arch/blackfin/mach-bf533/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf533/ezkit.c
   3  * Based on:     Original Work
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:      2005
   7  * Description:
   8  *
   9  * Modified:     Robin Getz <rgetz@blackfin.uclinux.org> - Named the boards
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2006 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/flash.h>
  37 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  38 #include <linux/usb/isp1362.h>
  39 #endif
  40 #include <linux/ata_platform.h>
  41 #include <linux/irq.h>
  42 #include <asm/dma.h>
  43 #include <asm/bfin5xx_spi.h>
  44 #include <asm/portmux.h>
  45
  46 /*
  47  * Name the Board for the /proc/cpuinfo
  48  */
  49 const char bfin_board_name[] = "ADDS-BF533-EZKIT";
  50
  51 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  52 static struct platform_device rtc_device = {
  53         .name = "rtc-bfin",
  54         .id   = -1,
  55 };
  56 #endif
  57
  58 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  59 static struct platform_device bfin_fb_adv7393_device = {
  60         .name = "bfin-adv7393",
  61 };
  62 #endif
  63
  64 /*
  65  *  USB-LAN EzExtender board
  66  *  Driver needs to know address, irq and flag pin.
  67  */
  68 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  69 static struct resource smc91x_resources[] = {
  70         {
  71                 .name = "smc91x-regs",
  72                 .start = 0x20310300,
  73                 .end = 0x20310300 + 16,
  74                 .flags = IORESOURCE_MEM,
  75         }, {
  76                 .start = IRQ_PF9,
  77                 .end = IRQ_PF9,
  78                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  79         },
  80 };
  81 static struct platform_device smc91x_device = {
  82         .name = "smc91x",
  83         .id = 0,
  84         .num_resources = ARRAY_SIZE(smc91x_resources),
  85         .resource = smc91x_resources,
  86 };
  87 #endif
  88
  89 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
  90 /* all SPI peripherals info goes here */
  91
  92 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
  93 static struct mtd_partition bfin_spi_flash_partitions[] = {
  94         {
  95                 .name = "bootloader",
  96                 .size = 0x00020000,
  97                 .offset = 0,
  98                 .mask_flags = MTD_CAP_ROM
  99         }, {
 100                 .name = "kernel",
 101                 .size = 0xe0000,
 102                 .offset = MTDPART_OFS_APPEND,
 103         }, {
 104                 .name = "file system",
 105                 .size = MTDPART_SIZ_FULL,
 106                 .offset = MTDPART_OFS_APPEND,
 107         }
 108 };
 109
 110 static struct flash_platform_data bfin_spi_flash_data = {
 111         .name = "m25p80",
 112         .parts = bfin_spi_flash_partitions,
 113         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 114         .type = "m25p64",
 115 };
 116
 117 /* SPI flash chip (m25p64) */
 118 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 119         .enable_dma = 0,         /* use dma transfer with this chip*/
 120         .bits_per_word = 8,
 121 };
 122 #endif
 123
 124 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 125 /* SPI ADC chip */
 126 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 127         .enable_dma = 1,         /* use dma transfer with this chip*/
 128         .bits_per_word = 16,
 129 };
 130 #endif
 131
 132 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 133 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 134         .enable_dma = 0,
 135         .bits_per_word = 16,
 136 };
 137 #endif
 138
 139 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 140 static struct bfin5xx_spi_chip spidev_chip_info = {
 141         .enable_dma = 0,
 142         .bits_per_word = 8,
 143 };
 144 #endif
 145
 146 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 147 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 148         {
 149                 /* the modalias must be the same as spi device driver name */
 150                 .modalias = "m25p80", /* Name of spi_driver for this device */
 151                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 152                 .bus_num = 0, /* Framework bus number */
 153                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 154                 .platform_data = &bfin_spi_flash_data,
 155                 .controller_data = &spi_flash_chip_info,
 156                 .mode = SPI_MODE_3,
 157         },
 158 #endif
 159
 160 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 161         {
 162                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 163                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 164                 .bus_num = 0, /* Framework bus number */
 165                 .chip_select = 1, /* Framework chip select. */
 166                 .platform_data = NULL, /* No spi_driver specific config */
 167                 .controller_data = &spi_adc_chip_info,
 168         },
 169 #endif
 170
 171 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 172         {
 173                 .modalias = "ad1836-spi",
 174                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 175                 .bus_num = 0,
 176                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 177                 .controller_data = &ad1836_spi_chip_info,
 178         },
 179 #endif
 180 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 181         {
 182                 .modalias = "spidev",
 183                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 184                 .bus_num = 0,
 185                 .chip_select = 1,
 186                 .controller_data = &spidev_chip_info,
 187         },
 188 #endif
 189 };
 190
 191 /* SPI (0) */
 192 static struct resource bfin_spi0_resource[] = {
 193         [0] = {
 194                 .start = SPI0_REGBASE,
 195                 .end   = SPI0_REGBASE + 0xFF,
 196                 .flags = IORESOURCE_MEM,
 197         },
 198         [1] = {
 199                 .start = CH_SPI,
 200                 .end   = CH_SPI,
 201                 .flags = IORESOURCE_IRQ,
 202         }
 203 };
 204
 205 /* SPI controller data */
 206 static struct bfin5xx_spi_master bfin_spi0_info = {
 207         .num_chipselect = 8,
 208         .enable_dma = 1,  /* master has the ability to do dma transfer */
 209         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 210 };
 211
 212 static struct platform_device bfin_spi0_device = {
 213         .name = "bfin-spi",
 214         .id = 0, /* Bus number */
 215         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 216         .resource = bfin_spi0_resource,
 217         .dev = {
 218                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 219         },
 220 };
 221 #endif  /* spi master and devices */
 222
 223 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 224 static struct resource bfin_uart_resources[] = {
 225         {
 226                 .start = 0xFFC00400,
 227                 .end = 0xFFC004FF,
 228                 .flags = IORESOURCE_MEM,
 229         },
 230 };
 231
 232 static struct platform_device bfin_uart_device = {
 233         .name = "bfin-uart",
 234         .id = 1,
 235         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 236         .resource = bfin_uart_resources,
 237 };
 238 #endif
 239
 240 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 241 #define PATA_INT        55
 242
 243 static struct pata_platform_info bfin_pata_platform_data = {
 244         .ioport_shift = 1,
 245         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 246 };
 247
 248 static struct resource bfin_pata_resources[] = {
 249         {
 250                 .start = 0x20314020,
 251                 .end = 0x2031403F,
 252                 .flags = IORESOURCE_MEM,
 253         },
 254         {
 255                 .start = 0x2031401C,
 256                 .end = 0x2031401F,
 257                 .flags = IORESOURCE_MEM,
 258         },
 259         {
 260                 .start = PATA_INT,
 261                 .end = PATA_INT,
 262                 .flags = IORESOURCE_IRQ,
 263         },
 264 };
 265
 266 static struct platform_device bfin_pata_device = {
 267         .name = "pata_platform",
 268         .id = -1,
 269         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 270         .resource = bfin_pata_resources,
 271         .dev = {
 272                 .platform_data = &bfin_pata_platform_data,
 273         }
 274 };
 275 #endif
 276
 277 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 278 #include <linux/input.h>
 279 #include <linux/gpio_keys.h>
 280
 281 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 282         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 283         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 284         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 285         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 286 };
 287
 288 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 289         .buttons        = bfin_gpio_keys_table,
 290         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 291 };
 292
 293 static struct platform_device bfin_device_gpiokeys = {
 294         .name      = "gpio-keys",
 295         .dev = {
 296                 .platform_data = &bfin_gpio_keys_data,
 297         },
 298 };
 299 #endif
 300
 301 static struct resource bfin_gpios_resources = {
 302         .start = 0,
 303         .end   = MAX_BLACKFIN_GPIOS - 1,
 304         .flags = IORESOURCE_IRQ,
 305 };
 306
 307 static struct platform_device bfin_gpios_device = {
 308         .name = "simple-gpio",
 309         .id = -1,
 310         .num_resources = 1,
 311         .resource = &bfin_gpios_resources,
 312 };
 313
 314 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 315 #include <linux/i2c-gpio.h>
 316
 317 static struct i2c_gpio_platform_data i2c_gpio_data = {
 318         .sda_pin                = 1,
 319         .scl_pin                = 0,
 320         .sda_is_open_drain      = 0,
 321         .scl_is_open_drain      = 0,
 322         .udelay                 = 40,
 323 };
 324
 325 static struct platform_device i2c_gpio_device = {
 326         .name           = "i2c-gpio",
 327         .id             = 0,
 328         .dev            = {
 329                 .platform_data  = &i2c_gpio_data,
 330         },
 331 };
 332 #endif
 333
 334 static struct platform_device *ezkit_devices[] __initdata = {
 335 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 336         &smc91x_device,
 337 #endif
 338
 339 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 340         &bfin_spi0_device,
 341 #endif
 342
 343 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 344         &bfin_fb_adv7393_device,
 345 #endif
 346
 347 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 348         &rtc_device,
 349 #endif
 350
 351 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 352         &bfin_uart_device,
 353 #endif
 354
 355 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 356         &bfin_pata_device,
 357 #endif
 358
 359 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 360         &bfin_device_gpiokeys,
 361 #endif
 362
 363 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 364         &i2c_gpio_device,
 365 #endif
 366
 367         &bfin_gpios_device,
 368 };
 369
 370 static int __init ezkit_init(void)
 371 {
 372         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 373         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 374 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 375         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 376 #endif
 377
 378 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 379         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 380 #endif
 381         return 0;
 382 }
 383
 384 arch_initcall(ezkit_init);