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authorPatrick Georgi <patrick.georgi@secunet.com>2011-01-14 07:41:42 +0000
committerPatrick Georgi <patrick.georgi@coresystems.de>2011-01-14 07:41:42 +0000
commitef3296542a1a1883e8a0f5a05992b2db5b507f2c (patch)
tree9c3778c09f1458cd88386999ab53b2bfbb3c19f0 /src/mainboard/roda/rk886ex
parenta865b17eff05fa3936494716401f6aa9a9ef6358 (diff)
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
Diffstat (limited to 'src/mainboard/roda/rk886ex')
-rw-r--r--src/mainboard/roda/rk886ex/romstage.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/src/mainboard/roda/rk886ex/romstage.c b/src/mainboard/roda/rk886ex/romstage.c
index 80afe80745..cf36c7cda7 100644
--- a/src/mainboard/roda/rk886ex/romstage.c
+++ b/src/mainboard/roda/rk886ex/romstage.c
@@ -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)