X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-pxa%2Fpm.c;h=901ee6880016c8d0d88cf751af0d479c8f6e2650;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=b1103400b8e77462b9dd97966af086ac0cb92b83;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index b1103400b..901ee6880 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -19,6 +19,9 @@
 #include <asm/hardware.h>
 #include <asm/memory.h>
 #include <asm/system.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/lubbock.h>
+#include <asm/mach/time.h>
 
 
 /*
@@ -32,6 +35,11 @@ extern void pxa_cpu_resume(void);
 #define SAVE(x)		sleep_save[SLEEP_SAVE_##x] = x
 #define RESTORE(x)	x = sleep_save[SLEEP_SAVE_##x]
 
+#define RESTORE_GPLEVEL(n) do { \
+	GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
+	GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
+} while (0)
+
 /*
  * List of global PXA peripheral registers to preserve.
  * More ones like CP and general purpose register values are preserved
@@ -39,19 +47,13 @@ extern void pxa_cpu_resume(void);
  */
 enum {	SLEEP_SAVE_START = 0,
 
-	SLEEP_SAVE_OSCR, SLEEP_SAVE_OIER,
-	SLEEP_SAVE_OSMR0, SLEEP_SAVE_OSMR1, SLEEP_SAVE_OSMR2, SLEEP_SAVE_OSMR3,
-
+	SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2,
 	SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2,
 	SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2,
 	SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2,
 	SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR2_L,
 	SLEEP_SAVE_GAFR0_U, SLEEP_SAVE_GAFR1_U, SLEEP_SAVE_GAFR2_U,
 
-	SLEEP_SAVE_FFIER, SLEEP_SAVE_FFLCR, SLEEP_SAVE_FFMCR,
-	SLEEP_SAVE_FFSPR, SLEEP_SAVE_FFISR,
-	SLEEP_SAVE_FFDLL, SLEEP_SAVE_FFDLH,
-
 	SLEEP_SAVE_ICMR,
 	SLEEP_SAVE_CKEN,
 
@@ -61,42 +63,22 @@ enum {	SLEEP_SAVE_START = 0,
 };
 
 
-static int pxa_pm_enter(u32 state)
+static int pxa_pm_enter(suspend_state_t state)
 {
 	unsigned long sleep_save[SLEEP_SAVE_SIZE];
 	unsigned long checksum = 0;
-	unsigned long delta;
+	struct timespec delta, rtc;
 	int i;
 
 	if (state != PM_SUSPEND_MEM)
 		return -EINVAL;
 
 	/* preserve current time */
-	delta = xtime.tv_sec - RCNR;
-
-	/*
-	 * Temporary solution.  This won't be necessary once
-	 * we move pxa support into the serial driver
-	 * Save the FF UART
-	 */
-	SAVE(FFIER);
-	SAVE(FFLCR);
-	SAVE(FFMCR);
-	SAVE(FFSPR);
-	SAVE(FFISR);
-	FFLCR |= 0x80;
-	SAVE(FFDLL);
-	SAVE(FFDLH);
-	FFLCR &= 0xef;
-
-	/* save vital registers */
-	SAVE(OSCR);
-	SAVE(OSMR0);
-	SAVE(OSMR1);
-	SAVE(OSMR2);
-	SAVE(OSMR3);
-	SAVE(OIER);
+	rtc.tv_sec = RCNR;
+	rtc.tv_nsec = 0;
+	save_time_delta(&delta, &rtc);
 
+	SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2);
 	SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2);
 	SAVE(GRER0); SAVE(GRER1); SAVE(GRER2);
 	SAVE(GFER0); SAVE(GFER1); SAVE(GFER2);
@@ -146,21 +128,15 @@ static int pxa_pm_enter(u32 state)
 	PSPR = 0;
 
 	/* restore registers */
-	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
-	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
-	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
 	RESTORE(GAFR0_L); RESTORE(GAFR0_U);
 	RESTORE(GAFR1_L); RESTORE(GAFR1_U);
 	RESTORE(GAFR2_L); RESTORE(GAFR2_U);
+	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
+	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
+	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
 
-	PSSR = PSSR_PH;
-
-	RESTORE(OSMR0);
-	RESTORE(OSMR1);
-	RESTORE(OSMR2);
-	RESTORE(OSMR3);
-	RESTORE(OSCR);
-	RESTORE(OIER);
+	PSSR = PSSR_RDH | PSSR_PH;
 
 	RESTORE(CKEN);
 
@@ -168,24 +144,9 @@ static int pxa_pm_enter(u32 state)
 	ICCR = 1;
 	RESTORE(ICMR);
 
-	/*
-	 * Temporary solution.  This won't be necessary once
-	 * we move pxa support into the serial driver.
-	 * Restore the FF UART.
-	 */
-	RESTORE(FFMCR);
-	RESTORE(FFSPR);
-	RESTORE(FFLCR);
-	FFLCR |= 0x80;
-	RESTORE(FFDLH);
-	RESTORE(FFDLL);
-	RESTORE(FFLCR);
-	RESTORE(FFISR);
-	FFFCR = 0x07;
-	RESTORE(FFIER);
-
 	/* restore current time */
-	xtime.tv_sec = RCNR + delta;
+	rtc.tv_sec = RCNR;
+	restore_time_delta(&delta, &rtc);
 
 #ifdef DEBUG
 	printk(KERN_DEBUG "*** made it back from resume\n");
@@ -202,7 +163,7 @@ unsigned long sleep_phys_sp(void *sp)
 /*
  * Called after processes are frozen, but before we shut down devices.
  */
-static int pxa_pm_prepare(u32 state)
+static int pxa_pm_prepare(suspend_state_t state)
 {
 	return 0;
 }
@@ -210,7 +171,7 @@ static int pxa_pm_prepare(u32 state)
 /*
  * Called after devices are re-setup, but before processes are thawed.
  */
-static int pxa_pm_finish(u32 state)
+static int pxa_pm_finish(suspend_state_t state)
 {
 	return 0;
 }