Enable GPIO pins for an I2C EEPROM write protect, a system reset pin, and a PMC #MONARCH pin. These pins are not currently used in U-Boot, but are used in OSes and may be used in U-Boot in the future.
Signed-off-by: Peter Tyser ptyser@xes-inc.com --- board/xpedite1k/xpedite1k.c | 13 +++++++++++-- 1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/board/xpedite1k/xpedite1k.c b/board/xpedite1k/xpedite1k.c index 55b1f31..33d4ac8 100644 --- a/board/xpedite1k/xpedite1k.c +++ b/board/xpedite1k/xpedite1k.c @@ -32,9 +32,18 @@ int board_early_init_f(void) { unsigned long sdrreg;
- /* TBS: Setup the GPIO access for the user LEDs */ + /* + * Enable GPIO for pins 18 - 24 + * 18 = SEEPROM_WP + * 19 = #M_RST + * 20 = #MONARCH + * 21 = #LED_ALARM + * 22 = #LED_ACT + * 23 = #LED_STATUS1 + * 24 = #LED_STATUS2 + */ mfsdr(sdr_pfc0, sdrreg); - mtsdr(sdr_pfc0, (sdrreg & ~0x00000100) | 0x00000E00); + mtsdr(sdr_pfc0, (sdrreg & ~SDR0_PFC0_TRE_ENABLE) | 0x00003e00); out32(CONFIG_SYS_GPIO_BASE + 0x018, (USR_LED0 | USR_LED1 | USR_LED2 | USR_LED3)); LED0_OFF(); LED1_OFF();