release/src-rt-6.x/linux/linux-2.6/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 <asm/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 <asm/arch/tc.h>
  30 #include <asm/arch/gpio.h>
  31 #include <asm/arch/mux.h>
  32 #include <asm/arch/fpga.h>
  33 #include <asm/arch/keypad.h>
  34 #include <asm/arch/common.h>
  35 #include <asm/arch/board.h>
  36 #include <asm/arch/board-fsample.h>
  37
  38 static int fsample_keymap[] = {
  39         KEY(0,0,KEY_UP),
  40         KEY(0,1,KEY_RIGHT),
  41         KEY(0,2,KEY_LEFT),
  42         KEY(0,3,KEY_DOWN),
  43         KEY(0,4,KEY_CENTER),
  44         KEY(0,5,KEY_0_5),
  45         KEY(1,0,KEY_SOFT2),
  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_SOFT1),
  52         KEY(2,1,KEY_3),
  53         KEY(2,2,KEY_6),
  54         KEY(2,3,KEY_9),
  55         KEY(2,4,KEY_SHARP),
  56         KEY(2,5,KEY_2_5),
  57         KEY(3,0,KEY_BACK),
  58         KEY(3,1,KEY_2),
  59         KEY(3,2,KEY_5),
  60         KEY(3,3,KEY_8),
  61         KEY(3,4,KEY_0),
  62         KEY(3,5,KEY_HEADSETHOOK),
  63         KEY(4,0,KEY_HOME),
  64         KEY(4,1,KEY_1),
  65         KEY(4,2,KEY_4),
  66         KEY(4,3,KEY_7),
  67         KEY(4,4,KEY_STAR),
  68         KEY(4,5,KEY_POWER),
  69         0
  70 };
  71
  72 static struct resource smc91x_resources[] = {
  73         [0] = {
  74                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
  75                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
  76                 .flags  = IORESOURCE_MEM,
  77         },
  78         [1] = {
  79                 .start  = INT_730_MPU_EXT_NIRQ,
  80                 .end    = 0,
  81                 .flags  = IORESOURCE_IRQ,
  82         },
  83 };
  84
  85 static struct mtd_partition nor_partitions[] = {
  86         /* bootloader (U-Boot, etc) in first sector */
  87         {
  88               .name             = "bootloader",
  89               .offset           = 0,
  90               .size             = SZ_128K,
  91               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  92         },
  93         /* bootloader params in the next sector */
  94         {
  95               .name             = "params",
  96               .offset           = MTDPART_OFS_APPEND,
  97               .size             = SZ_128K,
  98               .mask_flags       = 0,
  99         },
 100         /* kernel */
 101         {
 102               .name             = "kernel",
 103               .offset           = MTDPART_OFS_APPEND,
 104               .size             = SZ_2M,
 105               .mask_flags       = 0
 106         },
 107         /* rest of flash is a file system */
 108         {
 109               .name             = "rootfs",
 110               .offset           = MTDPART_OFS_APPEND,
 111               .size             = MTDPART_SIZ_FULL,
 112               .mask_flags       = 0
 113         },
 114 };
 115
 116 static struct flash_platform_data nor_data = {
 117         .map_name       = "cfi_probe",
 118         .width          = 2,
 119         .parts          = nor_partitions,
 120         .nr_parts       = ARRAY_SIZE(nor_partitions),
 121 };
 122
 123 static struct resource nor_resource = {
 124         .start          = OMAP_CS0_PHYS,
 125         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 126         .flags          = IORESOURCE_MEM,
 127 };
 128
 129 static struct platform_device nor_device = {
 130         .name           = "omapflash",
 131         .id             = 0,
 132         .dev            = {
 133                 .platform_data  = &nor_data,
 134         },
 135         .num_resources  = 1,
 136         .resource       = &nor_resource,
 137 };
 138
 139 static struct nand_platform_data nand_data = {
 140         .options        = NAND_SAMSUNG_LP_OPTIONS,
 141 };
 142
 143 static struct resource nand_resource = {
 144         .start          = OMAP_CS3_PHYS,
 145         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
 146         .flags          = IORESOURCE_MEM,
 147 };
 148
 149 static struct platform_device nand_device = {
 150         .name           = "omapnand",
 151         .id             = 0,
 152         .dev            = {
 153                 .platform_data  = &nand_data,
 154         },
 155         .num_resources  = 1,
 156         .resource       = &nand_resource,
 157 };
 158
 159 static struct platform_device smc91x_device = {
 160         .name           = "smc91x",
 161         .id             = 0,
 162         .num_resources  = ARRAY_SIZE(smc91x_resources),
 163         .resource       = smc91x_resources,
 164 };
 165
 166 static struct resource kp_resources[] = {
 167         [0] = {
 168                 .start  = INT_730_MPUIO_KEYPAD,
 169                 .end    = INT_730_MPUIO_KEYPAD,
 170                 .flags  = IORESOURCE_IRQ,
 171         },
 172 };
 173
 174 static struct omap_kp_platform_data kp_data = {
 175         .rows           = 8,
 176         .cols           = 8,
 177         .keymap         = fsample_keymap,
 178         .keymapsize     = ARRAY_SIZE(fsample_keymap),
 179         .delay          = 4,
 180 };
 181
 182 static struct platform_device kp_device = {
 183         .name           = "omap-keypad",
 184         .id             = -1,
 185         .dev            = {
 186                 .platform_data = &kp_data,
 187         },
 188         .num_resources  = ARRAY_SIZE(kp_resources),
 189         .resource       = kp_resources,
 190 };
 191
 192 static struct platform_device lcd_device = {
 193         .name           = "lcd_p2",
 194         .id             = -1,
 195 };
 196
 197 static struct platform_device *devices[] __initdata = {
 198         &nor_device,
 199         &nand_device,
 200         &smc91x_device,
 201         &kp_device,
 202         &lcd_device,
 203 };
 204
 205 #define P2_NAND_RB_GPIO_PIN     62
 206
 207 static int nand_dev_ready(struct nand_platform_data *data)
 208 {
 209         return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
 210 }
 211
 212 static struct omap_uart_config fsample_uart_config __initdata = {
 213         .enabled_uarts = ((1 << 0) | (1 << 1)),
 214 };
 215
 216 static struct omap_lcd_config fsample_lcd_config __initdata = {
 217         .ctrl_name      = "internal",
 218 };
 219
 220 static struct omap_board_config_kernel fsample_config[] = {
 221         { OMAP_TAG_UART,        &fsample_uart_config },
 222         { OMAP_TAG_LCD,         &fsample_lcd_config },
 223 };
 224
 225 static void __init omap_fsample_init(void)
 226 {
 227         if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
 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 }
 239
 240 static void __init fsample_init_smc91x(void)
 241 {
 242         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
 243         mdelay(50);
 244         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
 245                    H2P2_DBG_FPGA_LAN_RESET);
 246         mdelay(50);
 247 }
 248
 249 static void __init omap_fsample_init_irq(void)
 250 {
 251         omap1_init_common_hw();
 252         omap_init_irq();
 253         omap_gpio_init();
 254         fsample_init_smc91x();
 255 }
 256
 257 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 258 static struct map_desc omap_fsample_io_desc[] __initdata = {
 259         {
 260                 .virtual        = H2P2_DBG_FPGA_BASE,
 261                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
 262                 .length         = H2P2_DBG_FPGA_SIZE,
 263                 .type           = MT_DEVICE
 264         },
 265         {
 266                 .virtual        = FSAMPLE_CPLD_BASE,
 267                 .pfn            = __phys_to_pfn(FSAMPLE_CPLD_START),
 268                 .length         = FSAMPLE_CPLD_SIZE,
 269                 .type           = MT_DEVICE
 270         }
 271 };
 272
 273 static void __init omap_fsample_map_io(void)
 274 {
 275         omap1_map_common_io();
 276         iotable_init(omap_fsample_io_desc,
 277                      ARRAY_SIZE(omap_fsample_io_desc));
 278
 279         /* Early, board-dependent init */
 280
 281         /*
 282          * Hold GSM Reset until needed
 283          */
 284         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
 285
 286         /*
 287          * UARTs -> done automagically by 8250 driver
 288          */
 289
 290         /*
 291          * CSx timings, GPIO Mux ... setup
 292          */
 293
 294         /* Flash: CS0 timings setup */
 295         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
 296         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
 297
 298         /*
 299          * Ethernet support through the debug board
 300          * CS1 timings setup
 301          */
 302         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
 303         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
 304
 305         /*
 306          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 307          * It is used as the Ethernet controller interrupt
 308          */
 309         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 310 }
 311
 312 MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
 313 /* Maintainer: Brian Swetland <swetland@google.com> */
 314         .phys_io        = 0xfff00000,
 315         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 316         .boot_params    = 0x10000100,
 317         .map_io         = omap_fsample_map_io,
 318         .init_irq       = omap_fsample_init_irq,
 319         .init_machine   = omap_fsample_init,
 320         .timer          = &omap_timer,
 321 MACHINE_END