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| author | Juha Yrjola <juha.yrjola@solidboot.com> | 2006-12-06 17:13:48 -0800 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-05 10:53:45 +0100 |
| commit | 14f1c3bf51b78d916a6aff9c9b5e6689e3e006e7 (patch) | |
| tree | 9e4c927643cce445eef0a949d543b20f60af56bd | |
| parent | 235b185ce47ce64793362bd3ae4bcd8afc6b57b8 (diff) | |
| download | blackbird-op-linux-14f1c3bf51b78d916a6aff9c9b5e6689e3e006e7.tar.gz blackbird-op-linux-14f1c3bf51b78d916a6aff9c9b5e6689e3e006e7.zip | |
ARM: OMAP: Enable 24xx GPIO autoidling
Enable 24xx GPIO autoidling
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/plat-omap/gpio.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 8bedc8f9b6e5..037a4930ec61 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -1082,6 +1082,10 @@ static int __init _omap_gpio_init(void) if (bank->method == METHOD_GPIO_24XX) { __raw_writel(0x00000000, bank->base + OMAP24XX_GPIO_IRQENABLE1); __raw_writel(0xffffffff, bank->base + OMAP24XX_GPIO_IRQSTATUS1); + __raw_writew(0x0015, bank->base + OMAP24XX_GPIO_SYSCONFIG); + + /* Initialize interface clock ungated, module enabled */ + __raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL); gpio_count = 32; } @@ -1104,6 +1108,12 @@ static int __init _omap_gpio_init(void) if (cpu_is_omap16xx()) omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, ULPD_CAM_CLK_CTRL); +#ifdef CONFIG_ARCH_OMAP24XX + /* Enable autoidle for the OCP interface */ + if (cpu_is_omap24xx()) + omap_writel(1 << 0, 0x48019010); +#endif + return 0; } |
