[oe-commits] Koen Kooi : linux-omap 2.6.28: push patch to make EHCI work (well, needs a matching u-boot) work on revision C1D beagleboards
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git at amethyst.openembedded.net
Fri Jan 9 21:33:20 UTC 2009
Module: openembedded.git
Branch: org.openembedded.dev
Commit: 1c8891902d4ae73126be38ca8d40faa42d4bd5cd
URL: http://gitweb.openembedded.net/?p=openembedded.git&a=commit;h=1c8891902d4ae73126be38ca8d40faa42d4bd5cd
Author: Koen Kooi <koen at openembedded.org>
Date: Fri Jan 9 22:29:37 2009 +0100
linux-omap 2.6.28: push patch to make EHCI work (well, needs a matching u-boot) work on revision C1D beagleboards
---
...es-Steve-Kipisz-USB-EHCI-support.-He-star.patch | 146 ++++++++++++++++++++
.../linux/linux-omap-2.6.28/beagleboard/defconfig | 6 +-
packages/linux/linux-omap_2.6.28.bb | 1 +
3 files changed, 150 insertions(+), 3 deletions(-)
diff --git a/packages/linux/linux-omap-2.6.28/0001-This-merges-Steve-Kipisz-USB-EHCI-support.-He-star.patch b/packages/linux/linux-omap-2.6.28/0001-This-merges-Steve-Kipisz-USB-EHCI-support.-He-star.patch
new file mode 100644
index 0000000..d590f8f
--- /dev/null
+++ b/packages/linux/linux-omap-2.6.28/0001-This-merges-Steve-Kipisz-USB-EHCI-support.-He-star.patch
@@ -0,0 +1,146 @@
+From f8f10f496bce396416d7156da876222c6ce8c341 Mon Sep 17 00:00:00 2001
+From: Steven Kipisz <skipisz at 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 at 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
+ */
+
+- gpio_request(gpio + 1, "EHCI_nOC");
+- gpio_direction_input(gpio + 1);
+-
+- /* 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;
+ }
+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)
+ {
+ #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
+- /* 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_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 +235,43 @@ static int omap_start_ehc(struct platform_device *dev, struct usb_hcd *hcd)
+
+ #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 +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_OMAP3_BEAGLE
+ 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_OMAP3_BEAGLE
+ gpio_free(EXT_PHY_RESET_GPIO_PORT1);
++#endif
+ gpio_free(EXT_PHY_RESET_GPIO_PORT2);
+ #endif
+
+--
+1.6.0.4.790.gaa14a
diff --git a/packages/linux/linux-omap-2.6.28/beagleboard/defconfig b/packages/linux/linux-omap-2.6.28/beagleboard/defconfig
index 6dcf5fe..4e3dd6e 100644
--- a/packages/linux/linux-omap-2.6.28/beagleboard/defconfig
+++ b/packages/linux/linux-omap-2.6.28/beagleboard/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.28-omap1
-# Fri Jan 9 12:28:30 2009
+# Fri Jan 9 17:09:12 2009
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -1494,8 +1494,8 @@ CONFIG_USB_MON=y
#
# CONFIG_USB_C67X00_HCD is not set
CONFIG_USB_EHCI_HCD=y
-# CONFIG_OMAP_EHCI_PHY_MODE is not set
-CONFIG_OMAP_EHCI_TLL_MODE=y
+CONFIG_OMAP_EHCI_PHY_MODE=y
+# CONFIG_OMAP_EHCI_TLL_MODE is not set
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
# CONFIG_USB_ISP116X_HCD is not set
diff --git a/packages/linux/linux-omap_2.6.28.bb b/packages/linux/linux-omap_2.6.28.bb
index 6109ffc..b2cbb9a 100644
--- a/packages/linux/linux-omap_2.6.28.bb
+++ b/packages/linux/linux-omap_2.6.28.bb
@@ -43,6 +43,7 @@ SRC_URI_append = " \
file://0010-DSS-OMAPFB-remove-extra-omapfb_setup_overlay-call.patch;patch=1 \
file://0011-DSS-OMAPFB-fix-GFX_SYNC-to-be-compatible-with-DSS1.patch;patch=1 \
file://0001-ASoC-Add-support-for-OMAP3-EVM.patch;patch=1 \
+ file://0001-This-merges-Steve-Kipisz-USB-EHCI-support.-He-star.patch;patch=1 \
"
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