, /* orig_video_page */ - 3, /* orig_video_mode */ - 80, /* orig_video_cols */ - 4626, 3, 9, /* unused, ega_bx, unused */ - 25, /* orig_video_lines */ - 0x22, /* orig_video_isVGA */ - 16 /* orig_video_points */ + .orig_video_page = 52, + .orig_video_mode = 3, + .orig_video_cols = 80, + .flags = 12, + .orig_video_ega_bx = 3, + .orig_video_lines = 25, + .orig_video_isVGA = 0x22, + .orig_video_points = 16, }; /* XXXKW for CFE, get lines/cols from environment */ #endif - - return 0; } -early_initcall(swarm_setup); - #ifdef LEDS_PHYS #ifdef CONFIG_SIBYTE_CARMEL @@ -147,17 +164,19 @@ early_initcall(swarm_setup); #define LEDS_PHYS MLEDS_PHYS #endif -#define setled(index, c) \ - ((unsigned char *)(IOADDR(LEDS_PHYS)+0x20))[(3-(index))<<3] = (c) void setleds(char *str) { + void *reg; int i; + for (i = 0; i < 4; i++) { - if (!str[i]) { - setled(i, ' '); - } else { - setled(i, str[i]); - } + reg = IOADDR(LEDS_PHYS) + 0x20 + ((3 - i) << 3); + + if (!str[i]) + writeb(' ', reg); + else + writeb(str[i], reg); } } -#endif + +#endif /* LEDS_PHYS */ |