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Diffstat (limited to 'target/linux/brcm63xx/patches-2.6.38/008-usb-ehci-support.patch')
-rw-r--r--target/linux/brcm63xx/patches-2.6.38/008-usb-ehci-support.patch117
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_ */