SAFE public projects git trees. - safe/jmp/linux-2.6/blob - arch/arm/mach-omap1/board-perseus2.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-perseus2.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
   7  * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/delay.h>
  18 #include <linux/mtd/mtd.h>
  19 #include <linux/mtd/nand.h>
  20 #include <linux/mtd/partitions.h>
  21 #include <linux/input.h>
  22 #include <linux/smc91x.h>
  23
  24 #include <mach/hardware.h>
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/flash.h>
  28 #include <asm/mach/map.h>
  29
  30 #include <plat/tc.h>
  31 #include <mach/gpio.h>
  32 #include <plat/mux.h>
  33 #include <plat/fpga.h>
  34 #include <plat/nand.h>
  35 #include <plat/keypad.h>
  36 #include <plat/common.h>
  37 #include <plat/board.h>
  38
  39 static int p2_keymap[] = {
  40         KEY(0,0,KEY_UP),
  41         KEY(0,1,KEY_RIGHT),
  42         KEY(0,2,KEY_LEFT),
  43         KEY(0,3,KEY_DOWN),
  44         KEY(0,4,KEY_ENTER),
  45         KEY(1,0,KEY_F10),
  46         KEY(1,1,KEY_SEND),
  47         KEY(1,2,KEY_END),
  48         KEY(1,3,KEY_VOLUMEDOWN),
  49         KEY(1,4,KEY_VOLUMEUP),
  50         KEY(1,5,KEY_RECORD),
  51         KEY(2,0,KEY_F9),
  52         KEY(2,1,KEY_3),
  53         KEY(2,2,KEY_6),
  54         KEY(2,3,KEY_9),
  55         KEY(2,4,KEY_KPDOT),
  56         KEY(3,0,KEY_BACK),
  57         KEY(3,1,KEY_2),
  58         KEY(3,2,KEY_5),
  59         KEY(3,3,KEY_8),
  60         KEY(3,4,KEY_0),
  61         KEY(3,5,KEY_KPSLASH),
  62         KEY(4,0,KEY_HOME),
  63         KEY(4,1,KEY_1),
  64         KEY(4,2,KEY_4),
  65         KEY(4,3,KEY_7),
  66         KEY(4,4,KEY_KPASTERISK),
  67         KEY(4,5,KEY_POWER),
  68         0
  69 };
  70
  71 static struct smc91x_platdata smc91x_info = {
  72         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  73         .leda   = RPC_LED_100_10,
  74         .ledb   = RPC_LED_TX_RX,
  75 };
  76
  77 static struct resource smc91x_resources[] = {
  78         [0] = {
  79                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
  80                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start  = INT_7XX_MPU_EXT_NIRQ,
  85                 .end    = 0,
  86                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  87         },
  88 };
  89
  90 static struct mtd_partition nor_partitions[] = {
  91         /* bootloader (U-Boot, etc) in first sector */
  92         {
  93               .name             = "bootloader",
  94               .offset           = 0,
  95               .size             = SZ_128K,
  96               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  97         },
  98         /* bootloader params in the next sector */
  99         {
 100               .name             = "params",
 101               .offset           = MTDPART_OFS_APPEND,
 102               .size             = SZ_128K,
 103               .mask_flags       = 0,
 104         },
 105         /* kernel */
 106         {
 107               .name             = "kernel",
 108               .offset           = MTDPART_OFS_APPEND,
 109               .size             = SZ_2M,
 110               .mask_flags       = 0
 111         },
 112         /* rest of flash is a file system */
 113         {
 114               .name             = "rootfs",
 115               .offset           = MTDPART_OFS_APPEND,
 116               .size             = MTDPART_SIZ_FULL,
 117               .mask_flags       = 0
 118         },
 119 };
 120
 121 static struct flash_platform_data nor_data = {
 122         .map_name       = "cfi_probe",
 123         .width          = 2,
 124         .parts          = nor_partitions,
 125         .nr_parts       = ARRAY_SIZE(nor_partitions),
 126 };
 127
 128 static struct resource nor_resource = {
 129         .start          = OMAP_CS0_PHYS,
 130         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 131         .flags          = IORESOURCE_MEM,
 132 };
 133
 134 static struct platform_device nor_device = {
 135         .name           = "omapflash",
 136         .id             = 0,
 137         .dev            = {
 138                 .platform_data  = &nor_data,
 139         },
 140         .num_resources  = 1,
 141         .resource       = &nor_resource,
 142 };
 143
 144 static struct omap_nand_platform_data nand_data = {
 145         .options        = NAND_SAMSUNG_LP_OPTIONS,
 146 };
 147
 148 static struct resource nand_resource = {
 149         .start          = OMAP_CS3_PHYS,
 150         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
 151         .flags          = IORESOURCE_MEM,
 152 };
 153
 154 static struct platform_device nand_device = {
 155         .name           = "omapnand",
 156         .id             = 0,
 157         .dev            = {
 158                 .platform_data  = &nand_data,
 159         },
 160         .num_resources  = 1,
 161         .resource       = &nand_resource,
 162 };
 163
 164 static struct platform_device smc91x_device = {
 165         .name           = "smc91x",
 166         .id             = 0,
 167         .dev    = {
 168                 .platform_data  = &smc91x_info,
 169         },
 170         .num_resources  = ARRAY_SIZE(smc91x_resources),
 171         .resource       = smc91x_resources,
 172 };
 173
 174 static struct resource kp_resources[] = {
 175         [0] = {
 176                 .start  = INT_7XX_MPUIO_KEYPAD,
 177                 .end    = INT_7XX_MPUIO_KEYPAD,
 178                 .flags  = IORESOURCE_IRQ,
 179         },
 180 };
 181
 182 static struct omap_kp_platform_data kp_data = {
 183         .rows           = 8,
 184         .cols           = 8,
 185         .keymap         = p2_keymap,
 186         .keymapsize     = ARRAY_SIZE(p2_keymap),
 187         .delay          = 4,
 188         .dbounce        = 1,
 189 };
 190
 191 static struct platform_device kp_device = {
 192         .name           = "omap-keypad",
 193         .id             = -1,
 194         .dev            = {
 195                 .platform_data = &kp_data,
 196         },
 197         .num_resources  = ARRAY_SIZE(kp_resources),
 198         .resource       = kp_resources,
 199 };
 200
 201 static struct platform_device lcd_device = {
 202         .name           = "lcd_p2",
 203         .id             = -1,
 204 };
 205
 206 static struct platform_device *devices[] __initdata = {
 207         &nor_device,
 208         &nand_device,
 209         &smc91x_device,
 210         &kp_device,
 211         &lcd_device,
 212 };
 213
 214 #define P2_NAND_RB_GPIO_PIN     62
 215
 216 static int nand_dev_ready(struct omap_nand_platform_data *data)
 217 {
 218         return gpio_get_value(P2_NAND_RB_GPIO_PIN);
 219 }
 220
 221 static struct omap_lcd_config perseus2_lcd_config __initdata = {
 222         .ctrl_name      = "internal",
 223 };
 224
 225 static struct omap_board_config_kernel perseus2_config[] __initdata = {
 226         { OMAP_TAG_LCD,         &perseus2_lcd_config },
 227 };
 228
 229 static void __init omap_perseus2_init(void)
 230 {
 231         if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 232                 BUG();
 233         nand_data.dev_ready = nand_dev_ready;
 234
 235         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 236         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 237
 238         platform_add_devices(devices, ARRAY_SIZE(devices));
 239
 240         omap_board_config = perseus2_config;
 241         omap_board_config_size = ARRAY_SIZE(perseus2_config);
 242         omap_serial_init();
 243         omap_register_i2c_bus(1, 100, NULL, 0);
 244 }
 245
 246 static void __init perseus2_init_smc91x(void)
 247 {
 248         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
 249         mdelay(50);
 250         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
 251                    H2P2_DBG_FPGA_LAN_RESET);
 252         mdelay(50);
 253 }
 254
 255 static void __init omap_perseus2_init_irq(void)
 256 {
 257         omap1_init_common_hw();
 258         omap_init_irq();
 259         omap_gpio_init();
 260         perseus2_init_smc91x();
 261 }
 262 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 263 static struct map_desc omap_perseus2_io_desc[] __initdata = {
 264         {
 265                 .virtual        = H2P2_DBG_FPGA_BASE,
 266                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
 267                 .length         = H2P2_DBG_FPGA_SIZE,
 268                 .type           = MT_DEVICE
 269         }
 270 };
 271
 272 static void __init omap_perseus2_map_io(void)
 273 {
 274         omap1_map_common_io();
 275         iotable_init(omap_perseus2_io_desc,
 276                      ARRAY_SIZE(omap_perseus2_io_desc));
 277
 278         /* Early, board-dependent init */
 279
 280         /*
 281          * Hold GSM Reset until needed
 282          */
 283         omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
 284
 285         /*
 286          * UARTs -> done automagically by 8250 driver
 287          */
 288
 289         /*
 290          * CSx timings, GPIO Mux ... setup
 291          */
 292
 293         /* Flash: CS0 timings setup */
 294         omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
 295         omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
 296
 297         /*
 298          * Ethernet support through the debug board
 299          * CS1 timings setup
 300          */
 301         omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
 302         omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
 303
 304         /*
 305          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 306          * It is used as the Ethernet controller interrupt
 307          */
 308         omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
 309 }
 310
 311 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 312         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
 313         .phys_io        = 0xfff00000,
 314         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 315         .boot_params    = 0x10000100,
 316         .map_io         = omap_perseus2_map_io,
 317         .init_irq       = omap_perseus2_init_irq,
 318         .init_machine   = omap_perseus2_init,
 319         .timer          = &omap_timer,
 320 MACHINE_END