linux/arch/blackfin/mach-bf533/boards/ip0x.c
<<
>>
Prefs
   1/*
   2 * File:         arch/blackfin/mach-bf533/ip0x.c
   3 * Based on:     arch/blackfin/mach-bf533/bf1.c
   4 * Based on:     arch/blackfin/mach-bf533/stamp.c
   5 * Author:       Ivan Danov <idanov@gmail.com>
   6 *               Modified for IP0X David Rowe
   7 *
   8 * Created:      2007
   9 * Description:  Board info file for the IP04/IP08 boards, which
  10 *               are derived from the BlackfinOne V2.0 boards.
  11 *
  12 * Modified:
  13 *               COpyright 2007 David Rowe
  14 *               Copyright 2006 Intratrade Ltd.
  15 *               Copyright 2005 National ICT Australia (NICTA)
  16 *               Copyright 2004-2006 Analog Devices Inc.
  17 *
  18 * This program is free software; you can redistribute it and/or modify
  19 * it under the terms of the GNU General Public License as published by
  20 * the Free Software Foundation; either version 2 of the License, or
  21 * (at your option) any later version.
  22 *
  23 * This program is distributed in the hope that it will be useful,
  24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26 * GNU General Public License for more details.
  27 *
  28 * You should have received a copy of the GNU General Public License
  29 * along with this program; if not, see the file COPYING, or write
  30 * to the Free Software Foundation, Inc.,
  31 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  32 */
  33
  34#include <linux/device.h>
  35#include <linux/platform_device.h>
  36#include <linux/mtd/mtd.h>
  37#include <linux/mtd/partitions.h>
  38#include <linux/spi/spi.h>
  39#include <linux/spi/flash.h>
  40#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  41#include <linux/usb/isp1362.h>
  42#endif
  43#include <asm/irq.h>
  44#include <asm/bfin5xx_spi.h>
  45
  46/*
  47 * Name the Board for the /proc/cpuinfo
  48 */
  49const char bfin_board_name[] = "IP04/IP08";
  50
  51/*
  52 *  Driver needs to know address, irq and flag pin.
  53 */
  54#if defined(CONFIG_BFIN532_IP0X)
  55#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
  56
  57#include <linux/dm9000.h>
  58
  59static struct resource dm9000_resource1[] = {
  60        {
  61                .start = 0x20100000,
  62                .end   = 0x20100000 + 1,
  63                .flags = IORESOURCE_MEM
  64        },{
  65                .start = 0x20100000 + 2,
  66                .end   = 0x20100000 + 3,
  67                .flags = IORESOURCE_MEM
  68        },{
  69                .start = IRQ_PF15,
  70                .end   = IRQ_PF15,
  71                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  72        }
  73};
  74
  75static struct resource dm9000_resource2[] = {
  76        {
  77                .start = 0x20200000,
  78                .end   = 0x20200000 + 1,
  79                .flags = IORESOURCE_MEM
  80        },{
  81                .start = 0x20200000 + 2,
  82                .end   = 0x20200000 + 3,
  83                .flags = IORESOURCE_MEM
  84        },{
  85                .start = IRQ_PF14,
  86                .end   = IRQ_PF14,
  87                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  88        }
  89};
  90
  91/*
  92* for the moment we limit ourselves to 16bit IO until some
  93* better IO routines can be written and tested
  94*/
  95static struct dm9000_plat_data dm9000_platdata1 = {
  96        .flags          = DM9000_PLATF_16BITONLY,
  97};
  98
  99static struct platform_device dm9000_device1 = {
 100        .name           = "dm9000",
 101        .id             = 0,
 102        .num_resources  = ARRAY_SIZE(dm9000_resource1),
 103        .resource       = dm9000_resource1,
 104        .dev            = {
 105                .platform_data = &dm9000_platdata1,
 106        }
 107};
 108
 109static struct dm9000_plat_data dm9000_platdata2 = {
 110        .flags          = DM9000_PLATF_16BITONLY,
 111};
 112
 113static struct platform_device dm9000_device2 = {
 114        .name           = "dm9000",
 115        .id             = 1,
 116        .num_resources  = ARRAY_SIZE(dm9000_resource2),
 117        .resource       = dm9000_resource2,
 118        .dev            = {
 119                .platform_data = &dm9000_platdata2,
 120        }
 121};
 122
 123#endif
 124#endif
 125
 126
 127#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 128/* all SPI peripherals info goes here */
 129
 130#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 131static struct bfin5xx_spi_chip spi_mmc_chip_info = {
 132/*
 133 * CPOL (Clock Polarity)
 134 *  0 - Active high SCK
 135 *  1 - Active low SCK
 136 *  CPHA (Clock Phase) Selects transfer format and operation mode
 137 *  0 - SCLK toggles from middle of the first data bit, slave select
 138 *      pins controlled by hardware.
 139 *  1 - SCLK toggles from beginning of first data bit, slave select
 140 *      pins controller by user software.
 141 *      .ctl_reg = 0x1c00,               *  CPOL=1,CPHA=1,Sandisk 1G work
 142 * NO NO        .ctl_reg = 0x1800,               *  CPOL=1,CPHA=0
 143 * NO NO        .ctl_reg = 0x1400,               *  CPOL=0,CPHA=1
 144 */
 145        .ctl_reg = 0x1000,              /* CPOL=0,CPHA=0,Sandisk 1G work */
 146        .enable_dma = 0,                /* if 1 - block!!! */
 147        .bits_per_word = 8,
 148        .cs_change_per_word = 0,
 149};
 150#endif
 151
 152/* Notice: for blackfin, the speed_hz is the value of register
 153 * SPI_BAUD, not the real baudrate */
 154static struct spi_board_info bfin_spi_board_info[] __initdata = {
 155#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 156        {
 157                .modalias = "spi_mmc",
 158                .max_speed_hz = 2,
 159                .bus_num = 1,
 160                .chip_select = CONFIG_SPI_MMC_CS_CHAN,
 161                .platform_data = NULL,
 162                .controller_data = &spi_mmc_chip_info,
 163        },
 164#endif
 165};
 166
 167/* SPI controller data */
 168static struct bfin5xx_spi_master spi_bfin_master_info = {
 169        .num_chipselect = 8,
 170        .enable_dma = 1,  /* master has the ability to do dma transfer */
 171};
 172
 173static struct platform_device spi_bfin_master_device = {
 174        .name = "bfin-spi-master",
 175        .id = 1, /* Bus number */
 176        .dev = {
 177                .platform_data = &spi_bfin_master_info, /* Passed to driver */
 178        },
 179};
 180#endif  /* spi master and devices */
 181
 182#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 183static struct resource bfin_uart_resources[] = {
 184        {
 185                .start = 0xFFC00400,
 186                .end = 0xFFC004FF,
 187                .flags = IORESOURCE_MEM,
 188        },
 189};
 190
 191static struct platform_device bfin_uart_device = {
 192        .name = "bfin-uart",
 193        .id = 1,
 194        .num_resources = ARRAY_SIZE(bfin_uart_resources),
 195        .resource = bfin_uart_resources,
 196};
 197#endif
 198
 199#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 200static struct resource bfin_sir_resources[] = {
 201#ifdef CONFIG_BFIN_SIR0
 202        {
 203                .start = 0xFFC00400,
 204                .end = 0xFFC004FF,
 205                .flags = IORESOURCE_MEM,
 206        },
 207#endif
 208};
 209
 210static struct platform_device bfin_sir_device = {
 211        .name = "bfin_sir",
 212        .id = 0,
 213        .num_resources = ARRAY_SIZE(bfin_sir_resources),
 214        .resource = bfin_sir_resources,
 215};
 216#endif
 217
 218#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 219static struct resource isp1362_hcd_resources[] = {
 220        {
 221                .start = 0x20300000,
 222                .end   = 0x20300000 + 1,
 223                .flags = IORESOURCE_MEM,
 224        },{
 225                .start = 0x20300000 + 2,
 226                .end   = 0x20300000 + 3,
 227                .flags = IORESOURCE_MEM,
 228        },{
 229                .start = IRQ_PF11,
 230                .end   = IRQ_PF11,
 231                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 232        },
 233};
 234
 235static struct isp1362_platform_data isp1362_priv = {
 236        .sel15Kres = 1,
 237        .clknotstop = 0,
 238        .oc_enable = 0,         /* external OC */
 239        .int_act_high = 0,
 240        .int_edge_triggered = 0,
 241        .remote_wakeup_connected = 0,
 242        .no_power_switching = 1,
 243        .power_switching_mode = 0,
 244};
 245
 246static struct platform_device isp1362_hcd_device = {
 247        .name = "isp1362-hcd",
 248        .id = 0,
 249        .dev = {
 250                .platform_data = &isp1362_priv,
 251        },
 252        .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 253        .resource = isp1362_hcd_resources,
 254};
 255#endif
 256
 257
 258static struct platform_device *ip0x_devices[] __initdata = {
 259#if defined(CONFIG_BFIN532_IP0X)
 260#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 261        &dm9000_device1,
 262        &dm9000_device2,
 263#endif
 264#endif
 265
 266#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 267        &spi_bfin_master_device,
 268#endif
 269
 270#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 271        &bfin_uart_device,
 272#endif
 273
 274#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 275        &bfin_sir_device,
 276#endif
 277
 278#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 279        &isp1362_hcd_device,
 280#endif
 281};
 282
 283static int __init ip0x_init(void)
 284{
 285        int i;
 286
 287        printk(KERN_INFO "%s(): registering device resources\n", __func__);
 288        platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
 289
 290#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 291        for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
 292                int j = 1 << bfin_spi_board_info[i].chip_select;
 293                /* set spi cs to 1 */
 294                bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
 295                bfin_write_FIO_FLAG_S(j);
 296        }
 297        spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 298#endif
 299
 300        return 0;
 301}
 302
 303arch_initcall(ip0x_init);
 304