package/boot/uboot-oxnas/src/arch/arm/cpu/arm1136/nas782x/pinmux.c

   1 #include <common.h>
   2 #include <asm/arch/pinmux.h>
   3
   4 void pinmux_set(int bank, int pin, int func)
   5 {
   6         u32 reg;
   7         u32 base;
   8         /* TODO: check parameters */
   9
  10         if (bank == PINMUX_BANK_MFA)
  11                 base = SYS_CONTROL_BASE;
  12         else
  13                 base = SEC_CONTROL_BASE;
  14
  15         clrbits_le32(base + PINMUX_SECONDARY_SEL, BIT(pin));
  16         clrbits_le32(base + PINMUX_TERTIARY_SEL, BIT(pin));
  17         clrbits_le32(base + PINMUX_QUATERNARY_SEL, BIT(pin));
  18         clrbits_le32(base + PINMUX_DEBUG_SEL, BIT(pin));
  19         clrbits_le32(base + PINMUX_ALTERNATIVE_SEL, BIT(pin));
  20
  21         switch (func) {
  22         case PINMUX_GPIO:
  23         default:
  24                 return;
  25                 break;
  26         case PINMUX_2:
  27                 reg = base + PINMUX_SECONDARY_SEL;
  28                 break;
  29         case PINMUX_3:
  30                 reg = base + PINMUX_TERTIARY_SEL;
  31                 break;
  32         case PINMUX_4:
  33                 reg = base + PINMUX_QUATERNARY_SEL;
  34                 break;
  35         case PINMUX_DEBUG:
  36                 reg = base + PINMUX_DEBUG_SEL;
  37                 break;
  38         case PINMUX_ALT:
  39                 reg = base + PINMUX_ALTERNATIVE_SEL;
  40                 break;
  41         }
  42         setbits_le32(reg, BIT(pin));
  43 }