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
  39 /*
  40  * Name the Board for the /proc/cpuinfo
  41  */
  42 const char bfin_board_name[] = "ADDS-BF561-EZKIT";
  43
  44 #define ISP1761_BASE       0x2C0F0000
  45 #define ISP1761_IRQ        IRQ_PF10
  46
  47 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  48 static struct resource bfin_isp1761_resources[] = {
  49         {
  50                 .name   = "isp1761-regs",
  51                 .start  = ISP1761_BASE + 0x00000000,
  52                 .end    = ISP1761_BASE + 0x000fffff,
  53                 .flags  = IORESOURCE_MEM,
  54         },
  55         {
  56                 .start  = ISP1761_IRQ,
  57                 .end    = ISP1761_IRQ,
  58                 .flags  = IORESOURCE_IRQ,
  59         },
  60 };
  61
  62 static struct platform_device bfin_isp1761_device = {
  63         .name           = "isp1761",
  64         .id             = 0,
  65         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
  66         .resource       = bfin_isp1761_resources,
  67 };
  68
  69 static struct platform_device *bfin_isp1761_devices[] = {
  70         &bfin_isp1761_device,
  71 };
  72
  73 int __init bfin_isp1761_init(void)
  74 {
  75         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
  76
  77         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
  78         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
  79
  80         return platform_add_devices(bfin_isp1761_devices, num_devices);
  81 }
  82
  83 void __exit bfin_isp1761_exit(void)
  84 {
  85         platform_device_unregister(&bfin_isp1761_device);
  86 }
  87
  88 arch_initcall(bfin_isp1761_init);
  89 #endif
  90
  91 /*
  92  *  USB-LAN EzExtender board
  93  *  Driver needs to know address, irq and flag pin.
  94  */
  95 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  96 static struct resource smc91x_resources[] = {
  97         {
  98                 .name = "smc91x-regs",
  99                 .start = 0x2C010300,
 100                 .end = 0x2C010300 + 16,
 101                 .flags = IORESOURCE_MEM,
 102         }, {
 103
 104                 .start = IRQ_PF9,
 105                 .end = IRQ_PF9,
 106                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 107         },
 108 };
 109
 110 static struct platform_device smc91x_device = {
 111         .name = "smc91x",
 112         .id = 0,
 113         .num_resources = ARRAY_SIZE(smc91x_resources),
 114         .resource = smc91x_resources,
 115 };
 116 #endif
 117
 118 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 119 static struct resource bfin_uart_resources[] = {
 120         {
 121                 .start = 0xFFC00400,
 122                 .end = 0xFFC004FF,
 123                 .flags = IORESOURCE_MEM,
 124         },
 125 };
 126
 127 static struct platform_device bfin_uart_device = {
 128         .name = "bfin-uart",
 129         .id = 1,
 130         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 131         .resource = bfin_uart_resources,
 132 };
 133 #endif
 134
 135 #ifdef CONFIG_SPI_BFIN
 136 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 137         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 138 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 139         .enable_dma = 0,
 140         .bits_per_word = 16,
 141 };
 142 #endif
 143 #endif
 144
 145 /* SPI (0) */
 146 static struct resource bfin_spi0_resource[] = {
 147         [0] = {
 148                 .start = SPI0_REGBASE,
 149                 .end   = SPI0_REGBASE + 0xFF,
 150                 .flags = IORESOURCE_MEM,
 151         },
 152         [1] = {
 153                 .start = CH_SPI,
 154                 .end   = CH_SPI,
 155                 .flags = IORESOURCE_IRQ,
 156         }
 157 };
 158
 159 /* SPI controller data */
 160 static struct bfin5xx_spi_master bfin_spi0_info = {
 161         .num_chipselect = 8,
 162         .enable_dma = 1,  /* master has the ability to do dma transfer */
 163 };
 164
 165 static struct platform_device bfin_spi0_device = {
 166         .name = "bfin-spi",
 167         .id = 0, /* Bus number */
 168         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 169         .resource = bfin_spi0_resource,
 170         .dev = {
 171                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 172         },
 173 };
 174
 175 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 176 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 177         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 178         {
 179                 .modalias = "ad1836-spi",
 180                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 181                 .bus_num = 0,
 182                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 183                 .controller_data = &ad1836_spi_chip_info,
 184         },
 185 #endif
 186 };
 187
 188 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 189 #define PATA_INT        55
 190
 191 static struct pata_platform_info bfin_pata_platform_data = {
 192         .ioport_shift = 1,
 193         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 194 };
 195
 196 static struct resource bfin_pata_resources[] = {
 197         {
 198                 .start = 0x20314020,
 199                 .end = 0x2031403F,
 200                 .flags = IORESOURCE_MEM,
 201         },
 202         {
 203                 .start = 0x2031401C,
 204                 .end = 0x2031401F,
 205                 .flags = IORESOURCE_MEM,
 206         },
 207         {
 208                 .start = PATA_INT,
 209                 .end = PATA_INT,
 210                 .flags = IORESOURCE_IRQ,
 211         },
 212 };
 213
 214 static struct platform_device bfin_pata_device = {
 215         .name = "pata_platform",
 216         .id = -1,
 217         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 218         .resource = bfin_pata_resources,
 219         .dev = {
 220                 .platform_data = &bfin_pata_platform_data,
 221         }
 222 };
 223 #endif
 224
 225 static struct platform_device *ezkit_devices[] __initdata = {
 226 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 227         &smc91x_device,
 228 #endif
 229 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 230         &bfin_spi0_device,
 231 #endif
 232 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 233         &bfin_uart_device,
 234 #endif
 235 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 236         &bfin_pata_device,
 237 #endif
 238 };
 239
 240 static int __init ezkit_init(void)
 241 {
 242         int ret;
 243
 244         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 245
 246         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 247         if (ret < 0)
 248                 return ret;
 249
 250 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 251         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 252         SSYNC();
 253 #endif
 254
 255 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 256         spi_register_board_info(bfin_spi_board_info,
 257                                 ARRAY_SIZE(bfin_spi_board_info));
 258 #endif
 259
 260 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 261         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 262 #endif
 263         return 0;
 264 }
 265
 266 arch_initcall(ezkit_init);