target/linux/brcm63xx/patches-2.6.32/180-udc_preliminary_support.patch

   1 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
   2 +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
   3 @@ -28,6 +28,7 @@
   4  #include <bcm63xx_dev_pcmcia.h>
   5  #include <bcm63xx_dev_usb_ohci.h>
   6  #include <bcm63xx_dev_usb_ehci.h>
   7 +#include <bcm63xx_dev_usb_udc.h>
   8  #include <board_bcm963xx.h>
   9
  10  #define PFX    "board_bcm963xx: "
  11 @@ -406,6 +407,7 @@ static struct board_info __initdata boar
  12          .has_ohci0 = 1,
  13          .has_pccard = 1,
  14          .has_ehci0 = 1,
  15 +       .has_udc0                       = 1,
  16  };
  17
  18  static struct board_info __initdata board_rta1025w_16 = {
  19 @@ -950,6 +952,9 @@ int __init board_register_devices(void)
  20         if (board.has_dsp)
  21                 bcm63xx_dsp_register(&board.dsp);
  22
  23 +       if (board.has_udc0)
  24 +               bcm63xx_udc_register();
  25 +
  26         /* Generate MAC address for WLAN and
  27          * register our SPROM */
  28  #ifdef CONFIG_SSB_PCIHOST
  29 --- /dev/null
  30 +++ b/arch/mips/bcm63xx/dev-usb-udc.c
  31 @@ -0,0 +1,58 @@
  32 +/*
  33 + * Copyright (C) 2009  Henk Vergonet <Henk.Vergonet@gmail.com>
  34 + *
  35 + * This program is free software; you can redistribute it and/or
  36 + * modify it under the terms of the GNU General Public License as
  37 + * published by the Free Software Foundation; either version 2 of
  38 + * the License, or (at your option) any later version.
  39 + *
  40 + * This program is distributed in the hope that it will be useful,
  41 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  42 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  43 + * GNU General Public License for more details.
  44 + *
  45 + * You should have received a copy of the GNU General Public License
  46 + * along with this program; if not, write to the Free Software
  47 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  48 + */
  49 +#include <linux/init.h>
  50 +#include <linux/kernel.h>
  51 +#include <linux/platform_device.h>
  52 +#include <bcm63xx_cpu.h>
  53 +
  54 +static struct resource udc_resources[] = {
  55 +       {
  56 +               .start          = -1, /* filled at runtime */
  57 +               .end            = -1, /* filled at runtime */
  58 +               .flags          = IORESOURCE_MEM,
  59 +       },
  60 +       {
  61 +               .start          = -1, /* filled at runtime */
  62 +               .flags          = IORESOURCE_IRQ,
  63 +       },
  64 +};
  65 +
  66 +static u64 udc_dmamask = ~(u32)0;
  67 +
  68 +static struct platform_device bcm63xx_udc_device = {
  69 +       .name           = "bcm63xx-udc",
  70 +       .id             = 0,
  71 +       .num_resources  = ARRAY_SIZE(udc_resources),
  72 +       .resource       = udc_resources,
  73 +       .dev            = {
  74 +               .dma_mask               = &udc_dmamask,
  75 +               .coherent_dma_mask      = 0xffffffff,
  76 +       },
  77 +};
  78 +
  79 +int __init bcm63xx_udc_register(void)
  80 +{
  81 +       if (!BCMCPU_IS_6338() && !BCMCPU_IS_6345() && !BCMCPU_IS_6348())
  82 +               return 0;
  83 +
  84 +       udc_resources[0].start = bcm63xx_regset_address(RSET_UDC0);
  85 +       udc_resources[0].end = udc_resources[0].start;
  86 +       udc_resources[0].end += RSET_UDC_SIZE - 1;
  87 +       udc_resources[1].start = bcm63xx_get_irq_number(IRQ_UDC0);
  88 +       return platform_device_register(&bcm63xx_udc_device);
  89 +}
  90 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
  91 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
  92 @@ -125,7 +125,7 @@ enum bcm63xx_regs_set {
  93  #define BCM_6338_UART0_BASE            (0xfffe0300)
  94  #define BCM_6338_GPIO_BASE             (0xfffe0400)
  95  #define BCM_6338_SPI_BASE              (0xfffe0c00)
  96 -#define BCM_6338_UDC0_BASE             (0xdeadbeef)
  97 +#define BCM_6338_UDC0_BASE             (0xfffe3000)
  98  #define BCM_6338_USBDMA_BASE           (0xfffe2400)
  99  #define BCM_6338_OHCI0_BASE            (0xdeadbeef)
 100  #define BCM_6338_OHCI_PRIV_BASE                (0xfffe3000)
 101 @@ -155,7 +155,7 @@ enum bcm63xx_regs_set {
 102  #define BCM_6345_UART0_BASE            (0xfffe0300)
 103  #define BCM_6345_GPIO_BASE             (0xfffe0400)
 104  #define BCM_6345_SPI_BASE              (0xdeadbeef)
 105 -#define BCM_6345_UDC0_BASE             (0xdeadbeef)
 106 +#define BCM_6345_UDC0_BASE             (0xfffe2100)
 107  #define BCM_6345_USBDMA_BASE           (0xfffe2800)
 108  #define BCM_6345_ENET0_BASE            (0xfffe1800)
 109  #define BCM_6345_ENETDMA_BASE          (0xfffe2800)
 110 @@ -210,7 +210,7 @@ enum bcm63xx_regs_set {
 111  #define BCM_6358_UART0_BASE            (0xfffe0100)
 112  #define BCM_6358_GPIO_BASE             (0xfffe0080)
 113  #define BCM_6358_SPI_BASE              (0xdeadbeef)
 114 -#define BCM_6358_UDC0_BASE             (0xfffe0800)
 115 +#define BCM_6358_UDC0_BASE             (0xfffe0400)
 116  #define BCM_6358_OHCI0_BASE            (0xfffe1400)
 117  #define BCM_6358_OHCI_PRIV_BASE                (0xdeadbeef)
 118  #define BCM_6358_USBH_PRIV_BASE                (0xfffe1500)
 119 @@ -430,6 +430,7 @@ enum bcm63xx_irq {
 120         IRQ_TIMER = 0,
 121         IRQ_UART0,
 122         IRQ_DSL,
 123 +       IRQ_UDC0,
 124         IRQ_ENET0,
 125         IRQ_ENET1,
 126         IRQ_ENET_PHY,
 127 @@ -472,7 +473,7 @@ enum bcm63xx_irq {
 128  #define BCM_6345_UART0_IRQ             (IRQ_INTERNAL_BASE + 2)
 129  #define BCM_6345_DSL_IRQ               (IRQ_INTERNAL_BASE + 3)
 130  #define BCM_6345_ATM_IRQ               (IRQ_INTERNAL_BASE + 4)
 131 -#define BCM_6345_USB_IRQ               (IRQ_INTERNAL_BASE + 5)
 132 +#define BCM_6345_UDC0_IRQ              (IRQ_INTERNAL_BASE + 5)
 133  #define BCM_6345_ENET0_IRQ             (IRQ_INTERNAL_BASE + 8)
 134  #define BCM_6345_ENET_PHY_IRQ          (IRQ_INTERNAL_BASE + 12)
 135  #define BCM_6345_ENET0_RXDMA_IRQ       (IRQ_INTERNAL_BASE + 13 + 1)
 136 @@ -494,10 +495,17 @@ enum bcm63xx_irq {
 137  #define BCM_6348_TIMER_IRQ             (IRQ_INTERNAL_BASE + 0)
 138  #define BCM_6348_UART0_IRQ             (IRQ_INTERNAL_BASE + 2)
 139  #define BCM_6348_DSL_IRQ               (IRQ_INTERNAL_BASE + 4)
 140 +#define BCM_6348_UDC0_IRQ              (IRQ_INTERNAL_BASE + 6)
 141  #define BCM_6348_ENET1_IRQ             (IRQ_INTERNAL_BASE + 7)
 142  #define BCM_6348_ENET0_IRQ             (IRQ_INTERNAL_BASE + 8)
 143  #define BCM_6348_ENET_PHY_IRQ          (IRQ_INTERNAL_BASE + 9)
 144  #define BCM_6348_OHCI0_IRQ             (IRQ_INTERNAL_BASE + 12)
 145 +#define BCM_6348_USB_CNTL_RX_DMA_IRQ   (IRQ_INTERNAL_BASE + 14)
 146 +#define BCM_6348_USB_CNTL_TX_DMA_IRQ   (IRQ_INTERNAL_BASE + 15)
 147 +#define BCM_6348_USB_BULK_RX_DMA_IRQ   (IRQ_INTERNAL_BASE + 16)
 148 +#define BCM_6348_USB_BULK_TX_DMA_IRQ   (IRQ_INTERNAL_BASE + 17)
 149 +#define BCM_6348_USB_ISO_RX_DMA_IRQ    (IRQ_INTERNAL_BASE + 18)
 150 +#define BCM_6348_USB_ISO_TX_DMA_IRQ    (IRQ_INTERNAL_BASE + 19)
 151  #define BCM_6348_ENET0_RXDMA_IRQ       (IRQ_INTERNAL_BASE + 20)
 152  #define BCM_6348_ENET0_TXDMA_IRQ       (IRQ_INTERNAL_BASE + 21)
 153  #define BCM_6348_ENET1_RXDMA_IRQ       (IRQ_INTERNAL_BASE + 22)
 154 --- /dev/null
 155 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_udc.h
 156 @@ -0,0 +1,6 @@
 157 +#ifndef BCM63XX_DEV_USB_UDC_H_
 158 +#define BCM63XX_DEV_USB_UDC_H_
 159 +
 160 +int bcm63xx_udc_register(void);
 161 +
 162 +#endif /* BCM63XX_DEV_USB_UDC_H_ */
 163 --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
 164 +++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
 165 @@ -45,6 +45,7 @@ struct board_info {
 166         unsigned int    has_ohci0:1;
 167         unsigned int    has_ehci0:1;
 168         unsigned int    has_dsp:1;
 169 +       unsigned int    has_udc0:1;
 170
 171         /* ethernet config */
 172         struct bcm63xx_enet_platform_data enet0;
 173 --- a/arch/mips/bcm63xx/Makefile
 174 +++ b/arch/mips/bcm63xx/Makefile
 175 @@ -1,6 +1,6 @@
 176  obj-y          += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
 177                    dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \
 178 -                  dev-usb-ohci.o dev-usb-ehci.o
 179 +                  dev-usb-ohci.o dev-usb-ehci.o dev-usb-udc.o
 180  obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
 181
 182  obj-y          += boards/
 183 --- a/arch/mips/bcm63xx/clk.c
 184 +++ b/arch/mips/bcm63xx/clk.c
 185 @@ -141,6 +141,30 @@ static struct clk clk_usbh = {
 186  };
 187
 188  /*
 189 + * USB slave clock
 190 + */
 191 +static void usbs_set(struct clk *clk, int enable)
 192 +{
 193 +       u32 mask;
 194 +
 195 +       switch(bcm63xx_get_cpu_id()) {
 196 +       case BCM6338_CPU_ID:
 197 +               mask = CKCTL_6338_USBS_EN;
 198 +               break;
 199 +       case BCM6348_CPU_ID:
 200 +               mask = CKCTL_6348_USBS_EN;
 201 +               break;
 202 +       default:
 203 +               return;
 204 +       }
 205 +       bcm_hwclock_set(mask, enable);
 206 +}
 207 +
 208 +static struct clk clk_usbs = {
 209 +       .set    = usbs_set,
 210 +};
 211 +
 212 +/*
 213   * SPI clock
 214   */
 215  static void spi_set(struct clk *clk, int enable)
 216 @@ -208,6 +232,8 @@ struct clk *clk_get(struct device *dev,
 217                 return &clk_ephy;
 218         if (!strcmp(id, "usbh"))
 219                 return &clk_usbh;
 220 +       if (!strcmp(id, "usbs"))
 221 +               return &clk_usbs;
 222         if (!strcmp(id, "spi"))
 223                 return &clk_spi;
 224         if (!strcmp(id, "periph"))
 225 --- a/arch/mips/bcm63xx/Kconfig
 226 +++ b/arch/mips/bcm63xx/Kconfig
 227 @@ -7,6 +7,7 @@ config BCM63XX_CPU_6338
 228         select USB_ARCH_HAS_OHCI
 229         select USB_OHCI_BIG_ENDIAN_DESC
 230         select USB_OHCI_BIG_ENDIAN_MMIO
 231 +       select USB_ARCH_HAS_UDC
 232
 233  config BCM63XX_CPU_6345
 234         bool "support 6345 CPU"
 235 @@ -19,6 +20,7 @@ config BCM63XX_CPU_6348
 236         select USB_ARCH_HAS_OHCI
 237         select USB_OHCI_BIG_ENDIAN_DESC
 238         select USB_OHCI_BIG_ENDIAN_MMIO
 239 +       select USB_ARCH_HAS_UDC
 240
 241  config BCM63XX_CPU_6358
 242         bool "support 6358 CPU"