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-rw-r--r--target/linux/brcm63xx/patches-2.6.27/008-usb_ehci_support.patch301
1 files changed, 301 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.27/008-usb_ehci_support.patch b/target/linux/brcm63xx/patches-2.6.27/008-usb_ehci_support.patch
new file mode 100644
index 000000000..5486d9805
--- /dev/null
+++ b/target/linux/brcm63xx/patches-2.6.27/008-usb_ehci_support.patch
@@ -0,0 +1,301 @@
+From 2940d1996c86c4c4dd7a82214f846d0c0b707165 Mon Sep 17 00:00:00 2001
+From: Maxime Bizon <mbizon@freebox.fr>
+Date: Mon, 21 Jul 2008 18:24:42 +0200
+Subject: [PATCH] [MIPS] BCM63XX: Add USB EHCI support.
+
+Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
+---
+ arch/mips/bcm63xx/Kconfig | 2 +
+ arch/mips/bcm63xx/Makefile | 1 +
+ arch/mips/bcm63xx/dev-usb-ehci.c | 50 +++++++
+ drivers/usb/host/ehci-bcm63xx.c | 152 ++++++++++++++++++++
+ drivers/usb/host/ehci-hcd.c | 5 +
+ drivers/usb/host/ehci.h | 5 +
+ .../asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h | 6 +
+ 7 files changed, 221 insertions(+), 0 deletions(-)
+ create mode 100644 arch/mips/bcm63xx/dev-usb-ehci.c
+ create mode 100644 drivers/usb/host/ehci-bcm63xx.c
+ create mode 100644 include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
+
+diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
+index f2ddb87..be120f7 100644
+--- a/arch/mips/bcm63xx/Kconfig
++++ b/arch/mips/bcm63xx/Kconfig
+@@ -14,4 +14,6 @@ config BCM63XX_CPU_6358
+ select USB_ARCH_HAS_OHCI
+ select USB_OHCI_BIG_ENDIAN_DESC
+ select USB_OHCI_BIG_ENDIAN_MMIO
++ select USB_ARCH_HAS_EHCI
++ select USB_EHCI_BIG_ENDIAN_MMIO
+ endmenu
+diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
+index 75f0d54..99e335d 100644
+--- a/arch/mips/bcm63xx/Makefile
++++ b/arch/mips/bcm63xx/Makefile
+@@ -2,4 +2,5 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o
+ obj-y += dev-uart.o
+ obj-y += dev-pcmcia.o
+ obj-y += dev-usb-ohci.o
++obj-y += dev-usb-ehci.o
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+diff --git a/arch/mips/bcm63xx/dev-usb-ehci.c b/arch/mips/bcm63xx/dev-usb-ehci.c
+new file mode 100644
+index 0000000..7885405
+--- /dev/null
++++ b/arch/mips/bcm63xx/dev-usb-ehci.c
+@@ -0,0 +1,50 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License. See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
++ */
++
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/platform_device.h>
++#include <bcm63xx_cpu.h>
++#include <bcm63xx_dev_usb_ehci.h>
++
++static struct resource ehci_resources[] = {
++ {
++ .start = -1, /* filled at runtime */
++ .end = -1, /* filled at runtime */
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .start = -1, /* filled at runtime */
++ .flags = IORESOURCE_IRQ,
++ },
++};
++
++static u64 ehci_dmamask = ~(u32)0;
++
++static struct platform_device bcm63xx_ehci_device = {
++ .name = "bcm63xx_ehci",
++ .id = 0,
++ .num_resources = ARRAY_SIZE(ehci_resources),
++ .resource = ehci_resources,
++ .dev = {
++ .dma_mask = &ehci_dmamask,
++ .coherent_dma_mask = 0xffffffff,
++ },
++};
++
++int __init bcm63xx_ehci_register(void)
++{
++ if (!BCMCPU_IS_6358())
++ return 0;
++
++ ehci_resources[0].start = bcm63xx_regset_address(RSET_EHCI0);
++ ehci_resources[0].end = ehci_resources[0].start;
++ ehci_resources[0].end += RSET_EHCI_SIZE - 1;
++ ehci_resources[1].start = bcm63xx_get_irq_number(IRQ_EHCI0);
++ return platform_device_register(&bcm63xx_ehci_device);
++}
+diff --git a/drivers/usb/host/ehci-bcm63xx.c b/drivers/usb/host/ehci-bcm63xx.c
+new file mode 100644
+index 0000000..2fef571
+--- /dev/null
++++ b/drivers/usb/host/ehci-bcm63xx.c
+@@ -0,0 +1,152 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License. See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
++ */
++
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <bcm63xx_cpu.h>
++#include <bcm63xx_regs.h>
++#include <bcm63xx_io.h>
++
++static int ehci_bcm63xx_setup(struct usb_hcd *hcd)
++{
++ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
++ int retval;
++
++ retval = ehci_halt(ehci);
++ if (retval)
++ return retval;
++
++ retval = ehci_init(hcd);
++ if (retval)
++ return retval;
++
++ hcd->has_tt = 1;
++ ehci_reset(ehci);
++ ehci_port_power(ehci, 0);
++
++ return retval;
++}
++
++
++static const struct hc_driver ehci_bcm63xx_hc_driver = {
++ .description = hcd_name,
++ .product_desc = "BCM63XX integrated EHCI controller",
++ .hcd_priv_size = sizeof(struct ehci_hcd),
++
++ .irq = ehci_irq,
++ .flags = HCD_MEMORY | HCD_USB2,
++
++ .reset = ehci_bcm63xx_setup,
++ .start = ehci_run,
++ .stop = ehci_stop,
++ .shutdown = ehci_shutdown,
++
++ .urb_enqueue = ehci_urb_enqueue,
++ .urb_dequeue = ehci_urb_dequeue,
++ .endpoint_disable = ehci_endpoint_disable,
++
++ .get_frame_number = ehci_get_frame,
++
++ .hub_status_data = ehci_hub_status_data,
++ .hub_control = ehci_hub_control,
++ .bus_suspend = ehci_bus_suspend,
++ .bus_resume = ehci_bus_resume,
++ .relinquish_port = ehci_relinquish_port,
++ .port_handed_over = ehci_port_handed_over,
++};
++
++static int __devinit ehci_hcd_bcm63xx_drv_probe(struct platform_device *pdev)
++{
++ struct resource *res_mem, *res_irq;
++ struct usb_hcd *hcd;
++ struct ehci_hcd *ehci;
++ u32 reg;
++ int ret;
++
++ res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
++ if (!res_mem || !res_irq)
++ return -ENODEV;
++
++ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_REG);
++ reg &= ~USBH_PRIV_SWAP_EHCI_DATA_MASK;
++ reg |= USBH_PRIV_SWAP_EHCI_ENDN_MASK;
++ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_REG);
++
++ /* don't ask... */
++ bcm_rset_writel(RSET_USBH_PRIV, 0x1c0020, USBH_PRIV_TEST_REG);
++
++ hcd = usb_create_hcd(&ehci_bcm63xx_hc_driver, &pdev->dev, "bcm63xx");
++ if (!hcd)
++ return -ENOMEM;
++ hcd->rsrc_start = res_mem->start;
++ hcd->rsrc_len = res_mem->end - res_mem->start + 1;
++
++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
++ pr_debug("request_mem_region failed\n");
++ ret = -EBUSY;
++ goto out;
++ }
++
++ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
++ if (!hcd->regs) {
++ pr_debug("ioremap failed\n");
++ ret = -EIO;
++ goto out1;
++ }
++
++ ehci = hcd_to_ehci(hcd);
++ ehci->big_endian_mmio = 1;
++ ehci->big_endian_desc = 0;
++ ehci->caps = hcd->regs;
++ ehci->regs = hcd->regs +
++ HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
++ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
++ ehci->sbrn = 0x20;
++
++ ret = usb_add_hcd(hcd, res_irq->start, IRQF_DISABLED);
++ if (ret)
++ goto out2;
++
++ platform_set_drvdata(pdev, hcd);
++ return 0;
++
++out2:
++ iounmap(hcd->regs);
++out1:
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++out:
++ usb_put_hcd(hcd);
++ return ret;
++}
++
++static int __devexit ehci_hcd_bcm63xx_drv_remove(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd;
++
++ hcd = platform_get_drvdata(pdev);
++ usb_remove_hcd(hcd);
++ iounmap(hcd->regs);
++ usb_put_hcd(hcd);
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++ platform_set_drvdata(pdev, NULL);
++ return 0;
++}
++
++static struct platform_driver ehci_hcd_bcm63xx_driver = {
++ .probe = ehci_hcd_bcm63xx_drv_probe,
++ .remove = __devexit_p(ehci_hcd_bcm63xx_drv_remove),
++ .shutdown = usb_hcd_platform_shutdown,
++ .driver = {
++ .name = "bcm63xx_ehci",
++ .owner = THIS_MODULE,
++ .bus = &platform_bus_type
++ },
++};
++
++MODULE_ALIAS("platform:bcm63xx_ehci");
+diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
+index 8409e07..3230ba3 100644
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -1040,6 +1040,11 @@ MODULE_LICENSE ("GPL");
+ #define PLATFORM_DRIVER ixp4xx_ehci_driver
+ #endif
+
++#ifdef CONFIG_BCM63XX
++#include "ehci-bcm63xx.c"
++#define PLATFORM_DRIVER ehci_hcd_bcm63xx_driver
++#endif
++
+ #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
+ !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER)
+ #error "missing bus glue for ehci-hcd"
+diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
+index 5799298..71d0eca 100644
+--- a/drivers/usb/host/ehci.h
++++ b/drivers/usb/host/ehci.h
+@@ -755,6 +755,11 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
+ #define writel_be(val, addr) __raw_writel(val, (__force unsigned *)addr)
+ #endif
+
++#if defined(CONFIG_MIPS) && defined(CONFIG_BCM63XX)
++#define readl_be(addr) __raw_readl((__force unsigned *)addr)
++#define writel_be(val, addr) __raw_writel(val, (__force unsigned *)addr)
++#endif
++
+ static inline unsigned int ehci_readl(const struct ehci_hcd *ehci,
+ __u32 __iomem * regs)
+ {
+diff --git a/include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h b/include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
+new file mode 100644
+index 0000000..17fb519
+--- /dev/null
++++ b/include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
+@@ -0,0 +1,6 @@
++#ifndef BCM63XX_DEV_USB_EHCI_H_
++#define BCM63XX_DEV_USB_EHCI_H_
++
++int bcm63xx_ehci_register(void);
++
++#endif /* BCM63XX_DEV_USB_EHCI_H_ */
+--
+1.5.4.3
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 13:11:25 +0000