1/* 2 * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family 3 * 4 * Covers: * AT91SAM9G45-EKES board 5 * * AT91SAM9M10G45-EK board 6 * 7 * Copyright (C) 2009 Atmel Corporation. 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 as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 */ 15 16#include <linux/types.h> 17#include <linux/init.h> 18#include <linux/mm.h> 19#include <linux/module.h> 20#include <linux/platform_device.h> 21#include <linux/spi/spi.h> 22#include <linux/fb.h> 23#include <linux/gpio_keys.h> 24#include <linux/input.h> 25#include <linux/leds.h> 26#include <linux/clk.h> 27 28#include <video/atmel_lcdc.h> 29 30#include <asm/setup.h> 31#include <asm/mach-types.h> 32#include <asm/irq.h> 33 34#include <asm/mach/arch.h> 35#include <asm/mach/map.h> 36#include <asm/mach/irq.h> 37 38#include <mach/hardware.h> 39#include <mach/board.h> 40#include <mach/gpio.h> 41#include <mach/at91sam9_smc.h> 42#include <mach/at91_shdwc.h> 43 44#include "sam9_smc.h" 45#include "generic.h" 46 47 48static void __init ek_map_io(void) 49{ 50 /* Initialize processor: 12.000 MHz crystal */ 51 at91sam9g45_initialize(12000000); 52 53 /* DGBU on ttyS0. (Rx & Tx only) */ 54 at91_register_uart(0, 0, 0); 55 56 /* USART0 not connected on the -EK board */ 57 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ 58 at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); 59 60 /* set serial console to ttyS0 (ie, DBGU) */ 61 at91_set_serial_console(0); 62} 63 64static void __init ek_init_irq(void) 65{ 66 at91sam9g45_init_interrupts(NULL); 67} 68 69 70/* 71 * USB HS Host port (common to OHCI & EHCI) 72 */ 73static struct at91_usbh_data __initdata ek_usbh_hs_data = { 74 .ports = 2, 75 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3}, 76}; 77 78 79/* 80 * USB HS Device port 81 */ 82static struct usba_platform_data __initdata ek_usba_udc_data = { 83 .vbus_pin = AT91_PIN_PB19, 84}; 85 86 87/* 88 * SPI devices. 89 */ 90static struct spi_board_info ek_spi_devices[] = { 91 { /* DataFlash chip */ 92 .modalias = "mtd_dataflash", 93 .chip_select = 0, 94 .max_speed_hz = 15 * 1000 * 1000, 95 .bus_num = 0, 96 }, 97}; 98 99 100/* 101 * MACB Ethernet device 102 */ 103static struct at91_eth_data __initdata ek_macb_data = { 104 .phy_irq_pin = AT91_PIN_PD5, 105 .is_rmii = 1, 106}; 107 108 109/* 110 * NAND flash 111 */ 112static struct mtd_partition __initdata ek_nand_partition[] = { 113 { 114 .name = "Partition 1", 115 .offset = 0, 116 .size = SZ_64M, 117 }, 118 { 119 .name = "Partition 2", 120 .offset = MTDPART_OFS_NXTBLK, 121 .size = MTDPART_SIZ_FULL, 122 }, 123}; 124 125static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) 126{ 127 *num_partitions = ARRAY_SIZE(ek_nand_partition); 128 return ek_nand_partition; 129} 130 131/* det_pin is not connected */ 132static struct atmel_nand_data __initdata ek_nand_data = { 133 .ale = 21, 134 .cle = 22, 135 .rdy_pin = AT91_PIN_PC8, 136 .enable_pin = AT91_PIN_PC14, 137 .partition_info = nand_partitions, 138#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) 139 .bus_width_16 = 1, 140#else 141 .bus_width_16 = 0, 142#endif 143}; 144 145static struct sam9_smc_config __initdata ek_nand_smc_config = { 146 .ncs_read_setup = 0, 147 .nrd_setup = 2, 148 .ncs_write_setup = 0, 149 .nwe_setup = 2, 150 151 .ncs_read_pulse = 4, 152 .nrd_pulse = 4, 153 .ncs_write_pulse = 4, 154 .nwe_pulse = 4, 155 156 .read_cycle = 7, 157 .write_cycle = 7, 158 159 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, 160 .tdf_cycles = 3, 161}; 162 163static void __init ek_add_device_nand(void) 164{ 165 /* setup bus-width (8 or 16) */ 166 if (ek_nand_data.bus_width_16) 167 ek_nand_smc_config.mode |= AT91_SMC_DBW_16; 168 else 169 ek_nand_smc_config.mode |= AT91_SMC_DBW_8; 170 171 /* configure chip-select 3 (NAND) */ 172 sam9_smc_configure(3, &ek_nand_smc_config); 173 174 at91_add_device_nand(&ek_nand_data); 175} 176 177 178/* 179 * LCD Controller 180 */ 181#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) 182static struct fb_videomode at91_tft_vga_modes[] = { 183 { 184 .name = "LG", 185 .refresh = 60, 186 .xres = 480, .yres = 272, 187 .pixclock = KHZ2PICOS(9000), 188 189 .left_margin = 1, .right_margin = 1, 190 .upper_margin = 40, .lower_margin = 1, 191 .hsync_len = 45, .vsync_len = 1, 192 193 .sync = 0, 194 .vmode = FB_VMODE_NONINTERLACED, 195 }, 196}; 197 198static struct fb_monspecs at91fb_default_monspecs = { 199 .manufacturer = "LG", 200 .monitor = "LB043WQ1", 201 202 .modedb = at91_tft_vga_modes, 203 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), 204 .hfmin = 15000, 205 .hfmax = 17640, 206 .vfmin = 57, 207 .vfmax = 67, 208}; 209 210#define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ 211 | ATMEL_LCDC_DISTYPE_TFT \ 212 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) 213 214/* Driver datas */ 215static struct atmel_lcdfb_info __initdata ek_lcdc_data = { 216 .lcdcon_is_backlight = true, 217 .default_bpp = 32, 218 .default_dmacon = ATMEL_LCDC_DMAEN, 219 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2, 220 .default_monspecs = &at91fb_default_monspecs, 221 .guard_time = 9, 222 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, 223}; 224 225#else 226static struct atmel_lcdfb_info __initdata ek_lcdc_data; 227#endif 228 229 230/* 231 * Touchscreen 232 */ 233static struct at91_tsadcc_data ek_tsadcc_data = { 234 .adc_clock = 300000, 235 .pendet_debounce = 0x0d, 236 .ts_sample_hold_time = 0x0a, 237}; 238 239 240/* 241 * GPIO Buttons 242 */ 243#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 244static struct gpio_keys_button ek_buttons[] = { 245 { /* BP1, "leftclic" */ 246 .code = BTN_LEFT, 247 .gpio = AT91_PIN_PB6, 248 .active_low = 1, 249 .desc = "left_click", 250 .wakeup = 1, 251 }, 252 { /* BP2, "rightclic" */ 253 .code = BTN_RIGHT, 254 .gpio = AT91_PIN_PB7, 255 .active_low = 1, 256 .desc = "right_click", 257 .wakeup = 1, 258 }, 259 /* BP3, "joystick" */ 260 { 261 .code = KEY_LEFT, 262 .gpio = AT91_PIN_PB14, 263 .active_low = 1, 264 .desc = "Joystick Left", 265 }, 266 { 267 .code = KEY_RIGHT, 268 .gpio = AT91_PIN_PB15, 269 .active_low = 1, 270 .desc = "Joystick Right", 271 }, 272 { 273 .code = KEY_UP, 274 .gpio = AT91_PIN_PB16, 275 .active_low = 1, 276 .desc = "Joystick Up", 277 }, 278 { 279 .code = KEY_DOWN, 280 .gpio = AT91_PIN_PB17, 281 .active_low = 1, 282 .desc = "Joystick Down", 283 }, 284 { 285 .code = KEY_ENTER, 286 .gpio = AT91_PIN_PB18, 287 .active_low = 1, 288 .desc = "Joystick Press", 289 }, 290}; 291 292static struct gpio_keys_platform_data ek_button_data = { 293 .buttons = ek_buttons, 294 .nbuttons = ARRAY_SIZE(ek_buttons), 295}; 296 297static struct platform_device ek_button_device = { 298 .name = "gpio-keys", 299 .id = -1, 300 .num_resources = 0, 301 .dev = { 302 .platform_data = &ek_button_data, 303 } 304}; 305 306static void __init ek_add_device_buttons(void) 307{ 308 int i; 309 310 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) { 311 at91_set_GPIO_periph(ek_buttons[i].gpio, 1); 312 at91_set_deglitch(ek_buttons[i].gpio, 1); 313 } 314 315 platform_device_register(&ek_button_device); 316} 317#else 318static void __init ek_add_device_buttons(void) {} 319#endif 320 321 322/* 323 * AC97 324 * reset_pin is not connected: NRST 325 */ 326static struct ac97c_platform_data ek_ac97_data = { 327}; 328 329 330/* 331 * LEDs ... these could all be PWM-driven, for variable brightness 332 */ 333static struct gpio_led ek_leds[] = { 334 { /* "top" led, red, powerled */ 335 .name = "d8", 336 .gpio = AT91_PIN_PD30, 337 .default_trigger = "heartbeat", 338 }, 339 { /* "left" led, green, userled2, pwm3 */ 340 .name = "d6", 341 .gpio = AT91_PIN_PD0, 342 .active_low = 1, 343 .default_trigger = "nand-disk", 344 }, 345#if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)) 346 { /* "right" led, green, userled1, pwm1 */ 347 .name = "d7", 348 .gpio = AT91_PIN_PD31, 349 .active_low = 1, 350 .default_trigger = "mmc0", 351 }, 352#endif 353}; 354 355 356/* 357 * PWM Leds 358 */ 359static struct gpio_led ek_pwm_led[] = { 360#if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE) 361 { /* "right" led, green, userled1, pwm1 */ 362 .name = "d7", 363 .gpio = 1, /* is PWM channel number */ 364 .active_low = 1, 365 .default_trigger = "none", 366 }, 367#endif 368}; 369 370 371 372static void __init ek_board_init(void) 373{ 374 /* Serial */ 375 at91_add_device_serial(); 376 /* USB HS Host */ 377 at91_add_device_usbh_ohci(&ek_usbh_hs_data); 378 at91_add_device_usbh_ehci(&ek_usbh_hs_data); 379 /* USB HS Device */ 380 at91_add_device_usba(&ek_usba_udc_data); 381 /* SPI */ 382 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); 383 /* Ethernet */ 384 at91_add_device_eth(&ek_macb_data); 385 /* NAND */ 386 ek_add_device_nand(); 387 /* I2C */ 388 at91_add_device_i2c(0, NULL, 0); 389 /* LCD Controller */ 390 at91_add_device_lcdc(&ek_lcdc_data); 391 /* Touch Screen */ 392 at91_add_device_tsadcc(&ek_tsadcc_data); 393 /* Push Buttons */ 394 ek_add_device_buttons(); 395 /* AC97 */ 396 at91_add_device_ac97(&ek_ac97_data); 397 /* LEDs */ 398 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); 399 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led)); 400} 401 402MACHINE_START(AT91SAM9G45EKES, "Atmel AT91SAM9G45-EKES") 403 /* Maintainer: Atmel */ 404 .phys_io = AT91_BASE_SYS, 405 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 406 .boot_params = AT91_SDRAM_BASE + 0x100, 407 .timer = &at91sam926x_timer, 408 .map_io = ek_map_io, 409 .init_irq = ek_init_irq, 410 .init_machine = ek_board_init, 411MACHINE_END 412