release/src-rt-6.x/linux/linux-2.6/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 <asm/irq.h>
  34 #include <asm/bfin5xx_spi.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/irq.h>
  37
  38 /*
  39  * Name the Board for the /proc/cpuinfo
  40  */
  41 char *bfin_board_name = "ADDS-BF561-EZKIT";
  42
  43 #define ISP1761_BASE       0x2C0F0000
  44 #define ISP1761_IRQ        IRQ_PF10
  45
  46 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  47 static struct resource bfin_isp1761_resources[] = {
  48         [0] = {
  49                 .name   = "isp1761-regs",
  50                 .start  = ISP1761_BASE + 0x00000000,
  51                 .end    = ISP1761_BASE + 0x000fffff,
  52                 .flags  = IORESOURCE_MEM,
  53         },
  54         [1] = {
  55                 .start  = ISP1761_IRQ,
  56                 .end    = ISP1761_IRQ,
  57                 .flags  = IORESOURCE_IRQ,
  58         },
  59 };
  60
  61 static struct platform_device bfin_isp1761_device = {
  62         .name           = "isp1761",
  63         .id             = 0,
  64         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
  65         .resource       = bfin_isp1761_resources,
  66 };
  67
  68 static struct platform_device *bfin_isp1761_devices[] = {
  69         &bfin_isp1761_device,
  70 };
  71
  72 int __init bfin_isp1761_init(void)
  73 {
  74         unsigned int num_devices=ARRAY_SIZE(bfin_isp1761_devices);
  75
  76         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
  77         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
  78
  79         return platform_add_devices(bfin_isp1761_devices, num_devices);
  80 }
  81
  82 void __exit bfin_isp1761_exit(void)
  83 {
  84         platform_device_unregister(&bfin_isp1761_device);
  85 }
  86
  87 arch_initcall(bfin_isp1761_init);
  88 #endif
  89
  90 /*
  91  *  USB-LAN EzExtender board
  92  *  Driver needs to know address, irq and flag pin.
  93  */
  94 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  95 static struct resource smc91x_resources[] = {
  96         {
  97                 .name = "smc91x-regs",
  98                 .start = 0x2C010300,
  99                 .end = 0x2C010300 + 16,
 100                 .flags = IORESOURCE_MEM,
 101         },{
 102
 103                 .start = IRQ_PF9,
 104                 .end = IRQ_PF9,
 105                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 106         },
 107 };
 108
 109 static struct platform_device smc91x_device = {
 110         .name = "smc91x",
 111         .id = 0,
 112         .num_resources = ARRAY_SIZE(smc91x_resources),
 113         .resource = smc91x_resources,
 114 };
 115 #endif
 116
 117 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 118 static struct resource bfin_uart_resources[] = {
 119         {
 120                 .start = 0xFFC00400,
 121                 .end = 0xFFC004FF,
 122                 .flags = IORESOURCE_MEM,
 123         },
 124 };
 125
 126 static struct platform_device bfin_uart_device = {
 127         .name = "bfin-uart",
 128         .id = 1,
 129         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 130         .resource = bfin_uart_resources,
 131 };
 132 #endif
 133
 134 #ifdef CONFIG_SPI_BFIN
 135 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 136         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 137 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 138         .enable_dma = 0,
 139         .bits_per_word = 16,
 140 };
 141 #endif
 142 #endif
 143
 144 /* SPI controller data */
 145 static struct bfin5xx_spi_master spi_bfin_master_info = {
 146         .num_chipselect = 8,
 147         .enable_dma = 1,  /* master has the ability to do dma transfer */
 148 };
 149
 150 static struct platform_device spi_bfin_master_device = {
 151         .name = "bfin-spi-master",
 152         .id = 1, /* Bus number */
 153         .dev = {
 154                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
 155         },
 156 };
 157
 158 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 159 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 160         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 161         {
 162                 .modalias = "ad1836-spi",
 163                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 164                 .bus_num = 1,
 165                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 166                 .controller_data = &ad1836_spi_chip_info,
 167         },
 168 #endif
 169 };
 170
 171 static struct platform_device *ezkit_devices[] __initdata = {
 172 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 173         &smc91x_device,
 174 #endif
 175 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 176         &spi_bfin_master_device,
 177 #endif
 178 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 179         &bfin_uart_device,
 180 #endif
 181 };
 182
 183 static int __init ezkit_init(void)
 184 {
 185         int ret;
 186
 187         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 188
 189         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 190         if (ret < 0)
 191                 return ret;
 192
 193 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 194         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 195         SSYNC();
 196 #endif
 197
 198         return spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 199 }
 200
 201 arch_initcall(ezkit_init);