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Index: linux-2.6.21/arch/arm/mach-pxa/pxa27x.c
===================================================================
--- 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>
+#ifdef CONFIG_PXA_EZX
+#include <asm/arch/ezx.h>
+#endif
+
#include "generic.h"
/* Crystal clock: 13MHz */
@@ -156,7 +160,13 @@
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
pxa_cpu_suspend(PWRMODE_SLEEP);
break;
}
Index: linux-2.6.21/arch/arm/mach-pxa/pm.c
===================================================================
--- 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>
+#ifdef CONFIG_PXA_EZX
+#include <asm/arch/ezx.h>
+#endif
+
/*
* Debug macros
@@ -152,8 +156,12 @@
}
/* 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); 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);
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