Author: oxygene
Date: Fri Jan 14 08:41:42 2011
New Revision: 6254
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6254
Log:
Improved GPIO setup for roda/rk886ex, and some documentation
on what the GPIOs are used for.
Signed-off-by: Patrick Georgi <patrick.geo...@secunet.com>
Acked-by: Stefan Reinauer <ste...@coreboot.org>
Modified:
trunk/src/mainboard/roda/rk886ex/romstage.c
Modified: trunk/src/mainboard/roda/rk886ex/romstage.c
==============================================================================
--- trunk/src/mainboard/roda/rk886ex/romstage.c Fri Jan 14 08:40:24 2011
(r6253)
+++ trunk/src/mainboard/roda/rk886ex/romstage.c Fri Jan 14 08:41:42 2011
(r6254)
@@ -43,14 +43,27 @@
/* 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)
--
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