Merge branch 'org.openembedded.dev' of git://git.openembedded.org/openembedded into org.openembedded.dev

1 files changed, 113 insertions, 0 deletions

diff --git a/recipes/kexecboot/linux-kexecboot-2.6.29/overo/ehci.patch b/recipes/kexecboot/linux-kexecboot-2.6.29/overo/ehci.patch
new file mode 100644
index 0000000000..72c6b9bec3
--- /dev/null
+++ b/recipes/kexecboot/linux-kexecboot-2.6.29/overo/ehci.patch
@@ -0,0 +1,113 @@
+diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
+index 489439d..2c6305b 100644
+--- a/arch/arm/mach-omap2/usb-ehci.c
++++ b/arch/arm/mach-omap2/usb-ehci.c
+@@ -152,9 +152,7 @@ static void setup_ehci_io_mux(void)
+ 
+ void __init usb_ehci_init(void)
+ {
+-	/* 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");
+
+diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
+index 1b3266c..8472996 100644
+--- a/drivers/usb/host/ehci-omap.c
++++ b/drivers/usb/host/ehci-omap.c
+@@ -48,16 +48,26 @@
+  *		to get the PHY state machine in working state
+  */
+ #define EXTERNAL_PHY_RESET
++#ifdef CONFIG_MACH_OVERO
++#define	EXT_PHY_RESET_GPIO_PORT2	(183)
++#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_OVERO
+ #define VBUS_INTERNAL_CHARGEPUMP_HACK
++#endif
+ 
+ #endif /* CONFIG_OMAP_EHCI_PHY_MODE */
+ 
+@@ -225,14 +235,43 @@ static int omap_start_ehc(struct platform_device *dev, struct usb_hcd *hcd)
+ 
+ #ifdef EXTERNAL_PHY_RESET
+ 	/* Refer: ISSUE1 */
++#ifndef CONFIG_MACH_OVERO
+ 	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 +346,9 @@ static int omap_start_ehc(struct platform_device *dev, struct usb_hcd *hcd)
+ 	 * Hold the PHY in RESET for enough time till PHY is settled and ready
+ 	 */
+ 	udelay(EXT_PHY_RESET_DELAY);
++#ifndef CONFIG_MACH_OVERO
+ 	gpio_set_value(EXT_PHY_RESET_GPIO_PORT1, 1);
++#endif
+ 	gpio_set_value(EXT_PHY_RESET_GPIO_PORT2, 1);
+ #endif
+ 
+@@ -393,7 +434,9 @@ static void omap_stop_ehc(struct platform_device *dev, struct usb_hcd *hcd)
+ 
+ 
+ #ifdef EXTERNAL_PHY_RESET
++#ifndef CONFIG_MACH_OVERO
+ 	gpio_free(EXT_PHY_RESET_GPIO_PORT1);
++#endif
+ 	gpio_free(EXT_PHY_RESET_GPIO_PORT2);
+ #endif
+
+--
+1.6.0.4.790.gaa14a