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Diffstat (limited to 'arch/arm/plat-omap/gpio.c')
-rw-r--r--arch/arm/plat-omap/gpio.c115
1 files changed, 67 insertions, 48 deletions
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 176c86e5531d..693839c89ad0 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -31,7 +31,7 @@
/*
* OMAP1510 GPIO registers
*/
-#define OMAP1510_GPIO_BASE IO_ADDRESS(0xfffce000)
+#define OMAP1510_GPIO_BASE OMAP1_IO_ADDRESS(0xfffce000)
#define OMAP1510_GPIO_DATA_INPUT 0x00
#define OMAP1510_GPIO_DATA_OUTPUT 0x04
#define OMAP1510_GPIO_DIR_CONTROL 0x08
@@ -45,10 +45,10 @@
/*
* OMAP1610 specific GPIO registers
*/
-#define OMAP1610_GPIO1_BASE IO_ADDRESS(0xfffbe400)
-#define OMAP1610_GPIO2_BASE IO_ADDRESS(0xfffbec00)
-#define OMAP1610_GPIO3_BASE IO_ADDRESS(0xfffbb400)
-#define OMAP1610_GPIO4_BASE IO_ADDRESS(0xfffbbc00)
+#define OMAP1610_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbe400)
+#define OMAP1610_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbec00)
+#define OMAP1610_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbb400)
+#define OMAP1610_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbbc00)
#define OMAP1610_GPIO_REVISION 0x0000
#define OMAP1610_GPIO_SYSCONFIG 0x0010
#define OMAP1610_GPIO_SYSSTATUS 0x0014
@@ -70,12 +70,12 @@
/*
* OMAP730 specific GPIO registers
*/
-#define OMAP730_GPIO1_BASE IO_ADDRESS(0xfffbc000)
-#define OMAP730_GPIO2_BASE IO_ADDRESS(0xfffbc800)
-#define OMAP730_GPIO3_BASE IO_ADDRESS(0xfffbd000)
-#define OMAP730_GPIO4_BASE IO_ADDRESS(0xfffbd800)
-#define OMAP730_GPIO5_BASE IO_ADDRESS(0xfffbe000)
-#define OMAP730_GPIO6_BASE IO_ADDRESS(0xfffbe800)
+#define OMAP730_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbc000)
+#define OMAP730_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbc800)
+#define OMAP730_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbd000)
+#define OMAP730_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbd800)
+#define OMAP730_GPIO5_BASE OMAP1_IO_ADDRESS(0xfffbe000)
+#define OMAP730_GPIO6_BASE OMAP1_IO_ADDRESS(0xfffbe800)
#define OMAP730_GPIO_DATA_INPUT 0x00
#define OMAP730_GPIO_DATA_OUTPUT 0x04
#define OMAP730_GPIO_DIR_CONTROL 0x08
@@ -86,12 +86,12 @@
/*
* OMAP850 specific GPIO registers
*/
-#define OMAP850_GPIO1_BASE IO_ADDRESS(0xfffbc000)
-#define OMAP850_GPIO2_BASE IO_ADDRESS(0xfffbc800)
-#define OMAP850_GPIO3_BASE IO_ADDRESS(0xfffbd000)
-#define OMAP850_GPIO4_BASE IO_ADDRESS(0xfffbd800)
-#define OMAP850_GPIO5_BASE IO_ADDRESS(0xfffbe000)
-#define OMAP850_GPIO6_BASE IO_ADDRESS(0xfffbe800)
+#define OMAP850_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbc000)
+#define OMAP850_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbc800)
+#define OMAP850_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbd000)
+#define OMAP850_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbd800)
+#define OMAP850_GPIO5_BASE OMAP1_IO_ADDRESS(0xfffbe000)
+#define OMAP850_GPIO6_BASE OMAP1_IO_ADDRESS(0xfffbe800)
#define OMAP850_GPIO_DATA_INPUT 0x00
#define OMAP850_GPIO_DATA_OUTPUT 0x04
#define OMAP850_GPIO_DIR_CONTROL 0x08
@@ -99,19 +99,21 @@
#define OMAP850_GPIO_INT_MASK 0x10
#define OMAP850_GPIO_INT_STATUS 0x14
+#define OMAP1_MPUIO_VBASE OMAP1_IO_ADDRESS(OMAP1_MPUIO_BASE)
+
/*
* omap24xx specific GPIO registers
*/
-#define OMAP242X_GPIO1_BASE IO_ADDRESS(0x48018000)
-#define OMAP242X_GPIO2_BASE IO_ADDRESS(0x4801a000)
-#define OMAP242X_GPIO3_BASE IO_ADDRESS(0x4801c000)
-#define OMAP242X_GPIO4_BASE IO_ADDRESS(0x4801e000)
+#define OMAP242X_GPIO1_BASE OMAP2_IO_ADDRESS(0x48018000)
+#define OMAP242X_GPIO2_BASE OMAP2_IO_ADDRESS(0x4801a000)
+#define OMAP242X_GPIO3_BASE OMAP2_IO_ADDRESS(0x4801c000)
+#define OMAP242X_GPIO4_BASE OMAP2_IO_ADDRESS(0x4801e000)
-#define OMAP243X_GPIO1_BASE IO_ADDRESS(0x4900C000)
-#define OMAP243X_GPIO2_BASE IO_ADDRESS(0x4900E000)
-#define OMAP243X_GPIO3_BASE IO_ADDRESS(0x49010000)
-#define OMAP243X_GPIO4_BASE IO_ADDRESS(0x49012000)
-#define OMAP243X_GPIO5_BASE IO_ADDRESS(0x480B6000)
+#define OMAP243X_GPIO1_BASE OMAP2_IO_ADDRESS(0x4900C000)
+#define OMAP243X_GPIO2_BASE OMAP2_IO_ADDRESS(0x4900E000)
+#define OMAP243X_GPIO3_BASE OMAP2_IO_ADDRESS(0x49010000)
+#define OMAP243X_GPIO4_BASE OMAP2_IO_ADDRESS(0x49012000)
+#define OMAP243X_GPIO5_BASE OMAP2_IO_ADDRESS(0x480B6000)
#define OMAP24XX_GPIO_REVISION 0x0000
#define OMAP24XX_GPIO_SYSCONFIG 0x0010
@@ -168,24 +170,22 @@
* omap34xx specific GPIO registers
*/
-#define OMAP34XX_GPIO1_BASE IO_ADDRESS(0x48310000)
-#define OMAP34XX_GPIO2_BASE IO_ADDRESS(0x49050000)
-#define OMAP34XX_GPIO3_BASE IO_ADDRESS(0x49052000)
-#define OMAP34XX_GPIO4_BASE IO_ADDRESS(0x49054000)
-#define OMAP34XX_GPIO5_BASE IO_ADDRESS(0x49056000)
-#define OMAP34XX_GPIO6_BASE IO_ADDRESS(0x49058000)
+#define OMAP34XX_GPIO1_BASE OMAP2_IO_ADDRESS(0x48310000)
+#define OMAP34XX_GPIO2_BASE OMAP2_IO_ADDRESS(0x49050000)
+#define OMAP34XX_GPIO3_BASE OMAP2_IO_ADDRESS(0x49052000)
+#define OMAP34XX_GPIO4_BASE OMAP2_IO_ADDRESS(0x49054000)
+#define OMAP34XX_GPIO5_BASE OMAP2_IO_ADDRESS(0x49056000)
+#define OMAP34XX_GPIO6_BASE OMAP2_IO_ADDRESS(0x49058000)
/*
* OMAP44XX specific GPIO registers
*/
-#define OMAP44XX_GPIO1_BASE IO_ADDRESS(0x4a310000)
-#define OMAP44XX_GPIO2_BASE IO_ADDRESS(0x48055000)
-#define OMAP44XX_GPIO3_BASE IO_ADDRESS(0x48057000)
-#define OMAP44XX_GPIO4_BASE IO_ADDRESS(0x48059000)
-#define OMAP44XX_GPIO5_BASE IO_ADDRESS(0x4805B000)
-#define OMAP44XX_GPIO6_BASE IO_ADDRESS(0x4805D000)
-
-#define OMAP_MPUIO_VBASE IO_ADDRESS(OMAP_MPUIO_BASE)
+#define OMAP44XX_GPIO1_BASE OMAP2_IO_ADDRESS(0x4a310000)
+#define OMAP44XX_GPIO2_BASE OMAP2_IO_ADDRESS(0x48055000)
+#define OMAP44XX_GPIO3_BASE OMAP2_IO_ADDRESS(0x48057000)
+#define OMAP44XX_GPIO4_BASE OMAP2_IO_ADDRESS(0x48059000)
+#define OMAP44XX_GPIO5_BASE OMAP2_IO_ADDRESS(0x4805B000)
+#define OMAP44XX_GPIO6_BASE OMAP2_IO_ADDRESS(0x4805D000)
struct gpio_bank {
void __iomem *base;
@@ -221,7 +221,7 @@ struct gpio_bank {
#ifdef CONFIG_ARCH_OMAP16XX
static struct gpio_bank gpio_bank_1610[5] = {
- { OMAP_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO},
+ { OMAP1_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO},
{ OMAP1610_GPIO1_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1610 },
{ OMAP1610_GPIO2_BASE, INT_1610_GPIO_BANK2, IH_GPIO_BASE + 16, METHOD_GPIO_1610 },
{ OMAP1610_GPIO3_BASE, INT_1610_GPIO_BANK3, IH_GPIO_BASE + 32, METHOD_GPIO_1610 },
@@ -231,14 +231,14 @@ static struct gpio_bank gpio_bank_1610[5] = {
#ifdef CONFIG_ARCH_OMAP15XX
static struct gpio_bank gpio_bank_1510[2] = {
- { OMAP_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
+ { OMAP1_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1510 }
};
#endif
#ifdef CONFIG_ARCH_OMAP730
static struct gpio_bank gpio_bank_730[7] = {
- { OMAP_MPUIO_VBASE, INT_730_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
+ { OMAP1_MPUIO_VBASE, INT_730_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP730_GPIO1_BASE, INT_730_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_730 },
{ OMAP730_GPIO2_BASE, INT_730_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_730 },
{ OMAP730_GPIO3_BASE, INT_730_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_730 },
@@ -250,7 +250,7 @@ static struct gpio_bank gpio_bank_730[7] = {
#ifdef CONFIG_ARCH_OMAP850
static struct gpio_bank gpio_bank_850[7] = {
- { OMAP_MPUIO_BASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
+ { OMAP1_MPUIO_BASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP850_GPIO1_BASE, INT_850_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_850 },
{ OMAP850_GPIO2_BASE, INT_850_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_850 },
{ OMAP850_GPIO3_BASE, INT_850_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_850 },
@@ -2032,7 +2032,7 @@ void omap2_gpio_resume_after_retention(void)
return;
for (i = 0; i < gpio_bank_count; i++) {
struct gpio_bank *bank = &gpio_bank[i];
- u32 l;
+ u32 l, gen, gen0, gen1;
if (!(bank->enabled_non_wakeup_gpios))
continue;
@@ -2056,13 +2056,32 @@ void omap2_gpio_resume_after_retention(void)
* this silicon bug. */
l ^= bank->saved_datain;
l &= bank->non_wakeup_gpios;
- if (l) {
+
+ /*
+ * No need to generate IRQs for the rising edge for gpio IRQs
+ * configured with falling edge only; and vice versa.
+ */
+ gen0 = l & bank->saved_fallingdetect;
+ gen0 &= bank->saved_datain;
+
+ gen1 = l & bank->saved_risingdetect;
+ gen1 &= ~(bank->saved_datain);
+
+ /* FIXME: Consider GPIO IRQs with level detections properly! */
+ gen = l & (~(bank->saved_fallingdetect) &
+ ~(bank->saved_risingdetect));
+ /* Consider all GPIO IRQs needed to be updated */
+ gen |= gen0 | gen1;
+
+ if (gen) {
u32 old0, old1;
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
old0 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0);
old1 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1);
- __raw_writel(old0 | l, bank->base + OMAP24XX_GPIO_LEVELDETECT0);
- __raw_writel(old1 | l, bank->base + OMAP24XX_GPIO_LEVELDETECT1);
+ __raw_writel(old0 | gen, bank->base +
+ OMAP24XX_GPIO_LEVELDETECT0);
+ __raw_writel(old1 | gen, bank->base +
+ OMAP24XX_GPIO_LEVELDETECT1);
__raw_writel(old0, bank->base + OMAP24XX_GPIO_LEVELDETECT0);
__raw_writel(old1, bank->base + OMAP24XX_GPIO_LEVELDETECT1);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 17:14:00 +0000