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Diffstat (limited to 'arch/mips/sibyte/swarm/setup.c')
-rw-r--r--arch/mips/sibyte/swarm/setup.c117
1 files changed, 56 insertions, 61 deletions
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 83572d8f3e1..3462c831d0e 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -69,39 +69,59 @@ const char *get_system_type(void)
return "SiByte " SIBYTE_BOARD_NAME;
}
-void __init swarm_time_init(void)
+int swarm_be_handler(struct pt_regs *regs, int is_fixup)
{
-#if defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
- /* Setup HPT */
- sb1250_hpt_setup();
-#endif
+ if (!is_fixup && (regs->cp0_cause & 4)) {
+ /* Data bus error - print PA */
+ printk("DBE physical address: %010Lx\n",
+ __read_64bit_c0_register($26, 1));
+ }
+ return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL);
}
-void __init plat_timer_setup(struct irqaction *irq)
+enum swarm_rtc_type {
+ RTC_NONE,
+ RTC_XICOR,
+ RTC_M41T81,
+};
+
+enum swarm_rtc_type swarm_rtc_type;
+
+void read_persistent_clock(struct timespec *ts)
{
- /*
- * we don't set up irqaction, because we will deliver timer
- * interrupts through low-level (direct) meachanism.
- */
+ unsigned long sec;
- /* We only need to setup the generic timer */
-#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
- bcm1480_time_init();
-#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
- sb1250_time_init();
-#else
-#error invalid SiByte board configuration
-#endif
+ switch (swarm_rtc_type) {
+ case RTC_XICOR:
+ sec = xicor_get_time();
+ break;
+
+ case RTC_M41T81:
+ sec = m41t81_get_time();
+ break;
+
+ case RTC_NONE:
+ default:
+ sec = mktime(2000, 1, 1, 0, 0, 0);
+ break;
+ }
+ ts->tv_sec = sec;
+ ts->tv_nsec = 0;
}
-int swarm_be_handler(struct pt_regs *regs, int is_fixup)
+int rtc_mips_set_time(unsigned long sec)
{
- if (!is_fixup && (regs->cp0_cause & 4)) {
- /* Data bus error - print PA */
- printk("DBE physical address: %010Lx\n",
- __read_64bit_c0_register($26, 1));
+ 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;
}
- return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL);
}
void __init plat_mem_setup(void)
@@ -114,48 +134,23 @@ void __init plat_mem_setup(void)
#error invalid SiByte board configuration
#endif
- panic_timeout = 5; /* For debug. */
-
- board_time_init = swarm_time_init;
board_be_handler = swarm_be_handler;
- if (xicor_probe()) {
- printk("swarm setup: Xicor 1241 RTC detected.\n");
- rtc_mips_get_time = xicor_get_time;
- rtc_mips_set_time = xicor_set_time;
- }
-
- if (m41t81_probe()) {
- printk("swarm setup: M41T81 RTC detected.\n");
- rtc_mips_get_time = m41t81_get_time;
- rtc_mips_set_time = m41t81_set_time;
- }
-
- printk("This kernel optimized for "
-#ifdef CONFIG_SIMULATION
- "simulation"
-#else
- "board"
-#endif
- " runs "
-#ifdef CONFIG_SIBYTE_CFE
- "with"
-#else
- "without"
-#endif
- " CFE\n");
+ 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