diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/ezx-pm.patch')
-rw-r--r-- | packages/linux/linux-ezx-2.6.21/ezx-pm.patch | 90 |
1 files changed, 86 insertions, 4 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/ezx-pm.patch b/packages/linux/linux-ezx-2.6.21/ezx-pm.patch index 4ad66936c9..85b6f5c15d 100644 --- a/packages/linux/linux-ezx-2.6.21/ezx-pm.patch +++ b/packages/linux/linux-ezx-2.6.21/ezx-pm.patch @@ -1,7 +1,7 @@ Index: linux-2.6.21/arch/arm/mach-pxa/pxa27x.c =================================================================== ---- linux-2.6.21.orig/arch/arm/mach-pxa/pxa27x.c 2007-05-03 17:41:39.000000000 -0300 -+++ linux-2.6.21/arch/arm/mach-pxa/pxa27x.c 2007-05-03 17:43:42.000000000 -0300 +--- linux-2.6.21.orig/arch/arm/mach-pxa/pxa27x.c 2007-05-08 16:29:23.000000000 -0300 ++++ linux-2.6.21/arch/arm/mach-pxa/pxa27x.c 2007-05-08 16:29:36.000000000 -0300 @@ -22,6 +22,10 @@ #include <asm/arch/pxa-regs.h> #include <asm/arch/ohci.h> @@ -29,8 +29,8 @@ Index: linux-2.6.21/arch/arm/mach-pxa/pxa27x.c } Index: linux-2.6.21/arch/arm/mach-pxa/pm.c =================================================================== ---- linux-2.6.21.orig/arch/arm/mach-pxa/pm.c 2007-05-03 17:41:39.000000000 -0300 -+++ linux-2.6.21/arch/arm/mach-pxa/pm.c 2007-05-04 03:51:15.000000000 -0300 +--- linux-2.6.21.orig/arch/arm/mach-pxa/pm.c 2007-05-08 16:29:23.000000000 -0300 ++++ linux-2.6.21/arch/arm/mach-pxa/pm.c 2007-05-08 16:29:36.000000000 -0300 @@ -24,6 +24,10 @@ #include <asm/arch/lubbock.h> #include <asm/mach/time.h> @@ -56,3 +56,85 @@ Index: linux-2.6.21/arch/arm/mach-pxa/pm.c /* restore registers */ RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); +Index: linux-2.6.21/arch/arm/mach-pxa/ezx.c +=================================================================== +--- linux-2.6.21.orig/arch/arm/mach-pxa/ezx.c 2007-05-08 16:29:36.000000000 -0300 ++++ linux-2.6.21/arch/arm/mach-pxa/ezx.c 2007-05-08 16:32:56.000000000 -0300 +@@ -18,6 +18,7 @@ + #include <asm/arch/pxafb.h> + #include <asm/arch/pxa-regs.h> + #include <asm/arch/ohci.h> ++#include <asm/arch/system.h> + + #include "generic.h" + #include "ezx.h" +@@ -137,8 +138,69 @@ + &ezxbp_device, + }; + ++/* PM */ ++extern int bp_handshake_passed(void); ++ ++#define POWER_OFF_TIMEOUT (2*60*HZ) ++ ++static void ezx_reboot_poweroff(char mode) ++{ ++#ifdef CONFIG_EZX_BP ++ unsigned long start = jiffies; ++ ++ printk("Waiting for BP to turn off. This can take some time...\n"); ++ *(unsigned long *)(phys_to_virt(BPSIG_ADDR)) = NO_FLAG; ++ cpu_proc_fin(); ++ ++ do { ++ /* ++ * Turn off gracefully. Wait BP turn off first, and then ++ * properly turn off. ++ */ ++ if (pxa_gpio_get_value(GPIO_BB_WDI) == 0) { ++ *(unsigned long *)(phys_to_virt(BPSIG_ADDR)) = WDI_FLAG; ++ ++ /* reset BP */ ++ pxa_gpio_set_value(GPIO_BB_RESET, 0); ++ mdelay(1); ++ pxa_gpio_set_value(GPIO_BB_RESET, 1); ++ ++ if (mode == 'z') ++ arch_reset('h'); ++ break; ++ } ++ /* Just turn it off! */ ++ if (!bp_handshake_passed() || !pxa_gpio_get_value(GPIO_BB_WDI2) ++ || (jiffies - start) >= POWER_OFF_TIMEOUT) { ++ break; ++ } ++ } while(1); ++#endif ++ ++ if (mode == 'z') ++ /* Panic! Ask PCAP to turn both processors off */ ++ pxa_gpio_set_value(GPIO_WDI_AP, 0); ++ else ++ arm_machine_restart(mode); ++ ++ while(1); ++} ++ ++static inline void ezx_poweroff(void) ++{ ++ ezx_reboot_poweroff('z'); ++} ++ ++static inline void ezx_restart(char mode) ++{ ++ ezx_reboot_poweroff(mode); ++} ++ + static int __init ezx_init(void) + { ++ pm_power_off = ezx_poweroff; ++ arm_pm_restart = ezx_restart; ++ + CKEN = CKEN9_OSTIMER | CKEN22_MEMC; + + ezx_ssp_set_machinfo(&ezx_ssp_machinfo); |