arch/blackfin/mach-bf561/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf561/ezkit.c
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #include <linux/device.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/irq.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/pata_platform.h>
  36 #include <asm/dma.h>
  37 #include <asm/bfin5xx_spi.h>
  38 #include <asm/portmux.h>
  39
  40 /*
  41  * Name the Board for the /proc/cpuinfo
  42  */
  43 const char bfin_board_name[] = "ADDS-BF561-EZKIT";
  44
  45 #define ISP1761_BASE       0x2C0F0000
  46 #define ISP1761_IRQ        IRQ_PF10
  47
  48 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  49 static struct resource bfin_isp1761_resources[] = {
  50         {
  51                 .name   = "isp1761-regs",
  52                 .start  = ISP1761_BASE + 0x00000000,
  53                 .end    = ISP1761_BASE + 0x000fffff,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         {
  57                 .start  = ISP1761_IRQ,
  58                 .end    = ISP1761_IRQ,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct platform_device bfin_isp1761_device = {
  64         .name           = "isp1761",
  65         .id             = 0,
  66         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
  67         .resource       = bfin_isp1761_resources,
  68 };
  69
  70 static struct platform_device *bfin_isp1761_devices[] = {
  71         &bfin_isp1761_device,
  72 };
  73
  74 int __init bfin_isp1761_init(void)
  75 {
  76         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
  77
  78         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
  79         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
  80
  81         return platform_add_devices(bfin_isp1761_devices, num_devices);
  82 }
  83
  84 void __exit bfin_isp1761_exit(void)
  85 {
  86         platform_device_unregister(&bfin_isp1761_device);
  87 }
  88
  89 arch_initcall(bfin_isp1761_init);
  90 #endif
  91
  92 /*
  93  *  USB-LAN EzExtender board
  94  *  Driver needs to know address, irq and flag pin.
  95  */
  96 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  97 static struct resource smc91x_resources[] = {
  98         {
  99                 .name = "smc91x-regs",
 100                 .start = 0x2C010300,
 101                 .end = 0x2C010300 + 16,
 102                 .flags = IORESOURCE_MEM,
 103         }, {
 104
 105                 .start = IRQ_PF9,
 106                 .end = IRQ_PF9,
 107                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 108         },
 109 };
 110
 111 static struct platform_device smc91x_device = {
 112         .name = "smc91x",
 113         .id = 0,
 114         .num_resources = ARRAY_SIZE(smc91x_resources),
 115         .resource = smc91x_resources,
 116 };
 117 #endif
 118
 119 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 120 static struct resource ax88180_resources[] = {
 121         [0] = {
 122                 .start  = 0x2c000000,
 123                 .end    = 0x2c000000 + 0x8000,
 124                 .flags  = IORESOURCE_MEM,
 125         },
 126         [1] = {
 127                 .start  = IRQ_PF10,
 128                 .end    = IRQ_PF10,
 129                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 130         },
 131 };
 132
 133 static struct platform_device ax88180_device = {
 134         .name           = "ax88180",
 135         .id             = -1,
 136         .num_resources  = ARRAY_SIZE(ax88180_resources),
 137         .resource       = ax88180_resources,
 138 };
 139 #endif
 140
 141 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 142 static struct resource bfin_uart_resources[] = {
 143         {
 144                 .start = 0xFFC00400,
 145                 .end = 0xFFC004FF,
 146                 .flags = IORESOURCE_MEM,
 147         },
 148 };
 149
 150 static struct platform_device bfin_uart_device = {
 151         .name = "bfin-uart",
 152         .id = 1,
 153         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 154         .resource = bfin_uart_resources,
 155 };
 156 #endif
 157
 158 #ifdef CONFIG_SPI_BFIN
 159 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 160         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 161 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 162         .enable_dma = 0,
 163         .bits_per_word = 16,
 164 };
 165 #endif
 166 #endif
 167
 168 /* SPI (0) */
 169 static struct resource bfin_spi0_resource[] = {
 170         [0] = {
 171                 .start = SPI0_REGBASE,
 172                 .end   = SPI0_REGBASE + 0xFF,
 173                 .flags = IORESOURCE_MEM,
 174         },
 175         [1] = {
 176                 .start = CH_SPI,
 177                 .end   = CH_SPI,
 178                 .flags = IORESOURCE_IRQ,
 179         }
 180 };
 181
 182 /* SPI controller data */
 183 static struct bfin5xx_spi_master bfin_spi0_info = {
 184         .num_chipselect = 8,
 185         .enable_dma = 1,  /* master has the ability to do dma transfer */
 186         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 187 };
 188
 189 static struct platform_device bfin_spi0_device = {
 190         .name = "bfin-spi",
 191         .id = 0, /* Bus number */
 192         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 193         .resource = bfin_spi0_resource,
 194         .dev = {
 195                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 196         },
 197 };
 198
 199 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 200 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 201         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 202         {
 203                 .modalias = "ad1836-spi",
 204                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 205                 .bus_num = 0,
 206                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 207                 .controller_data = &ad1836_spi_chip_info,
 208         },
 209 #endif
 210 };
 211
 212 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 213 #define PATA_INT        55
 214
 215 static struct pata_platform_info bfin_pata_platform_data = {
 216         .ioport_shift = 1,
 217         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 218 };
 219
 220 static struct resource bfin_pata_resources[] = {
 221         {
 222                 .start = 0x20314020,
 223                 .end = 0x2031403F,
 224                 .flags = IORESOURCE_MEM,
 225         },
 226         {
 227                 .start = 0x2031401C,
 228                 .end = 0x2031401F,
 229                 .flags = IORESOURCE_MEM,
 230         },
 231         {
 232                 .start = PATA_INT,
 233                 .end = PATA_INT,
 234                 .flags = IORESOURCE_IRQ,
 235         },
 236 };
 237
 238 static struct platform_device bfin_pata_device = {
 239         .name = "pata_platform",
 240         .id = -1,
 241         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 242         .resource = bfin_pata_resources,
 243         .dev = {
 244                 .platform_data = &bfin_pata_platform_data,
 245         }
 246 };
 247 #endif
 248
 249 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 250 #include <linux/input.h>
 251 #include <linux/gpio_keys.h>
 252
 253 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 254         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 255         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 256         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 257         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 258 };
 259
 260 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 261         .buttons        = bfin_gpio_keys_table,
 262         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 263 };
 264
 265 static struct platform_device bfin_device_gpiokeys = {
 266         .name      = "gpio-keys",
 267         .dev = {
 268                 .platform_data = &bfin_gpio_keys_data,
 269         },
 270 };
 271 #endif
 272
 273 static struct platform_device *ezkit_devices[] __initdata = {
 274 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 275         &smc91x_device,
 276 #endif
 277
 278 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 279         &ax88180_device,
 280 #endif
 281
 282 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 283         &bfin_spi0_device,
 284 #endif
 285
 286 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 287         &bfin_uart_device,
 288 #endif
 289
 290 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 291         &bfin_pata_device,
 292 #endif
 293
 294 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 295         &bfin_device_gpiokeys,
 296 #endif
 297 };
 298
 299 static int __init ezkit_init(void)
 300 {
 301         int ret;
 302
 303         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 304
 305         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 306         if (ret < 0)
 307                 return ret;
 308
 309 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 310         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 311         SSYNC();
 312 #endif
 313
 314 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 315         spi_register_board_info(bfin_spi_board_info,
 316                                 ARRAY_SIZE(bfin_spi_board_info));
 317 #endif
 318
 319 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 320         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 321 #endif
 322         return 0;
 323 }
 324
 325 arch_initcall(ezkit_init);