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/mtd/physmap.h> 22#include <linux/input.h> 23#include <linux/smc91x.h> 24 25#include <mach/hardware.h> 26#include <asm/mach-types.h> 27#include <asm/mach/arch.h> 28#include <asm/mach/map.h> 29 30#include <plat/tc.h> 31#include <mach/gpio.h> 32#include <plat/mux.h> 33#include <plat/fpga.h> 34#include <plat/flash.h> 35#include <plat/keypad.h> 36#include <plat/common.h> 37#include <plat/board.h> 38 39static int p2_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 71static struct smc91x_platdata smc91x_info = { 72 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, 73 .leda = RPC_LED_100_10, 74 .ledb = RPC_LED_TX_RX, 75}; 76 77static struct resource smc91x_resources[] = { 78 [0] = { 79 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */ 80 .end = H2P2_DBG_FPGA_ETHR_START + 0xf, 81 .flags = IORESOURCE_MEM, 82 }, 83 [1] = { 84 .start = INT_7XX_MPU_EXT_NIRQ, 85 .end = 0, 86 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 87 }, 88}; 89 90static struct mtd_partition nor_partitions[] = { 91 /* bootloader (U-Boot, etc) in first sector */ 92 { 93 .name = "bootloader", 94 .offset = 0, 95 .size = SZ_128K, 96 .mask_flags = MTD_WRITEABLE, /* force read-only */ 97 }, 98 /* bootloader params in the next sector */ 99 { 100 .name = "params", 101 .offset = MTDPART_OFS_APPEND, 102 .size = SZ_128K, 103 .mask_flags = 0, 104 }, 105 /* kernel */ 106 { 107 .name = "kernel", 108 .offset = MTDPART_OFS_APPEND, 109 .size = SZ_2M, 110 .mask_flags = 0 111 }, 112 /* rest of flash is a file system */ 113 { 114 .name = "rootfs", 115 .offset = MTDPART_OFS_APPEND, 116 .size = MTDPART_SIZ_FULL, 117 .mask_flags = 0 118 }, 119}; 120 121static struct physmap_flash_data nor_data = { 122 .width = 2, 123 .set_vpp = omap1_set_vpp, 124 .parts = nor_partitions, 125 .nr_parts = ARRAY_SIZE(nor_partitions), 126}; 127 128static struct resource nor_resource = { 129 .start = OMAP_CS0_PHYS, 130 .end = OMAP_CS0_PHYS + SZ_32M - 1, 131 .flags = IORESOURCE_MEM, 132}; 133 134static struct platform_device nor_device = { 135 .name = "physmap-flash", 136 .id = 0, 137 .dev = { 138 .platform_data = &nor_data, 139 }, 140 .num_resources = 1, 141 .resource = &nor_resource, 142}; 143 144static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl) 145{ 146 struct nand_chip *this = mtd->priv; 147 unsigned long mask; 148 149 if (cmd == NAND_CMD_NONE) 150 return; 151 152 mask = (ctrl & NAND_CLE) ? 0x02 : 0; 153 if (ctrl & NAND_ALE) 154 mask |= 0x04; 155 writeb(cmd, (unsigned long)this->IO_ADDR_W | mask); 156} 157 158#define P2_NAND_RB_GPIO_PIN 62 159 160static int nand_dev_ready(struct mtd_info *mtd) 161{ 162 return gpio_get_value(P2_NAND_RB_GPIO_PIN); 163} 164 165static const char *part_probes[] = { "cmdlinepart", NULL }; 166 167static struct platform_nand_data nand_data = { 168 .chip = { 169 .nr_chips = 1, 170 .chip_offset = 0, 171 .options = NAND_SAMSUNG_LP_OPTIONS, 172 .part_probe_types = part_probes, 173 }, 174 .ctrl = { 175 .cmd_ctrl = nand_cmd_ctl, 176 .dev_ready = nand_dev_ready, 177 }, 178}; 179 180static struct resource nand_resource = { 181 .start = OMAP_CS3_PHYS, 182 .end = OMAP_CS3_PHYS + SZ_4K - 1, 183 .flags = IORESOURCE_MEM, 184}; 185 186static struct platform_device nand_device = { 187 .name = "gen_nand", 188 .id = 0, 189 .dev = { 190 .platform_data = &nand_data, 191 }, 192 .num_resources = 1, 193 .resource = &nand_resource, 194}; 195 196static struct platform_device smc91x_device = { 197 .name = "smc91x", 198 .id = 0, 199 .dev = { 200 .platform_data = &smc91x_info, 201 }, 202 .num_resources = ARRAY_SIZE(smc91x_resources), 203 .resource = smc91x_resources, 204}; 205 206static struct resource kp_resources[] = { 207 [0] = { 208 .start = INT_7XX_MPUIO_KEYPAD, 209 .end = INT_7XX_MPUIO_KEYPAD, 210 .flags = IORESOURCE_IRQ, 211 }, 212}; 213 214static struct omap_kp_platform_data kp_data = { 215 .rows = 8, 216 .cols = 8, 217 .keymap = p2_keymap, 218 .keymapsize = ARRAY_SIZE(p2_keymap), 219 .delay = 4, 220 .dbounce = 1, 221}; 222 223static struct platform_device kp_device = { 224 .name = "omap-keypad", 225 .id = -1, 226 .dev = { 227 .platform_data = &kp_data, 228 }, 229 .num_resources = ARRAY_SIZE(kp_resources), 230 .resource = kp_resources, 231}; 232 233static struct platform_device lcd_device = { 234 .name = "lcd_p2", 235 .id = -1, 236}; 237 238static struct platform_device *devices[] __initdata = { 239 &nor_device, 240 &nand_device, 241 &smc91x_device, 242 &kp_device, 243 &lcd_device, 244}; 245 246static struct omap_lcd_config perseus2_lcd_config __initdata = { 247 .ctrl_name = "internal", 248}; 249 250static struct omap_board_config_kernel perseus2_config[] __initdata = { 251 { OMAP_TAG_LCD, &perseus2_lcd_config }, 252}; 253 254static void __init omap_perseus2_init(void) 255{ 256 if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0) 257 BUG(); 258 gpio_direction_input(P2_NAND_RB_GPIO_PIN); 259 260 omap_cfg_reg(L3_1610_FLASH_CS2B_OE); 261 omap_cfg_reg(M8_1610_FLASH_CS2B_WE); 262 263 /* Mux pins for keypad */ 264 omap_cfg_reg(E2_7XX_KBR0); 265 omap_cfg_reg(J7_7XX_KBR1); 266 omap_cfg_reg(E1_7XX_KBR2); 267 omap_cfg_reg(F3_7XX_KBR3); 268 omap_cfg_reg(D2_7XX_KBR4); 269 omap_cfg_reg(C2_7XX_KBC0); 270 omap_cfg_reg(D3_7XX_KBC1); 271 omap_cfg_reg(E4_7XX_KBC2); 272 omap_cfg_reg(F4_7XX_KBC3); 273 omap_cfg_reg(E3_7XX_KBC4); 274 275 platform_add_devices(devices, ARRAY_SIZE(devices)); 276 277 omap_board_config = perseus2_config; 278 omap_board_config_size = ARRAY_SIZE(perseus2_config); 279 omap_serial_init(); 280 omap_register_i2c_bus(1, 100, NULL, 0); 281} 282 283static void __init perseus2_init_smc91x(void) 284{ 285 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); 286 mdelay(50); 287 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, 288 H2P2_DBG_FPGA_LAN_RESET); 289 mdelay(50); 290} 291 292static void __init omap_perseus2_init_irq(void) 293{ 294 omap1_init_common_hw(); 295 omap_init_irq(); 296 omap_gpio_init(); 297 perseus2_init_smc91x(); 298} 299/* Only FPGA needs to be mapped here. All others are done with ioremap */ 300static struct map_desc omap_perseus2_io_desc[] __initdata = { 301 { 302 .virtual = H2P2_DBG_FPGA_BASE, 303 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START), 304 .length = H2P2_DBG_FPGA_SIZE, 305 .type = MT_DEVICE 306 } 307}; 308 309static void __init omap_perseus2_map_io(void) 310{ 311 omap1_map_common_io(); 312 iotable_init(omap_perseus2_io_desc, 313 ARRAY_SIZE(omap_perseus2_io_desc)); 314 315 /* Early, board-dependent init */ 316 317 /* 318 * Hold GSM Reset until needed 319 */ 320 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL); 321 322 /* 323 * UARTs -> done automagically by 8250 driver 324 */ 325 326 /* 327 * CSx timings, GPIO Mux ... setup 328 */ 329 330 /* Flash: CS0 timings setup */ 331 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0); 332 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0); 333 334 /* 335 * Ethernet support through the debug board 336 * CS1 timings setup 337 */ 338 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1); 339 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1); 340 341 /* 342 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register, 343 * It is used as the Ethernet controller interrupt 344 */ 345 omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9); 346} 347 348MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2") 349 /* Maintainer: Kevin Hilman <kjh@hilman.org> */ 350 .phys_io = 0xfff00000, 351 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, 352 .boot_params = 0x10000100, 353 .map_io = omap_perseus2_map_io, 354 .reserve = omap_reserve, 355 .init_irq = omap_perseus2_init_irq, 356 .init_machine = omap_perseus2_init, 357 .timer = &omap_timer, 358MACHINE_END 359