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Improved GPIO setup for roda/rk886ex, and some documentation 

on what the GPIOs are used for.

Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Acked-by: Stefan Reinauer <stepan@coreboot.org>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6254 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Patrick Georgi 2011-01-14 07:41:42 +00:00 committed by Patrick Georgi
parent a865b17eff
commit ef3296542a
1 changed files with 15 additions and 2 deletions
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17
src/mainboard/roda/rk886ex/romstage.c
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@ -43,14 +43,27 @@ void setup_ich7_gpios(void)
/* General Registers */
outl(0xbfc0f7c0, DEFAULT_GPIOBASE + 0x00); /* GPIO_USE_SEL */
outl(0x70a87d83, DEFAULT_GPIOBASE + 0x04); /* GP_IO_SEL */
outl(0x7dc07f83, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */
// ------------------------------------------------------------
// 0 - GPO6 - Enable power of SATA channel 0
// 0 - GPO9 - Wireless LAN power on
// 0 - GPO15 - FAN on
// 1 - GPO22 - FWH WP
// 1 - GPO24 - GPS on
// 0 - GPO25 - External Antenna Mux on
// 0 - GPO26 - BT on
// 0 - GPO27 - GSM on
outl(0x01400000, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */
// ------------------------------------------------------------
/* Output Control Registers */
outl(0x00000000, DEFAULT_GPIOBASE + 0x18); /* GPO_BLINK */
/* Input Control Registers */
outl(0x00002180, DEFAULT_GPIOBASE + 0x2c); /* GPI_INV */
outl(0x000100e8, DEFAULT_GPIOBASE + 0x30); /* GPIO_USE_SEL2 */
outl(0x00000030, DEFAULT_GPIOBASE + 0x34); /* GP_IO_SEL2 */
outl(0x00010030, DEFAULT_GPIOBASE + 0x38); /* GP_LVL */
// ------------------------------------------------------------
// 1 - GPO48 - FWH TBL#
outl(0x00010000, DEFAULT_GPIOBASE + 0x38); /* GP_LVL */
// ------------------------------------------------------------
}
static void ich7_enable_lpc(void)