arch/arm/mach-omap1/board-fsample.c

   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
  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
  23 #include <mach/hardware.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/flash.h>
  27 #include <asm/mach/map.h>
  28
  29 #include <mach/tc.h>
  30 #include <mach/gpio.h>
  31 #include <mach/mux.h>
  32 #include <mach/fpga.h>
  33 #include <mach/nand.h>
  34 #include <mach/keypad.h>
  35 #include <mach/common.h>
  36 #include <mach/board.h>
  37 #include <mach/board-fsample.h>
  38
  39 static int fsample_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 resource smc91x_resources[] = {
  72         [0] = {
  73                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
  74                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
  75                 .flags  = IORESOURCE_MEM,
  76         },
  77         [1] = {
  78                 .start  = INT_730_MPU_EXT_NIRQ,
  79                 .end    = 0,
  80                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  81         },
  82 };
  83
  84 static struct mtd_partition nor_partitions[] = {
  85         /* bootloader (U-Boot, etc) in first sector */
  86         {
  87               .name             = "bootloader",
  88               .offset           = 0,
  89               .size             = SZ_128K,
  90               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  91         },
  92         /* bootloader params in the next sector */
  93         {
  94               .name             = "params",
  95               .offset           = MTDPART_OFS_APPEND,
  96               .size             = SZ_128K,
  97               .mask_flags       = 0,
  98         },
  99         /* kernel */
 100         {
 101               .name             = "kernel",
 102               .offset           = MTDPART_OFS_APPEND,
 103               .size             = SZ_2M,
 104               .mask_flags       = 0
 105         },
 106         /* rest of flash is a file system */
 107         {
 108               .name             = "rootfs",
 109               .offset           = MTDPART_OFS_APPEND,
 110               .size             = MTDPART_SIZ_FULL,
 111               .mask_flags       = 0
 112         },
 113 };
 114
 115 static struct flash_platform_data nor_data = {
 116         .map_name       = "cfi_probe",
 117         .width          = 2,
 118         .parts          = nor_partitions,
 119         .nr_parts       = ARRAY_SIZE(nor_partitions),
 120 };
 121
 122 static struct resource nor_resource = {
 123         .start          = OMAP_CS0_PHYS,
 124         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 125         .flags          = IORESOURCE_MEM,
 126 };
 127
 128 static struct platform_device nor_device = {
 129         .name           = "omapflash",
 130         .id             = 0,
 131         .dev            = {
 132                 .platform_data  = &nor_data,
 133         },
 134         .num_resources  = 1,
 135         .resource       = &nor_resource,
 136 };
 137
 138 static struct omap_nand_platform_data nand_data = {
 139         .options        = NAND_SAMSUNG_LP_OPTIONS,
 140 };
 141
 142 static struct resource nand_resource = {
 143         .start          = OMAP_CS3_PHYS,
 144         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
 145         .flags          = IORESOURCE_MEM,
 146 };
 147
 148 static struct platform_device nand_device = {
 149         .name           = "omapnand",
 150         .id             = 0,
 151         .dev            = {
 152                 .platform_data  = &nand_data,
 153         },
 154         .num_resources  = 1,
 155         .resource       = &nand_resource,
 156 };
 157
 158 static struct platform_device smc91x_device = {
 159         .name           = "smc91x",
 160         .id             = 0,
 161         .num_resources  = ARRAY_SIZE(smc91x_resources),
 162         .resource       = smc91x_resources,
 163 };
 164
 165 static struct resource kp_resources[] = {
 166         [0] = {
 167                 .start  = INT_730_MPUIO_KEYPAD,
 168                 .end    = INT_730_MPUIO_KEYPAD,
 169                 .flags  = IORESOURCE_IRQ,
 170         },
 171 };
 172
 173 static struct omap_kp_platform_data kp_data = {
 174         .rows           = 8,
 175         .cols           = 8,
 176         .keymap         = fsample_keymap,
 177         .keymapsize     = ARRAY_SIZE(fsample_keymap),
 178         .delay          = 4,
 179 };
 180
 181 static struct platform_device kp_device = {
 182         .name           = "omap-keypad",
 183         .id             = -1,
 184         .dev            = {
 185                 .platform_data = &kp_data,
 186         },
 187         .num_resources  = ARRAY_SIZE(kp_resources),
 188         .resource       = kp_resources,
 189 };
 190
 191 static struct platform_device lcd_device = {
 192         .name           = "lcd_p2",
 193         .id             = -1,
 194 };
 195
 196 static struct platform_device *devices[] __initdata = {
 197         &nor_device,
 198         &nand_device,
 199         &smc91x_device,
 200         &kp_device,
 201         &lcd_device,
 202 };
 203
 204 #define P2_NAND_RB_GPIO_PIN     62
 205
 206 static int nand_dev_ready(struct omap_nand_platform_data *data)
 207 {
 208         return gpio_get_value(P2_NAND_RB_GPIO_PIN);
 209 }
 210
 211 static struct omap_uart_config fsample_uart_config __initdata = {
 212         .enabled_uarts = ((1 << 0) | (1 << 1)),
 213 };
 214
 215 static struct omap_lcd_config fsample_lcd_config __initdata = {
 216         .ctrl_name      = "internal",
 217 };
 218
 219 static struct omap_board_config_kernel fsample_config[] = {
 220         { OMAP_TAG_UART,        &fsample_uart_config },
 221         { OMAP_TAG_LCD,         &fsample_lcd_config },
 222 };
 223
 224 static void __init omap_fsample_init(void)
 225 {
 226         if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 227                 BUG();
 228         nand_data.dev_ready = nand_dev_ready;
 229
 230         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 231         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 232
 233         platform_add_devices(devices, ARRAY_SIZE(devices));
 234
 235         omap_board_config = fsample_config;
 236         omap_board_config_size = ARRAY_SIZE(fsample_config);
 237         omap_serial_init();
 238         omap_register_i2c_bus(1, 100, NULL, 0);
 239 }
 240
 241 static void __init fsample_init_smc91x(void)
 242 {
 243         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
 244         mdelay(50);
 245         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
 246                    H2P2_DBG_FPGA_LAN_RESET);
 247         mdelay(50);
 248 }
 249
 250 static void __init omap_fsample_init_irq(void)
 251 {
 252         omap1_init_common_hw();
 253         omap_init_irq();
 254         omap_gpio_init();
 255         fsample_init_smc91x();
 256 }
 257
 258 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 259 static struct map_desc omap_fsample_io_desc[] __initdata = {
 260         {
 261                 .virtual        = H2P2_DBG_FPGA_BASE,
 262                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
 263                 .length         = H2P2_DBG_FPGA_SIZE,
 264                 .type           = MT_DEVICE
 265         },
 266         {
 267                 .virtual        = FSAMPLE_CPLD_BASE,
 268                 .pfn            = __phys_to_pfn(FSAMPLE_CPLD_START),
 269                 .length         = FSAMPLE_CPLD_SIZE,
 270                 .type           = MT_DEVICE
 271         }
 272 };
 273
 274 static void __init omap_fsample_map_io(void)
 275 {
 276         omap1_map_common_io();
 277         iotable_init(omap_fsample_io_desc,
 278                      ARRAY_SIZE(omap_fsample_io_desc));
 279
 280         /* Early, board-dependent init */
 281
 282         /*
 283          * Hold GSM Reset until needed
 284          */
 285         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
 286
 287         /*
 288          * UARTs -> done automagically by 8250 driver
 289          */
 290
 291         /*
 292          * CSx timings, GPIO Mux ... setup
 293          */
 294
 295         /* Flash: CS0 timings setup */
 296         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
 297         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
 298
 299         /*
 300          * Ethernet support through the debug board
 301          * CS1 timings setup
 302          */
 303         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
 304         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
 305
 306         /*
 307          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 308          * It is used as the Ethernet controller interrupt
 309          */
 310         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 311 }
 312
 313 MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
 314 /* Maintainer: Brian Swetland <swetland@google.com> */
 315         .phys_io        = 0xfff00000,
 316         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 317         .boot_params    = 0x10000100,
 318         .map_io         = omap_fsample_map_io,
 319         .init_irq       = omap_fsample_init_irq,
 320         .init_machine   = omap_fsample_init,
 321         .timer          = &omap_timer,
 322 MACHINE_END