diff options
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.patch | 117 |
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_ */ |