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Diffstat (limited to 'target/linux/gemini/patches/130-usb-ehci-gemini-fot2gxx-support.patch')
-rw-r--r--target/linux/gemini/patches/130-usb-ehci-gemini-fot2gxx-support.patch611
1 files changed, 0 insertions, 611 deletions
diff --git a/target/linux/gemini/patches/130-usb-ehci-gemini-fot2gxx-support.patch b/target/linux/gemini/patches/130-usb-ehci-gemini-fot2gxx-support.patch
deleted file mode 100644
index e3900861f1..0000000000
--- a/target/linux/gemini/patches/130-usb-ehci-gemini-fot2gxx-support.patch
+++ /dev/null
@@ -1,611 +0,0 @@
---- /dev/null
-+++ b/drivers/usb/host/ehci-fotg2xx.c
-@@ -0,0 +1,459 @@
-+/*
-+ * EHCI Host Controller driver
-+ *
-+ * Copyright (C) 2006 Sony Computer Entertainment Inc.
-+ * Copyright 2006 Sony Corp.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; version 2 of the License.
-+ */
-+
-+#include <linux/platform_device.h>
-+#include <mach/hardware.h>
-+
-+#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port)
-+
-+#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port)
-+
-+#define GLOBAL_ISR 0xC0
-+#define GLOBAL_ICR 0xC4
-+
-+#define HCD_MISC 0x40
-+
-+#define OTGC_SCR 0x80
-+#define OTGC_INT_EN 0x88
-+
-+#define GLOBAL_INT_POLARITY (1 << 3)
-+#define GLOBAL_INT_MASK_HC (1 << 2)
-+#define GLOBAL_INT_MASK_OTG (1 << 1)
-+#define GLOBAL_INT_MASK_DEV (1 << 0)
-+
-+#define OTGC_SCR_ID (1 << 21)
-+#define OTGC_SCR_CROLE (1 << 20)
-+#define OTGC_SCR_VBUS_VLD (1 << 19)
-+#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
-+#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
-+#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
-+#define OTGC_SCR_A_BUS_DROP (1 << 5)
-+#define OTGC_SCR_A_BUS_REQ (1 << 4)
-+
-+#define OTGC_INT_APLGRMV (1 << 12)
-+#define OTGC_INT_BPLGRMV (1 << 11)
-+#define OTGC_INT_OVC (1 << 10)
-+#define OTGC_INT_IDCHG (1 << 9)
-+#define OTGC_INT_RLCHG (1 << 8)
-+#define OTGC_INT_AVBUSERR (1 << 5)
-+#define OTGC_INT_ASRPDET (1 << 4)
-+#define OTGC_INT_BSRPDN (1 << 0)
-+
-+#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV)
-+#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG)
-+
-+static void fotg2xx_otgc_role_change(struct usb_hcd *hcd);
-+
-+static void fotg2xx_otgc_init(struct usb_hcd *hcd)
-+{
-+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-+ unsigned int reg;
-+
-+ reg = __raw_readl(hcd->regs + OTGC_SCR);
-+ ehci_info(ehci, "role detected: %s, ",
-+ (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host");
-+
-+ if (reg & OTGC_SCR_ID)
-+ ehci_info(ehci, "B-Device (may be unsupported!)\n");
-+ else
-+ ehci_info(ehci, "A-Device\n");
-+
-+ /* Enable the SRP detect */
-+ reg &= ~OTGC_SCR_A_SRP_RESP_TYPE;
-+ __raw_writel(reg, hcd->regs + OTGC_SCR);
-+
-+ reg = __raw_readl(hcd->regs + OTGC_INT_EN);
-+ /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */
-+ reg &= ~OTGC_INT_B_TYPE;
-+ /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */
-+ reg |= OTGC_INT_A_TYPE;
-+ __raw_writel(reg, hcd->regs + OTGC_INT_EN);
-+
-+ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
-+ reg &= ~GLOBAL_INT_MASK_OTG;
-+ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
-+
-+ /* setup MISC register, fixes timing problems */
-+ reg = __raw_readl(hcd->regs + HCD_MISC);
-+ reg |= 0xD;
-+ __raw_writel(reg, hcd->regs + HCD_MISC);
-+
-+ fotg2xx_otgc_role_change(hcd);
-+}
-+
-+static void fotg2xx_otgh_close(struct usb_hcd *hcd)
-+{
-+ unsigned int reg;
-+
-+ /* <1>.Enable Interrupt Mask */
-+ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
-+ reg |= GLOBAL_INT_MASK_HC;
-+ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
-+
-+ /* <2>.Clear the Interrupt status */
-+ reg = __raw_readl(hcd->regs + 0x18);
-+ reg &= 0x0000003F;
-+ __raw_writel(reg, hcd->regs + 0x14);
-+}
-+
-+static void fotg2xx_otgh_open(struct usb_hcd *hcd)
-+{
-+ unsigned int reg;
-+
-+ reg = __raw_readl(hcd->regs + OTGC_SCR);
-+ reg &= ~OTGC_SCR_A_SRP_DET_EN;
-+ __raw_writel(reg, hcd->regs + OTGC_SCR);
-+
-+ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
-+ reg &= ~GLOBAL_INT_MASK_HC;
-+ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
-+}
-+
-+/* change to host role */
-+static void fotg2xx_otgc_role_change(struct usb_hcd *hcd)
-+{
-+
-+ /* clear A_SET_B_HNP_EN */
-+ otg_clear(0x80, BIT(6));
-+
-+ /*** Enable VBUS driving */
-+ if (readl(hcd->regs + 0x80) & BIT(19))
-+ printk(KERN_INFO "VBUS already enabled\n");
-+ else {
-+ int cnt = 0;
-+
-+ /* clear A_BUS_DROP */
-+ otg_clear(0x80, BIT(5));
-+
-+ /* set A_BUS_REQ */
-+ otg_set(0x80, BIT(4));
-+
-+ /* set global bus reg to VBUS on */
-+ writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))),
-+ IO_ADDRESS(0x40000000) + 0x30);
-+
-+ if (readl(hcd->regs + 0x80) & (1<<19)) {
-+ printk(KERN_INFO "Waiting for VBus");
-+ while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) {
-+ printk(KERN_CONT ".");
-+ cnt++;
-+ }
-+ printk(KERN_CONT "\n");
-+ } else
-+ printk(KERN_INFO "VBUS enabled.\n");
-+
-+ mdelay(1);
-+ }
-+ fotg2xx_otgh_open(hcd);
-+}
-+
-+static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd)
-+{
-+ int result;
-+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-+
-+ ehci->caps = hcd->regs;
-+ ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
-+
-+ dbg_hcs_params(ehci, "reset");
-+ dbg_hcc_params(ehci, "reset");
-+
-+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-+ hcd->has_tt = 1;
-+
-+ result = ehci_halt(ehci);
-+ if (result)
-+ return result;
-+
-+ return ehci_init(hcd);
-+}
-+
-+/*
-+ * Name: OTGC_INT_ISR
-+ * Description:This interrupt service routine belongs to the OTG-Controller
-+ * <1>.Check for ID_Change
-+ * <2>.Check for RL_Change
-+ * <3>.Error Detect
-+ * Input: wINTStatus
-+ * Output:void
-+ */
-+void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus)
-+{
-+ /* <1>.Check for ID_Change */
-+ if (wINTStatus&OTGC_INT_IDCHG) {
-+ if ((readl(hcd->regs + 0x80) & BIT(21)) != 0)
-+ fotg2xx_otgc_init(hcd); /* Change to B Type */
-+ else
-+ fotg2xx_otgc_init(hcd); /* Change to A Type */
-+
-+ return;
-+ }
-+
-+ /* <2>.Check for RL_Change */
-+ if (wINTStatus&OTGC_INT_RLCHG)
-+ fotg2xx_otgc_role_change(hcd);
-+
-+ /* <3>.Error Detect */
-+ if (wINTStatus&OTGC_INT_AVBUSERR)
-+ printk(KERN_ERR "VBus error!\n");
-+
-+ if (wINTStatus&OTGC_INT_OVC)
-+ printk(KERN_WARNING "Overcurrent detected!\n");
-+
-+ /* <3>.Check for Type-A/Type-B Interrupt */
-+ if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/
-+ if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) {
-+ /* <1>.SRP detected => then set global variable */
-+ printk(KERN_WARNING "SRP detected, but not implemented!\n");
-+
-+#if 0
-+ u32 wTempCounter;
-+ /* <2>.Turn on the V Bus */
-+ pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE;
-+ OTGC_enable_vbus_draw_storlink(1);
-+ pFTC_OTG->otg.state = OTG_STATE_A_HOST;
-+ /* <3>.Should waiting for Device-Connect Wait 300ms */
-+ INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n");
-+ wTempCounter = 0;
-+ while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) {
-+ mdelay(1);
-+ wTempCounter++;
-+ /* Waiting for 300 ms */
-+ if (wTempCounter > 300) {
-+ mdwOTGC_Control_A_SRP_DET_EN_Clr();
-+ INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n");
-+ break;
-+ }
-+ }
-+ /* <4>.If Connect => issue quick Reset */
-+ if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) {
-+ mdelay(300); /* For OPT-A Test */
-+ OTGH_host_quick_Reset();
-+ OTGH_Open();
-+ pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0;
-+ }
-+#endif
-+ }
-+ } else { /* For Type-B Interrupt */
-+ BUG();
-+ }
-+}
-+
-+static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid)
-+{
-+ struct usb_hcd *hcd = devid;
-+ u32 val;
-+
-+ /* OTG Interrupt Status Register */
-+ val = readl(hcd->regs + 0x84);
-+
-+ /* OTG stuff */
-+ if (val) {
-+ /* supposed to do "INT STS Clr" - XXX */
-+ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
-+
-+ fotg2xx_int_isr(hcd, val);
-+
-+ /* supposed to do "INT STS Clr" - XXX */
-+ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
-+
-+ return IRQ_HANDLED;
-+ }
-+
-+ if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */
-+ if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */
-+ /* leave this for ehci irq handler */
-+ return IRQ_NONE;
-+ }
-+ } else
-+ printk(KERN_WARNING
-+ "received irq for peripheral - don't know what to do!\n");
-+
-+ /* do not call the ehci irq handler */
-+ return IRQ_HANDLED;
-+}
-+
-+static int fotg2xx_ehci_run(struct usb_hcd *hcd)
-+{
-+ int retval;
-+
-+ retval = ehci_run(hcd);
-+
-+ fotg2xx_otgh_close(hcd);
-+ fotg2xx_otgc_init(hcd);
-+
-+ return retval;
-+}
-+
-+static const struct hc_driver fotg2xx_ehci_hc_driver = {
-+ .description = hcd_name,
-+ .product_desc = "FOTG2XX EHCI Host Controller",
-+ .hcd_priv_size = sizeof(struct ehci_hcd),
-+ .irq = ehci_irq,
-+ .flags = HCD_MEMORY | HCD_USB2,
-+ .reset = fotg2xx_ehci_hc_reset,
-+ .start = fotg2xx_ehci_run,
-+ .stop = ehci_stop,
-+ .shutdown = ehci_shutdown,
-+
-+ .urb_enqueue = ehci_urb_enqueue,
-+ .urb_dequeue = ehci_urb_dequeue,
-+ .endpoint_disable = ehci_endpoint_disable,
-+ .endpoint_reset = ehci_endpoint_reset,
-+
-+ .get_frame_number = ehci_get_frame,
-+
-+ .hub_status_data = ehci_hub_status_data,
-+ .hub_control = ehci_hub_control,
-+#if defined(CONFIG_PM)
-+ .bus_suspend = ehci_bus_suspend,
-+ .bus_resume = ehci_bus_resume,
-+#endif
-+ .relinquish_port = ehci_relinquish_port,
-+ .port_handed_over = ehci_port_handed_over,
-+
-+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-+};
-+
-+static int fotg2xx_ehci_probe(struct platform_device *pdev)
-+{
-+ const struct hc_driver *driver = &fotg2xx_ehci_hc_driver;
-+ struct usb_hcd *hcd;
-+ struct resource *res;
-+ int irq;
-+ int retval;
-+
-+ pr_debug("initializing FOTG2XX-SOC USB Controller\n");
-+
-+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-+ if (!res) {
-+ dev_err(&pdev->dev,
-+ "Found HC with no IRQ. Check %s setup!\n",
-+ dev_name(&pdev->dev));
-+ return -ENODEV;
-+ }
-+
-+ irq = res->start;
-+
-+ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
-+ if (!hcd) {
-+ retval = -ENOMEM;
-+ goto err1;
-+ }
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!res) {
-+ dev_err(&pdev->dev,
-+ "Found HC with no register addr. Check %s setup!\n",
-+ dev_name(&pdev->dev));
-+ retval = -ENODEV;
-+ goto err2;
-+ }
-+
-+ hcd->rsrc_start = res->start;
-+ hcd->rsrc_len = res->end - res->start + 1;
-+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
-+ driver->description)) {
-+ dev_dbg(&pdev->dev, "controller already in use\n");
-+ retval = -EBUSY;
-+ goto err2;
-+ }
-+
-+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-+ if (hcd->regs == NULL) {
-+ dev_dbg(&pdev->dev, "error mapping memory\n");
-+ retval = -EFAULT;
-+ goto err3;
-+ }
-+
-+
-+ /* set global reg to mini-A host */
-+ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)),
-+ IO_ADDRESS(0x40000000) + 0x30);
-+
-+ /* USB0&USB1 - VBUS off */
-+ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)),
-+ IO_ADDRESS(0x40000000) + 0x30);
-+
-+ if ((readl(hcd->regs) == 0x01000010) &&
-+ (readl(hcd->regs + 4) == 0x00000001) &&
-+ (readl(hcd->regs + 8) == 0x00000006)) {
-+ dev_info(&pdev->dev,
-+ "Found Faraday OTG 2XX controller (base = 0x%08lX)\n",
-+ (unsigned long) hcd->rsrc_start);
-+ } else {
-+ dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n",
-+ readl(hcd->regs + 0x00),
-+ readl(hcd->regs + 0x04),
-+ readl(hcd->regs + 0x08));
-+ retval = -ENODEV;
-+ goto err4;
-+ }
-+
-+ platform_set_drvdata(pdev, hcd);
-+
-+ /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */
-+ otg_set(0xc4, BIT(3)); /* hi active */
-+
-+ otg_set(0xc4, BIT(2)); /* host */
-+ otg_set(0xc4, BIT(1)); /* otg */
-+ otg_set(0xc4, BIT(0)); /* peripheral */
-+
-+ /* register additional interrupt - here we check otg status */
-+ if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED,
-+ hcd->irq_descr, hcd)) != 0) {
-+ dev_dbg(&pdev->dev, "error requesting irq %d\n", irq);
-+ retval = -EFAULT;
-+ goto err4;
-+ }
-+
-+ retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
-+ if (retval != 0)
-+ goto err4;
-+ return retval;
-+
-+err4:
-+ iounmap(hcd->regs);
-+err3:
-+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-+err2:
-+ usb_put_hcd(hcd);
-+err1:
-+ dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
-+ return retval;
-+}
-+
-+/* may be called without controller electrically present */
-+/* may be called with controller, bus, and devices active */
-+
-+int fotg2xx_ehci_remove(struct platform_device *pdev)
-+{
-+ struct usb_hcd *hcd =
-+ (struct usb_hcd *)platform_get_drvdata(pdev);
-+
-+ usb_remove_hcd(hcd);
-+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-+ iounmap(hcd->regs);
-+ usb_put_hcd(hcd);
-+ platform_set_drvdata(pdev, NULL);
-+
-+ return 0;
-+}
-+
-+MODULE_ALIAS("platform:ehci-fotg2xx");
-+
-+static struct platform_driver fotg2xx_ehci_driver = {
-+ .probe = fotg2xx_ehci_probe,
-+ .remove = fotg2xx_ehci_remove,
-+ .driver = {
-+ .name = "ehci-fotg2xx",
-+ },
-+};
---- a/drivers/usb/host/ehci.h
-+++ b/drivers/usb/host/ehci.h
-@@ -600,7 +600,12 @@ static inline unsigned int
- ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
- {
- if (ehci_is_TDI(ehci)) {
-+#ifdef CONFIG_ARCH_GEMINI
-+ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
-+ switch ((portsc>>22)&3) {
-+#else
- switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
-+#endif
- case 0:
- return 0;
- case 1:
---- a/drivers/usb/host/ehci-hcd.c
-+++ b/drivers/usb/host/ehci-hcd.c
-@@ -204,10 +204,12 @@ static int ehci_halt (struct ehci_hcd *e
- * This routine gets called during probe before ehci->command
- * has been initialized, so we can't rely on its value.
- */
-+#ifndef CONFIG_ARCH_GEMINI
- ehci->command &= ~CMD_RUN;
- temp = ehci_readl(ehci, &ehci->regs->command);
- temp &= ~(CMD_RUN | CMD_IAAD);
- ehci_writel(ehci, temp, &ehci->regs->command);
-+#endif
-
- spin_unlock_irq(&ehci->lock);
- synchronize_irq(ehci_to_hcd(ehci)->irq);
-@@ -257,13 +259,17 @@ static int ehci_reset (struct ehci_hcd *
- if (ehci->has_hostpc) {
- ehci_writel(ehci, USBMODE_EX_HC | USBMODE_EX_VBPS,
- &ehci->regs->usbmode_ex);
-+#ifndef CONFIG_ARCH_GEMINI
- ehci_writel(ehci, TXFIFO_DEFAULT, &ehci->regs->txfill_tuning);
-+#endif
- }
- if (retval)
- return retval;
-
-+#ifndef CONFIG_ARCH_GEMINI
- if (ehci_is_TDI(ehci))
- tdi_reset (ehci);
-+#endif
-
- if (ehci->debug)
- dbgp_external_startup(ehci_to_hcd(ehci));
-@@ -341,11 +347,14 @@ static void ehci_silence_controller(stru
- ehci->rh_state = EHCI_RH_HALTED;
- ehci_turn_off_all_ports(ehci);
-
-+#ifndef CONFIG_ARCH_GEMINI
- /* make BIOS/etc use companion controller during reboot */
- ehci_writel(ehci, 0, &ehci->regs->configured_flag);
-
- /* unblock posted writes */
- ehci_readl(ehci, &ehci->regs->configured_flag);
-+#endif
-+
- spin_unlock_irq(&ehci->lock);
- }
-
-@@ -600,7 +609,9 @@ static int ehci_run (struct usb_hcd *hcd
- // Philips, Intel, and maybe others need CMD_RUN before the
- // root hub will detect new devices (why?); NEC doesn't
- ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
-+#ifndef CONFIG_ARCH_GEMINI
- ehci->command |= CMD_RUN;
-+#endif
- ehci_writel(ehci, ehci->command, &ehci->regs->command);
- dbg_cmd (ehci, "init", ehci->command);
-
-@@ -620,9 +631,11 @@ static int ehci_run (struct usb_hcd *hcd
- */
- down_write(&ehci_cf_port_reset_rwsem);
- ehci->rh_state = EHCI_RH_RUNNING;
-+#ifndef CONFIG_ARCH_GEMINI
- ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
- ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
- msleep(5);
-+#endif /* !CONFIG_ARCH_GEMINI */
- up_write(&ehci_cf_port_reset_rwsem);
- ehci->last_periodic_enable = ktime_get_real();
-
-@@ -1238,6 +1251,11 @@ MODULE_DESCRIPTION(DRIVER_DESC);
- MODULE_AUTHOR (DRIVER_AUTHOR);
- MODULE_LICENSE ("GPL");
-
-+#ifdef CONFIG_ARCH_GEMINI
-+#include "ehci-fotg2xx.c"
-+#define PLATFORM_DRIVER fotg2xx_ehci_driver
-+#endif
-+
- #ifdef CONFIG_USB_EHCI_FSL
- #include "ehci-fsl.c"
- #define PLATFORM_DRIVER ehci_fsl_driver
---- a/drivers/usb/host/ehci-hub.c
-+++ b/drivers/usb/host/ehci-hub.c
-@@ -912,6 +912,12 @@ static int ehci_hub_control (
- /* see what we found out */
- temp = check_reset_complete (ehci, wIndex, status_reg,
- ehci_readl(ehci, status_reg));
-+#ifdef CONFIG_ARCH_GEMINI
-+ /* restart schedule */
-+ ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command);
-+
-+// hcd->state = HC_STATE_RUNNING;
-+#endif
- }
-
- if (!(temp & (PORT_RESUME|PORT_RESET))) {
---- a/drivers/usb/Kconfig
-+++ b/drivers/usb/Kconfig
-@@ -47,6 +47,7 @@ config USB_ARCH_HAS_EHCI
- default y if MICROBLAZE
- default y if SPARC_LEON
- default y if ARCH_MMP
-+ default y if ARCH_GEMINI
- default y if MACH_LOONGSON1
- default y if PLAT_ORION
- default PCI
-@@ -96,7 +97,7 @@ config USB
- traditional PC serial port. The bus supplies power to peripherals
- and allows for hot swapping. Up to 127 USB peripherals can be
- connected to a single USB host in a tree structure.
--
-+
- The USB host is the root of the tree, the peripherals are the
- leaves and the inner nodes are special USB devices called hubs.
- Most PCs now have USB host ports, used to connect peripherals
---- a/include/linux/usb/ehci_def.h
-+++ b/include/linux/usb/ehci_def.h
-@@ -111,6 +111,7 @@ struct ehci_regs {
- /* ASYNCLISTADDR: offset 0x18 */
- u32 async_next; /* address of next async queue head */
-
-+#ifndef CONFIG_ARCH_GEMINI
- u32 reserved1[2];
-
- /* TXFILLTUNING: offset 0x24 */
-@@ -118,6 +119,7 @@ struct ehci_regs {
- #define TXFIFO_DEFAULT (8<<16) /* FIFO burst threshold 8 */
-
- u32 reserved2[6];
-+#endif /* !CONFIG_ARCH_GEMINI */
-
- /* CONFIGFLAG: offset 0x40 */
- u32 configured_flag;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 12:37:03 +0000