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authorNicolas Pitre <nico@cam.org>2009-03-02 23:44:41 -0500
committerNicolas Pitre <nico@cam.org>2009-03-15 22:08:33 -0400
commit3ec0d47427be9ff5b82ba5c5e853c691a942ed65 (patch)
tree09fce5511a54a6233f57cf7efe724c31323b9a2e /arch/arm/mach-kirkwood
parent4640fa606bf996d275a6e208e3654e9e943afe60 (diff)
downloadop-kernel-dev-3ec0d47427be9ff5b82ba5c5e853c691a942ed65.zip
op-kernel-dev-3ec0d47427be9ff5b82ba5c5e853c691a942ed65.tar.gz
[ARM] Kirkwood: SheevaPlug USB Power Enable setup
Ideally, the default should be set to 0 and let the EHCI driver turn it on as needed. This makes USB usable in the mean time. Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-kirkwood')
-rw-r--r--arch/arm/mach-kirkwood/sheevaplug-setup.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index d48989d..c1cb9f4 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -14,12 +14,14 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mv643xx_eth.h>
+#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <plat/mvsdio.h>
#include <plat/orion_nand.h>
#include "common.h"
+#include "mpp.h"
static struct mtd_partition sheevaplug_nand_parts[] = {
{
@@ -71,15 +73,26 @@ static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
// unfortunately the CD signal has not been connected */
};
+static unsigned int sheevaplug_mpp_config[] __initdata = {
+ MPP29_GPIO, /* USB Power Enable */
+ 0
+};
+
static void __init sheevaplug_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_init();
+ kirkwood_mpp_conf(sheevaplug_mpp_config);
kirkwood_uart0_init();
+
+ if (gpio_request(29, "USB Power Enable") != 0 ||
+ gpio_direction_output(29, 1) != 0)
+ printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
kirkwood_ehci_init();
+
kirkwood_ge00_init(&sheevaplug_ge00_data);
kirkwood_sdio_init(&sheevaplug_mvsdio_data);
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