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.georgi@secunet.com Acked-by: Stefan Reinauer stepan@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)