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authorSteven Miao <realmz6@gmail.com>2012-05-17 13:29:54 +0400
committerBob Liu <lliubbo@gmail.com>2012-05-21 10:54:50 +0400
commit0fbd88ca20a68a633b565e1f5ba18ca64afb0c78 (patch)
tree0c97e9c20a71ba20750f4e51d8e0e4a07e845ddd
parent7c141c1c5c148419eef8972688e86e2e3115ea13 (diff)
downloadlinux-0fbd88ca20a68a633b565e1f5ba18ca64afb0c78.tar.xz
blackfin: bf60x: add wakeup source select
Support select the wakeup source for power management on bf60x. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
-rw-r--r--arch/blackfin/Kconfig114
-rw-r--r--arch/blackfin/configs/BF609-EZKIT_defconfig5
-rw-r--r--arch/blackfin/include/asm/dpmc.h12
-rw-r--r--arch/blackfin/mach-bf609/pm.c83
-rw-r--r--arch/blackfin/mach-common/ints-priority.c3
-rw-r--r--arch/blackfin/mach-common/pm.c4
6 files changed, 192 insertions, 29 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 4e48e72291a9..383e7ecda923 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -1256,7 +1256,7 @@ config ARCH_SUSPEND_POSSIBLE
choice
prompt "Standby Power Saving Mode"
- depends on PM
+ depends on PM && !BF60x
default PM_BFIN_SLEEP_DEEPER
config PM_BFIN_SLEEP_DEEPER
bool "Sleep Deeper"
@@ -1311,6 +1311,118 @@ config PM_BFIN_WAKE_GP
On ADSP-BF549 this option enables the the same functionality on the
/MRXON pin also PH7.
+config PM_BFIN_WAKE_PA15
+ bool "Allow Wake-Up from PA15"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PA15 Wake-Up
+
+config PM_BFIN_WAKE_PA15_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PA15
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_PB15
+ bool "Allow Wake-Up from PB15"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PB15 Wake-Up
+
+config PM_BFIN_WAKE_PB15_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PB15
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_PC15
+ bool "Allow Wake-Up from PC15"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PC15 Wake-Up
+
+config PM_BFIN_WAKE_PC15_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PC15
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_PD06
+ bool "Allow Wake-Up from PD06(ETH0_PHYINT)"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PD06(ETH0_PHYINT) Wake-up
+
+config PM_BFIN_WAKE_PD06_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PD06
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_PE12
+ bool "Allow Wake-Up from PE12(ETH1_PHYINT, PUSH BUTTON)"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PE12(ETH1_PHYINT, PUSH BUTTON) Wake-up
+
+config PM_BFIN_WAKE_PE12_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PE12
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_PG04
+ bool "Allow Wake-Up from PG04(CAN0_RX)"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PG04(CAN0_RX) Wake-up
+
+config PM_BFIN_WAKE_PG04_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PG04
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_PG13
+ bool "Allow Wake-Up from PG13"
+ depends on PM && BF60x
+ default n
+ help
+ Enable PG13 Wake-Up
+
+config PM_BFIN_WAKE_PG13_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_PG13
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
+config PM_BFIN_WAKE_USB
+ bool "Allow Wake-Up from (USB)"
+ depends on PM && BF60x
+ default n
+ help
+ Enable (USB) Wake-up
+
+config PM_BFIN_WAKE_USB_POL
+ int "Wake-up priority"
+ depends on PM_BFIN_WAKE_USB
+ default 0
+ help
+ Wake-Up priority 0(low) 1(high)
+
endmenu
menu "CPU Frequency scaling"
diff --git a/arch/blackfin/configs/BF609-EZKIT_defconfig b/arch/blackfin/configs/BF609-EZKIT_defconfig
index 0864f7aaa572..be9526bee4fb 100644
--- a/arch/blackfin/configs/BF609-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF609-EZKIT_defconfig
@@ -33,7 +33,8 @@ CONFIG_CPLB_SWITCH_TAB_L1=y
CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
CONFIG_BINFMT_FLAT=y
CONFIG_BINFMT_ZFLAT=y
-# CONFIG_SUSPEND is not set
+CONFIG_PM_BFIN_WAKE_PE12=y
+CONFIG_PM_BFIN_WAKE_PE12_POL=1
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
@@ -119,7 +120,7 @@ CONFIG_SND_SOC_BFIN_EVAL_ADAU1X61=m
CONFIG_SND_SOC_ALL_CODECS=m
CONFIG_USB=y
CONFIG_USB_MUSB_HDRC=y
-CONFIG_USB_MUSB_BLACKFIN=y
+CONFIG_USB_MUSB_BLACKFIN=m
CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MUSB_HDRC=y
diff --git a/arch/blackfin/include/asm/dpmc.h b/arch/blackfin/include/asm/dpmc.h
index b47399cda6ed..528f47685781 100644
--- a/arch/blackfin/include/asm/dpmc.h
+++ b/arch/blackfin/include/asm/dpmc.h
@@ -729,6 +729,16 @@
#define VLEV_130 0x00F0 /* VLEV = 1.30 V (-5% - +10% Accuracy) */
#endif
+#ifdef CONFIG_BF60x
+#define PA15WE 0x00000001 /* Allow Wake-Up from PA15 */
+#define PB15WE 0x00000002 /* Allow Wake-Up from PB15 */
+#define PC15WE 0x00000004 /* Allow Wake-Up from PC15 */
+#define PD06WE 0x00000008 /* Allow Wake-Up from PD06(ETH0_PHYINT) */
+#define PE12WE 0x00000010 /* Allow Wake-Up from PE12(ETH1_PHYINT, PUSH BUTTON) */
+#define PG04WE 0x00000020 /* Allow Wake-Up from PG04(CAN0_RX) */
+#define PG13WE 0x00000040 /* Allow Wake-Up from PG13 */
+#define USBWE 0x00000080 /* Allow Wake-Up from (USB) */
+#else
#define WAKE 0x0100 /* Enable RTC/Reset Wakeup From Hibernate */
#define CANWE 0x0200 /* Enable CAN Wakeup From Hibernate */
#define PHYWE 0x0400 /* Enable PHY Wakeup From Hibernate */
@@ -744,7 +754,7 @@
#else
#define USBWE 0x0800 /* Enable USB Wakeup From Hibernate */
#endif
-
+#endif
#ifndef __ASSEMBLY__
diff --git a/arch/blackfin/mach-bf609/pm.c b/arch/blackfin/mach-bf609/pm.c
index bbc5a79b5e22..79cdf41096c2 100644
--- a/arch/blackfin/mach-bf609/pm.c
+++ b/arch/blackfin/mach-bf609/pm.c
@@ -212,6 +212,65 @@ void bfin_hibernate(unsigned long mask)
void bf609_cpu_pm_enter(suspend_state_t state)
{
int error;
+ unsigned long wakeup = 0;
+ unsigned long wakeup_pol = 0;
+
+#ifdef CONFIG_PM_BFIN_WAKE_PA15
+ wakeup |= PA15WE;
+# if CONFIG_PM_BFIN_WAKE_PA15_POL
+ wakeup_pol |= PA15WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_PB15
+ wakeup |= PB15WE;
+# if CONFIG_PM_BFIN_WAKE_PA15_POL
+ wakeup_pol |= PB15WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_PC15
+ wakeup |= PC15WE;
+# if CONFIG_PM_BFIN_WAKE_PC15_POL
+ wakeup_pol |= PC15WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_PD06
+ wakeup |= PD06WE;
+# if CONFIG_PM_BFIN_WAKE_PD06_POL
+ wakeup_pol |= PD06WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_PE12
+ wakeup |= PE12WE;
+# if CONFIG_PM_BFIN_WAKE_PE12_POL
+ wakeup_pol |= PE12WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_PG04
+ wakeup |= PG04WE;
+# if CONFIG_PM_BFIN_WAKE_PG04_POL
+ wakeup_pol |= PG04WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_PG13
+ wakeup |= PG13WE;
+# if CONFIG_PM_BFIN_WAKE_PG13_POL
+ wakeup_pol |= PG13WE;
+# endif
+#endif
+
+#ifdef CONFIG_PM_BFIN_WAKE_USB
+ wakeup |= USBWE;
+# if CONFIG_PM_BFIN_WAKE_USB_POL
+ wakeup_pol |= USBWE;
+# endif
+#endif
+
error = irq_set_irq_wake(255, 1);
if(error < 0)
printk(KERN_DEBUG "Unable to get irq wake\n");
@@ -220,9 +279,9 @@ void bf609_cpu_pm_enter(suspend_state_t state)
printk(KERN_DEBUG "Unable to get irq wake\n");
if (state == PM_SUSPEND_STANDBY)
- bfin_deepsleep(0xffff);
+ bfin_deepsleep(wakeup);
else {
- bfin_hibernate(0xffff);
+ bfin_hibernate(wakeup);
}
}
@@ -263,26 +322,8 @@ static int __init bf609_init_pm(void)
{
int irq;
int error;
- error = gpio_request(GPIO_PG4, "gpiopg4");
- if (error < 0) {
- printk(KERN_DEBUG "failed to request GPIO %d, error %d\n",
- GPIO_PG4, error);
- }
-
- irq = gpio_to_irq(GPIO_PG4);
- if (irq < 0) {
- error = irq;
- printk(KERN_DEBUG "Unable to get irq number for GPIO %d, error %d\n",
- GPIO_PG4, error);
- }
-
- printk(KERN_DEBUG "%s gpio %d irq %d\n", __func__, GPIO_PG4, irq);
-
- error = request_irq(irq, test_isr, IRQF_TRIGGER_FALLING | IRQF_NO_SUSPEND, "gpiopg4", NULL);
- if(error < 0)
- printk(KERN_DEBUG "Unable to get irq\n");
-#if 1
+#if CONFIG_PM_BFIN_WAKE_PE12
irq = gpio_to_irq(GPIO_PE12);
if (irq < 0) {
error = irq;
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 1146a6152ae6..2729cba715b0 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -437,7 +437,7 @@ static void bfin_internal_unmask_irq_chip(struct irq_data *d)
}
#endif
-#ifdef CONFIG_PM
+#if defined(CONFIG_PM) && !defined(CONFIG_BF60x)
int bfin_internal_set_wake(unsigned int irq, unsigned int state)
{
u32 bank, bit, wakeup = 0;
@@ -496,6 +496,7 @@ static int bfin_internal_set_wake_chip(struct irq_data *d, unsigned int state)
return bfin_internal_set_wake(d->irq, state);
}
#else
+# define bfin_internal_set_wake(irq, state)
# define bfin_internal_set_wake_chip NULL
#endif
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index c25c2f1c819c..610a3cdf3998 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -153,9 +153,6 @@ int bfin_pm_suspend_mem_enter(void)
#ifndef CONFIG_BF60x
wakeup = bfin_read_VR_CTL() & ~FREQ;
-#else
-
-#endif
wakeup |= SCKELOW;
#ifdef CONFIG_PM_BFIN_WAKE_PH6
@@ -164,6 +161,7 @@ int bfin_pm_suspend_mem_enter(void)
#ifdef CONFIG_PM_BFIN_WAKE_GP
wakeup |= GPWE;
#endif
+#endif
ret = blackfin_dma_suspend();