[coreboot] [commit] r6254 - trunk/src/mainboard/roda/rk886ex

repository service svn at coreboot.org
Fri Jan 14 08:41:42 CET 2011


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 at secunet.com>
Acked-by: Stefan Reinauer <stepan at 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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