From: Charulatha V <charu@xxxxxx>
Modify the omap_gpio_save/restore_context to support OMAP4
architecture so that the OMAP GPIO driver need not be modified
when OMAP4 off mode support is available.
Signed-off-by: Charulatha V <charu@xxxxxx>
---
drivers/gpio/gpio_omap.c | 130 +++++++++++++++++++++++++++++++---------------
1 files changed, 87 insertions(+), 43 deletions(-)
diff --git a/drivers/gpio/gpio_omap.c b/drivers/gpio/gpio_omap.c
index 5673951..9d55b7d 100644
--- a/drivers/gpio/gpio_omap.c
+++ b/drivers/gpio/gpio_omap.c
@@ -1476,9 +1476,6 @@ void omap2_gpio_resume_after_idle(void)
}
-#endif
-
-#ifdef CONFIG_ARCH_OMAP3
void omap_gpio_save_context(void)
{
struct gpio_bank *bank;
@@ -1488,26 +1485,49 @@ void omap_gpio_save_context(void)
if (!bank->loses_context)
continue;
- bank->context.irqenable1 =
- __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1);
- bank->context.irqenable2 =
- __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE2);
- bank->context.wake_en =
- __raw_readl(bank->base + OMAP24XX_GPIO_WAKE_EN);
- bank->context.ctrl =
- __raw_readl(bank->base + OMAP24XX_GPIO_CTRL);
- bank->context.oe =
- __raw_readl(bank->base + OMAP24XX_GPIO_OE);
- bank->context.leveldetect0 =
- __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0);
- bank->context.leveldetect1 =
- __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1);
- bank->context.risingdetect =
- __raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT);
- bank->context.fallingdetect =
- __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT);
- bank->context.dataout =
- __raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT);
+ if (bank->method == METHOD_GPIO_24XX) {
+ bank->context.irqenable1 = __raw_readl(
+ bank->base + OMAP24XX_GPIO_IRQENABLE1);
+ bank->context.irqenable2 = __raw_readl(
+ bank->base + OMAP24XX_GPIO_IRQENABLE2);
+ bank->context.wake_en = __raw_readl(
+ bank->base + OMAP24XX_GPIO_WAKE_EN);
+ bank->context.ctrl = __raw_readl(
+ bank->base + OMAP24XX_GPIO_CTRL);
+ bank->context.oe = __raw_readl(
+ bank->base + OMAP24XX_GPIO_OE);
+ bank->context.leveldetect0 = __raw_readl(bank->base +
+ OMAP24XX_GPIO_LEVELDETECT0);
+ bank->context.leveldetect1 = __raw_readl(bank->base +
+ OMAP24XX_GPIO_LEVELDETECT1);
+ bank->context.risingdetect = __raw_readl(bank->base +
+ OMAP24XX_GPIO_RISINGDETECT);
+ bank->context.fallingdetect = __raw_readl(bank->base +
+ OMAP24XX_GPIO_FALLINGDETECT);
+ bank->context.dataout = __raw_readl(
+ bank->base + OMAP24XX_GPIO_DATAOUT);
+ } else if (bank->method == METHOD_GPIO_44XX) {
+ bank->context.irqenable1 = __raw_readl(
+ bank->base + OMAP4_GPIO_IRQSTATUSSET0);
+ bank->context.irqenable2 = __raw_readl(
+ bank->base + OMAP4_GPIO_IRQSTATUSSET1);
+ bank->context.wake_en = __raw_readl(
+ bank->base + OMAP4_GPIO_IRQWAKEN0);
+ bank->context.ctrl = __raw_readl(
+ bank->base + OMAP4_GPIO_CTRL);
+ bank->context.oe = __raw_readl(
+ bank->base + OMAP24XX_GPIO_OE);
+ bank->context.leveldetect0 = __raw_readl(bank->base +
+ OMAP4_GPIO_LEVELDETECT0);
+ bank->context.leveldetect1 = __raw_readl(bank->base +
+ OMAP4_GPIO_LEVELDETECT1);
+ bank->context.risingdetect = __raw_readl(bank->base +
+ OMAP4_GPIO_RISINGDETECT);
+ bank->context.fallingdetect = __raw_readl(bank->base +
+ OMAP4_GPIO_FALLINGDETECT);
+ bank->context.dataout = __raw_readl(
+ bank->base + OMAP4_GPIO_DATAOUT);
+ }
}
}
@@ -1520,28 +1540,52 @@ void omap_gpio_restore_context(void)
if (!bank->loses_context)
continue;
- __raw_writel(bank->context.irqenable1,
- bank->base + OMAP24XX_GPIO_IRQENABLE1);
- __raw_writel(bank->context.irqenable2,
- bank->base + OMAP24XX_GPIO_IRQENABLE2);
- __raw_writel(bank->context.wake_en,
- bank->base + OMAP24XX_GPIO_WAKE_EN);
- __raw_writel(bank->context.ctrl,
- bank->base + OMAP24XX_GPIO_CTRL);
- __raw_writel(bank->context.oe,
- bank->base + OMAP24XX_GPIO_OE);
- __raw_writel(bank->context.leveldetect0,
- bank->base + OMAP24XX_GPIO_LEVELDETECT0);
- __raw_writel(bank->context.leveldetect1,
- bank->base + OMAP24XX_GPIO_LEVELDETECT1);
- __raw_writel(bank->context.risingdetect,
- bank->base + OMAP24XX_GPIO_RISINGDETECT);
- __raw_writel(bank->context.fallingdetect,
- bank->base + OMAP24XX_GPIO_FALLINGDETECT);
- __raw_writel(bank->context.dataout,
- bank->base + OMAP24XX_GPIO_DATAOUT);
+ if (bank->method == METHOD_GPIO_24XX) {
+ __raw_writel(bank->context.irqenable1, bank->base +
+ OMAP24XX_GPIO_IRQENABLE1);
+ __raw_writel(bank->context.irqenable2, bank->base +
+ OMAP24XX_GPIO_IRQENABLE2);
+ __raw_writel(bank->context.wake_en, bank->base +
+ OMAP24XX_GPIO_WAKE_EN);
+ __raw_writel(bank->context.ctrl, bank->base +
+ OMAP24XX_GPIO_CTRL);
+ __raw_writel(bank->context.oe, bank->base +
+ OMAP24XX_GPIO_OE);
+ __raw_writel(bank->context.leveldetect0, bank->base +
+ OMAP24XX_GPIO_LEVELDETECT0);
+ __raw_writel(bank->context.leveldetect1, bank->base +
+ OMAP24XX_GPIO_LEVELDETECT1);
+ __raw_writel(bank->context.risingdetect, bank->base +
+ OMAP24XX_GPIO_RISINGDETECT);
+ __raw_writel(bank->context.fallingdetect, bank->base +
+ OMAP24XX_GPIO_FALLINGDETECT);
+ __raw_writel(bank->context.dataout, bank->base +
+ OMAP24XX_GPIO_DATAOUT);
+ } else if (bank->method == METHOD_GPIO_44XX) {
+ __raw_writel(bank->context.irqenable1, bank->base +
+ OMAP4_GPIO_IRQSTATUSSET0);
+ __raw_writel(bank->context.irqenable2, bank->base +
+ OMAP4_GPIO_IRQSTATUSSET1);
+ __raw_writel(bank->context.wake_en, bank->base +
+ OMAP4_GPIO_IRQWAKEN0);
+ __raw_writel(bank->context.ctrl, bank->base +
+ OMAP4_GPIO_CTRL);
+ __raw_writel(bank->context.oe, bank->base +
+ OMAP24XX_GPIO_OE);
+ __raw_writel(bank->context.leveldetect0, bank->base +
+ OMAP4_GPIO_LEVELDETECT0);
+ __raw_writel(bank->context.leveldetect1, bank->base +
+ OMAP4_GPIO_LEVELDETECT1);
+ __raw_writel(bank->context.risingdetect, bank->base +
+ OMAP4_GPIO_RISINGDETECT);
+ __raw_writel(bank->context.fallingdetect, bank->base +
+ OMAP4_GPIO_FALLINGDETECT);
+ __raw_writel(bank->context.dataout, bank->base +
+ OMAP4_GPIO_DATAOUT);
+ }
}
}
+
#endif
static struct platform_driver omap_gpio_driver = {
--
1.6.0.4
--
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