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_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 120 static struct resource bfin_uart_resources[] = {
 121         {
 122                 .start = 0xFFC00400,
 123                 .end = 0xFFC004FF,
 124                 .flags = IORESOURCE_MEM,
 125         },
 126 };
 127
 128 static struct platform_device bfin_uart_device = {
 129         .name = "bfin-uart",
 130         .id = 1,
 131         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 132         .resource = bfin_uart_resources,
 133 };
 134 #endif
 135
 136 #ifdef CONFIG_SPI_BFIN
 137 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 138         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 139 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 140         .enable_dma = 0,
 141         .bits_per_word = 16,
 142 };
 143 #endif
 144 #endif
 145
 146 /* SPI (0) */
 147 static struct resource bfin_spi0_resource[] = {
 148         [0] = {
 149                 .start = SPI0_REGBASE,
 150                 .end   = SPI0_REGBASE + 0xFF,
 151                 .flags = IORESOURCE_MEM,
 152         },
 153         [1] = {
 154                 .start = CH_SPI,
 155                 .end   = CH_SPI,
 156                 .flags = IORESOURCE_IRQ,
 157         }
 158 };
 159
 160 /* SPI controller data */
 161 static struct bfin5xx_spi_master bfin_spi0_info = {
 162         .num_chipselect = 8,
 163         .enable_dma = 1,  /* master has the ability to do dma transfer */
 164         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 165 };
 166
 167 static struct platform_device bfin_spi0_device = {
 168         .name = "bfin-spi",
 169         .id = 0, /* Bus number */
 170         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 171         .resource = bfin_spi0_resource,
 172         .dev = {
 173                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 174         },
 175 };
 176
 177 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 178 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 179         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 180         {
 181                 .modalias = "ad1836-spi",
 182                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 183                 .bus_num = 0,
 184                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 185                 .controller_data = &ad1836_spi_chip_info,
 186         },
 187 #endif
 188 };
 189
 190 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 191 #define PATA_INT        55
 192
 193 static struct pata_platform_info bfin_pata_platform_data = {
 194         .ioport_shift = 1,
 195         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 196 };
 197
 198 static struct resource bfin_pata_resources[] = {
 199         {
 200                 .start = 0x20314020,
 201                 .end = 0x2031403F,
 202                 .flags = IORESOURCE_MEM,
 203         },
 204         {
 205                 .start = 0x2031401C,
 206                 .end = 0x2031401F,
 207                 .flags = IORESOURCE_MEM,
 208         },
 209         {
 210                 .start = PATA_INT,
 211                 .end = PATA_INT,
 212                 .flags = IORESOURCE_IRQ,
 213         },
 214 };
 215
 216 static struct platform_device bfin_pata_device = {
 217         .name = "pata_platform",
 218         .id = -1,
 219         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 220         .resource = bfin_pata_resources,
 221         .dev = {
 222                 .platform_data = &bfin_pata_platform_data,
 223         }
 224 };
 225 #endif
 226
 227 static struct platform_device *ezkit_devices[] __initdata = {
 228 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 229         &smc91x_device,
 230 #endif
 231 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 232         &bfin_spi0_device,
 233 #endif
 234 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 235         &bfin_uart_device,
 236 #endif
 237 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 238         &bfin_pata_device,
 239 #endif
 240 };
 241
 242 static int __init ezkit_init(void)
 243 {
 244         int ret;
 245
 246         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 247
 248         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 249         if (ret < 0)
 250                 return ret;
 251
 252 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 253         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 254         SSYNC();
 255 #endif
 256
 257 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 258         spi_register_board_info(bfin_spi_board_info,
 259                                 ARRAY_SIZE(bfin_spi_board_info));
 260 #endif
 261
 262 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 263         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 264 #endif
 265         return 0;
 266 }
 267
 268 arch_initcall(ezkit_init);