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xpedite1k: Add support for additional GPIO pins

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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>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Peter Tyser 2009-07-17 19:01:09 -05:00 committed by Stefan Roese
parent 42735815dd
commit b88da157f9
1 changed files with 11 additions and 2 deletions
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13
board/xpedite1k/xpedite1k.c
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@ -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();