OpenWrt – Rev 1

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#include <common.h>
#include <asm/arch/pinmux.h>

void pinmux_set(int bank, int pin, int func)
{
        u32 reg;
        u32 base;
        /* TODO: check parameters */

        if (bank == PINMUX_BANK_MFA)
                base = SYS_CONTROL_BASE;
        else
                base = SEC_CONTROL_BASE;

        clrbits_le32(base + PINMUX_SECONDARY_SEL, BIT(pin));
        clrbits_le32(base + PINMUX_TERTIARY_SEL, BIT(pin));
        clrbits_le32(base + PINMUX_QUATERNARY_SEL, BIT(pin));
        clrbits_le32(base + PINMUX_DEBUG_SEL, BIT(pin));
        clrbits_le32(base + PINMUX_ALTERNATIVE_SEL, BIT(pin));

        switch (func) {
        case PINMUX_GPIO:
        default:
                return;
                break;
        case PINMUX_2:
                reg = base + PINMUX_SECONDARY_SEL;
                break;
        case PINMUX_3:
                reg = base + PINMUX_TERTIARY_SEL;
                break;
        case PINMUX_4:
                reg = base + PINMUX_QUATERNARY_SEL;
                break;
        case PINMUX_DEBUG:
                reg = base + PINMUX_DEBUG_SEL;
                break;
        case PINMUX_ALT:
                reg = base + PINMUX_ALTERNATIVE_SEL;
                break;
        }
        setbits_le32(reg, BIT(pin));
}