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
  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
  37 static int p2_keymap[] = {
  38         KEY(0,0,KEY_UP),
  39         KEY(0,1,KEY_RIGHT),
  40         KEY(0,2,KEY_LEFT),
  41         KEY(0,3,KEY_DOWN),
  42         KEY(0,4,KEY_CENTER),
  43         KEY(0,5,KEY_0_5),
  44         KEY(1,0,KEY_SOFT2),
  45         KEY(1,1,KEY_SEND),
  46         KEY(1,2,KEY_END),
  47         KEY(1,3,KEY_VOLUMEDOWN),
  48         KEY(1,4,KEY_VOLUMEUP),
  49         KEY(1,5,KEY_RECORD),
  50         KEY(2,0,KEY_SOFT1),
  51         KEY(2,1,KEY_3),
  52         KEY(2,2,KEY_6),
  53         KEY(2,3,KEY_9),
  54         KEY(2,4,KEY_SHARP),
  55         KEY(2,5,KEY_2_5),
  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_HEADSETHOOK),
  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_STAR),
  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,
  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 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 = p2_keymap,
 177 };
 178
 179 static struct platform_device kp_device = {
 180         .name           = "omap-keypad",
 181         .id             = -1,
 182         .dev            = {
 183                 .platform_data = &kp_data,
 184         },
 185         .num_resources  = ARRAY_SIZE(kp_resources),
 186         .resource       = kp_resources,
 187 };
 188
 189 static struct platform_device lcd_device = {
 190         .name           = "lcd_p2",
 191         .id             = -1,
 192 };
 193
 194 static struct platform_device *devices[] __initdata = {
 195         &nor_device,
 196         &nand_device,
 197         &smc91x_device,
 198         &kp_device,
 199         &lcd_device,
 200 };
 201
 202 #define P2_NAND_RB_GPIO_PIN     62
 203
 204 static int nand_dev_ready(struct nand_platform_data *data)
 205 {
 206         return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
 207 }
 208
 209 static struct omap_uart_config perseus2_uart_config __initdata = {
 210         .enabled_uarts = ((1 << 0) | (1 << 1)),
 211 };
 212
 213 static struct omap_lcd_config perseus2_lcd_config __initdata = {
 214         .ctrl_name      = "internal",
 215 };
 216
 217 static struct omap_board_config_kernel perseus2_config[] = {
 218         { OMAP_TAG_UART,        &perseus2_uart_config },
 219         { OMAP_TAG_LCD,         &perseus2_lcd_config },
 220 };
 221
 222 static void __init omap_perseus2_init(void)
 223 {
 224         if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
 225                 nand_data.dev_ready = nand_dev_ready;
 226
 227         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 228         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 229
 230         platform_add_devices(devices, ARRAY_SIZE(devices));
 231
 232         omap_board_config = perseus2_config;
 233         omap_board_config_size = ARRAY_SIZE(perseus2_config);
 234         omap_serial_init();
 235 }
 236
 237 static void __init perseus2_init_smc91x(void)
 238 {
 239         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
 240         mdelay(50);
 241         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
 242                    H2P2_DBG_FPGA_LAN_RESET);
 243         mdelay(50);
 244 }
 245
 246 void omap_perseus2_init_irq(void)
 247 {
 248         omap1_init_common_hw();
 249         omap_init_irq();
 250         omap_gpio_init();
 251         perseus2_init_smc91x();
 252 }
 253 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 254 static struct map_desc omap_perseus2_io_desc[] __initdata = {
 255         {
 256                 .virtual        = H2P2_DBG_FPGA_BASE,
 257                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
 258                 .length         = H2P2_DBG_FPGA_SIZE,
 259                 .type           = MT_DEVICE
 260         }
 261 };
 262
 263 static void __init omap_perseus2_map_io(void)
 264 {
 265         omap1_map_common_io();
 266         iotable_init(omap_perseus2_io_desc,
 267                      ARRAY_SIZE(omap_perseus2_io_desc));
 268
 269         /* Early, board-dependent init */
 270
 271         /*
 272          * Hold GSM Reset until needed
 273          */
 274         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
 275
 276         /*
 277          * UARTs -> done automagically by 8250 driver
 278          */
 279
 280         /*
 281          * CSx timings, GPIO Mux ... setup
 282          */
 283
 284         /* Flash: CS0 timings setup */
 285         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
 286         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
 287
 288         /*
 289          * Ethernet support through the debug board
 290          * CS1 timings setup
 291          */
 292         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
 293         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
 294
 295         /*
 296          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 297          * It is used as the Ethernet controller interrupt
 298          */
 299         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 300 }
 301
 302 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 303         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
 304         .phys_io        = 0xfff00000,
 305         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 306         .boot_params    = 0x10000100,
 307         .map_io         = omap_perseus2_map_io,
 308         .init_irq       = omap_perseus2_init_irq,
 309         .init_machine   = omap_perseus2_init,
 310         .timer          = &omap_timer,
 311 MACHINE_END