Patchwork Improve GPIO setup on roda/rk886ex

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Submitter Patrick Georgi
Date 2011-01-13 10:14:33
Message ID <1294913673.2411.25.camel@linux-0a8x.site>
Download mbox | patch
Permalink /patch/2511/
State Accepted
Commit r6254
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Comments

Patrick Georgi - 2011-01-13 10:14:33
Hi,

attached patch improves on GPIO setup, by turning off LEDs on boot (and
various other things). It also documents what the GPIOs are used for on
this board.


Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Stefan Reinauer - 2011-01-13 19:15:09
* Patrick Georgi <Patrick.Georgi@secunet.com> [110113 11:14]:
> Hi,
> 
> attached patch improves on GPIO setup, by turning off LEDs on boot (and
> various other things). It also documents what the GPIOs are used for on
> this board.
> 
> 
> Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>

Acked-by: Stefan Reinauer <stepan@coreboot.org>
Peter Stuge - 2011-01-17 02:12:07
Patrick Georgi wrote:
> Hi,
> 
> attached patch improves on GPIO setup, by turning off LEDs on boot (and
> various other things). It also documents what the GPIOs are used for on
> this board.
> 
> 
> Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>

Acked-by: Peter Stuge <peter@stuge.se>

Patch

Index: coreboot-staging/src/mainboard/roda/rk886ex/romstage.c

===================================================================
--- coreboot-staging.orig/src/mainboard/roda/rk886ex/romstage.c

+++ coreboot-staging/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)