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/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/portmux.h>
  25
  26 /*
  27  * Name the Board for the /proc/cpuinfo
  28  */
  29 const char bfin_board_name[] = "IP04/IP08";
  30
  31 /*
  32  *  Driver needs to know address, irq and flag pin.
  33  */
  34 #if defined(CONFIG_BFIN532_IP0X)
  35 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
  36
  37 #include <linux/dm9000.h>
  38
  39 static struct resource dm9000_resource1[] = {
  40         {
  41                 .start = 0x20100000,
  42                 .end   = 0x20100000 + 1,
  43                 .flags = IORESOURCE_MEM
  44         },{
  45                 .start = 0x20100000 + 2,
  46                 .end   = 0x20100000 + 3,
  47                 .flags = IORESOURCE_MEM
  48         },{
  49                 .start = IRQ_PF15,
  50                 .end   = IRQ_PF15,
  51                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  52         }
  53 };
  54
  55 static struct resource dm9000_resource2[] = {
  56         {
  57                 .start = 0x20200000,
  58                 .end   = 0x20200000 + 1,
  59                 .flags = IORESOURCE_MEM
  60         },{
  61                 .start = 0x20200000 + 2,
  62                 .end   = 0x20200000 + 3,
  63                 .flags = IORESOURCE_MEM
  64         },{
  65                 .start = IRQ_PF14,
  66                 .end   = IRQ_PF14,
  67                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  68         }
  69 };
  70
  71 /*
  72 * for the moment we limit ourselves to 16bit IO until some
  73 * better IO routines can be written and tested
  74 */
  75 static struct dm9000_plat_data dm9000_platdata1 = {
  76         .flags          = DM9000_PLATF_16BITONLY,
  77 };
  78
  79 static struct platform_device dm9000_device1 = {
  80         .name           = "dm9000",
  81         .id             = 0,
  82         .num_resources  = ARRAY_SIZE(dm9000_resource1),
  83         .resource       = dm9000_resource1,
  84         .dev            = {
  85                 .platform_data = &dm9000_platdata1,
  86         }
  87 };
  88
  89 static struct dm9000_plat_data dm9000_platdata2 = {
  90         .flags          = DM9000_PLATF_16BITONLY,
  91 };
  92
  93 static struct platform_device dm9000_device2 = {
  94         .name           = "dm9000",
  95         .id             = 1,
  96         .num_resources  = ARRAY_SIZE(dm9000_resource2),
  97         .resource       = dm9000_resource2,
  98         .dev            = {
  99                 .platform_data = &dm9000_platdata2,
 100         }
 101 };
 102
 103 #endif
 104 #endif
 105
 106
 107 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 108 /* all SPI peripherals info goes here */
 109
 110 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 111 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 112         .enable_dma = 0,                /* if 1 - block!!! */
 113         .bits_per_word = 8,
 114 };
 115 #endif
 116
 117 /* Notice: for blackfin, the speed_hz is the value of register
 118  * SPI_BAUD, not the real baudrate */
 119 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 120 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 121         {
 122                 .modalias = "mmc_spi",
 123                 .max_speed_hz = 2,
 124                 .bus_num = 1,
 125                 .chip_select = 5,
 126                 .controller_data = &mmc_spi_chip_info,
 127         },
 128 #endif
 129 };
 130
 131 /* SPI controller data */
 132 static struct bfin5xx_spi_master spi_bfin_master_info = {
 133         .num_chipselect = 8,
 134         .enable_dma = 1,  /* master has the ability to do dma transfer */
 135 };
 136
 137 static struct platform_device spi_bfin_master_device = {
 138         .name = "bfin-spi-master",
 139         .id = 1, /* Bus number */
 140         .dev = {
 141                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
 142         },
 143 };
 144 #endif  /* spi master and devices */
 145
 146 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 147 #ifdef CONFIG_SERIAL_BFIN_UART0
 148 static struct resource bfin_uart0_resources[] = {
 149         {
 150                 .start = BFIN_UART_THR,
 151                 .end = BFIN_UART_GCTL+2,
 152                 .flags = IORESOURCE_MEM,
 153         },
 154         {
 155                 .start = IRQ_UART0_RX,
 156                 .end = IRQ_UART0_RX + 1,
 157                 .flags = IORESOURCE_IRQ,
 158         },
 159         {
 160                 .start = IRQ_UART0_ERROR,
 161                 .end = IRQ_UART0_ERROR,
 162                 .flags = IORESOURCE_IRQ,
 163         },
 164         {
 165                 .start = CH_UART0_TX,
 166                 .end = CH_UART0_TX,
 167                 .flags = IORESOURCE_DMA,
 168         },
 169         {
 170                 .start = CH_UART0_RX,
 171                 .end = CH_UART0_RX,
 172                 .flags = IORESOURCE_DMA,
 173         },
 174 };
 175
 176 unsigned short bfin_uart0_peripherals[] = {
 177         P_UART0_TX, P_UART0_RX, 0
 178 };
 179
 180 static struct platform_device bfin_uart0_device = {
 181         .name = "bfin-uart",
 182         .id = 0,
 183         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 184         .resource = bfin_uart0_resources,
 185         .dev = {
 186                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 187         },
 188 };
 189 #endif
 190 #endif
 191
 192 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 193 #ifdef CONFIG_BFIN_SIR0
 194 static struct resource bfin_sir0_resources[] = {
 195         {
 196                 .start = 0xFFC00400,
 197                 .end = 0xFFC004FF,
 198                 .flags = IORESOURCE_MEM,
 199         },
 200         {
 201                 .start = IRQ_UART0_RX,
 202                 .end = IRQ_UART0_RX+1,
 203                 .flags = IORESOURCE_IRQ,
 204         },
 205         {
 206                 .start = CH_UART0_RX,
 207                 .end = CH_UART0_RX+1,
 208                 .flags = IORESOURCE_DMA,
 209         },
 210 };
 211
 212 static struct platform_device bfin_sir0_device = {
 213         .name = "bfin_sir",
 214         .id = 0,
 215         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 216         .resource = bfin_sir0_resources,
 217 };
 218 #endif
 219 #endif
 220
 221 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 222 static struct resource isp1362_hcd_resources[] = {
 223         {
 224                 .start = 0x20300000,
 225                 .end   = 0x20300000 + 1,
 226                 .flags = IORESOURCE_MEM,
 227         },{
 228                 .start = 0x20300000 + 2,
 229                 .end   = 0x20300000 + 3,
 230                 .flags = IORESOURCE_MEM,
 231         },{
 232                 .start = IRQ_PF11,
 233                 .end   = IRQ_PF11,
 234                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 235         },
 236 };
 237
 238 static struct isp1362_platform_data isp1362_priv = {
 239         .sel15Kres = 1,
 240         .clknotstop = 0,
 241         .oc_enable = 0,         /* external OC */
 242         .int_act_high = 0,
 243         .int_edge_triggered = 0,
 244         .remote_wakeup_connected = 0,
 245         .no_power_switching = 1,
 246         .power_switching_mode = 0,
 247 };
 248
 249 static struct platform_device isp1362_hcd_device = {
 250         .name = "isp1362-hcd",
 251         .id = 0,
 252         .dev = {
 253                 .platform_data = &isp1362_priv,
 254         },
 255         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 256         .resource = isp1362_hcd_resources,
 257 };
 258 #endif
 259
 260
 261 static struct platform_device *ip0x_devices[] __initdata = {
 262 #if defined(CONFIG_BFIN532_IP0X)
 263 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 264         &dm9000_device1,
 265         &dm9000_device2,
 266 #endif
 267 #endif
 268
 269 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 270         &spi_bfin_master_device,
 271 #endif
 272
 273 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 274 #ifdef CONFIG_SERIAL_BFIN_UART0
 275         &bfin_uart0_device,
 276 #endif
 277 #endif
 278
 279 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 280 #ifdef CONFIG_BFIN_SIR0
 281         &bfin_sir0_device,
 282 #endif
 283 #endif
 284
 285 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 286         &isp1362_hcd_device,
 287 #endif
 288 };
 289
 290 static int __init ip0x_init(void)
 291 {
 292         int i;
 293
 294         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 295         platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
 296
 297 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 298         for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
 299                 int j = 1 << bfin_spi_board_info[i].chip_select;
 300                 /* set spi cs to 1 */
 301                 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
 302                 bfin_write_FIO_FLAG_S(j);
 303         }
 304         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 305 #endif
 306
 307         return 0;
 308 }
 309
 310 arch_initcall(ip0x_init);
 311
 312 static struct platform_device *ip0x_early_devices[] __initdata = {
 313 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 314 #ifdef CONFIG_SERIAL_BFIN_UART0
 315         &bfin_uart0_device,
 316 #endif
 317 #endif
 318 };
 319
 320 void __init native_machine_early_platform_add_devices(void)
 321 {
 322         printk(KERN_INFO "register early platform devices\n");
 323         early_platform_add_devices(ip0x_early_devices,
 324                 ARRAY_SIZE(ip0x_early_devices));
 325 }