SAFE public projects git trees. - safe/jmp/linux-2.6/blob - arch/blackfin/mach-bf533/boards/ip0x.c

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *                2007 David Rowe
   4  *                2006 Intratrade Ltd.
   5  *                     Ivan Danov <idanov@gmail.com>
   6  *                2005 National ICT Australia (NICTA)
   7  *                     Aidan Williams <aidan@nicta.com.au>
   8  *
   9  * Licensed under the GPL-2 or later.
  10  */
  11
  12 #include <linux/device.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/spi/flash.h>
  18 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  19 #include <linux/usb/isp1362.h>
  20 #endif
  21 #include <asm/irq.h>
  22 #include <asm/bfin5xx_spi.h>
  23
  24 /*
  25  * Name the Board for the /proc/cpuinfo
  26  */
  27 const char bfin_board_name[] = "IP04/IP08";
  28
  29 /*
  30  *  Driver needs to know address, irq and flag pin.
  31  */
  32 #if defined(CONFIG_BFIN532_IP0X)
  33 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
  34
  35 #include <linux/dm9000.h>
  36
  37 static struct resource dm9000_resource1[] = {
  38         {
  39                 .start = 0x20100000,
  40                 .end   = 0x20100000 + 1,
  41                 .flags = IORESOURCE_MEM
  42         },{
  43                 .start = 0x20100000 + 2,
  44                 .end   = 0x20100000 + 3,
  45                 .flags = IORESOURCE_MEM
  46         },{
  47                 .start = IRQ_PF15,
  48                 .end   = IRQ_PF15,
  49                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  50         }
  51 };
  52
  53 static struct resource dm9000_resource2[] = {
  54         {
  55                 .start = 0x20200000,
  56                 .end   = 0x20200000 + 1,
  57                 .flags = IORESOURCE_MEM
  58         },{
  59                 .start = 0x20200000 + 2,
  60                 .end   = 0x20200000 + 3,
  61                 .flags = IORESOURCE_MEM
  62         },{
  63                 .start = IRQ_PF14,
  64                 .end   = IRQ_PF14,
  65                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  66         }
  67 };
  68
  69 /*
  70 * for the moment we limit ourselves to 16bit IO until some
  71 * better IO routines can be written and tested
  72 */
  73 static struct dm9000_plat_data dm9000_platdata1 = {
  74         .flags          = DM9000_PLATF_16BITONLY,
  75 };
  76
  77 static struct platform_device dm9000_device1 = {
  78         .name           = "dm9000",
  79         .id             = 0,
  80         .num_resources  = ARRAY_SIZE(dm9000_resource1),
  81         .resource       = dm9000_resource1,
  82         .dev            = {
  83                 .platform_data = &dm9000_platdata1,
  84         }
  85 };
  86
  87 static struct dm9000_plat_data dm9000_platdata2 = {
  88         .flags          = DM9000_PLATF_16BITONLY,
  89 };
  90
  91 static struct platform_device dm9000_device2 = {
  92         .name           = "dm9000",
  93         .id             = 1,
  94         .num_resources  = ARRAY_SIZE(dm9000_resource2),
  95         .resource       = dm9000_resource2,
  96         .dev            = {
  97                 .platform_data = &dm9000_platdata2,
  98         }
  99 };
 100
 101 #endif
 102 #endif
 103
 104
 105 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 106 /* all SPI peripherals info goes here */
 107
 108 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 109 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 110 /*
 111  * CPOL (Clock Polarity)
 112  *  0 - Active high SCK
 113  *  1 - Active low SCK
 114  *  CPHA (Clock Phase) Selects transfer format and operation mode
 115  *  0 - SCLK toggles from middle of the first data bit, slave select
 116  *      pins controlled by hardware.
 117  *  1 - SCLK toggles from beginning of first data bit, slave select
 118  *      pins controller by user software.
 119  *      .ctl_reg = 0x1c00,               *  CPOL=1,CPHA=1,Sandisk 1G work
 120  * NO NO        .ctl_reg = 0x1800,               *  CPOL=1,CPHA=0
 121  * NO NO        .ctl_reg = 0x1400,               *  CPOL=0,CPHA=1
 122  */
 123         .ctl_reg = 0x1000,              /* CPOL=0,CPHA=0,Sandisk 1G work */
 124         .enable_dma = 0,                /* if 1 - block!!! */
 125         .bits_per_word = 8,
 126         .cs_change_per_word = 0,
 127 };
 128 #endif
 129
 130 /* Notice: for blackfin, the speed_hz is the value of register
 131  * SPI_BAUD, not the real baudrate */
 132 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 133 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 134         {
 135                 .modalias = "mmc_spi",
 136                 .max_speed_hz = 2,
 137                 .bus_num = 1,
 138                 .chip_select = 5,
 139                 .controller_data = &mmc_spi_chip_info,
 140         },
 141 #endif
 142 };
 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 #endif  /* spi master and devices */
 158
 159 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 160 static struct resource bfin_uart_resources[] = {
 161         {
 162                 .start = 0xFFC00400,
 163                 .end = 0xFFC004FF,
 164                 .flags = IORESOURCE_MEM,
 165         },
 166 };
 167
 168 static struct platform_device bfin_uart_device = {
 169         .name = "bfin-uart",
 170         .id = 1,
 171         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 172         .resource = bfin_uart_resources,
 173 };
 174 #endif
 175
 176 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 177 #ifdef CONFIG_BFIN_SIR0
 178 static struct resource bfin_sir0_resources[] = {
 179         {
 180                 .start = 0xFFC00400,
 181                 .end = 0xFFC004FF,
 182                 .flags = IORESOURCE_MEM,
 183         },
 184         {
 185                 .start = IRQ_UART0_RX,
 186                 .end = IRQ_UART0_RX+1,
 187                 .flags = IORESOURCE_IRQ,
 188         },
 189         {
 190                 .start = CH_UART0_RX,
 191                 .end = CH_UART0_RX+1,
 192                 .flags = IORESOURCE_DMA,
 193         },
 194 };
 195
 196 static struct platform_device bfin_sir0_device = {
 197         .name = "bfin_sir",
 198         .id = 0,
 199         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 200         .resource = bfin_sir0_resources,
 201 };
 202 #endif
 203 #endif
 204
 205 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 206 static struct resource isp1362_hcd_resources[] = {
 207         {
 208                 .start = 0x20300000,
 209                 .end   = 0x20300000 + 1,
 210                 .flags = IORESOURCE_MEM,
 211         },{
 212                 .start = 0x20300000 + 2,
 213                 .end   = 0x20300000 + 3,
 214                 .flags = IORESOURCE_MEM,
 215         },{
 216                 .start = IRQ_PF11,
 217                 .end   = IRQ_PF11,
 218                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 219         },
 220 };
 221
 222 static struct isp1362_platform_data isp1362_priv = {
 223         .sel15Kres = 1,
 224         .clknotstop = 0,
 225         .oc_enable = 0,         /* external OC */
 226         .int_act_high = 0,
 227         .int_edge_triggered = 0,
 228         .remote_wakeup_connected = 0,
 229         .no_power_switching = 1,
 230         .power_switching_mode = 0,
 231 };
 232
 233 static struct platform_device isp1362_hcd_device = {
 234         .name = "isp1362-hcd",
 235         .id = 0,
 236         .dev = {
 237                 .platform_data = &isp1362_priv,
 238         },
 239         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 240         .resource = isp1362_hcd_resources,
 241 };
 242 #endif
 243
 244
 245 static struct platform_device *ip0x_devices[] __initdata = {
 246 #if defined(CONFIG_BFIN532_IP0X)
 247 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 248         &dm9000_device1,
 249         &dm9000_device2,
 250 #endif
 251 #endif
 252
 253 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 254         &spi_bfin_master_device,
 255 #endif
 256
 257 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 258         &bfin_uart_device,
 259 #endif
 260
 261 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 262 #ifdef CONFIG_BFIN_SIR0
 263         &bfin_sir0_device,
 264 #endif
 265 #endif
 266
 267 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 268         &isp1362_hcd_device,
 269 #endif
 270 };
 271
 272 static int __init ip0x_init(void)
 273 {
 274         int i;
 275
 276         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 277         platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
 278
 279 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 280         for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
 281                 int j = 1 << bfin_spi_board_info[i].chip_select;
 282                 /* set spi cs to 1 */
 283                 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
 284                 bfin_write_FIO_FLAG_S(j);
 285         }
 286         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 287 #endif
 288
 289         return 0;
 290 }
 291
 292 arch_initcall(ip0x_init);