bcm63xx: Add support for 2.6.38

Add support for Kernel 2.6.38, based on 2.6.38.6. Boots fine on a BCM6358.

Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>

SVN-Revision: 27018

1 files changed, 117 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-2.6.38/008-usb-ehci-support.patch b/target/linux/brcm63xx/patches-2.6.38/008-usb-ehci-support.patch
new file mode 100644
index 0000000000..0c236f0b7c
--- /dev/null
+++ b/target/linux/brcm63xx/patches-2.6.38/008-usb-ehci-support.patch
@@ -0,0 +1,117 @@
+The bcm63xx SOC has an integrated EHCI controller, this patch adds
+platform device registration and change board code to register
+EHCI device when necessary.
+
+Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
+---
+ arch/mips/bcm63xx/Kconfig                          |    2 +
+ arch/mips/bcm63xx/Makefile                         |    2 +-
+ arch/mips/bcm63xx/boards/board_bcm963xx.c          |    4 ++
+ arch/mips/bcm63xx/dev-usb-ehci.c                   |   49 ++++++++++++++++++++
+ .../asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h        |    6 ++
+ 5 files changed, 62 insertions(+), 1 deletions(-)
+ create mode 100644 arch/mips/bcm63xx/dev-usb-ehci.c
+ create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
+
+--- a/arch/mips/bcm63xx/Kconfig
++++ b/arch/mips/bcm63xx/Kconfig
+@@ -26,6 +26,8 @@ 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
+ 
+ source "arch/mips/bcm63xx/boards/Kconfig"
+--- a/arch/mips/bcm63xx/Makefile
++++ b/arch/mips/bcm63xx/Makefile
+@@ -1,6 +1,6 @@
+ obj-y		+= clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
+ 		   dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \
+-		   dev-usb-ohci.o
++		   dev-usb-ohci.o dev-usb-ehci.o
+ obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
+ 
+ obj-y		+= boards/
+--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
+@@ -26,6 +26,7 @@
+ #include <bcm63xx_dev_dsp.h>
+ #include <bcm63xx_dev_pcmcia.h>
+ #include <bcm63xx_dev_usb_ohci.h>
++#include <bcm63xx_dev_usb_ehci.h>
+ #include <board_bcm963xx.h>
+ 
+ #define PFX	"board_bcm963xx: "
+@@ -878,6 +879,9 @@ int __init board_register_devices(void)
+ 	    !board_get_mac_address(board.enet1.mac_addr))
+ 		bcm63xx_enet_register(1, &board.enet1);
+ 
++	if (board.has_ehci0)
++		bcm63xx_ehci_register();
++
+ 	if (board.has_ohci0)
+ 		bcm63xx_ohci_register();
+ 
+--- /dev/null
++++ b/arch/mips/bcm63xx/dev-usb-ehci.c
+@@ -0,0 +1,49 @@
++/*
++ * 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) 2010 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 & end filled at runtime */
++		.flags		= IORESOURCE_MEM,
++	},
++	{
++		/* start 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);
++}
+--- /dev/null
++++ b/arch/mips/include/asm/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_ */