target/linux/cns21xx/patches-3.3/201-cns21xx-add-usb-devices.patch

   1 --- /dev/null
   2 +++ b/arch/arm/mach-cns21xx/dev-usb.c
   3 @@ -0,0 +1,71 @@
   4 +/*
   5 + *  Copyright (c) 2008 Cavium Networks
   6 + *  Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
   7 + *
   8 + *  This file is free software; you can redistribute it and/or modify
   9 + *  it under the terms of the GNU General Public License, Version 2, as
  10 + *  published by the Free Software Foundation.
  11 + */
  12 +
  13 +#include <linux/init.h>
  14 +#include <linux/irq.h>
  15 +#include <linux/dma-mapping.h>
  16 +#include <linux/platform_device.h>
  17 +
  18 +#include <mach/cns21xx.h>
  19 +
  20 +static u64 cns21xx_usb_dmamask = DMA_BIT_MASK(32);
  21 +
  22 +static struct resource cns21xx_ohci_resources[] = {
  23 +       [0] = {
  24 +               .start  = CNS21XX_OHCI_CTRL_BASE,
  25 +               .end    = CNS21XX_OHCI_CTRL_BASE + SZ_1M - 1,
  26 +               .flags  = IORESOURCE_MEM,
  27 +       },
  28 +       [1] = {
  29 +               .start  = CNS21XX_IRQ_OHCI,
  30 +               .end    = CNS21XX_IRQ_OHCI,
  31 +               .flags  = IORESOURCE_IRQ,
  32 +       },
  33 +};
  34 +
  35 +static struct platform_device cns21xx_ohci_device = {
  36 +       .name           = "cns21xx-ohci",
  37 +       .id             = -1,
  38 +       .dev = {
  39 +               .dma_mask               = &cns21xx_usb_dmamask,
  40 +               .coherent_dma_mask      = DMA_BIT_MASK(32),
  41 +       },
  42 +       .resource       = cns21xx_ohci_resources,
  43 +       .num_resources  = ARRAY_SIZE(cns21xx_ohci_resources),
  44 +};
  45 +
  46 +static struct resource cns21xx_ehci_resources[] = {
  47 +       [0] = {
  48 +               .start  = CNS21XX_EHCI_CTRL_BASE,
  49 +               .end    = CNS21XX_EHCI_CTRL_BASE + SZ_1M - 1,
  50 +               .flags  = IORESOURCE_MEM,
  51 +       },
  52 +       [1] = {
  53 +               .start  = CNS21XX_IRQ_EHCI,
  54 +               .end    = CNS21XX_IRQ_EHCI,
  55 +               .flags  = IORESOURCE_IRQ,
  56 +       },
  57 +};
  58 +
  59 +static struct platform_device cns21xx_ehci_device = {
  60 +       .name           = "cns21xx-ehci",
  61 +       .id             = -1,
  62 +       .dev            = {
  63 +               .dma_mask               = &cns21xx_usb_dmamask,
  64 +               .coherent_dma_mask      = DMA_BIT_MASK(32),
  65 +       },
  66 +       .resource       = cns21xx_ehci_resources,
  67 +       .num_resources  = ARRAY_SIZE(cns21xx_ehci_resources),
  68 +};
  69 +
  70 +void __init cns21xx_register_usb(void)
  71 +{
  72 +       platform_device_register(&cns21xx_ehci_device);
  73 +       platform_device_register(&cns21xx_ohci_device);
  74 +}
  75 --- a/arch/arm/mach-cns21xx/Kconfig
  76 +++ b/arch/arm/mach-cns21xx/Kconfig
  77 @@ -3,4 +3,7 @@ if ARCH_CNS21XX
  78  menu "Cavium Networks CNS21xx based machines"
  79  endmenu
  80
  81 +config CNS21XX_DEV_USB
  82 +       def_bool n
  83 +
  84  endif
  85 --- a/arch/arm/mach-cns21xx/Makefile
  86 +++ b/arch/arm/mach-cns21xx/Makefile
  87 @@ -6,5 +6,8 @@
  88
  89  obj-y          := core.o devices.o gpio.o irq.o mm.o time.o
  90
  91 +# devices
  92 +obj-$(CONFIG_CNS21XX_DEV_USB)          += dev-usb.o
  93 +
  94  # machine specific files
  95
  96 --- a/arch/arm/mach-cns21xx/common.h
  97 +++ b/arch/arm/mach-cns21xx/common.h
  98 @@ -19,5 +19,6 @@ extern struct sys_timer cns21xx_timer;
  99
 100  int cns21xx_register_uart0(void);
 101  int cns21xx_register_uart1(void);
 102 +int cns21xx_register_usb(void);
 103
 104  #endif /* _MACH_CNS21XX_COMMON_H */