target/linux/brcm63xx/patches-3.2/180-udc_preliminary_support.patch

   1 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
   2 +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
   3 @@ -29,6 +29,7 @@
   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 @@ -400,6 +401,8 @@ static struct board_info __initdata boar
  12         .has_ohci0                      = 1,
  13         .has_pccard                     = 1,
  14         .has_ehci0                      = 1,
  15 +
  16 +       .has_udc0                       = 1,
  17  };
  18
  19  static struct board_info __initdata board_rta1025w_16 = {
  20 @@ -911,6 +914,9 @@ int __init board_register_devices(void)
  21         if (board.has_dsp)
  22                 bcm63xx_dsp_register(&board.dsp);
  23
  24 +       if (board.has_udc0)
  25 +               bcm63xx_udc_register();
  26 +
  27         /* read base address of boot chip select (0) */
  28         val = bcm_mpi_readl(MPI_CSBASE_REG(0));
  29         val &= MPI_CSBASE_BASE_MASK;
  30 --- /dev/null
  31 +++ b/arch/mips/bcm63xx/dev-usb-udc.c
  32 @@ -0,0 +1,58 @@
  33 +/*
  34 + * Copyright (C) 2009  Henk Vergonet <Henk.Vergonet@gmail.com>
  35 + *
  36 + * This program is free software; you can redistribute it and/or
  37 + * modify it under the terms of the GNU General Public License as
  38 + * published by the Free Software Foundation; either version 2 of
  39 + * the License, or (at your option) any later version.
  40 + *
  41 + * This program is distributed in the hope that it will be useful,
  42 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  43 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  44 + * GNU General Public License for more details.
  45 + *
  46 + * You should have received a copy of the GNU General Public License
  47 + * along with this program; if not, write to the Free Software
  48 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  49 + */
  50 +#include <linux/init.h>
  51 +#include <linux/kernel.h>
  52 +#include <linux/platform_device.h>
  53 +#include <bcm63xx_cpu.h>
  54 +
  55 +static struct resource udc_resources[] = {
  56 +       {
  57 +               .start          = -1, /* filled at runtime */
  58 +               .end            = -1, /* filled at runtime */
  59 +               .flags          = IORESOURCE_MEM,
  60 +       },
  61 +       {
  62 +               .start          = -1, /* filled at runtime */
  63 +               .flags          = IORESOURCE_IRQ,
  64 +       },
  65 +};
  66 +
  67 +static u64 udc_dmamask = ~(u32)0;
  68 +
  69 +static struct platform_device bcm63xx_udc_device = {
  70 +       .name           = "bcm63xx-udc",
  71 +       .id             = 0,
  72 +       .num_resources  = ARRAY_SIZE(udc_resources),
  73 +       .resource       = udc_resources,
  74 +       .dev            = {
  75 +               .dma_mask               = &udc_dmamask,
  76 +               .coherent_dma_mask      = 0xffffffff,
  77 +       },
  78 +};
  79 +
  80 +int __init bcm63xx_udc_register(void)
  81 +{
  82 +       if (!BCMCPU_IS_6338() && !BCMCPU_IS_6345() && !BCMCPU_IS_6348())
  83 +               return 0;
  84 +
  85 +       udc_resources[0].start = bcm63xx_regset_address(RSET_UDC0);
  86 +       udc_resources[0].end = udc_resources[0].start;
  87 +       udc_resources[0].end += RSET_UDC_SIZE - 1;
  88 +       udc_resources[1].start = bcm63xx_get_irq_number(IRQ_UDC0);
  89 +       return platform_device_register(&bcm63xx_udc_device);
  90 +}
  91 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
  92 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
  93 @@ -127,7 +127,7 @@ enum bcm63xx_regs_set {
  94  #define BCM_6338_UART1_BASE            (0xdeadbeef)
  95  #define BCM_6338_GPIO_BASE             (0xfffe0400)
  96  #define BCM_6338_SPI_BASE              (0xfffe0c00)
  97 -#define BCM_6338_UDC0_BASE             (0xdeadbeef)
  98 +#define BCM_6338_UDC0_BASE             (0xfffe3000)
  99  #define BCM_6338_USBDMA_BASE           (0xfffe2400)
 100  #define BCM_6338_OHCI0_BASE            (0xdeadbeef)
 101  #define BCM_6338_OHCI_PRIV_BASE                (0xfffe3000)
 102 @@ -158,7 +158,7 @@ enum bcm63xx_regs_set {
 103  #define BCM_6345_UART1_BASE            (0xdeadbeef)
 104  #define BCM_6345_GPIO_BASE             (0xfffe0400)
 105  #define BCM_6345_SPI_BASE              (0xdeadbeef)
 106 -#define BCM_6345_UDC0_BASE             (0xdeadbeef)
 107 +#define BCM_6345_UDC0_BASE             (0xfffe2100)
 108  #define BCM_6345_USBDMA_BASE           (0xfffe2800)
 109  #define BCM_6345_ENET0_BASE            (0xfffe1800)
 110  #define BCM_6345_ENETDMA_BASE          (0xfffe2800)
 111 @@ -215,7 +215,7 @@ enum bcm63xx_regs_set {
 112  #define BCM_6358_UART1_BASE            (0xfffe0120)
 113  #define BCM_6358_GPIO_BASE             (0xfffe0080)
 114  #define BCM_6358_SPI_BASE              (0xdeadbeef)
 115 -#define BCM_6358_UDC0_BASE             (0xfffe0800)
 116 +#define BCM_6358_UDC0_BASE             (0xfffe0400)
 117  #define BCM_6358_OHCI0_BASE            (0xfffe1400)
 118  #define BCM_6358_OHCI_PRIV_BASE                (0xdeadbeef)
 119  #define BCM_6358_USBH_PRIV_BASE                (0xfffe1500)
 120 @@ -444,6 +444,7 @@ enum bcm63xx_irq {
 121         IRQ_UART0,
 122         IRQ_UART1,
 123         IRQ_DSL,
 124 +       IRQ_UDC0,
 125         IRQ_ENET0,
 126         IRQ_ENET1,
 127         IRQ_ENET_PHY,
 128 @@ -486,7 +487,7 @@ enum bcm63xx_irq {
 129  #define BCM_6345_UART0_IRQ             (IRQ_INTERNAL_BASE + 2)
 130  #define BCM_6345_DSL_IRQ               (IRQ_INTERNAL_BASE + 3)
 131  #define BCM_6345_ATM_IRQ               (IRQ_INTERNAL_BASE + 4)
 132 -#define BCM_6345_USB_IRQ               (IRQ_INTERNAL_BASE + 5)
 133 +#define BCM_6345_UDC0_IRQ              (IRQ_INTERNAL_BASE + 5)
 134  #define BCM_6345_ENET0_IRQ             (IRQ_INTERNAL_BASE + 8)
 135  #define BCM_6345_ENET_PHY_IRQ          (IRQ_INTERNAL_BASE + 12)
 136  #define BCM_6345_ENET0_RXDMA_IRQ       (IRQ_INTERNAL_BASE + 13 + 1)
 137 @@ -508,10 +509,17 @@ enum bcm63xx_irq {
 138  #define BCM_6348_TIMER_IRQ             (IRQ_INTERNAL_BASE + 0)
 139  #define BCM_6348_UART0_IRQ             (IRQ_INTERNAL_BASE + 2)
 140  #define BCM_6348_DSL_IRQ               (IRQ_INTERNAL_BASE + 4)
 141 +#define BCM_6348_UDC0_IRQ              (IRQ_INTERNAL_BASE + 6)
 142  #define BCM_6348_ENET1_IRQ             (IRQ_INTERNAL_BASE + 7)
 143  #define BCM_6348_ENET0_IRQ             (IRQ_INTERNAL_BASE + 8)
 144  #define BCM_6348_ENET_PHY_IRQ          (IRQ_INTERNAL_BASE + 9)
 145  #define BCM_6348_OHCI0_IRQ             (IRQ_INTERNAL_BASE + 12)
 146 +#define BCM_6348_USB_CNTL_RX_DMA_IRQ   (IRQ_INTERNAL_BASE + 14)
 147 +#define BCM_6348_USB_CNTL_TX_DMA_IRQ   (IRQ_INTERNAL_BASE + 15)
 148 +#define BCM_6348_USB_BULK_RX_DMA_IRQ   (IRQ_INTERNAL_BASE + 16)
 149 +#define BCM_6348_USB_BULK_TX_DMA_IRQ   (IRQ_INTERNAL_BASE + 17)
 150 +#define BCM_6348_USB_ISO_RX_DMA_IRQ    (IRQ_INTERNAL_BASE + 18)
 151 +#define BCM_6348_USB_ISO_TX_DMA_IRQ    (IRQ_INTERNAL_BASE + 19)
 152  #define BCM_6348_ENET0_RXDMA_IRQ       (IRQ_INTERNAL_BASE + 20)
 153  #define BCM_6348_ENET0_TXDMA_IRQ       (IRQ_INTERNAL_BASE + 21)
 154  #define BCM_6348_ENET1_RXDMA_IRQ       (IRQ_INTERNAL_BASE + 22)
 155 --- /dev/null
 156 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_udc.h
 157 @@ -0,0 +1,6 @@
 158 +#ifndef BCM63XX_DEV_USB_UDC_H_
 159 +#define BCM63XX_DEV_USB_UDC_H_
 160 +
 161 +int bcm63xx_udc_register(void);
 162 +
 163 +#endif /* BCM63XX_DEV_USB_UDC_H_ */
 164 --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
 165 +++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
 166 @@ -47,6 +47,7 @@ struct board_info {
 167         unsigned int    has_dsp:1;
 168         unsigned int    has_uart0:1;
 169         unsigned int    has_uart1:1;
 170 +       unsigned int    has_udc0:1;
 171
 172         /* ethernet config */
 173         struct bcm63xx_enet_platform_data enet0;
 174 --- a/arch/mips/bcm63xx/Makefile
 175 +++ b/arch/mips/bcm63xx/Makefile
 176 @@ -1,6 +1,6 @@
 177  obj-y          += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
 178                    dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \
 179 -                  dev-usb-ohci.o dev-usb-ehci.o
 180 +                  dev-usb-ohci.o dev-usb-ehci.o dev-usb-udc.o
 181  obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
 182
 183  obj-y          += boards/
 184 --- a/arch/mips/bcm63xx/clk.c
 185 +++ b/arch/mips/bcm63xx/clk.c
 186 @@ -141,6 +141,30 @@ static struct clk clk_usbh = {
 187  };
 188
 189  /*
 190 + * USB slave clock
 191 + */
 192 +static void usbs_set(struct clk *clk, int enable)
 193 +{
 194 +       u32 mask;
 195 +
 196 +       switch(bcm63xx_get_cpu_id()) {
 197 +       case BCM6338_CPU_ID:
 198 +               mask = CKCTL_6338_USBS_EN;
 199 +               break;
 200 +       case BCM6348_CPU_ID:
 201 +               mask = CKCTL_6348_USBS_EN;
 202 +               break;
 203 +       default:
 204 +               return;
 205 +       }
 206 +       bcm_hwclock_set(mask, enable);
 207 +}
 208 +
 209 +static struct clk clk_usbs = {
 210 +       .set    = usbs_set,
 211 +};
 212 +
 213 +/*
 214   * SPI clock
 215   */
 216  static void spi_set(struct clk *clk, int enable)
 217 @@ -208,6 +232,8 @@ struct clk *clk_get(struct device *dev,
 218                 return &clk_ephy;
 219         if (!strcmp(id, "usbh"))
 220                 return &clk_usbh;
 221 +       if (!strcmp(id, "usbs"))
 222 +               return &clk_usbs;
 223         if (!strcmp(id, "spi"))
 224                 return &clk_spi;
 225         if (!strcmp(id, "periph"))
 226 --- a/arch/mips/bcm63xx/Kconfig
 227 +++ b/arch/mips/bcm63xx/Kconfig
 228 @@ -7,6 +7,7 @@ config BCM63XX_CPU_6338
 229         select USB_ARCH_HAS_OHCI
 230         select USB_OHCI_BIG_ENDIAN_DESC
 231         select USB_OHCI_BIG_ENDIAN_MMIO
 232 +       select USB_ARCH_HAS_UDC
 233
 234  config BCM63XX_CPU_6345
 235         bool "support 6345 CPU"
 236 @@ -19,6 +20,7 @@ config BCM63XX_CPU_6348
 237         select USB_ARCH_HAS_OHCI
 238         select USB_OHCI_BIG_ENDIAN_DESC
 239         select USB_OHCI_BIG_ENDIAN_MMIO
 240 +       select USB_ARCH_HAS_UDC
 241
 242  config BCM63XX_CPU_6358
 243         bool "support 6358 CPU"