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_ENTER),
  43         KEY(1,0,KEY_F10),
  44         KEY(1,1,KEY_SEND),
  45         KEY(1,2,KEY_END),
  46         KEY(1,3,KEY_VOLUMEDOWN),
  47         KEY(1,4,KEY_VOLUMEUP),
  48         KEY(1,5,KEY_RECORD),
  49         KEY(2,0,KEY_F9),
  50         KEY(2,1,KEY_3),
  51         KEY(2,2,KEY_6),
  52         KEY(2,3,KEY_9),
  53         KEY(2,4,KEY_KPDOT),
  54         KEY(3,0,KEY_BACK),
  55         KEY(3,1,KEY_2),
  56         KEY(3,2,KEY_5),
  57         KEY(3,3,KEY_8),
  58         KEY(3,4,KEY_0),
  59         KEY(3,5,KEY_KPSLASH),
  60         KEY(4,0,KEY_HOME),
  61         KEY(4,1,KEY_1),
  62         KEY(4,2,KEY_4),
  63         KEY(4,3,KEY_7),
  64         KEY(4,4,KEY_KPASTERISK),
  65         KEY(4,5,KEY_POWER),
  66         0
  67 };
  68
  69 static struct resource smc91x_resources[] = {
  70         [0] = {
  71                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
  72                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
  73                 .flags  = IORESOURCE_MEM,
  74         },
  75         [1] = {
  76                 .start  = INT_730_MPU_EXT_NIRQ,
  77                 .end    = 0,
  78                 .flags  = IORESOURCE_IRQ,
  79         },
  80 };
  81
  82 static struct mtd_partition nor_partitions[] = {
  83         /* bootloader (U-Boot, etc) in first sector */
  84         {
  85               .name             = "bootloader",
  86               .offset           = 0,
  87               .size             = SZ_128K,
  88               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  89         },
  90         /* bootloader params in the next sector */
  91         {
  92               .name             = "params",
  93               .offset           = MTDPART_OFS_APPEND,
  94               .size             = SZ_128K,
  95               .mask_flags       = 0,
  96         },
  97         /* kernel */
  98         {
  99               .name             = "kernel",
 100               .offset           = MTDPART_OFS_APPEND,
 101               .size             = SZ_2M,
 102               .mask_flags       = 0
 103         },
 104         /* rest of flash is a file system */
 105         {
 106               .name             = "rootfs",
 107               .offset           = MTDPART_OFS_APPEND,
 108               .size             = MTDPART_SIZ_FULL,
 109               .mask_flags       = 0
 110         },
 111 };
 112
 113 static struct flash_platform_data nor_data = {
 114         .map_name       = "cfi_probe",
 115         .width          = 2,
 116         .parts          = nor_partitions,
 117         .nr_parts       = ARRAY_SIZE(nor_partitions),
 118 };
 119
 120 static struct resource nor_resource = {
 121         .start          = OMAP_CS0_PHYS,
 122         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 123         .flags          = IORESOURCE_MEM,
 124 };
 125
 126 static struct platform_device nor_device = {
 127         .name           = "omapflash",
 128         .id             = 0,
 129         .dev            = {
 130                 .platform_data  = &nor_data,
 131         },
 132         .num_resources  = 1,
 133         .resource       = &nor_resource,
 134 };
 135
 136 static struct nand_platform_data nand_data = {
 137         .options        = NAND_SAMSUNG_LP_OPTIONS,
 138 };
 139
 140 static struct resource nand_resource = {
 141         .start          = OMAP_CS3_PHYS,
 142         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
 143         .flags          = IORESOURCE_MEM,
 144 };
 145
 146 static struct platform_device nand_device = {
 147         .name           = "omapnand",
 148         .id             = 0,
 149         .dev            = {
 150                 .platform_data  = &nand_data,
 151         },
 152         .num_resources  = 1,
 153         .resource       = &nand_resource,
 154 };
 155
 156 static struct platform_device smc91x_device = {
 157         .name           = "smc91x",
 158         .id             = 0,
 159         .num_resources  = ARRAY_SIZE(smc91x_resources),
 160         .resource       = smc91x_resources,
 161 };
 162
 163 static struct resource kp_resources[] = {
 164         [0] = {
 165                 .start  = INT_730_MPUIO_KEYPAD,
 166                 .end    = INT_730_MPUIO_KEYPAD,
 167                 .flags  = IORESOURCE_IRQ,
 168         },
 169 };
 170
 171 static struct omap_kp_platform_data kp_data = {
 172         .rows           = 8,
 173         .cols           = 8,
 174         .keymap         = p2_keymap,
 175         .keymapsize     = ARRAY_SIZE(p2_keymap),
 176         .delay          = 4,
 177         .dbounce        = 1,
 178 };
 179
 180 static struct platform_device kp_device = {
 181         .name           = "omap-keypad",
 182         .id             = -1,
 183         .dev            = {
 184                 .platform_data = &kp_data,
 185         },
 186         .num_resources  = ARRAY_SIZE(kp_resources),
 187         .resource       = kp_resources,
 188 };
 189
 190 static struct platform_device lcd_device = {
 191         .name           = "lcd_p2",
 192         .id             = -1,
 193 };
 194
 195 static struct platform_device *devices[] __initdata = {
 196         &nor_device,
 197         &nand_device,
 198         &smc91x_device,
 199         &kp_device,
 200         &lcd_device,
 201 };
 202
 203 #define P2_NAND_RB_GPIO_PIN     62
 204
 205 static int nand_dev_ready(struct nand_platform_data *data)
 206 {
 207         return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
 208 }
 209
 210 static struct omap_uart_config perseus2_uart_config __initdata = {
 211         .enabled_uarts = ((1 << 0) | (1 << 1)),
 212 };
 213
 214 static struct omap_lcd_config perseus2_lcd_config __initdata = {
 215         .ctrl_name      = "internal",
 216 };
 217
 218 static struct omap_board_config_kernel perseus2_config[] = {
 219         { OMAP_TAG_UART,        &perseus2_uart_config },
 220         { OMAP_TAG_LCD,         &perseus2_lcd_config },
 221 };
 222
 223 static void __init omap_perseus2_init(void)
 224 {
 225         if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
 226                 nand_data.dev_ready = nand_dev_ready;
 227
 228         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 229         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 230
 231         platform_add_devices(devices, ARRAY_SIZE(devices));
 232
 233         omap_board_config = perseus2_config;
 234         omap_board_config_size = ARRAY_SIZE(perseus2_config);
 235         omap_serial_init();
 236 }
 237
 238 static void __init perseus2_init_smc91x(void)
 239 {
 240         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
 241         mdelay(50);
 242         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
 243                    H2P2_DBG_FPGA_LAN_RESET);
 244         mdelay(50);
 245 }
 246
 247 static void __init omap_perseus2_init_irq(void)
 248 {
 249         omap1_init_common_hw();
 250         omap_init_irq();
 251         omap_gpio_init();
 252         perseus2_init_smc91x();
 253 }
 254 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 255 static struct map_desc omap_perseus2_io_desc[] __initdata = {
 256         {
 257                 .virtual        = H2P2_DBG_FPGA_BASE,
 258                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
 259                 .length         = H2P2_DBG_FPGA_SIZE,
 260                 .type           = MT_DEVICE
 261         }
 262 };
 263
 264 static void __init omap_perseus2_map_io(void)
 265 {
 266         omap1_map_common_io();
 267         iotable_init(omap_perseus2_io_desc,
 268                      ARRAY_SIZE(omap_perseus2_io_desc));
 269
 270         /* Early, board-dependent init */
 271
 272         /*
 273          * Hold GSM Reset until needed
 274          */
 275         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
 276
 277         /*
 278          * UARTs -> done automagically by 8250 driver
 279          */
 280
 281         /*
 282          * CSx timings, GPIO Mux ... setup
 283          */
 284
 285         /* Flash: CS0 timings setup */
 286         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
 287         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
 288
 289         /*
 290          * Ethernet support through the debug board
 291          * CS1 timings setup
 292          */
 293         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
 294         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
 295
 296         /*
 297          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
 298          * It is used as the Ethernet controller interrupt
 299          */
 300         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
 301 }
 302
 303 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 304         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
 305         .phys_io        = 0xfff00000,
 306         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 307         .boot_params    = 0x10000100,
 308         .map_io         = omap_perseus2_map_io,
 309         .init_irq       = omap_perseus2_init_irq,
 310         .init_machine   = omap_perseus2_init,
 311         .timer          = &omap_timer,
 312 MACHINE_END