+
+ ;; If eth_mdio, eth, geth bits are set in hwprot, don't
+ ;; set them to gpio, as this means they have been configured
+ ;; earlier and shouldn't be changed.
+ move.d 0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth
+ move.d REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1
+ move.d [$r1], $r0
+ btstq REG_BIT(pinmux, rw_hwprot, eth), $r0
+ GIO_SET_P 0x00FFFF00, $r2 ;; pins 8..23 are eth
+ btstq REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0
+ GIO_SET_P 0x03000000, $r2 ;; pins 24..25 are eth_mdio
+ btstq REG_BIT(pinmux, rw_hwprot, geth), $r0
+ GIO_SET_P 0x000000FF, $r2 ;; pins 0..7 are geth
+ move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
+ move.d $r2, [$r1]