[Hackndev-commit] SF.net SVN: hackndev: [1209] linux4palm/linux/trunk/arch/arm/mach-pxa

[<hap...@us...>]

Revision: 1209
          http://hackndev.svn.sourceforge.net/hackndev/?rev=1209&view=rev
Author:   happy-slapin
Date:     2007-07-27 16:13:41 -0700 (Fri, 27 Jul 2007)

Log Message:
-----------
z72: some smoked code:
* Sleep mode works now! Requires proper testing though.
* Recovering 1 location which broke kernel task wakeup handling
  because PalmOS bl overwrite it.

Modified Paths:
--------------
    linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
    linux4palm/linux/trunk/arch/arm/mach-pxa/pxa27x.c

Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c	2007-07-24 17:44:21 UTC (rev 1208)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c	2007-07-27 23:13:41 UTC (rev 1209)
@@ -52,8 +52,16 @@
 	/* Turn off USB power */
 	SET_PALMZ72_GPIO(USB_POWER,0);
 
+        /* hold current GPIO levels for now
+         * TODO: find out what we can disable.
+         */
+        PGSR0 = GPLR0;
+        PGSR1 = GPLR1;
+        PGSR2 = GPLR2;
+        PGSR3 = GPLR3;
 	
 	/* disable GPIO reset - DO NOT REMOVE! */
+	/* not it, but we can't sleep otherwise */
 	PCFR &= PCFR_GPR_EN;
 
     	return 0;
@@ -107,7 +115,7 @@
 	.domain_access = 0,
 	.process_id = 0,
 };
-
+static unsigned long store_ptr;
 static void palmz72_pxa_ll_pm_suspend(unsigned long resume_addr)
 {
 	/* hold current GPIO levels on outputs */
@@ -118,11 +126,14 @@
 
 	/* setup the resume_info struct for the original bootloader */
 	palmz72_resume_info.resume_addr = resume_addr;
+	printk(KERN_INFO "PSPR=%lu\n", virt_to_phys(&palmz72_resume_info));
+	store_ptr = *((unsigned long *)0xc0000050);
 	PSPR = virt_to_phys(&palmz72_resume_info);
 }
 
 static void palmz72_pxa_ll_pm_resume(void)
 {
+	*((unsigned long *)0xc0000050) = store_ptr;
 	/* For future */
 }
 

Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/pxa27x.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/pxa27x.c	2007-07-24 17:44:21 UTC (rev 1208)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/pxa27x.c	2007-07-27 23:13:41 UTC (rev 1209)
@@ -153,7 +153,7 @@
 		break;
 	case PM_SUSPEND_MEM:
 		if(machine_is_xscale_palmld() || machine_is_xscale_palmtx() ||
-			machine_is_palmz72() ||  machine_is_xscale_palmtt5()) {
+			machine_is_xscale_palmtt5()) {
 			/* For safety. suspend_mem puts the device in an unresetable 
 			 * state.
 	 		 * On TX one needs to desolder the battery to get out of it.


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