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 #include <linux/usb_isp1362.h>
  38 #include <linux/pata_platform.h>
  39 #include <linux/irq.h>
  40 #include <asm/dma.h>
  41 #include <asm/bfin5xx_spi.h>
  42
  43 /*
  44  * Name the Board for the /proc/cpuinfo
  45  */
  46 char *bfin_board_name = "ADDS-BF533-EZKIT";
  47
  48 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  49 static struct platform_device rtc_device = {
  50         .name = "rtc-bfin",
  51         .id   = -1,
  52 };
  53 #endif
  54
  55 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  56 static struct platform_device bfin_fb_adv7393_device = {
  57         .name = "bfin-adv7393",
  58 };
  59 #endif
  60
  61 /*
  62  *  USB-LAN EzExtender board
  63  *  Driver needs to know address, irq and flag pin.
  64  */
  65 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  66 static struct resource smc91x_resources[] = {
  67         {
  68                 .name = "smc91x-regs",
  69                 .start = 0x20310300,
  70                 .end = 0x20310300 + 16,
  71                 .flags = IORESOURCE_MEM,
  72         }, {
  73                 .start = IRQ_PF9,
  74                 .end = IRQ_PF9,
  75                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  76         },
  77 };
  78 static struct platform_device smc91x_device = {
  79         .name = "smc91x",
  80         .id = 0,
  81         .num_resources = ARRAY_SIZE(smc91x_resources),
  82         .resource = smc91x_resources,
  83 };
  84 #endif
  85
  86 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
  87 /* all SPI peripherals info goes here */
  88
  89 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
  90 static struct mtd_partition bfin_spi_flash_partitions[] = {
  91         {
  92                 .name = "bootloader",
  93                 .size = 0x00020000,
  94                 .offset = 0,
  95                 .mask_flags = MTD_CAP_ROM
  96         }, {
  97                 .name = "kernel",
  98                 .size = 0xe0000,
  99                 .offset = 0x20000
 100         }, {
 101                 .name = "file system",
 102                 .size = 0x700000,
 103                 .offset = 0x00100000,
 104         }
 105 };
 106
 107 static struct flash_platform_data bfin_spi_flash_data = {
 108         .name = "m25p80",
 109         .parts = bfin_spi_flash_partitions,
 110         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 111         .type = "m25p64",
 112 };
 113
 114 /* SPI flash chip (m25p64) */
 115 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 116         .enable_dma = 0,         /* use dma transfer with this chip*/
 117         .bits_per_word = 8,
 118 };
 119 #endif
 120
 121 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 122 /* SPI ADC chip */
 123 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 124         .enable_dma = 1,         /* use dma transfer with this chip*/
 125         .bits_per_word = 16,
 126 };
 127 #endif
 128
 129 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 130 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 131         .enable_dma = 0,
 132         .bits_per_word = 16,
 133 };
 134 #endif
 135
 136 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 137 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 138         {
 139                 /* the modalias must be the same as spi device driver name */
 140                 .modalias = "m25p80", /* Name of spi_driver for this device */
 141                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 142                 .bus_num = 0, /* Framework bus number */
 143                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 144                 .platform_data = &bfin_spi_flash_data,
 145                 .controller_data = &spi_flash_chip_info,
 146                 .mode = SPI_MODE_3,
 147         },
 148 #endif
 149
 150 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 151         {
 152                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 153                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 154                 .bus_num = 0, /* Framework bus number */
 155                 .chip_select = 1, /* Framework chip select. */
 156                 .platform_data = NULL, /* No spi_driver specific config */
 157                 .controller_data = &spi_adc_chip_info,
 158         },
 159 #endif
 160
 161 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 162         {
 163                 .modalias = "ad1836-spi",
 164                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 165                 .bus_num = 0,
 166                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 167                 .controller_data = &ad1836_spi_chip_info,
 168         },
 169 #endif
 170 };
 171
 172 /* SPI (0) */
 173 static struct resource bfin_spi0_resource[] = {
 174         [0] = {
 175                 .start = SPI0_REGBASE,
 176                 .end   = SPI0_REGBASE + 0xFF,
 177                 .flags = IORESOURCE_MEM,
 178         },
 179         [1] = {
 180                 .start = CH_SPI,
 181                 .end   = CH_SPI,
 182                 .flags = IORESOURCE_IRQ,
 183         }
 184 };
 185
 186 /* SPI controller data */
 187 static struct bfin5xx_spi_master bfin_spi0_info = {
 188         .num_chipselect = 8,
 189         .enable_dma = 1,  /* master has the ability to do dma transfer */
 190 };
 191
 192 static struct platform_device bfin_spi0_device = {
 193         .name = "bfin-spi",
 194         .id = 0, /* Bus number */
 195         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 196         .resource = bfin_spi0_resource,
 197         .dev = {
 198                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 199         },
 200 };
 201 #endif  /* spi master and devices */
 202
 203 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 204 static struct resource bfin_uart_resources[] = {
 205         {
 206                 .start = 0xFFC00400,
 207                 .end = 0xFFC004FF,
 208                 .flags = IORESOURCE_MEM,
 209         },
 210 };
 211
 212 static struct platform_device bfin_uart_device = {
 213         .name = "bfin-uart",
 214         .id = 1,
 215         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 216         .resource = bfin_uart_resources,
 217 };
 218 #endif
 219
 220 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 221 #define PATA_INT        55
 222
 223 static struct pata_platform_info bfin_pata_platform_data = {
 224         .ioport_shift = 1,
 225         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 226 };
 227
 228 static struct resource bfin_pata_resources[] = {
 229         {
 230                 .start = 0x20314020,
 231                 .end = 0x2031403F,
 232                 .flags = IORESOURCE_MEM,
 233         },
 234         {
 235                 .start = 0x2031401C,
 236                 .end = 0x2031401F,
 237                 .flags = IORESOURCE_MEM,
 238         },
 239         {
 240                 .start = PATA_INT,
 241                 .end = PATA_INT,
 242                 .flags = IORESOURCE_IRQ,
 243         },
 244 };
 245
 246 static struct platform_device bfin_pata_device = {
 247         .name = "pata_platform",
 248         .id = -1,
 249         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 250         .resource = bfin_pata_resources,
 251         .dev = {
 252                 .platform_data = &bfin_pata_platform_data,
 253         }
 254 };
 255 #endif
 256
 257 static struct platform_device *ezkit_devices[] __initdata = {
 258 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 259         &smc91x_device,
 260 #endif
 261
 262 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 263         &bfin_spi0_device,
 264 #endif
 265
 266 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 267         &bfin_fb_adv7393_device,
 268 #endif
 269
 270 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 271         &rtc_device,
 272 #endif
 273
 274 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 275         &bfin_uart_device,
 276 #endif
 277
 278 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 279         &bfin_pata_device,
 280 #endif
 281 };
 282
 283 static int __init ezkit_init(void)
 284 {
 285         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 286         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 287 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 288         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 289 #endif
 290
 291 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 292         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 293 #endif
 294         return 0;
 295 }
 296
 297 arch_initcall(ezkit_init);