The bcm63xx SOC has an integrated OHCI controller, this patch adds platform device registration and change board code to register ohci device when necessary. Signed-off-by: Maxime Bizon --- arch/mips/bcm63xx/Kconfig | 6 ++ arch/mips/bcm63xx/Makefile | 3 +- arch/mips/bcm63xx/boards/board_bcm963xx.c | 4 ++ arch/mips/bcm63xx/dev-usb-ohci.c | 49 ++++++++++++++++++++ .../asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h | 6 ++ 5 files changed, 67 insertions(+), 1 deletions(-) create mode 100644 arch/mips/bcm63xx/dev-usb-ohci.c create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig index fb177d6..76fbbf7 100644 --- a/arch/mips/bcm63xx/Kconfig +++ b/arch/mips/bcm63xx/Kconfig @@ -16,10 +16,16 @@ config BCM63XX_CPU_6345 config BCM63XX_CPU_6348 bool "support 6348 CPU" select HW_HAS_PCI + select USB_ARCH_HAS_OHCI + select USB_OHCI_BIG_ENDIAN_DESC + select USB_OHCI_BIG_ENDIAN_MMIO config BCM63XX_CPU_6358 bool "support 6358 CPU" select HW_HAS_PCI + select USB_ARCH_HAS_OHCI + select USB_OHCI_BIG_ENDIAN_DESC + select USB_OHCI_BIG_ENDIAN_MMIO endmenu source "arch/mips/bcm63xx/boards/Kconfig" diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index 00064b6..be5d7ad 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +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-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \ + dev-usb-ohci.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index ea17941..e2c0c36 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #define PFX "board_bcm963xx: " @@ -803,6 +804,9 @@ int __init board_register_devices(void) !board_get_mac_address(board.enet1.mac_addr)) bcm63xx_enet_register(1, &board.enet1); + if (board.has_ohci0) + bcm63xx_ohci_register(); + if (board.has_dsp) bcm63xx_dsp_register(&board.dsp); diff --git a/arch/mips/bcm63xx/dev-usb-ohci.c b/arch/mips/bcm63xx/dev-usb-ohci.c new file mode 100644 index 0000000..f1fb442 --- /dev/null +++ b/arch/mips/bcm63xx/dev-usb-ohci.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 + */ + +#include +#include +#include +#include +#include + +static struct resource ohci_resources[] = { + { + /* start & end filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + /* start filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 ohci_dmamask = ~(u32)0; + +static struct platform_device bcm63xx_ohci_device = { + .name = "bcm63xx_ohci", + .id = 0, + .num_resources = ARRAY_SIZE(ohci_resources), + .resource = ohci_resources, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, +}; + +int __init bcm63xx_ohci_register(void) +{ + if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358()) + return 0; + + ohci_resources[0].start = bcm63xx_regset_address(RSET_OHCI0); + ohci_resources[0].end = ohci_resources[0].start; + ohci_resources[0].end += RSET_OHCI_SIZE - 1; + ohci_resources[1].start = bcm63xx_get_irq_number(IRQ_OHCI0); + return platform_device_register(&bcm63xx_ohci_device); +} diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h new file mode 100644 index 0000000..518a04d --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h @@ -0,0 +1,6 @@ +#ifndef BCM63XX_DEV_USB_OHCI_H_ +#define BCM63XX_DEV_USB_OHCI_H_ + +int bcm63xx_ohci_register(void); + +#endif /* BCM63XX_DEV_USB_OHCI_H_ */ -- 1.6.3.3