linux/arch/arm/mach-omap1/board-fsample.c
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   1/*
   2 * linux/arch/arm/mach-omap1/board-fsample.c
   3 *
   4 * Modified from board-perseus2.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#include <linux/gpio.h>
  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/mtd/physmap.h>
  22#include <linux/input.h>
  23#include <linux/smc91x.h>
  24#include <linux/omapfb.h>
  25
  26#include <asm/mach-types.h>
  27#include <asm/mach/arch.h>
  28#include <asm/mach/map.h>
  29
  30#include <mach/tc.h>
  31#include <mach/mux.h>
  32#include <mach/flash.h>
  33#include <linux/platform_data/keypad-omap.h>
  34
  35#include <mach/hardware.h>
  36
  37#include "iomap.h"
  38#include "common.h"
  39#include "fpga.h"
  40
  41/* fsample is pretty close to p2-sample */
  42
  43#define fsample_cpld_read(reg) __raw_readb(reg)
  44#define fsample_cpld_write(val, reg) __raw_writeb(val, reg)
  45
  46#define FSAMPLE_CPLD_BASE    0xE8100000
  47#define FSAMPLE_CPLD_SIZE    SZ_4K
  48#define FSAMPLE_CPLD_START   0x05080000
  49
  50#define FSAMPLE_CPLD_REG_A   (FSAMPLE_CPLD_BASE + 0x00)
  51#define FSAMPLE_CPLD_SWITCH  (FSAMPLE_CPLD_BASE + 0x02)
  52#define FSAMPLE_CPLD_UART    (FSAMPLE_CPLD_BASE + 0x02)
  53#define FSAMPLE_CPLD_REG_B   (FSAMPLE_CPLD_BASE + 0x04)
  54#define FSAMPLE_CPLD_VERSION (FSAMPLE_CPLD_BASE + 0x06)
  55#define FSAMPLE_CPLD_SET_CLR (FSAMPLE_CPLD_BASE + 0x06)
  56
  57#define FSAMPLE_CPLD_BIT_BT_RESET         0
  58#define FSAMPLE_CPLD_BIT_LCD_RESET        1
  59#define FSAMPLE_CPLD_BIT_CAM_PWDN         2
  60#define FSAMPLE_CPLD_BIT_CHARGER_ENABLE   3
  61#define FSAMPLE_CPLD_BIT_SD_MMC_EN        4
  62#define FSAMPLE_CPLD_BIT_aGPS_PWREN       5
  63#define FSAMPLE_CPLD_BIT_BACKLIGHT        6
  64#define FSAMPLE_CPLD_BIT_aGPS_EN_RESET    7
  65#define FSAMPLE_CPLD_BIT_aGPS_SLEEPx_N    8
  66#define FSAMPLE_CPLD_BIT_OTG_RESET        9
  67
  68#define fsample_cpld_set(bit) \
  69    fsample_cpld_write((((bit) & 15) << 4) | 0x0f, FSAMPLE_CPLD_SET_CLR)
  70
  71#define fsample_cpld_clear(bit) \
  72    fsample_cpld_write(0xf0 | ((bit) & 15), FSAMPLE_CPLD_SET_CLR)
  73
  74static const unsigned int fsample_keymap[] = {
  75        KEY(0, 0, KEY_UP),
  76        KEY(1, 0, KEY_RIGHT),
  77        KEY(2, 0, KEY_LEFT),
  78        KEY(3, 0, KEY_DOWN),
  79        KEY(4, 0, KEY_ENTER),
  80        KEY(0, 1, KEY_F10),
  81        KEY(1, 1, KEY_SEND),
  82        KEY(2, 1, KEY_END),
  83        KEY(3, 1, KEY_VOLUMEDOWN),
  84        KEY(4, 1, KEY_VOLUMEUP),
  85        KEY(5, 1, KEY_RECORD),
  86        KEY(0, 2, KEY_F9),
  87        KEY(1, 2, KEY_3),
  88        KEY(2, 2, KEY_6),
  89        KEY(3, 2, KEY_9),
  90        KEY(4, 2, KEY_KPDOT),
  91        KEY(0, 3, KEY_BACK),
  92        KEY(1, 3, KEY_2),
  93        KEY(2, 3, KEY_5),
  94        KEY(3, 3, KEY_8),
  95        KEY(4, 3, KEY_0),
  96        KEY(5, 3, KEY_KPSLASH),
  97        KEY(0, 4, KEY_HOME),
  98        KEY(1, 4, KEY_1),
  99        KEY(2, 4, KEY_4),
 100        KEY(3, 4, KEY_7),
 101        KEY(4, 4, KEY_KPASTERISK),
 102        KEY(5, 4, KEY_POWER),
 103};
 104
 105static struct smc91x_platdata smc91x_info = {
 106        .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 107        .leda   = RPC_LED_100_10,
 108        .ledb   = RPC_LED_TX_RX,
 109};
 110
 111static struct resource smc91x_resources[] = {
 112        [0] = {
 113                .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
 114                .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
 115                .flags  = IORESOURCE_MEM,
 116        },
 117        [1] = {
 118                .start  = INT_7XX_MPU_EXT_NIRQ,
 119                .end    = 0,
 120                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 121        },
 122};
 123
 124static void __init fsample_init_smc91x(void)
 125{
 126        __raw_writeb(1, H2P2_DBG_FPGA_LAN_RESET);
 127        mdelay(50);
 128        __raw_writeb(__raw_readb(H2P2_DBG_FPGA_LAN_RESET) & ~1,
 129                   H2P2_DBG_FPGA_LAN_RESET);
 130        mdelay(50);
 131}
 132
 133static struct mtd_partition nor_partitions[] = {
 134        /* bootloader (U-Boot, etc) in first sector */
 135        {
 136              .name             = "bootloader",
 137              .offset           = 0,
 138              .size             = SZ_128K,
 139              .mask_flags       = MTD_WRITEABLE, /* force read-only */
 140        },
 141        /* bootloader params in the next sector */
 142        {
 143              .name             = "params",
 144              .offset           = MTDPART_OFS_APPEND,
 145              .size             = SZ_128K,
 146              .mask_flags       = 0,
 147        },
 148        /* kernel */
 149        {
 150              .name             = "kernel",
 151              .offset           = MTDPART_OFS_APPEND,
 152              .size             = SZ_2M,
 153              .mask_flags       = 0
 154        },
 155        /* rest of flash is a file system */
 156        {
 157              .name             = "rootfs",
 158              .offset           = MTDPART_OFS_APPEND,
 159              .size             = MTDPART_SIZ_FULL,
 160              .mask_flags       = 0
 161        },
 162};
 163
 164static struct physmap_flash_data nor_data = {
 165        .width          = 2,
 166        .set_vpp        = omap1_set_vpp,
 167        .parts          = nor_partitions,
 168        .nr_parts       = ARRAY_SIZE(nor_partitions),
 169};
 170
 171static struct resource nor_resource = {
 172        .start          = OMAP_CS0_PHYS,
 173        .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 174        .flags          = IORESOURCE_MEM,
 175};
 176
 177static struct platform_device nor_device = {
 178        .name           = "physmap-flash",
 179        .id             = 0,
 180        .dev            = {
 181                .platform_data  = &nor_data,
 182        },
 183        .num_resources  = 1,
 184        .resource       = &nor_resource,
 185};
 186
 187#define FSAMPLE_NAND_RB_GPIO_PIN        62
 188
 189static int nand_dev_ready(struct mtd_info *mtd)
 190{
 191        return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN);
 192}
 193
 194static struct platform_nand_data nand_data = {
 195        .chip   = {
 196                .nr_chips               = 1,
 197                .chip_offset            = 0,
 198                .options                = NAND_SAMSUNG_LP_OPTIONS,
 199        },
 200        .ctrl   = {
 201                .cmd_ctrl       = omap1_nand_cmd_ctl,
 202                .dev_ready      = nand_dev_ready,
 203        },
 204};
 205
 206static struct resource nand_resource = {
 207        .start          = OMAP_CS3_PHYS,
 208        .end            = OMAP_CS3_PHYS + SZ_4K - 1,
 209        .flags          = IORESOURCE_MEM,
 210};
 211
 212static struct platform_device nand_device = {
 213        .name           = "gen_nand",
 214        .id             = 0,
 215        .dev            = {
 216                .platform_data  = &nand_data,
 217        },
 218        .num_resources  = 1,
 219        .resource       = &nand_resource,
 220};
 221
 222static struct platform_device smc91x_device = {
 223        .name           = "smc91x",
 224        .id             = 0,
 225        .dev    = {
 226                .platform_data  = &smc91x_info,
 227        },
 228        .num_resources  = ARRAY_SIZE(smc91x_resources),
 229        .resource       = smc91x_resources,
 230};
 231
 232static struct resource kp_resources[] = {
 233        [0] = {
 234                .start  = INT_7XX_MPUIO_KEYPAD,
 235                .end    = INT_7XX_MPUIO_KEYPAD,
 236                .flags  = IORESOURCE_IRQ,
 237        },
 238};
 239
 240static const struct matrix_keymap_data fsample_keymap_data = {
 241        .keymap         = fsample_keymap,
 242        .keymap_size    = ARRAY_SIZE(fsample_keymap),
 243};
 244
 245static struct omap_kp_platform_data kp_data = {
 246        .rows           = 8,
 247        .cols           = 8,
 248        .keymap_data    = &fsample_keymap_data,
 249        .delay          = 4,
 250};
 251
 252static struct platform_device kp_device = {
 253        .name           = "omap-keypad",
 254        .id             = -1,
 255        .dev            = {
 256                .platform_data = &kp_data,
 257        },
 258        .num_resources  = ARRAY_SIZE(kp_resources),
 259        .resource       = kp_resources,
 260};
 261
 262static struct platform_device *devices[] __initdata = {
 263        &nor_device,
 264        &nand_device,
 265        &smc91x_device,
 266        &kp_device,
 267};
 268
 269static struct omap_lcd_config fsample_lcd_config = {
 270        .ctrl_name      = "internal",
 271};
 272
 273static void __init omap_fsample_init(void)
 274{
 275        /* Early, board-dependent init */
 276
 277        /*
 278         * Hold GSM Reset until needed
 279         */
 280        omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
 281
 282        /*
 283         * UARTs -> done automagically by 8250 driver
 284         */
 285
 286        /*
 287         * CSx timings, GPIO Mux ... setup
 288         */
 289
 290        /* Flash: CS0 timings setup */
 291        omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
 292        omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
 293
 294        /*
 295         * Ethernet support through the debug board
 296         * CS1 timings setup
 297         */
 298        omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
 299        omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
 300
 301        /*
 302         * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 303         * It is used as the Ethernet controller interrupt
 304         */
 305        omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
 306                        OMAP7XX_IO_CONF_9);
 307
 308        fsample_init_smc91x();
 309
 310        BUG_ON(gpio_request(FSAMPLE_NAND_RB_GPIO_PIN, "NAND ready") < 0);
 311        gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN);
 312
 313        omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 314        omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 315
 316        /* Mux pins for keypad */
 317        omap_cfg_reg(E2_7XX_KBR0);
 318        omap_cfg_reg(J7_7XX_KBR1);
 319        omap_cfg_reg(E1_7XX_KBR2);
 320        omap_cfg_reg(F3_7XX_KBR3);
 321        omap_cfg_reg(D2_7XX_KBR4);
 322        omap_cfg_reg(C2_7XX_KBC0);
 323        omap_cfg_reg(D3_7XX_KBC1);
 324        omap_cfg_reg(E4_7XX_KBC2);
 325        omap_cfg_reg(F4_7XX_KBC3);
 326        omap_cfg_reg(E3_7XX_KBC4);
 327
 328        platform_add_devices(devices, ARRAY_SIZE(devices));
 329
 330        omap_serial_init();
 331        omap_register_i2c_bus(1, 100, NULL, 0);
 332
 333        omapfb_set_lcd_config(&fsample_lcd_config);
 334}
 335
 336/* Only FPGA needs to be mapped here. All others are done with ioremap */
 337static struct map_desc omap_fsample_io_desc[] __initdata = {
 338        {
 339                .virtual        = H2P2_DBG_FPGA_BASE,
 340                .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
 341                .length         = H2P2_DBG_FPGA_SIZE,
 342                .type           = MT_DEVICE
 343        },
 344        {
 345                .virtual        = FSAMPLE_CPLD_BASE,
 346                .pfn            = __phys_to_pfn(FSAMPLE_CPLD_START),
 347                .length         = FSAMPLE_CPLD_SIZE,
 348                .type           = MT_DEVICE
 349        }
 350};
 351
 352static void __init omap_fsample_map_io(void)
 353{
 354        omap15xx_map_io();
 355        iotable_init(omap_fsample_io_desc,
 356                     ARRAY_SIZE(omap_fsample_io_desc));
 357}
 358
 359MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
 360/* Maintainer: Brian Swetland <swetland@google.com> */
 361        .atag_offset    = 0x100,
 362        .map_io         = omap_fsample_map_io,
 363        .init_early     = omap1_init_early,
 364        .init_irq       = omap1_init_irq,
 365        .init_machine   = omap_fsample_init,
 366        .init_late      = omap1_init_late,
 367        .init_time      = omap1_timer_init,
 368        .restart        = omap1_restart,
 369MACHINE_END
 370