-Index: git/arch/arm/mach-omap2/board-omap3beagle.c
-===================================================================
---- git.orig/arch/arm/mach-omap2/board-omap3beagle.c
-+++ git/arch/arm/mach-omap2/board-omap3beagle.c
-@@ -154,6 +154,7 @@ static int beagle_twl_gpio_setup(struct
+From f8f10f496bce396416d7156da876222c6ce8c341 Mon Sep 17 00:00:00 2001
+From: Steven Kipisz <skipisz@beagleboard.org>
+Date: Wed, 9 Jan 2009 12:01:11 -0600
+Subject: [PATCH-USB] Omap3 beagleboard: add support for EHCI in revision C1 boards
+
+Signed-off-by: Jason Kridner <jkridner@beagleboard.org>
+---
+ arch/arm/mach-omap2/board-omap3beagle.c | 10 +---------
+ arch/arm/mach-omap2/usb-ehci.c | 4 +---
+ drivers/usb/host/ehci-omap.c | 26 ++++++++++++++++++++++++++
+ 3 files changed, 28 insertions(+), 12 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
+index fe97bab..de81153 100644
+--- a/arch/arm/mach-omap2/board-omap3beagle.c
++++ b/arch/arm/mach-omap2/board-omap3beagle.c
+@@ -140,15 +140,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
* power switch and overcurrent detect
*/
-+#if 0 /* TODO: This needs to be modified to not rely on u-boot */
- gpio_request(gpio + 1, "EHCI_nOC");
- gpio_direction_input(gpio + 1);
-
-@@ -163,7 +164,7 @@ static int beagle_twl_gpio_setup(struct
-
- /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
- gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+- gpio_request(gpio + 1, "EHCI_nOC");
+- gpio_direction_input(gpio + 1);
-
-+#endif
+- /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+- gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
+- gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+-
+- /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+- gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
++ /* TODO: This needs to be modified to not rely on u-boot */
+
return 0;
}
+--- /tmp/usb-ehci.c 2009-07-30 13:14:34.000000000 +0200
++++ git/arch/arm/mach-omap2/usb-ehci.c 2009-07-30 13:16:03.000000000 +0200
+@@ -170,9 +170,7 @@
-Index: git/arch/arm/mach-omap2/usb-ehci.c
-===================================================================
---- git.orig/arch/arm/mach-omap2/usb-ehci.c
-+++ git/arch/arm/mach-omap2/usb-ehci.c
-@@ -147,9 +147,11 @@ static void setup_ehci_io_mux(void)
+ platform_device_add_data(&ehci_device, &pdata, sizeof(pdata));
- void __init usb_ehci_init(void)
- {
-+#if 0 /* TODO: Setup Pin IO MUX for EHCI - moved this temporarily to U-boot */
- /* Setup Pin IO MUX for EHCI */
- if (cpu_is_omap34xx())
- setup_ehci_io_mux();
-+#endif
+- /* Setup Pin IO MUX for EHCI */
+- if (cpu_is_omap34xx())
+- setup_ehci_io_mux();
++ /* TODO: Setup Pin IO MUX for EHCI - moved this temporarily to U-boot */
if (platform_device_register(&ehci_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
-Index: git/drivers/usb/host/ehci-omap.c
-===================================================================
---- git.orig/drivers/usb/host/ehci-omap.c
-+++ git/drivers/usb/host/ehci-omap.c
-@@ -48,16 +48,25 @@
- * to get the PHY state machine in working state
- */
- #define EXTERNAL_PHY_RESET
-+#ifdef CONFIG_MACH_OMAP3_BEAGLE
-+#define EXT_PHY_RESET_GPIO_PORT2 (147)
-+#else
- #define EXT_PHY_RESET_GPIO_PORT1 (57)
- #define EXT_PHY_RESET_GPIO_PORT2 (61)
-+#endif
- #define EXT_PHY_RESET_DELAY (10)
-
-+#define PHY_STP_PULLUP_ENABLE (0x10)
-+#define PHY_STP_PULLUP_DISABLE (0x90)
-+
- /* ISSUE2:
- * USBHOST supports External charge pump PHYs only
- * Use the VBUS from Port1 to power VBUS of Port2 externally
- * So use Port2 as the working ULPI port
- */
-+#ifndef CONFIG_MACH_OMAP3_BEAGLE
- #define VBUS_INTERNAL_CHARGEPUMP_HACK
-+#endif
-
- #endif /* CONFIG_OMAP_EHCI_PHY_MODE */
-
-@@ -225,14 +234,43 @@ static int omap_start_ehc(struct platfor
-
- #ifdef EXTERNAL_PHY_RESET
- /* Refer: ISSUE1 */
-+#ifndef CONFIG_MACH_OMAP3_BEAGLE
- gpio_request(EXT_PHY_RESET_GPIO_PORT1, "USB1 PHY reset");
- gpio_direction_output(EXT_PHY_RESET_GPIO_PORT1, 0);
-+#endif
- gpio_request(EXT_PHY_RESET_GPIO_PORT2, "USB2 PHY reset");
- gpio_direction_output(EXT_PHY_RESET_GPIO_PORT2, 0);
-+ gpio_set_value(EXT_PHY_RESET_GPIO_PORT2, 0);
- /* Hold the PHY in RESET for enough time till DIR is high */
- udelay(EXT_PHY_RESET_DELAY);
- #endif
-
-+ /*
-+ * The PHY register 0x7 - Interface Control register is
-+ * configured to disable the integrated STP pull-up resistor
-+ * used for interface protection.
-+ *
-+ * May not need to be here.
-+ */
-+ omap_writel((0x7 << EHCI_INSNREG05_ULPI_REGADD_SHIFT) |/* interface reg */
-+ (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT) |/* Write */
-+ (1 << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT) |/* Port1 */
-+ (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT) |/* Start */
-+ (PHY_STP_PULLUP_DISABLE),
-+ EHCI_INSNREG05_ULPI);
-+
-+ while (!(omap_readl(EHCI_INSNREG05_ULPI) & (1<<EHCI_INSNREG05_ULPI_CONTROL_SHIFT)));
-+
-+ /* Force PHY to HS */
-+ omap_writel((0x4 << EHCI_INSNREG05_ULPI_REGADD_SHIFT) |/* function ctrl */
-+ (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT) |/* Write */
-+ (1 << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT) |/* Port1 */
-+ (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT) |/* Start */
-+ (0x40),
-+ EHCI_INSNREG05_ULPI);
-+
-+ while (!(omap_readl(EHCI_INSNREG05_ULPI) & (1<<EHCI_INSNREG05_ULPI_CONTROL_SHIFT)));
-+
- /* Configure TLL for 60Mhz clk for ULPI */
- ehci_clocks->usbtll_fck_clk = clk_get(&dev->dev, USBHOST_TLL_FCLK);
- if (IS_ERR(ehci_clocks->usbtll_fck_clk))
-@@ -307,7 +345,9 @@ static int omap_start_ehc(struct platfor
- * Hold the PHY in RESET for enough time till PHY is settled and ready
- */
- udelay(EXT_PHY_RESET_DELAY);
-+#ifndef CONFIG_MACH_OMAP3_BEAGLE
- gpio_set_value(EXT_PHY_RESET_GPIO_PORT1, 1);
-+#endif
- gpio_set_value(EXT_PHY_RESET_GPIO_PORT2, 1);
- #endif
-
-@@ -393,7 +433,9 @@ static void omap_stop_ehc(struct platfor
-
-
- #ifdef EXTERNAL_PHY_RESET
-+#ifndef CONFIG_MACH_OMAP3_BEAGLE
- gpio_free(EXT_PHY_RESET_GPIO_PORT1);
-+#endif
- gpio_free(EXT_PHY_RESET_GPIO_PORT2);
- #endif
-
git.openpandora.org / openembedded.git / commitdiff