Hi Teresa,
On Tue, Jun 08, 2010 at 12:03:02PM +0200, Teresa Gamez wrote:
> The GPIO OCRx register has to be set correct or the output is not set as expected.
No. The gpio functions are not expected to change the iomuxer. This is
what imx_gpio_mode() is for.
Sascha
>
> Signed-off-by: Teresa Gámez <T.Gamez@xxxxxxxxx>
> ---
> Index: barebox-2010.06.0/arch/arm/mach-imx/gpio.c
> ===================================================================
> --- barebox-2010.06.0/arch/arm/mach-imx/gpio.c 2010-06-02 10:36:28.000000000 +0200
> +++ barebox-2010.06.0/arch/arm/mach-imx/gpio.c 2010-06-08 11:02:31.282473877 +0200
> @@ -31,6 +31,8 @@
> #if defined CONFIG_ARCH_IMX1 || defined CONFIG_ARCH_IMX21 || defined CONFIG_ARCH_IMX27
> #define GPIO_DR 0x1c
> #define GPIO_GDIR 0x00
> +#define GPIO_OCR1 0x04
> +#define GPIO_OCR2 0x08
> #define GPIO_PSR 0x24
> #define GPIO_ICR1 0x28
> #define GPIO_ICR2 0x2C
> @@ -103,6 +105,18 @@
> if (!base)
> return -EINVAL;
>
> +#if defined GPIO_OCR1 && defined GPIO_OCR2
> + if (shift < 16) {
> + val = readl(base + GPIO_OCR1);
> + val |= (3 << (shift * 2));
> + writel(val, base + GPIO_OCR1);
> + } else {
> + val = readl(base + GPIO_OCR2);
> + val |= (3 << ((shift - 16) * 2));
> + writel(val, base + GPIO_OCR2);
> + }
> +#endif
> +
> gpio_set_value(gpio, value);
>
> val = readl(base + GPIO_GDIR);
>
>
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