Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 1 | /* |
Uwe Zeisberger | f30c226 | 2006-10-03 23:01:26 +0200 | [diff] [blame] | 2 | * linux/arch/arm/mach-omap2/board-apollon.c |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2005,2006 Samsung Electronics |
| 5 | * Author: Kyungmin Park <kyungmin.park@samsung.com> |
| 6 | * |
| 7 | * Modified from mach-omap/omap2/board-h4.c |
| 8 | * |
| 9 | * Code for apollon OMAP2 board. Should work on many OMAP2 systems where |
| 10 | * the bootloader passes the board-specific data to the kernel. |
| 11 | * Do not put any board specific code to this file; create a new machine |
| 12 | * type if you need custom low-level initializations. |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License version 2 as |
| 16 | * published by the Free Software Foundation. |
| 17 | */ |
| 18 | |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/mtd/mtd.h> |
| 23 | #include <linux/mtd/partitions.h> |
| 24 | #include <linux/mtd/onenand.h> |
Kyungmin Park | 463cab3 | 2006-12-29 16:48:56 -0800 | [diff] [blame] | 25 | #include <linux/irq.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 26 | #include <linux/interrupt.h> |
| 27 | #include <linux/delay.h> |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 28 | #include <linux/leds.h> |
| 29 | #include <linux/irq.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 30 | |
| 31 | #include <asm/hardware.h> |
| 32 | #include <asm/mach-types.h> |
| 33 | #include <asm/mach/arch.h> |
| 34 | #include <asm/mach/flash.h> |
| 35 | |
| 36 | #include <asm/arch/gpio.h> |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 37 | #include <asm/arch/led.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 38 | #include <asm/arch/mux.h> |
| 39 | #include <asm/arch/usb.h> |
| 40 | #include <asm/arch/board.h> |
| 41 | #include <asm/arch/common.h> |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 42 | #include <asm/arch/gpmc.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 43 | #include "prcm-regs.h" |
| 44 | |
| 45 | /* LED & Switch macros */ |
| 46 | #define LED0_GPIO13 13 |
| 47 | #define LED1_GPIO14 14 |
| 48 | #define LED2_GPIO15 15 |
| 49 | #define SW_ENTER_GPIO16 16 |
| 50 | #define SW_UP_GPIO17 17 |
| 51 | #define SW_DOWN_GPIO58 58 |
| 52 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 53 | #define APOLLON_FLASH_CS 0 |
| 54 | #define APOLLON_ETH_CS 1 |
| 55 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 56 | static struct mtd_partition apollon_partitions[] = { |
| 57 | { |
| 58 | .name = "X-Loader + U-Boot", |
| 59 | .offset = 0, |
| 60 | .size = SZ_128K, |
| 61 | .mask_flags = MTD_WRITEABLE, |
| 62 | }, |
| 63 | { |
| 64 | .name = "params", |
| 65 | .offset = MTDPART_OFS_APPEND, |
| 66 | .size = SZ_128K, |
| 67 | }, |
| 68 | { |
| 69 | .name = "kernel", |
| 70 | .offset = MTDPART_OFS_APPEND, |
| 71 | .size = SZ_2M, |
| 72 | }, |
| 73 | { |
| 74 | .name = "rootfs", |
| 75 | .offset = MTDPART_OFS_APPEND, |
| 76 | .size = SZ_16M, |
| 77 | }, |
| 78 | { |
| 79 | .name = "filesystem00", |
| 80 | .offset = MTDPART_OFS_APPEND, |
| 81 | .size = SZ_32M, |
| 82 | }, |
| 83 | { |
| 84 | .name = "filesystem01", |
| 85 | .offset = MTDPART_OFS_APPEND, |
| 86 | .size = MTDPART_SIZ_FULL, |
| 87 | }, |
| 88 | }; |
| 89 | |
| 90 | static struct flash_platform_data apollon_flash_data = { |
| 91 | .parts = apollon_partitions, |
| 92 | .nr_parts = ARRAY_SIZE(apollon_partitions), |
| 93 | }; |
| 94 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 95 | static struct resource apollon_flash_resource[] = { |
| 96 | [0] = { |
| 97 | .flags = IORESOURCE_MEM, |
| 98 | }, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | static struct platform_device apollon_onenand_device = { |
| 102 | .name = "onenand", |
| 103 | .id = -1, |
| 104 | .dev = { |
| 105 | .platform_data = &apollon_flash_data, |
| 106 | }, |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 107 | .num_resources = ARRAY_SIZE(apollon_flash_resource), |
| 108 | .resource = apollon_flash_resource, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 109 | }; |
| 110 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 111 | static void __init apollon_flash_init(void) |
| 112 | { |
| 113 | unsigned long base; |
| 114 | |
| 115 | if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) { |
| 116 | printk(KERN_ERR "Cannot request OneNAND GPMC CS\n"); |
| 117 | return; |
| 118 | } |
| 119 | apollon_flash_resource[0].start = base; |
| 120 | apollon_flash_resource[0].end = base + SZ_128K - 1; |
| 121 | } |
| 122 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 123 | static struct resource apollon_smc91x_resources[] = { |
| 124 | [0] = { |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 125 | .flags = IORESOURCE_MEM, |
| 126 | }, |
| 127 | [1] = { |
| 128 | .start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ), |
| 129 | .end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ), |
| 130 | .flags = IORESOURCE_IRQ, |
| 131 | }, |
| 132 | }; |
| 133 | |
| 134 | static struct platform_device apollon_smc91x_device = { |
| 135 | .name = "smc91x", |
| 136 | .id = -1, |
| 137 | .num_resources = ARRAY_SIZE(apollon_smc91x_resources), |
| 138 | .resource = apollon_smc91x_resources, |
| 139 | }; |
| 140 | |
| 141 | static struct platform_device apollon_lcd_device = { |
| 142 | .name = "apollon_lcd", |
| 143 | .id = -1, |
| 144 | }; |
| 145 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 146 | static struct omap_led_config apollon_led_config[] = { |
| 147 | { |
| 148 | .cdev = { |
| 149 | .name = "apollon:led0", |
| 150 | }, |
| 151 | .gpio = LED0_GPIO13, |
| 152 | }, |
| 153 | { |
| 154 | .cdev = { |
| 155 | .name = "apollon:led1", |
| 156 | }, |
| 157 | .gpio = LED1_GPIO14, |
| 158 | }, |
| 159 | { |
| 160 | .cdev = { |
| 161 | .name = "apollon:led2", |
| 162 | }, |
| 163 | .gpio = LED2_GPIO15, |
| 164 | }, |
| 165 | }; |
| 166 | |
| 167 | static struct omap_led_platform_data apollon_led_data = { |
| 168 | .nr_leds = ARRAY_SIZE(apollon_led_config), |
| 169 | .leds = apollon_led_config, |
| 170 | }; |
| 171 | |
| 172 | static struct platform_device apollon_led_device = { |
| 173 | .name = "omap-led", |
| 174 | .id = -1, |
| 175 | .dev = { |
| 176 | .platform_data = &apollon_led_data, |
| 177 | }, |
| 178 | }; |
| 179 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 180 | static struct platform_device *apollon_devices[] __initdata = { |
| 181 | &apollon_onenand_device, |
| 182 | &apollon_smc91x_device, |
| 183 | &apollon_lcd_device, |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 184 | &apollon_led_device, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 185 | }; |
| 186 | |
| 187 | static inline void __init apollon_init_smc91x(void) |
| 188 | { |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 189 | unsigned long base; |
| 190 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 191 | /* Make sure CS1 timings are correct */ |
| 192 | GPMC_CONFIG1_1 = 0x00011203; |
| 193 | GPMC_CONFIG2_1 = 0x001f1f01; |
| 194 | GPMC_CONFIG3_1 = 0x00080803; |
| 195 | GPMC_CONFIG4_1 = 0x1c091c09; |
| 196 | GPMC_CONFIG5_1 = 0x041f1f1f; |
| 197 | GPMC_CONFIG6_1 = 0x000004c4; |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 198 | |
| 199 | if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) { |
| 200 | printk(KERN_ERR "Failed to request GPMC CS for smc91x\n"); |
| 201 | return; |
| 202 | } |
| 203 | apollon_smc91x_resources[0].start = base + 0x300; |
| 204 | apollon_smc91x_resources[0].end = base + 0x30f; |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 205 | udelay(100); |
| 206 | |
| 207 | omap_cfg_reg(W4__24XX_GPIO74); |
| 208 | if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) { |
| 209 | printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", |
| 210 | APOLLON_ETHR_GPIO_IRQ); |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 211 | gpmc_cs_free(APOLLON_ETH_CS); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 212 | return; |
| 213 | } |
| 214 | omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1); |
| 215 | } |
| 216 | |
| 217 | static void __init omap_apollon_init_irq(void) |
| 218 | { |
| 219 | omap2_init_common_hw(); |
| 220 | omap_init_irq(); |
| 221 | omap_gpio_init(); |
| 222 | apollon_init_smc91x(); |
| 223 | } |
| 224 | |
| 225 | static struct omap_uart_config apollon_uart_config __initdata = { |
| 226 | .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2), |
| 227 | }; |
| 228 | |
| 229 | static struct omap_mmc_config apollon_mmc_config __initdata = { |
| 230 | .mmc [0] = { |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 231 | .enabled = 1, |
| 232 | .wire4 = 1, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 233 | .wp_pin = -1, |
| 234 | .power_pin = -1, |
| 235 | .switch_pin = -1, |
| 236 | }, |
| 237 | }; |
| 238 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 239 | static struct omap_usb_config apollon_usb_config __initdata = { |
| 240 | .register_dev = 1, |
| 241 | .hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */ |
| 242 | |
| 243 | .pins[0] = 6, |
| 244 | }; |
| 245 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 246 | static struct omap_lcd_config apollon_lcd_config __initdata = { |
| 247 | .ctrl_name = "internal", |
| 248 | }; |
| 249 | |
| 250 | static struct omap_board_config_kernel apollon_config[] = { |
| 251 | { OMAP_TAG_UART, &apollon_uart_config }, |
| 252 | { OMAP_TAG_MMC, &apollon_mmc_config }, |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 253 | { OMAP_TAG_USB, &apollon_usb_config }, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 254 | { OMAP_TAG_LCD, &apollon_lcd_config }, |
| 255 | }; |
| 256 | |
| 257 | static void __init apollon_led_init(void) |
| 258 | { |
| 259 | /* LED0 - AA10 */ |
| 260 | omap_cfg_reg(AA10_242X_GPIO13); |
| 261 | omap_request_gpio(LED0_GPIO13); |
| 262 | omap_set_gpio_direction(LED0_GPIO13, 0); |
| 263 | omap_set_gpio_dataout(LED0_GPIO13, 0); |
| 264 | /* LED1 - AA6 */ |
| 265 | omap_cfg_reg(AA6_242X_GPIO14); |
| 266 | omap_request_gpio(LED1_GPIO14); |
| 267 | omap_set_gpio_direction(LED1_GPIO14, 0); |
| 268 | omap_set_gpio_dataout(LED1_GPIO14, 0); |
| 269 | /* LED2 - AA4 */ |
| 270 | omap_cfg_reg(AA4_242X_GPIO15); |
| 271 | omap_request_gpio(LED2_GPIO15); |
| 272 | omap_set_gpio_direction(LED2_GPIO15, 0); |
| 273 | omap_set_gpio_dataout(LED2_GPIO15, 0); |
| 274 | } |
| 275 | |
Linus Torvalds | 0cd61b6 | 2006-10-06 10:53:39 -0700 | [diff] [blame] | 276 | static irqreturn_t apollon_sw_interrupt(int irq, void *ignored) |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 277 | { |
| 278 | static unsigned int led0, led1, led2; |
| 279 | |
| 280 | if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16)) |
| 281 | omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1); |
| 282 | else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17)) |
| 283 | omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1); |
| 284 | else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58)) |
| 285 | omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1); |
| 286 | |
| 287 | return IRQ_HANDLED; |
| 288 | } |
| 289 | |
| 290 | static void __init apollon_sw_init(void) |
| 291 | { |
| 292 | /* Enter SW - Y11 */ |
| 293 | omap_cfg_reg(Y11_242X_GPIO16); |
| 294 | omap_request_gpio(SW_ENTER_GPIO16); |
| 295 | omap_set_gpio_direction(SW_ENTER_GPIO16, 1); |
| 296 | /* Up SW - AA12 */ |
| 297 | omap_cfg_reg(AA12_242X_GPIO17); |
| 298 | omap_request_gpio(SW_UP_GPIO17); |
| 299 | omap_set_gpio_direction(SW_UP_GPIO17, 1); |
| 300 | /* Down SW - AA8 */ |
| 301 | omap_cfg_reg(AA8_242X_GPIO58); |
| 302 | omap_request_gpio(SW_DOWN_GPIO58); |
| 303 | omap_set_gpio_direction(SW_DOWN_GPIO58, 1); |
| 304 | |
| 305 | set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING); |
| 306 | if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt, |
Thomas Gleixner | 52e405e | 2006-07-03 02:20:05 +0200 | [diff] [blame] | 307 | IRQF_SHARED, "enter sw", |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 308 | &apollon_sw_interrupt)) |
| 309 | return; |
| 310 | set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING); |
| 311 | if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt, |
Thomas Gleixner | 52e405e | 2006-07-03 02:20:05 +0200 | [diff] [blame] | 312 | IRQF_SHARED, "up sw", |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 313 | &apollon_sw_interrupt)) |
| 314 | return; |
| 315 | set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING); |
| 316 | if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt, |
Thomas Gleixner | 52e405e | 2006-07-03 02:20:05 +0200 | [diff] [blame] | 317 | IRQF_SHARED, "down sw", |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 318 | &apollon_sw_interrupt)) |
| 319 | return; |
| 320 | } |
| 321 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 322 | static void __init apollon_usb_init(void) |
| 323 | { |
| 324 | /* USB device */ |
| 325 | /* DEVICE_SUSPEND */ |
| 326 | omap_cfg_reg(P21_242X_GPIO12); |
| 327 | omap_request_gpio(12); |
| 328 | omap_set_gpio_direction(12, 0); /* OUT */ |
| 329 | omap_set_gpio_dataout(12, 0); |
| 330 | } |
| 331 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 332 | static void __init omap_apollon_init(void) |
| 333 | { |
| 334 | apollon_led_init(); |
| 335 | apollon_sw_init(); |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 336 | apollon_flash_init(); |
| 337 | apollon_usb_init(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 338 | |
| 339 | /* REVISIT: where's the correct place */ |
| 340 | omap_cfg_reg(W19_24XX_SYS_NIRQ); |
| 341 | |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 342 | /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */ |
| 343 | CONTROL_DEVCONF |= (1 << 24); |
| 344 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 345 | /* |
| 346 | * Make sure the serial ports are muxed on at this point. |
| 347 | * You have to mux them off in device drivers later on |
| 348 | * if not needed. |
| 349 | */ |
| 350 | platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices)); |
| 351 | omap_board_config = apollon_config; |
| 352 | omap_board_config_size = ARRAY_SIZE(apollon_config); |
| 353 | omap_serial_init(); |
| 354 | } |
| 355 | |
| 356 | static void __init omap_apollon_map_io(void) |
| 357 | { |
| 358 | omap2_map_common_io(); |
| 359 | } |
| 360 | |
| 361 | MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon") |
| 362 | /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ |
| 363 | .phys_io = 0x48000000, |
| 364 | .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, |
| 365 | .boot_params = 0x80000100, |
| 366 | .map_io = omap_apollon_map_io, |
| 367 | .init_irq = omap_apollon_init_irq, |
| 368 | .init_machine = omap_apollon_init, |
| 369 | .timer = &omap_timer, |
| 370 | MACHINE_END |