target/linux/brcm63xx/patches-2.6.32/007-usb-ohci-support.patch

   1 The bcm63xx SOC has an integrated OHCI controller, this patch adds
   2 platform device registration and change board code to register ohci
   3 device when necessary.
   4
   5 Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
   6 ---
   7  arch/mips/bcm63xx/Kconfig                          |    6 ++
   8  arch/mips/bcm63xx/Makefile                         |    3 +-
   9  arch/mips/bcm63xx/boards/board_bcm963xx.c          |    4 ++
  10  arch/mips/bcm63xx/dev-usb-ohci.c                   |   49 ++++++++++++++++++++
  11  .../asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h        |    6 ++
  12  5 files changed, 67 insertions(+), 1 deletions(-)
  13  create mode 100644 arch/mips/bcm63xx/dev-usb-ohci.c
  14  create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h
  15
  16 diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
  17 index fb177d6..76fbbf7 100644
  18 --- a/arch/mips/bcm63xx/Kconfig
  19 +++ b/arch/mips/bcm63xx/Kconfig
  20 @@ -16,10 +16,16 @@ config BCM63XX_CPU_6345
  21  config BCM63XX_CPU_6348
  22         bool "support 6348 CPU"
  23         select HW_HAS_PCI
  24 +       select USB_ARCH_HAS_OHCI
  25 +       select USB_OHCI_BIG_ENDIAN_DESC
  26 +       select USB_OHCI_BIG_ENDIAN_MMIO
  27
  28  config BCM63XX_CPU_6358
  29         bool "support 6358 CPU"
  30         select HW_HAS_PCI
  31 +       select USB_ARCH_HAS_OHCI
  32 +       select USB_OHCI_BIG_ENDIAN_DESC
  33 +       select USB_OHCI_BIG_ENDIAN_MMIO
  34  endmenu
  35
  36  source "arch/mips/bcm63xx/boards/Kconfig"
  37 diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
  38 index 00064b6..be5d7ad 100644
  39 --- a/arch/mips/bcm63xx/Makefile
  40 +++ b/arch/mips/bcm63xx/Makefile
  41 @@ -1,5 +1,6 @@
  42  obj-y          += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
  43 -                  dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o
  44 +                  dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \
  45 +                  dev-usb-ohci.o
  46  obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
  47
  48  obj-y          += boards/
  49 diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
  50 index ea17941..e2c0c36 100644
  51 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
  52 +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
  53 @@ -24,6 +24,7 @@
  54  #include <bcm63xx_dev_enet.h>
  55  #include <bcm63xx_dev_dsp.h>
  56  #include <bcm63xx_dev_pcmcia.h>
  57 +#include <bcm63xx_dev_usb_ohci.h>
  58  #include <board_bcm963xx.h>
  59
  60  #define PFX    "board_bcm963xx: "
  61 @@ -803,6 +804,9 @@ int __init board_register_devices(void)
  62             !board_get_mac_address(board.enet1.mac_addr))
  63                 bcm63xx_enet_register(1, &board.enet1);
  64
  65 +       if (board.has_ohci0)
  66 +               bcm63xx_ohci_register();
  67 +
  68         if (board.has_dsp)
  69                 bcm63xx_dsp_register(&board.dsp);
  70
  71 diff --git a/arch/mips/bcm63xx/dev-usb-ohci.c b/arch/mips/bcm63xx/dev-usb-ohci.c
  72 new file mode 100644
  73 index 0000000..f1fb442
  74 --- /dev/null
  75 +++ b/arch/mips/bcm63xx/dev-usb-ohci.c
  76 @@ -0,0 +1,49 @@
  77 +/*
  78 + * This file is subject to the terms and conditions of the GNU General Public
  79 + * License.  See the file "COPYING" in the main directory of this archive
  80 + * for more details.
  81 + *
  82 + * Copyright (C) 2010 Maxime Bizon <mbizon@freebox.fr>
  83 + */
  84 +
  85 +#include <linux/init.h>
  86 +#include <linux/kernel.h>
  87 +#include <linux/platform_device.h>
  88 +#include <bcm63xx_cpu.h>
  89 +#include <bcm63xx_dev_usb_ohci.h>
  90 +
  91 +static struct resource ohci_resources[] = {
  92 +       {
  93 +               /* start & end filled at runtime */
  94 +               .flags          = IORESOURCE_MEM,
  95 +       },
  96 +       {
  97 +               /* start filled at runtime */
  98 +               .flags          = IORESOURCE_IRQ,
  99 +       },
 100 +};
 101 +
 102 +static u64 ohci_dmamask = ~(u32)0;
 103 +
 104 +static struct platform_device bcm63xx_ohci_device = {
 105 +       .name           = "bcm63xx_ohci",
 106 +       .id             = 0,
 107 +       .num_resources  = ARRAY_SIZE(ohci_resources),
 108 +       .resource       = ohci_resources,
 109 +       .dev            = {
 110 +               .dma_mask               = &ohci_dmamask,
 111 +               .coherent_dma_mask      = 0xffffffff,
 112 +       },
 113 +};
 114 +
 115 +int __init bcm63xx_ohci_register(void)
 116 +{
 117 +       if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358())
 118 +               return 0;
 119 +
 120 +       ohci_resources[0].start = bcm63xx_regset_address(RSET_OHCI0);
 121 +       ohci_resources[0].end = ohci_resources[0].start;
 122 +       ohci_resources[0].end += RSET_OHCI_SIZE - 1;
 123 +       ohci_resources[1].start = bcm63xx_get_irq_number(IRQ_OHCI0);
 124 +       return platform_device_register(&bcm63xx_ohci_device);
 125 +}
 126 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
 127 new file mode 100644
 128 index 0000000..518a04d
 129 --- /dev/null
 130 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ohci.h
 131 @@ -0,0 +1,6 @@
 132 +#ifndef BCM63XX_DEV_USB_OHCI_H_
 133 +#define BCM63XX_DEV_USB_OHCI_H_
 134 +
 135 +int bcm63xx_ohci_register(void);
 136 +
 137 +#endif /* BCM63XX_DEV_USB_OHCI_H_ */
 138 --
 139 1.6.3.3
 140
 141