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linux: add RPi upstream patch

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Signed-off-by: Stephan Raue <stephan@openelec.tv>
This commit is contained in:
Stephan Raue 2012-10-25 22:32:55 +02:00
parent b7e12fdef8
commit a4d2c9931f
1 changed files with 65 additions and 0 deletions
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65
packages/linux/patches/linux-3.6.3-604-RPi_rebootfix.patch Normal file
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@ -0,0 +1,65 @@
diff -Naur linux-3.6.2.buildfix_patch/arch/arm/mach-bcm2708/bcm2708.c linux-3.6.2.reboot_patch/arch/arm/mach-bcm2708/bcm2708.c
--- linux-3.6.2.buildfix_patch/arch/arm/mach-bcm2708/bcm2708.c 2012-10-21 15:18:50.011567812 +0200
+++ linux-3.6.2.reboot_patch/arch/arm/mach-bcm2708/bcm2708.c 2012-10-25 21:25:36.797861085 +0200
@@ -658,6 +658,21 @@
return ret;
}
+static void bcm2708_restart(char mode, const char *cmd)
+{
+ uint32_t pm_rstc, pm_wdog;
+ uint32_t timeout = 10;
+
+ /* Setup watchdog for reset */
+ pm_rstc = readl(IO_ADDRESS(PM_RSTC));
+
+ pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0)
+ pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET;
+
+ writel(pm_wdog, IO_ADDRESS(PM_WDOG));
+ writel(pm_rstc, IO_ADDRESS(PM_RSTC));
+}
+
/* We can't really power off, but if we do the normal reset scheme, and indicate to bootcode.bin not to reboot, then most of the chip will be powered off */
static void bcm2708_power_off(void)
{
@@ -666,7 +681,7 @@
pm_rsts = PM_PASSWORD | (pm_rsts & PM_RSTC_WRCFG_CLR) | PM_RSTS_HADWRH_SET;
writel(pm_rsts, IO_ADDRESS(PM_RSTS));
/* continue with normal reset mechanism */
- arch_reset(0, "");
+ bcm2708_restart(0, "");
}
void __init bcm2708_init(void)
@@ -910,6 +925,7 @@
.timer =&bcm2708_timer,
.init_machine = bcm2708_init,
.init_early = bcm2708_init_early,
+ .restart = bcm2708_restart,
MACHINE_END
module_param(boardrev, uint, 0644);
diff -Naur linux-3.6.2.buildfix_patch/arch/arm/mach-bcm2708/include/mach/system.h linux-3.6.2.reboot_patch/arch/arm/mach-bcm2708/include/mach/system.h
--- linux-3.6.2.buildfix_patch/arch/arm/mach-bcm2708/include/mach/system.h 2012-10-21 15:18:50.011567812 +0200
+++ linux-3.6.2.reboot_patch/arch/arm/mach-bcm2708/include/mach/system.h 2012-10-25 21:24:43.121770267 +0200
@@ -35,19 +35,4 @@
cpu_do_idle();
}
-static inline void arch_reset(char mode, const char *cmd)
-{
- uint32_t pm_rstc, pm_wdog;
- uint32_t timeout = 10;
-
- /* Setup watchdog for reset */
- pm_rstc = readl(IO_ADDRESS(PM_RSTC));
-
- pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0)
- pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET;
-
- writel(pm_wdog, IO_ADDRESS(PM_WDOG));
- writel(pm_rstc, IO_ADDRESS(PM_RSTC));
-}
-
#endif