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Diffstat (limited to 'packages/linux/linux-ezx-2.6.23/patches/ezx-pm.patch')
-rw-r--r--packages/linux/linux-ezx-2.6.23/patches/ezx-pm.patch108
1 files changed, 108 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.23/patches/ezx-pm.patch b/packages/linux/linux-ezx-2.6.23/patches/ezx-pm.patch
new file mode 100644
index 0000000000..aa2d83b24e
--- /dev/null
+++ b/packages/linux/linux-ezx-2.6.23/patches/ezx-pm.patch
@@ -0,0 +1,108 @@
+Index: linux-2.6.23/arch/arm/mach-pxa/pxa27x.c
+===================================================================
+--- linux-2.6.23.orig/arch/arm/mach-pxa/pxa27x.c 2007-10-09 22:31:38.000000000 +0200
++++ linux-2.6.23/arch/arm/mach-pxa/pxa27x.c 2007-10-23 12:25:34.000000000 +0200
+@@ -25,6 +25,10 @@
+ #include <asm/arch/pm.h>
+ #include <asm/arch/dma.h>
+
++#ifdef CONFIG_PXA_EZX
++#include <asm/arch/ezx.h>
++#endif
++
+ #include "generic.h"
+ #include "devices.h"
+
+@@ -192,7 +196,12 @@
+ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
+ {
+ /* ensure not to come back here if it wasn't intended */
++#ifdef CONFIG_PXA_EZX
++ *(unsigned long *)(phys_to_virt(RESUME_ADDR)) = 0;
++ *(unsigned long *)(phys_to_virt(FLAG_ADDR)) = OFF_FLAG;
++#else
+ PSPR = 0;
++#endif
+
+ /* restore registers */
+ RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1);
+@@ -242,7 +251,13 @@
+ break;
+ case PM_SUSPEND_MEM:
+ /* set resume return address */
++#ifdef CONFIG_PXA_EZX
++ /* set EZX flags for blob - WM */
++ *(unsigned long *)(phys_to_virt(RESUME_ADDR)) = virt_to_phys(pxa_cpu_resume);
++ *(unsigned long *)(phys_to_virt(FLAG_ADDR)) = SLEEP_FLAG;
++#else
+ PSPR = virt_to_phys(pxa_cpu_resume);
++#endif
+ pxa27x_cpu_suspend(PWRMODE_SLEEP);
+ break;
+ }
+Index: linux-2.6.23/arch/arm/mach-pxa/ezx.c
+===================================================================
+--- linux-2.6.23.orig/arch/arm/mach-pxa/ezx.c 2007-10-23 12:23:34.000000000 +0200
++++ linux-2.6.23/arch/arm/mach-pxa/ezx.c 2007-10-23 12:27:30.000000000 +0200
+@@ -19,6 +19,7 @@
+ #include <asm/arch/pxa-regs.h>
+ #include <asm/arch/ohci.h>
+ #include <asm/arch/ezx.h>
++#include <asm/arch/system.h>
+
+ #include "generic.h"
+
+@@ -122,8 +123,53 @@
+ &ezxbp_device,
+ };
+
++/* PM */
++extern int bp_handshake_passed(void);
++
++static void ezx_reboot_poweroff(char mode)
++{
++ *(unsigned long *)(phys_to_virt(BPSIG_ADDR)) = NO_FLAG;
++ cpu_proc_fin();
++
++#ifdef CONFIG_EZX_BP
++ 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');
++ 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 = (1 << CKEN_OSTIMER) | (1 << CKEN_MEMC);
+
+ pxa_gpio_mode(GPIO_ICL_FFRXD_MD);