New Broadcom BCM63xx codebase, huge thanks to Maxime ;)

SVN-Revision: 13001

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 0000000000..5486d98055
--- /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
+