@@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -27,8 +28,14 @@
#include <plat/board.h>
#include <plat/common.h>
+#include <plat/usb.h>
#include "mux.h"
+#include "control.h"
+
+#define GPIO_USB_POWER 35
+#define GPIO_USB_NRESET 38
+
/* Board initialization */
static struct omap_board_config_kernel am3517_crane_config[] __initdata = {
@@ -52,10 +59,51 @@ static void __init am3517_crane_init_irq(void)
omap_init_irq();
}
+static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
+ .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+ .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+ .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+
+ .phy_reset = true,
+ .reset_gpio_port[0] = GPIO_USB_NRESET,
+ .reset_gpio_port[1] = -EINVAL,
+ .reset_gpio_port[2] = -EINVAL
+};
+
static void __init am3517_crane_init(void)
{
+ int ret;
+
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap_serial_init();
+
+ /* Configure GPIO for EHCI port */
+ if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
+ pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
+ GPIO_USB_NRESET);
+ return;
+ }
+
+ if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
+ pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
+ GPIO_USB_POWER);
+ return;
+ }
+
+ ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable");
+ if (ret < 0) {
+ pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
+ return;
+ }
+
+ ret = gpio_direction_output(GPIO_USB_POWER, 1);
+ if (ret < 0) {
+ gpio_free(GPIO_USB_POWER);
+ pr_err("Unable to initialize EHCI power\n");
+ return;
+ }
+
+ usb_ehci_init(&ehci_pdata);
}
MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")