1/* 2 * linux/arch/arm/mach-at91/board-cpu9krea.c 3 * 4 * Copyright (C) 2005 SAN People 5 * Copyright (C) 2006 Atmel 6 * Copyright (C) 2009 Eric Benard - eric@eukrea.com 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23#include <linux/types.h> 24#include <linux/init.h> 25#include <linux/mm.h> 26#include <linux/module.h> 27#include <linux/platform_device.h> 28#include <linux/clk.h> 29#include <linux/gpio_keys.h> 30#include <linux/input.h> 31#include <linux/mtd/physmap.h> 32 33#include <asm/setup.h> 34#include <asm/mach-types.h> 35#include <asm/irq.h> 36 37#include <asm/mach/arch.h> 38#include <asm/mach/map.h> 39#include <asm/mach/irq.h> 40 41#include <mach/hardware.h> 42#include <mach/board.h> 43#include <mach/gpio.h> 44#include <mach/at91sam9_smc.h> 45#include <mach/at91sam9260_matrix.h> 46 47#include "sam9_smc.h" 48#include "generic.h" 49 50static void __init cpu9krea_map_io(void) 51{ 52 /* Initialize processor: 18.432 MHz crystal */ 53 at91sam9260_initialize(18432000); 54 55 /* DGBU on ttyS0. (Rx & Tx only) */ 56 at91_register_uart(0, 0, 0); 57 58 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ 59 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | 60 ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR | 61 ATMEL_UART_DCD | ATMEL_UART_RI); 62 63 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ 64 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | 65 ATMEL_UART_RTS); 66 67 /* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */ 68 at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | 69 ATMEL_UART_RTS); 70 71 /* USART3 on ttyS4. (Rx, Tx) */ 72 at91_register_uart(AT91SAM9260_ID_US3, 4, 0); 73 74 /* USART4 on ttyS5. (Rx, Tx) */ 75 at91_register_uart(AT91SAM9260_ID_US4, 5, 0); 76 77 /* USART5 on ttyS6. (Rx, Tx) */ 78 at91_register_uart(AT91SAM9260_ID_US5, 6, 0); 79 80 /* set serial console to ttyS0 (ie, DBGU) */ 81 at91_set_serial_console(0); 82} 83 84static void __init cpu9krea_init_irq(void) 85{ 86 at91sam9260_init_interrupts(NULL); 87} 88 89/* 90 * USB Host port 91 */ 92static struct at91_usbh_data __initdata cpu9krea_usbh_data = { 93 .ports = 2, 94}; 95 96/* 97 * USB Device port 98 */ 99static struct at91_udc_data __initdata cpu9krea_udc_data = { 100 .vbus_pin = AT91_PIN_PC8, 101 .pullup_pin = 0, /* pull-up driven by UDC */ 102}; 103 104/* 105 * MACB Ethernet device 106 */ 107static struct at91_eth_data __initdata cpu9krea_macb_data = { 108 .is_rmii = 1, 109}; 110 111/* 112 * NAND flash 113 */ 114static struct atmel_nand_data __initdata cpu9krea_nand_data = { 115 .ale = 21, 116 .cle = 22, 117 .rdy_pin = AT91_PIN_PC13, 118 .enable_pin = AT91_PIN_PC14, 119 .bus_width_16 = 0, 120}; 121 122#ifdef CONFIG_MACH_CPU9260 123static struct sam9_smc_config __initdata cpu9krea_nand_smc_config = { 124 .ncs_read_setup = 0, 125 .nrd_setup = 1, 126 .ncs_write_setup = 0, 127 .nwe_setup = 1, 128 129 .ncs_read_pulse = 3, 130 .nrd_pulse = 3, 131 .ncs_write_pulse = 3, 132 .nwe_pulse = 3, 133 134 .read_cycle = 5, 135 .write_cycle = 5, 136 137 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE 138 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, 139 .tdf_cycles = 2, 140}; 141#else 142static struct sam9_smc_config __initdata cpu9krea_nand_smc_config = { 143 .ncs_read_setup = 0, 144 .nrd_setup = 2, 145 .ncs_write_setup = 0, 146 .nwe_setup = 2, 147 148 .ncs_read_pulse = 4, 149 .nrd_pulse = 4, 150 .ncs_write_pulse = 4, 151 .nwe_pulse = 4, 152 153 .read_cycle = 7, 154 .write_cycle = 7, 155 156 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE 157 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, 158 .tdf_cycles = 3, 159}; 160#endif 161 162static void __init cpu9krea_add_device_nand(void) 163{ 164 sam9_smc_configure(3, &cpu9krea_nand_smc_config); 165 at91_add_device_nand(&cpu9krea_nand_data); 166} 167 168/* 169 * NOR flash 170 */ 171static struct physmap_flash_data cpuat9260_nor_data = { 172 .width = 2, 173}; 174 175#define NOR_BASE AT91_CHIPSELECT_0 176#define NOR_SIZE SZ_64M 177 178static struct resource nor_flash_resources[] = { 179 { 180 .start = NOR_BASE, 181 .end = NOR_BASE + NOR_SIZE - 1, 182 .flags = IORESOURCE_MEM, 183 } 184}; 185 186static struct platform_device cpu9krea_nor_flash = { 187 .name = "physmap-flash", 188 .id = 0, 189 .dev = { 190 .platform_data = &cpuat9260_nor_data, 191 }, 192 .resource = nor_flash_resources, 193 .num_resources = ARRAY_SIZE(nor_flash_resources), 194}; 195 196#ifdef CONFIG_MACH_CPU9260 197static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = { 198 .ncs_read_setup = 0, 199 .nrd_setup = 1, 200 .ncs_write_setup = 0, 201 .nwe_setup = 1, 202 203 .ncs_read_pulse = 10, 204 .nrd_pulse = 10, 205 .ncs_write_pulse = 6, 206 .nwe_pulse = 6, 207 208 .read_cycle = 12, 209 .write_cycle = 8, 210 211 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE 212 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE 213 | AT91_SMC_DBW_16, 214 .tdf_cycles = 2, 215}; 216#else 217static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = { 218 .ncs_read_setup = 0, 219 .nrd_setup = 1, 220 .ncs_write_setup = 0, 221 .nwe_setup = 1, 222 223 .ncs_read_pulse = 13, 224 .nrd_pulse = 13, 225 .ncs_write_pulse = 8, 226 .nwe_pulse = 8, 227 228 .read_cycle = 15, 229 .write_cycle = 10, 230 231 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE 232 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE 233 | AT91_SMC_DBW_16, 234 .tdf_cycles = 2, 235}; 236#endif 237 238static __init void cpu9krea_add_device_nor(void) 239{ 240 unsigned long csa; 241 242 csa = at91_sys_read(AT91_MATRIX_EBICSA); 243 at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_VDDIOMSEL_3_3V); 244 245 /* configure chip-select 0 (NOR) */ 246 sam9_smc_configure(0, &cpu9krea_nor_smc_config); 247 248 platform_device_register(&cpu9krea_nor_flash); 249} 250 251/* 252 * LEDs 253 */ 254static struct gpio_led cpu9krea_leds[] = { 255 { /* LED1 */ 256 .name = "LED1", 257 .gpio = AT91_PIN_PC11, 258 .active_low = 1, 259 .default_trigger = "timer", 260 }, 261 { /* LED2 */ 262 .name = "LED2", 263 .gpio = AT91_PIN_PC12, 264 .active_low = 1, 265 .default_trigger = "heartbeat", 266 }, 267 { /* LED3 */ 268 .name = "LED3", 269 .gpio = AT91_PIN_PC7, 270 .active_low = 1, 271 .default_trigger = "none", 272 }, 273 { /* LED4 */ 274 .name = "LED4", 275 .gpio = AT91_PIN_PC9, 276 .active_low = 1, 277 .default_trigger = "none", 278 } 279}; 280 281static struct i2c_board_info __initdata cpu9krea_i2c_devices[] = { 282 { 283 I2C_BOARD_INFO("rtc-ds1307", 0x68), 284 .type = "ds1339", 285 }, 286}; 287 288/* 289 * GPIO Buttons 290 */ 291#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 292static struct gpio_keys_button cpu9krea_buttons[] = { 293 { 294 .gpio = AT91_PIN_PC3, 295 .code = BTN_0, 296 .desc = "BP1", 297 .active_low = 1, 298 .wakeup = 1, 299 }, 300 { 301 .gpio = AT91_PIN_PB20, 302 .code = BTN_1, 303 .desc = "BP2", 304 .active_low = 1, 305 .wakeup = 1, 306 } 307}; 308 309static struct gpio_keys_platform_data cpu9krea_button_data = { 310 .buttons = cpu9krea_buttons, 311 .nbuttons = ARRAY_SIZE(cpu9krea_buttons), 312}; 313 314static struct platform_device cpu9krea_button_device = { 315 .name = "gpio-keys", 316 .id = -1, 317 .num_resources = 0, 318 .dev = { 319 .platform_data = &cpu9krea_button_data, 320 } 321}; 322 323static void __init cpu9krea_add_device_buttons(void) 324{ 325 at91_set_gpio_input(AT91_PIN_PC3, 1); /* BP1 */ 326 at91_set_deglitch(AT91_PIN_PC3, 1); 327 at91_set_gpio_input(AT91_PIN_PB20, 1); /* BP2 */ 328 at91_set_deglitch(AT91_PIN_PB20, 1); 329 330 platform_device_register(&cpu9krea_button_device); 331} 332#else 333static void __init cpu9krea_add_device_buttons(void) 334{ 335} 336#endif 337 338/* 339 * MCI (SD/MMC) 340 */ 341static struct at91_mmc_data __initdata cpu9krea_mmc_data = { 342 .slot_b = 0, 343 .wire4 = 1, 344 .det_pin = AT91_PIN_PA29, 345}; 346 347static void __init cpu9krea_board_init(void) 348{ 349 /* NOR */ 350 cpu9krea_add_device_nor(); 351 /* Serial */ 352 at91_add_device_serial(); 353 /* USB Host */ 354 at91_add_device_usbh(&cpu9krea_usbh_data); 355 /* USB Device */ 356 at91_add_device_udc(&cpu9krea_udc_data); 357 /* NAND */ 358 cpu9krea_add_device_nand(); 359 /* Ethernet */ 360 at91_add_device_eth(&cpu9krea_macb_data); 361 /* MMC */ 362 at91_add_device_mmc(0, &cpu9krea_mmc_data); 363 /* I2C */ 364 at91_add_device_i2c(cpu9krea_i2c_devices, 365 ARRAY_SIZE(cpu9krea_i2c_devices)); 366 /* LEDs */ 367 at91_gpio_leds(cpu9krea_leds, ARRAY_SIZE(cpu9krea_leds)); 368 /* Push Buttons */ 369 cpu9krea_add_device_buttons(); 370} 371 372#ifdef CONFIG_MACH_CPU9260 373MACHINE_START(CPUAT9260, "Eukrea CPU9260") 374#else 375MACHINE_START(CPUAT9G20, "Eukrea CPU9G20") 376#endif 377 /* Maintainer: Eric Benard - EUKREA Electromatique */ 378 .phys_io = AT91_BASE_SYS, 379 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 380 .boot_params = AT91_SDRAM_BASE + 0x100, 381 .timer = &at91sam926x_timer, 382 .map_io = cpu9krea_map_io, 383 .init_irq = cpu9krea_init_irq, 384 .init_machine = cpu9krea_board_init, 385MACHINE_END 386