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[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>
This commit is contained in:
Nicolas Pitre 2009-03-02 23:44:41 -05:00
parent 4640fa606b
commit 3ec0d47427
1 changed files with 13 additions and 0 deletions
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13
arch/arm/mach-kirkwood/sheevaplug-setup.c
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@ -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);