Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 1 | /* |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 2 | * linux/arch/arm/mach-at91/board-sam9260ek.c |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2005 SAN People |
| 5 | * Copyright (C) 2006 Atmel |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/mm.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/platform_device.h> |
| 27 | #include <linux/spi/spi.h> |
Andrew Victor | 5e9df92 | 2008-04-02 22:18:35 +0100 | [diff] [blame] | 28 | #include <linux/spi/at73c213.h> |
| 29 | #include <linux/clk.h> |
David Brownell | a745a62 | 2008-09-05 00:34:50 +0100 | [diff] [blame] | 30 | #include <linux/i2c/at24.h> |
Andrew Victor | 2e9f12d | 2008-09-21 21:32:40 +0100 | [diff] [blame] | 31 | #include <linux/gpio_keys.h> |
| 32 | #include <linux/input.h> |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 33 | |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 34 | #include <asm/setup.h> |
| 35 | #include <asm/mach-types.h> |
| 36 | #include <asm/irq.h> |
| 37 | |
| 38 | #include <asm/mach/arch.h> |
| 39 | #include <asm/mach/map.h> |
| 40 | #include <asm/mach/irq.h> |
| 41 | |
Andrew Victor | e505240 | 2008-09-21 21:30:02 +0100 | [diff] [blame] | 42 | #include <mach/hardware.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 43 | #include <mach/board.h> |
| 44 | #include <mach/gpio.h> |
Andrew Victor | 8cdae51 | 2008-10-06 20:05:35 +0100 | [diff] [blame] | 45 | #include <mach/at91sam9_smc.h> |
| 46 | #include <mach/at91_shdwc.h> |
Jean-Christophe PLAGNIOL-VILLARD | 76b2ab7 | 2011-04-14 00:34:03 +0800 | [diff] [blame] | 47 | #include <mach/system_rev.h> |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 48 | |
Andrew Victor | 8cdae51 | 2008-10-06 20:05:35 +0100 | [diff] [blame] | 49 | #include "sam9_smc.h" |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 50 | #include "generic.h" |
| 51 | |
| 52 | |
Jean-Christophe PLAGNIOL-VILLARD | 1b021a3 | 2011-04-28 20:19:32 +0800 | [diff] [blame] | 53 | static void __init ek_init_early(void) |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 54 | { |
| 55 | /* Initialize processor: 18.432 MHz crystal */ |
| 56 | at91sam9260_initialize(18432000); |
| 57 | |
Samuel R. C. Vale | 4f37940 | 2009-07-10 12:07:15 -0300 | [diff] [blame] | 58 | /* DBGU on ttyS0. (Rx & Tx only) */ |
Andrew Victor | a3da122 | 2008-04-02 21:47:29 +0100 | [diff] [blame] | 59 | at91_register_uart(0, 0, 0); |
| 60 | |
| 61 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ |
| 62 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS |
| 63 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD |
| 64 | | ATMEL_UART_RI); |
| 65 | |
| 66 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ |
| 67 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); |
| 68 | |
| 69 | /* set serial console to ttyS0 (ie, DBGU) */ |
| 70 | at91_set_serial_console(0); |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | static void __init ek_init_irq(void) |
| 74 | { |
| 75 | at91sam9260_init_interrupts(NULL); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | /* |
| 80 | * USB Host port |
| 81 | */ |
| 82 | static struct at91_usbh_data __initdata ek_usbh_data = { |
| 83 | .ports = 2, |
| 84 | }; |
| 85 | |
| 86 | /* |
| 87 | * USB Device port |
| 88 | */ |
| 89 | static struct at91_udc_data __initdata ek_udc_data = { |
| 90 | .vbus_pin = AT91_PIN_PC5, |
| 91 | .pullup_pin = 0, /* pull-up driven by UDC */ |
| 92 | }; |
| 93 | |
| 94 | |
| 95 | /* |
Andrew Victor | 5e9df92 | 2008-04-02 22:18:35 +0100 | [diff] [blame] | 96 | * Audio |
| 97 | */ |
| 98 | static struct at73c213_board_info at73c213_data = { |
| 99 | .ssc_id = 0, |
| 100 | .shortname = "AT91SAM9260-EK external DAC", |
| 101 | }; |
| 102 | |
| 103 | #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) |
| 104 | static void __init at73c213_set_clk(struct at73c213_board_info *info) |
| 105 | { |
| 106 | struct clk *pck0; |
| 107 | struct clk *plla; |
| 108 | |
| 109 | pck0 = clk_get(NULL, "pck0"); |
| 110 | plla = clk_get(NULL, "plla"); |
| 111 | |
| 112 | /* AT73C213 MCK Clock */ |
| 113 | at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */ |
| 114 | |
| 115 | clk_set_parent(pck0, plla); |
| 116 | clk_put(plla); |
| 117 | |
| 118 | info->dac_clk = pck0; |
| 119 | } |
| 120 | #else |
| 121 | static void __init at73c213_set_clk(struct at73c213_board_info *info) {} |
| 122 | #endif |
| 123 | |
| 124 | /* |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 125 | * SPI devices. |
| 126 | */ |
| 127 | static struct spi_board_info ek_spi_devices[] = { |
| 128 | #if !defined(CONFIG_MMC_AT91) |
| 129 | { /* DataFlash chip */ |
| 130 | .modalias = "mtd_dataflash", |
| 131 | .chip_select = 1, |
| 132 | .max_speed_hz = 15 * 1000 * 1000, |
| 133 | .bus_num = 0, |
| 134 | }, |
| 135 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) |
| 136 | { /* DataFlash card */ |
| 137 | .modalias = "mtd_dataflash", |
| 138 | .chip_select = 0, |
| 139 | .max_speed_hz = 15 * 1000 * 1000, |
| 140 | .bus_num = 0, |
| 141 | }, |
| 142 | #endif |
| 143 | #endif |
Andrew Victor | 93afa75 | 2007-05-03 14:39:41 +0100 | [diff] [blame] | 144 | #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 145 | { /* AT73C213 DAC */ |
Andrew Victor | 93afa75 | 2007-05-03 14:39:41 +0100 | [diff] [blame] | 146 | .modalias = "at73c213", |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 147 | .chip_select = 0, |
| 148 | .max_speed_hz = 10 * 1000 * 1000, |
| 149 | .bus_num = 1, |
Andrew Victor | 5e9df92 | 2008-04-02 22:18:35 +0100 | [diff] [blame] | 150 | .mode = SPI_MODE_1, |
| 151 | .platform_data = &at73c213_data, |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 152 | }, |
| 153 | #endif |
| 154 | }; |
| 155 | |
| 156 | |
| 157 | /* |
| 158 | * MACB Ethernet device |
| 159 | */ |
Sam Ravnborg | 3e18c8d | 2007-04-26 00:04:39 -0700 | [diff] [blame] | 160 | static struct at91_eth_data __initdata ek_macb_data = { |
Andrew Victor | 44853a8 | 2006-12-08 11:24:18 +0100 | [diff] [blame] | 161 | .phy_irq_pin = AT91_PIN_PA7, |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 162 | .is_rmii = 1, |
| 163 | }; |
| 164 | |
| 165 | |
| 166 | /* |
| 167 | * NAND flash |
| 168 | */ |
| 169 | static struct mtd_partition __initdata ek_nand_partition[] = { |
| 170 | { |
| 171 | .name = "Partition 1", |
| 172 | .offset = 0, |
Andrew Victor | e505240 | 2008-09-21 21:30:02 +0100 | [diff] [blame] | 173 | .size = SZ_256K, |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 174 | }, |
| 175 | { |
| 176 | .name = "Partition 2", |
Andrew Victor | e505240 | 2008-09-21 21:30:02 +0100 | [diff] [blame] | 177 | .offset = MTDPART_OFS_NXTBLK, |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 178 | .size = MTDPART_SIZ_FULL, |
| 179 | }, |
| 180 | }; |
| 181 | |
Sam Ravnborg | 3e18c8d | 2007-04-26 00:04:39 -0700 | [diff] [blame] | 182 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 183 | { |
| 184 | *num_partitions = ARRAY_SIZE(ek_nand_partition); |
| 185 | return ek_nand_partition; |
| 186 | } |
| 187 | |
HÃ¥vard Skinnemoen | 3c3796c | 2008-06-06 18:04:53 +0200 | [diff] [blame] | 188 | static struct atmel_nand_data __initdata ek_nand_data = { |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 189 | .ale = 21, |
| 190 | .cle = 22, |
| 191 | // .det_pin = ... not connected |
| 192 | .rdy_pin = AT91_PIN_PC13, |
| 193 | .enable_pin = AT91_PIN_PC14, |
| 194 | .partition_info = nand_partitions, |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 195 | }; |
| 196 | |
Andrew Victor | 8cdae51 | 2008-10-06 20:05:35 +0100 | [diff] [blame] | 197 | static struct sam9_smc_config __initdata ek_nand_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 = 3, |
| 204 | .nrd_pulse = 3, |
| 205 | .ncs_write_pulse = 3, |
| 206 | .nwe_pulse = 3, |
| 207 | |
| 208 | .read_cycle = 5, |
| 209 | .write_cycle = 5, |
| 210 | |
| 211 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, |
| 212 | .tdf_cycles = 2, |
| 213 | }; |
| 214 | |
| 215 | static void __init ek_add_device_nand(void) |
| 216 | { |
Nicolas Ferre | 64393b3 | 2011-07-01 12:25:24 +0200 | [diff] [blame] | 217 | ek_nand_data.bus_width_16 = board_have_nand_16bit(); |
Andrew Victor | 8cdae51 | 2008-10-06 20:05:35 +0100 | [diff] [blame] | 218 | /* setup bus-width (8 or 16) */ |
| 219 | if (ek_nand_data.bus_width_16) |
| 220 | ek_nand_smc_config.mode |= AT91_SMC_DBW_16; |
| 221 | else |
| 222 | ek_nand_smc_config.mode |= AT91_SMC_DBW_8; |
| 223 | |
| 224 | /* configure chip-select 3 (NAND) */ |
| 225 | sam9_smc_configure(3, &ek_nand_smc_config); |
| 226 | |
| 227 | at91_add_device_nand(&ek_nand_data); |
| 228 | } |
| 229 | |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 230 | |
| 231 | /* |
| 232 | * MCI (SD/MMC) |
| 233 | */ |
| 234 | static struct at91_mmc_data __initdata ek_mmc_data = { |
| 235 | .slot_b = 1, |
| 236 | .wire4 = 1, |
| 237 | // .det_pin = ... not connected |
| 238 | // .wp_pin = ... not connected |
| 239 | // .vcc_pin = ... not connected |
| 240 | }; |
| 241 | |
Andrew Victor | 5b7659d | 2008-04-02 22:20:45 +0100 | [diff] [blame] | 242 | |
| 243 | /* |
| 244 | * LEDs |
| 245 | */ |
| 246 | static struct gpio_led ek_leds[] = { |
| 247 | { /* "bottom" led, green, userled1 to be defined */ |
| 248 | .name = "ds5", |
| 249 | .gpio = AT91_PIN_PA6, |
| 250 | .active_low = 1, |
| 251 | .default_trigger = "none", |
| 252 | }, |
| 253 | { /* "power" led, yellow */ |
| 254 | .name = "ds1", |
| 255 | .gpio = AT91_PIN_PA9, |
| 256 | .default_trigger = "heartbeat", |
| 257 | } |
| 258 | }; |
| 259 | |
David Brownell | a745a62 | 2008-09-05 00:34:50 +0100 | [diff] [blame] | 260 | /* |
| 261 | * I2C devices |
| 262 | */ |
| 263 | static struct at24_platform_data at24c512 = { |
| 264 | .byte_len = SZ_512K / 8, |
| 265 | .page_size = 128, |
| 266 | .flags = AT24_FLAG_ADDR16, |
| 267 | }; |
| 268 | |
| 269 | static struct i2c_board_info __initdata ek_i2c_devices[] = { |
| 270 | { |
| 271 | I2C_BOARD_INFO("24c512", 0x50), |
| 272 | .platform_data = &at24c512, |
| 273 | }, |
| 274 | /* more devices can be added using expansion connectors */ |
| 275 | }; |
| 276 | |
Andrew Victor | 2e9f12d | 2008-09-21 21:32:40 +0100 | [diff] [blame] | 277 | |
| 278 | /* |
| 279 | * GPIO Buttons |
| 280 | */ |
| 281 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| 282 | static struct gpio_keys_button ek_buttons[] = { |
| 283 | { |
| 284 | .gpio = AT91_PIN_PA30, |
| 285 | .code = BTN_3, |
| 286 | .desc = "Button 3", |
| 287 | .active_low = 1, |
| 288 | .wakeup = 1, |
| 289 | }, |
| 290 | { |
| 291 | .gpio = AT91_PIN_PA31, |
| 292 | .code = BTN_4, |
| 293 | .desc = "Button 4", |
| 294 | .active_low = 1, |
| 295 | .wakeup = 1, |
| 296 | } |
| 297 | }; |
| 298 | |
| 299 | static struct gpio_keys_platform_data ek_button_data = { |
| 300 | .buttons = ek_buttons, |
| 301 | .nbuttons = ARRAY_SIZE(ek_buttons), |
| 302 | }; |
| 303 | |
| 304 | static struct platform_device ek_button_device = { |
| 305 | .name = "gpio-keys", |
| 306 | .id = -1, |
| 307 | .num_resources = 0, |
| 308 | .dev = { |
| 309 | .platform_data = &ek_button_data, |
| 310 | } |
| 311 | }; |
| 312 | |
| 313 | static void __init ek_add_device_buttons(void) |
| 314 | { |
| 315 | at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */ |
| 316 | at91_set_deglitch(AT91_PIN_PA30, 1); |
| 317 | at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */ |
| 318 | at91_set_deglitch(AT91_PIN_PA31, 1); |
| 319 | |
| 320 | platform_device_register(&ek_button_device); |
| 321 | } |
| 322 | #else |
| 323 | static void __init ek_add_device_buttons(void) {} |
| 324 | #endif |
| 325 | |
| 326 | |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 327 | static void __init ek_board_init(void) |
| 328 | { |
| 329 | /* Serial */ |
| 330 | at91_add_device_serial(); |
| 331 | /* USB Host */ |
| 332 | at91_add_device_usbh(&ek_usbh_data); |
| 333 | /* USB Device */ |
| 334 | at91_add_device_udc(&ek_udc_data); |
| 335 | /* SPI */ |
| 336 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
| 337 | /* NAND */ |
Andrew Victor | 8cdae51 | 2008-10-06 20:05:35 +0100 | [diff] [blame] | 338 | ek_add_device_nand(); |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 339 | /* Ethernet */ |
| 340 | at91_add_device_eth(&ek_macb_data); |
| 341 | /* MMC */ |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 342 | at91_add_device_mmc(0, &ek_mmc_data); |
Andrew Victor | 93afa75 | 2007-05-03 14:39:41 +0100 | [diff] [blame] | 343 | /* I2C */ |
David Brownell | a745a62 | 2008-09-05 00:34:50 +0100 | [diff] [blame] | 344 | at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); |
Andrew Victor | 5e9df92 | 2008-04-02 22:18:35 +0100 | [diff] [blame] | 345 | /* SSC (to AT73C213) */ |
| 346 | at73c213_set_clk(&at73c213_data); |
| 347 | at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); |
Andrew Victor | 5b7659d | 2008-04-02 22:20:45 +0100 | [diff] [blame] | 348 | /* LEDs */ |
| 349 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); |
Andrew Victor | 2e9f12d | 2008-09-21 21:32:40 +0100 | [diff] [blame] | 350 | /* Push Buttons */ |
| 351 | ek_add_device_buttons(); |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") |
| 355 | /* Maintainer: Atmel */ |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 356 | .timer = &at91sam926x_timer, |
Jean-Christophe PLAGNIOL-VILLARD | 1b021a3 | 2011-04-28 20:19:32 +0800 | [diff] [blame] | 357 | .map_io = at91sam9260_map_io, |
| 358 | .init_early = ek_init_early, |
Andrew Victor | b85a891 | 2006-12-01 14:37:56 +0100 | [diff] [blame] | 359 | .init_irq = ek_init_irq, |
| 360 | .init_machine = ek_board_init, |
| 361 | MACHINE_END |