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 #include <mach/fio_flag.h>
  26
  27 /*
  28  * Name the Board for the /proc/cpuinfo
  29  */
  30 const char bfin_board_name[] = "IP04/IP08";
  31
  32 /*
  33  *  Driver needs to know address, irq and flag pin.
  34  */
  35 #if defined(CONFIG_BFIN532_IP0X)
  36 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
  37
  38 #include <linux/dm9000.h>
  39
  40 static struct resource dm9000_resource1[] = {
  41         {
  42                 .start = 0x20100000,
  43                 .end   = 0x20100000 + 1,
  44                 .flags = IORESOURCE_MEM
  45         },{
  46                 .start = 0x20100000 + 2,
  47                 .end   = 0x20100000 + 3,
  48                 .flags = IORESOURCE_MEM
  49         },{
  50                 .start = IRQ_PF15,
  51                 .end   = IRQ_PF15,
  52                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  53         }
  54 };
  55
  56 static struct resource dm9000_resource2[] = {
  57         {
  58                 .start = 0x20200000,
  59                 .end   = 0x20200000 + 1,
  60                 .flags = IORESOURCE_MEM
  61         },{
  62                 .start = 0x20200000 + 2,
  63                 .end   = 0x20200000 + 3,
  64                 .flags = IORESOURCE_MEM
  65         },{
  66                 .start = IRQ_PF14,
  67                 .end   = IRQ_PF14,
  68                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
  69         }
  70 };
  71
  72 /*
  73 * for the moment we limit ourselves to 16bit IO until some
  74 * better IO routines can be written and tested
  75 */
  76 static struct dm9000_plat_data dm9000_platdata1 = {
  77         .flags          = DM9000_PLATF_16BITONLY,
  78 };
  79
  80 static struct platform_device dm9000_device1 = {
  81         .name           = "dm9000",
  82         .id             = 0,
  83         .num_resources  = ARRAY_SIZE(dm9000_resource1),
  84         .resource       = dm9000_resource1,
  85         .dev            = {
  86                 .platform_data = &dm9000_platdata1,
  87         }
  88 };
  89
  90 static struct dm9000_plat_data dm9000_platdata2 = {
  91         .flags          = DM9000_PLATF_16BITONLY,
  92 };
  93
  94 static struct platform_device dm9000_device2 = {
  95         .name           = "dm9000",
  96         .id             = 1,
  97         .num_resources  = ARRAY_SIZE(dm9000_resource2),
  98         .resource       = dm9000_resource2,
  99         .dev            = {
 100                 .platform_data = &dm9000_platdata2,
 101         }
 102 };
 103
 104 #endif
 105 #endif
 106
 107
 108 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 109 /* all SPI peripherals info goes here */
 110
 111 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 112 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 113         .enable_dma = 0,                /* if 1 - block!!! */
 114         .bits_per_word = 8,
 115 };
 116 #endif
 117
 118 /* Notice: for blackfin, the speed_hz is the value of register
 119  * SPI_BAUD, not the real baudrate */
 120 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 121 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 122         {
 123                 .modalias = "mmc_spi",
 124                 .max_speed_hz = 2,
 125                 .bus_num = 1,
 126                 .chip_select = 5,
 127                 .controller_data = &mmc_spi_chip_info,
 128         },
 129 #endif
 130 };
 131
 132 /* SPI controller data */
 133 static struct bfin5xx_spi_master spi_bfin_master_info = {
 134         .num_chipselect = 8,
 135         .enable_dma = 1,  /* master has the ability to do dma transfer */
 136 };
 137
 138 static struct platform_device spi_bfin_master_device = {
 139         .name = "bfin-spi-master",
 140         .id = 1, /* Bus number */
 141         .dev = {
 142                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
 143         },
 144 };
 145 #endif  /* spi master and devices */
 146
 147 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 148 #ifdef CONFIG_SERIAL_BFIN_UART0
 149 static struct resource bfin_uart0_resources[] = {
 150         {
 151                 .start = BFIN_UART_THR,
 152                 .end = BFIN_UART_GCTL+2,
 153                 .flags = IORESOURCE_MEM,
 154         },
 155         {
 156                 .start = IRQ_UART0_RX,
 157                 .end = IRQ_UART0_RX + 1,
 158                 .flags = IORESOURCE_IRQ,
 159         },
 160         {
 161                 .start = IRQ_UART0_ERROR,
 162                 .end = IRQ_UART0_ERROR,
 163                 .flags = IORESOURCE_IRQ,
 164         },
 165         {
 166                 .start = CH_UART0_TX,
 167                 .end = CH_UART0_TX,
 168                 .flags = IORESOURCE_DMA,
 169         },
 170         {
 171                 .start = CH_UART0_RX,
 172                 .end = CH_UART0_RX,
 173                 .flags = IORESOURCE_DMA,
 174         },
 175 };
 176
 177 unsigned short bfin_uart0_peripherals[] = {
 178         P_UART0_TX, P_UART0_RX, 0
 179 };
 180
 181 static struct platform_device bfin_uart0_device = {
 182         .name = "bfin-uart",
 183         .id = 0,
 184         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 185         .resource = bfin_uart0_resources,
 186         .dev = {
 187                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 188         },
 189 };
 190 #endif
 191 #endif
 192
 193 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 194 #ifdef CONFIG_BFIN_SIR0
 195 static struct resource bfin_sir0_resources[] = {
 196         {
 197                 .start = 0xFFC00400,
 198                 .end = 0xFFC004FF,
 199                 .flags = IORESOURCE_MEM,
 200         },
 201         {
 202                 .start = IRQ_UART0_RX,
 203                 .end = IRQ_UART0_RX+1,
 204                 .flags = IORESOURCE_IRQ,
 205         },
 206         {
 207                 .start = CH_UART0_RX,
 208                 .end = CH_UART0_RX+1,
 209                 .flags = IORESOURCE_DMA,
 210         },
 211 };
 212
 213 static struct platform_device bfin_sir0_device = {
 214         .name = "bfin_sir",
 215         .id = 0,
 216         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 217         .resource = bfin_sir0_resources,
 218 };
 219 #endif
 220 #endif
 221
 222 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 223 static struct resource isp1362_hcd_resources[] = {
 224         {
 225                 .start = 0x20300000,
 226                 .end   = 0x20300000 + 1,
 227                 .flags = IORESOURCE_MEM,
 228         },{
 229                 .start = 0x20300000 + 2,
 230                 .end   = 0x20300000 + 3,
 231                 .flags = IORESOURCE_MEM,
 232         },{
 233                 .start = IRQ_PF11,
 234                 .end   = IRQ_PF11,
 235                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 236         },
 237 };
 238
 239 static struct isp1362_platform_data isp1362_priv = {
 240         .sel15Kres = 1,
 241         .clknotstop = 0,
 242         .oc_enable = 0,         /* external OC */
 243         .int_act_high = 0,
 244         .int_edge_triggered = 0,
 245         .remote_wakeup_connected = 0,
 246         .no_power_switching = 1,
 247         .power_switching_mode = 0,
 248 };
 249
 250 static struct platform_device isp1362_hcd_device = {
 251         .name = "isp1362-hcd",
 252         .id = 0,
 253         .dev = {
 254                 .platform_data = &isp1362_priv,
 255         },
 256         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 257         .resource = isp1362_hcd_resources,
 258 };
 259 #endif
 260
 261
 262 static struct platform_device *ip0x_devices[] __initdata = {
 263 #if defined(CONFIG_BFIN532_IP0X)
 264 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 265         &dm9000_device1,
 266         &dm9000_device2,
 267 #endif
 268 #endif
 269
 270 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 271         &spi_bfin_master_device,
 272 #endif
 273
 274 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 275 #ifdef CONFIG_SERIAL_BFIN_UART0
 276         &bfin_uart0_device,
 277 #endif
 278 #endif
 279
 280 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 281 #ifdef CONFIG_BFIN_SIR0
 282         &bfin_sir0_device,
 283 #endif
 284 #endif
 285
 286 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 287         &isp1362_hcd_device,
 288 #endif
 289 };
 290
 291 static int __init ip0x_init(void)
 292 {
 293         int i;
 294
 295         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 296         platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
 297
 298 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 299         for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
 300                 int j = 1 << bfin_spi_board_info[i].chip_select;
 301                 /* set spi cs to 1 */
 302                 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
 303                 bfin_write_FIO_FLAG_S(j);
 304         }
 305         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 306 #endif
 307
 308         return 0;
 309 }
 310
 311 arch_initcall(ip0x_init);
 312
 313 static struct platform_device *ip0x_early_devices[] __initdata = {
 314 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 315 #ifdef CONFIG_SERIAL_BFIN_UART0
 316         &bfin_uart0_device,
 317 #endif
 318 #endif
 319 };
 320
 321 void __init native_machine_early_platform_add_devices(void)
 322 {
 323         printk(KERN_INFO "register early platform devices\n");
 324         early_platform_add_devices(ip0x_early_devices,
 325                 ARRAY_SIZE(ip0x_early_devices));
 326 }