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From: <z7...@us...> - 2007-01-18 08:26:49
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Revision: 762
http://svn.sourceforge.net/hackndev/?rev=762&view=rev
Author: z72ka
Date: 2007-01-18 00:25:56 -0800 (Thu, 18 Jan 2007)
Log Message:
-----------
Palmz72: Added suspend/resume support
Added Paths:
-----------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Added: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c (rev 0)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-18 08:25:56 UTC (rev 762)
@@ -0,0 +1,71 @@
+/*
+ * PalmOne Zire72 suspend/resume support
+ *
+ * Author: Jan Herman <2h...@se...>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/pm.h>
+
+#include <asm/arch/pxa-pm_ll.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+
+#include <asm/arch/palmz72-gpio.h>
+
+
+static void palmz72_pxa_ll_pm_suspend(unsigned long resume_addr)
+{
+
+ /* Wake up on Voice Memo button*/
+ PWER |= PWER_GPIO13;
+ /* Wake up on RTC alaram is possibile */
+ //PWER |= PWER_RTC;
+ PRER |= PWER_GPIO13;
+
+ /* USB, in theory this can even wake us from deep sleep */
+ PWER |= PWER_GPIO15;
+ PFER |= PWER_GPIO15;
+ PRER |= PWER_GPIO15;
+
+ /* Turn off LCD power */
+ SET_PALMZ72_GPIO(LCD_POWER,0);
+ /* Turn off USB power */
+ SET_PALMZ72_GPIO(USB_POWER,0);
+
+
+ /* disable GPIO reset, palm bootloader will hang us */
+ //PCFR |= PCFR_GPR_EN | PCFR_OPDE;
+ PCFR &= PCFR_GPR_EN;
+
+ return;
+}
+
+static void palmz72_pxa_ll_pm_resume(void)
+{
+
+ /* re-enable GPIO reset */
+ PCFR |= PCFR_GPR_EN;
+
+ /* Turn on LCD power */
+ SET_PALMZ72_GPIO(LCD_POWER,1);
+
+ /* Turn on USB power */
+ SET_PALMZ72_GPIO(USB_POWER,1);
+}
+
+struct pxa_ll_pm_ops palmz72_ll_pm_ops = {
+ .suspend = palmz72_pxa_ll_pm_suspend,
+ .resume = palmz72_pxa_ll_pm_resume,
+};
+
+MODULE_AUTHOR("Jan Herman <2h...@se...>");
+MODULE_DESCRIPTION("PalmOne Zire72 suspend/resume support driver");
+MODULE_LICENSE("GPL");
+
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From: <hap...@us...> - 2007-01-23 19:11:20
|
Revision: 780
http://svn.sourceforge.net/hackndev/?rev=780&view=rev
Author: happy-slapin
Date: 2007-01-23 11:11:18 -0800 (Tue, 23 Jan 2007)
Log Message:
-----------
Fixed function parameter list
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-23 18:34:39 UTC (rev 779)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-23 19:11:18 UTC (rev 780)
@@ -53,7 +53,7 @@
return 0;
}
-static int palmz72_resume(struct device *dev, pm_message_t state)
+static int palmz72_resume(struct device *dev)
{
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From: <hap...@us...> - 2007-01-29 18:51:28
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Revision: 782
http://svn.sourceforge.net/hackndev/?rev=782&view=rev
Author: happy-slapin
Date: 2007-01-29 10:51:17 -0800 (Mon, 29 Jan 2007)
Log Message:
-----------
z72: Keyboard wakeup
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-25 08:26:06 UTC (rev 781)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-29 18:51:17 UTC (rev 782)
@@ -34,6 +34,9 @@
{
/* Wake-Up on Voice memo button - GPIO 13 */
PWER |= PWER_GPIO13 | PWER_RTC | PWER_WEP1;
+
+ /* Wakeup by keyboard :) */
+ PKWR |= 0xfffff;
PRER |= PWER_GPIO13;
/* Enabled Deep-Sleep mode ?? */
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From: <hap...@us...> - 2007-01-29 19:17:33
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Revision: 783
http://svn.sourceforge.net/hackndev/?rev=783&view=rev
Author: happy-slapin
Date: 2007-01-29 11:17:25 -0800 (Mon, 29 Jan 2007)
Log Message:
-----------
z72: Limit wakeup to actual keys an not whole bunch of stuff
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-29 18:51:17 UTC (rev 782)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-29 19:17:25 UTC (rev 783)
@@ -36,7 +36,7 @@
PWER |= PWER_GPIO13 | PWER_RTC | PWER_WEP1;
/* Wakeup by keyboard :) */
- PKWR |= 0xfffff;
+ PKWR |= 0xe0000;
PRER |= PWER_GPIO13;
/* Enabled Deep-Sleep mode ?? */
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From: <hap...@us...> - 2007-01-29 19:57:13
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Revision: 784
http://svn.sourceforge.net/hackndev/?rev=784&view=rev
Author: happy-slapin
Date: 2007-01-29 11:42:21 -0800 (Mon, 29 Jan 2007)
Log Message:
-----------
z72: Fixed header
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-29 19:17:25 UTC (rev 783)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-29 19:42:21 UTC (rev 784)
@@ -1,9 +1,9 @@
/************************************************************************
* PalmOne Zire72 suspend/resume support *
* *
- * Author: Jan Herman <2h...@se...> *
+ * Authos: Jan Herman <2h...@se...> *
+ * Sergey Lapin <sla...@gm...> *
* *
- * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License version 2 as *
* published by the Free Software Foundation. *
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From: <hap...@us...> - 2007-01-31 18:52:39
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Revision: 786
http://svn.sourceforge.net/hackndev/?rev=786&view=rev
Author: happy-slapin
Date: 2007-01-31 10:52:36 -0800 (Wed, 31 Jan 2007)
Log Message:
-----------
z72: Preparations for delayed resume
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-30 12:54:28 UTC (rev 785)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-01-31 18:52:36 UTC (rev 786)
@@ -24,11 +24,15 @@
#include <asm/arch/pxa-regs.h>
#include <asm/arch/palmz72-gpio.h>
+#include <asm/arch/pxa27x_keyboard.h>
+#define KPASMKP(col) (col/2==0 ? KPASMKP0 : col/2==1 ? KPASMKP1 : col/2==2 ? KPASMKP2 : KPASMKP3)
+#define KPASMKPx_MKC(row, col) (1 << (row + 16*(col%2)))
+
struct pm_save_data
{
int brightness;
- u32 jiffies;
+ u32 rcnr;
};
static struct pm_save_data pm_save_data;
@@ -36,24 +40,25 @@
#ifdef CONFIG_PM
static int palmz72_suspend(struct device *dev, pm_message_t state)
{
- /* Wake-Up on Voice memo button - GPIO 13 */
- PWER |= PWER_GPIO13 | PWER_RTC | PWER_WEP1;
+ /* Wake-Up on RTC event, etc. */
+ PWER |= PWER_RTC | PWER_WEP1;
/* Wakeup by keyboard :) */
- PKWR |= 0xe0000;
+ PKWR = 0xe0001;
- PRER |= PWER_GPIO13;
/* Enabled Deep-Sleep mode ?? */
PCFR |= PCFR_DS;
/* Low power mode */
PCFR |= PCFR_OPDE;
+
+ /* 3.6.8.1 */
+ while(!(OSCC & OSCC_OOK))
+ {}
/* Here are all of special for suspend PalmOne Zire 72 */
//printk("Palmz72_suspend: suspending...");
- SET_PALMZ72_GPIO(LED, 0);
-
/* Turn off LCD power */
SET_PALMZ72_GPIO(LCD_POWER,0);
/* Turn off USB power */
@@ -83,8 +88,6 @@
/* Turn on USB power */
SET_PALMZ72_GPIO(USB_POWER,1);
- SET_PALMZ72_GPIO(LED, 1);
-
return 0;
}
#else
@@ -108,41 +111,83 @@
.resume = palmz72_pxa_ll_pm_resume,
};
-static int (*pxa_pm_enter)(suspend_state_t state);
+static int (*pxa_pm_enter_orig)(suspend_state_t state);
+#define KBD_ROWS 4
+#define KBD_COLS 3
+#if 0
+static int check_buttons(void)
+{
+ int data = 0, row, col;
+ u32 storekpc = KPC;
+
+ data = GET_GPIO(GPIO_NR_PALMZ72_KP_DKIN7) && 1;
+
+ pxa_set_cken(CKEN19_KEYPAD, 1);
-static void zire72_goto_sleep(suspend_state_t state)
-{
- pxa_pm_enter(state);
+ KPC |= KBD_ROWS << 26;
+ KPC |= KBD_COLS << 23;
+
+ KPC &= ~(KPC_ASACT|KPC_AS|KPC_IMKP|KPC_DE|KPC_DIE|KPC_MIE);
+
+ /* Processing automatic scan once */
+ KPC |= KPC_ME | KPC_AS;
+
+ for (row=0; row < KBD_ROWS; row++) {
+ for (col=0; col < KBD_COLS; col++) {
+ data |= (KPASMKP(col) & KPASMKPx_MKC(row, col) && 1) << 2;
+ }
+ }
+
+
+// pxa_set_cken(CKEN19_KEYPAD, 0);
+ KPC = storekpc;
+ return data;
}
-
+#endif
static int zire72_enter_suspend(suspend_state_t state)
{
/* Here we should implement wakeup conditions
If we have none, just return 1 to continue
sleeping */
- if(PKSR & 0x00001) {
- printk(KERN_NOTICE "Returning from sleep due to GPIO13\n");
- return 0;
- }
- if(jiffies < ( pm_save_data.jiffies + msecs_to_jiffies(5000))) {
- if(!(PKSR & 0xe0001))
- pm_save_data.jiffies = jiffies;
- zire72_goto_sleep(state);
+ int data = 0;
+
+ /* Do not suspend on active keypress */
+#if 0
+ if(check_buttons())
return 1;
+#endif
+ pxa_pm_enter_orig(state);
+
+#if 0
+ if(!pm_save_data.rcnr) pm_save_data.rcnr = RCNR;
+ while(RCNR < ( pm_save_data.rcnr + 3)) {
+
+ /* If we release button, sleep back */
+ if(!(data = check_buttons())) {
+ pm_save_data.rcnr = 0;
+ return 1;
+ }
}
- if(PKSR & 0xe0001) {
- printk(KERN_NOTICE "Returning from sleep due to GPIOs 100-102 or 13\n");
- return 0;
- }
- return 1;
+#endif
+ printk(KERN_NOTICE "Returning from sleep due to GPIOs 100-102 or 13\n");
+ printk(KERN_NOTICE "RCNR = %u pm_save_data.rcnr = %u\n", RCNR, pm_save_data.rcnr);
+ printk(KERN_NOTICE "Keys pressed: %d\n", data);
+ pm_save_data.rcnr = 0;
+ return 0;
}
static int zire72_pxa_pm_enter(suspend_state_t state)
{
- pm_save_data.jiffies = jiffies;
- zire72_goto_sleep(state);
+ pm_save_data.rcnr = 0;
+#if 0
+ /* Do not suspend on active keypress */
+ if(check_buttons())
+ return 0;
+#endif
+ pxa_pm_enter_orig(state);
+
while (zire72_enter_suspend(state))
{}
return 0;
@@ -160,9 +205,6 @@
static int palmz72_pm_probe(struct device *dev)
{
- pm_save_data.jiffies = jiffies;
- pxa_pm_enter = pxa_pm_ops.enter;
- pm_set_ops(&zire72_pm_ops);
printk(KERN_NOTICE "PalmOne Zire72 power management driver registered\n");
return 0;
}
@@ -177,18 +219,20 @@
static int __init palmz72_pm_init(void)
{
+ pxa_pm_enter_orig = pxa_pm_ops.enter;
+ pxa_pm_ops.enter = zire72_pxa_pm_enter;
return driver_register(&palmz72_pm_driver);
}
static void __exit palmz72_pm_exit(void)
{
- pxa_pm_ops.enter = pxa_pm_enter;
+ pxa_pm_ops.enter = pxa_pm_enter_orig;
driver_unregister(&palmz72_pm_driver);
}
module_init(palmz72_pm_init);
module_exit(palmz72_pm_exit);
-MODULE_AUTHOR("Jan Herman <2h...@se...>");
+MODULE_AUTHOR("Jan Herman <2h...@se...>, Sergey Lapin <sla...@gm...>");
MODULE_DESCRIPTION("PalmOne Zire 72 power management driver");
MODULE_LICENSE("GPL");
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|
|
From: <hap...@us...> - 2007-03-20 16:40:25
|
Revision: 929
http://svn.sourceforge.net/hackndev/?rev=929&view=rev
Author: happy-slapin
Date: 2007-03-20 09:40:22 -0700 (Tue, 20 Mar 2007)
Log Message:
-----------
z72: PM cleanup
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-03-20 16:05:19 UTC (rev 928)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-03-20 16:40:22 UTC (rev 929)
@@ -26,17 +26,6 @@
#include <asm/arch/palmz72-gpio.h>
#include <asm/arch/pxa27x_keyboard.h>
-#define KPASMKP(col) (col/2==0 ? KPASMKP0 : col/2==1 ? KPASMKP1 : col/2==2 ? KPASMKP2 : KPASMKP3)
-#define KPASMKPx_MKC(row, col) (1 << (row + 16*(col%2)))
-
-struct pm_save_data
-{
- int brightness;
- u32 rcnr;
-};
-
-static struct pm_save_data pm_save_data;
-
#ifdef CONFIG_PM
static int palmz72_suspend(struct device *dev, pm_message_t state)
{
@@ -56,9 +45,6 @@
while(!(OSCC & OSCC_OOK))
{}
- /* Here are all of special for suspend PalmOne Zire 72 */
- //printk("Palmz72_suspend: suspending...");
-
/* Turn off LCD power */
SET_PALMZ72_GPIO(LCD_POWER,0);
/* Turn screen off */
@@ -115,98 +101,6 @@
.resume = palmz72_pxa_ll_pm_resume,
};
-static int (*pxa_pm_enter_orig)(suspend_state_t state);
-#define KBD_ROWS 4
-#define KBD_COLS 3
-#if 0
-static int check_buttons(void)
-{
- int data = 0, row, col;
- u32 storekpc = KPC;
-
- data = GET_GPIO(GPIO_NR_PALMZ72_KP_DKIN7) && 1;
-
- pxa_set_cken(CKEN19_KEYPAD, 1);
-
- KPC |= KBD_ROWS << 26;
- KPC |= KBD_COLS << 23;
-
- KPC &= ~(KPC_ASACT|KPC_AS|KPC_IMKP|KPC_DE|KPC_DIE|KPC_MIE);
-
- /* Processing automatic scan once */
- KPC |= KPC_ME | KPC_AS;
-
- for (row=0; row < KBD_ROWS; row++) {
- for (col=0; col < KBD_COLS; col++) {
- data |= (KPASMKP(col) & KPASMKPx_MKC(row, col) && 1) << 2;
- }
- }
-
-
-// pxa_set_cken(CKEN19_KEYPAD, 0);
- KPC = storekpc;
- return data;
-}
-#endif
-static int zire72_enter_suspend(suspend_state_t state)
-{
- /* Here we should implement wakeup conditions
- If we have none, just return 1 to continue
- sleeping */
- int data = 0;
-
- /* Do not suspend on active keypress */
-#if 0
- if(check_buttons())
- return 1;
-#endif
- pxa_pm_enter_orig(state);
-
-#if 0
- if(!pm_save_data.rcnr) pm_save_data.rcnr = RCNR;
- while(RCNR < ( pm_save_data.rcnr + 3)) {
-
- /* If we release button, sleep back */
- if(!(data = check_buttons())) {
- pm_save_data.rcnr = 0;
- return 1;
- }
- }
-#endif
- printk(KERN_NOTICE "Returning from sleep due to GPIOs 100-102 or 13\n");
- printk(KERN_NOTICE "RCNR = %u pm_save_data.rcnr = %u\n", RCNR, pm_save_data.rcnr);
- printk(KERN_NOTICE "Keys pressed: %d\n", data);
- pm_save_data.rcnr = 0;
- return 0;
-}
-
-
-static int zire72_pxa_pm_enter(suspend_state_t state)
-{
- pm_save_data.rcnr = 0;
-
-#if 0
- /* Do not suspend on active keypress */
- if(check_buttons())
- return 0;
-#endif
- pxa_pm_enter_orig(state);
-
- while (zire72_enter_suspend(state))
- {}
- return 0;
-}
-
-
-static struct pm_ops zire72_pm_ops = {
- .pm_disk_mode = PM_DISK_FIRMWARE,
- .prepare = pxa_pm_prepare,
- .enter = zire72_pxa_pm_enter,
- .finish = pxa_pm_finish,
-};
-
-extern struct pm_ops pxa_pm_ops;
-
static int palmz72_pm_probe(struct device *dev)
{
printk(KERN_NOTICE "PalmOne Zire72 power management driver registered\n");
@@ -223,14 +117,11 @@
static int __init palmz72_pm_init(void)
{
- pxa_pm_enter_orig = pxa_pm_ops.enter;
- pxa_pm_ops.enter = zire72_pxa_pm_enter;
return driver_register(&palmz72_pm_driver);
}
static void __exit palmz72_pm_exit(void)
{
- pxa_pm_ops.enter = pxa_pm_enter_orig;
driver_unregister(&palmz72_pm_driver);
}
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|
|
From: <z7...@us...> - 2007-03-29 11:02:16
|
Revision: 945
http://svn.sourceforge.net/hackndev/?rev=945&view=rev
Author: z72ka
Date: 2007-03-29 04:02:13 -0700 (Thu, 29 Mar 2007)
Log Message:
-----------
palmz72: fixed safety acquisition for suspend - now disabling GPIO reset works
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-03-29 07:33:00 UTC (rev 944)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-03-29 11:02:13 UTC (rev 945)
@@ -54,7 +54,7 @@
/* disable GPIO reset - DO NOT REMOVE! */
- PCFR &= PCFR_GPR_EN;
+ PCFR = PCFR_GPROD;
return 0;
}
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|
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From: <z7...@us...> - 2007-03-29 18:55:04
|
Revision: 947
http://svn.sourceforge.net/hackndev/?rev=947&view=rev
Author: z72ka
Date: 2007-03-29 11:54:56 -0700 (Thu, 29 Mar 2007)
Log Message:
-----------
palmz72: enable gpio reset is safety on Z72 ...soory for my latest commit
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-03-29 13:53:13 UTC (rev 946)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-03-29 18:54:56 UTC (rev 947)
@@ -54,7 +54,7 @@
/* disable GPIO reset - DO NOT REMOVE! */
- PCFR = PCFR_GPROD;
+ PCFR &= PCFR_GPR_EN;
return 0;
}
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|
From: <bob...@us...> - 2007-07-21 07:50:07
|
Revision: 1189
http://svn.sourceforge.net/hackndev/?rev=1189&view=rev
Author: bobofdoom
Date: 2007-07-21 00:50:05 -0700 (Sat, 21 Jul 2007)
Log Message:
-----------
PalmZ72: Added logic that (should) enable waking from sleep to RAM via original bootloader.
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-07-20 15:51:04 UTC (rev 1188)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-07-21 07:50:05 UTC (rev 1189)
@@ -52,7 +52,7 @@
/* Turn off USB power */
SET_PALMZ72_GPIO(USB_POWER,0);
-
+
/* disable GPIO reset - DO NOT REMOVE! */
PCFR &= PCFR_GPR_EN;
@@ -85,10 +85,40 @@
#define palmz72_resume NULL
#endif
+static struct {
+ u32 magic0; /* 0x0 */
+ u32 magic1; /* 0x4 */
+ u32 resume_addr; /* 0x8 */
+ u32 pad[11]; /* 0xc..0x37 */
+
+ u32 arm_control; /* 0x38 */
+ u32 aux_control; /* 0x3c */
+ u32 ttb; /* 0x40 */
+ u32 domain_access; /* 0x44 */
+ u32 process_id; /* 0x48 */
+} palmz72_resume_info = {
+ .magic0 = 0xb4e6,
+ .magic1 = 1,
+
+ /* reset state, MMU off etc */
+ .arm_control = 0,
+ .aux_control = 0,
+ .ttb = 0,
+ .domain_access = 0,
+ .process_id = 0,
+};
+
static void palmz72_pxa_ll_pm_suspend(unsigned long resume_addr)
{
- /* For future */
- return;
+ /* hold current GPIO levels on outputs */
+ PGSR0 = GPLR0;
+ PGSR1 = GPLR1;
+ PGSR2 = GPLR2;
+ PGSR3 = GPLR3;
+
+ /* setup the resume_info struct for the original bootloader */
+ palmz72_resume_info.resume_addr = resume_addr;
+ PSPR = virt_to_phys(&palmz72_resume_info);
}
static void palmz72_pxa_ll_pm_resume(void)
@@ -104,6 +134,9 @@
static int palmz72_pm_probe(struct device *dev)
{
printk(KERN_NOTICE "PalmOne Zire72 power management driver registered\n");
+#ifdef CONFIG_PM
+ pxa_pm_set_ll_ops(&palmz72_ll_pm_ops);
+#endif
return 0;
}
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|
|
From: <hap...@us...> - 2007-07-27 23:38:29
|
Revision: 1210
http://hackndev.svn.sourceforge.net/hackndev/?rev=1210&view=rev
Author: happy-slapin
Date: 2007-07-27 16:38:07 -0700 (Fri, 27 Jul 2007)
Log Message:
-----------
palmz72: Cleanup, added comments.
Closes: 45
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-07-27 23:13:41 UTC (rev 1209)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c 2007-07-27 23:38:07 UTC (rev 1210)
@@ -93,6 +93,18 @@
#define palmz72_resume NULL
#endif
+/* We have some black magic here
+ * PalmOS ROM on recover expects special struct phys address
+ * to be transferred via PSPR. Using this struct PalmOS restores
+ * its state after sleep. As for Linux, we need to setup it the
+ * same way. More than that, PalmOS ROM changes some values in memory.
+ * For now only one location is found, which needs special treatment.
+ * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
+ * for reading backtraces for me :)
+ */
+
+#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
+
static struct {
u32 magic0; /* 0x0 */
u32 magic1; /* 0x4 */
@@ -127,14 +139,15 @@
/* 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);
+ /* Storing memory touched by ROM */
+ store_ptr = *PALMZ72_SAVE_DWORD;
PSPR = virt_to_phys(&palmz72_resume_info);
}
static void palmz72_pxa_ll_pm_resume(void)
{
- *((unsigned long *)0xc0000050) = store_ptr;
- /* For future */
+ /* Restoring memory touched by ROM */
+ *PALMZ72_SAVE_DWORD = store_ptr;
}
struct pxa_ll_pm_ops palmz72_ll_pm_ops = {
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
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