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> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 25 | #include <linux/delay.h> |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 26 | #include <linux/leds.h> |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 27 | #include <linux/err.h> |
| 28 | #include <linux/clk.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 29 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/hardware.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 31 | #include <asm/mach-types.h> |
| 32 | #include <asm/mach/arch.h> |
| 33 | #include <asm/mach/flash.h> |
| 34 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 35 | #include <mach/gpio.h> |
| 36 | #include <mach/led.h> |
| 37 | #include <mach/mux.h> |
| 38 | #include <mach/usb.h> |
| 39 | #include <mach/board.h> |
| 40 | #include <mach/common.h> |
| 41 | #include <mach/gpmc.h> |
| 42 | #include <mach/control.h> |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 43 | |
| 44 | /* LED & Switch macros */ |
| 45 | #define LED0_GPIO13 13 |
| 46 | #define LED1_GPIO14 14 |
| 47 | #define LED2_GPIO15 15 |
| 48 | #define SW_ENTER_GPIO16 16 |
| 49 | #define SW_UP_GPIO17 17 |
| 50 | #define SW_DOWN_GPIO58 58 |
| 51 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 52 | #define APOLLON_FLASH_CS 0 |
| 53 | #define APOLLON_ETH_CS 1 |
Tony Lindgren | 7055477 | 2009-03-23 18:07:35 -0700 | [diff] [blame] | 54 | #define APOLLON_ETHR_GPIO_IRQ 74 |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 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 | |
Magnus Damm | 778dbcc | 2009-09-18 12:51:44 -0700 | [diff] [blame] | 90 | static struct onenand_platform_data apollon_flash_data = { |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 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 = { |
Magnus Damm | 778dbcc | 2009-09-18 12:51:44 -0700 | [diff] [blame] | 102 | .name = "onenand-flash", |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 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), |
Russell King | e7b3dc7 | 2008-01-14 22:30:10 +0000 | [diff] [blame] | 130 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 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 | |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 191 | unsigned int rate; |
| 192 | struct clk *gpmc_fck; |
| 193 | int eth_cs; |
| 194 | |
| 195 | gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */ |
| 196 | if (IS_ERR(gpmc_fck)) { |
| 197 | WARN_ON(1); |
| 198 | return; |
| 199 | } |
| 200 | |
| 201 | clk_enable(gpmc_fck); |
| 202 | rate = clk_get_rate(gpmc_fck); |
| 203 | |
| 204 | eth_cs = APOLLON_ETH_CS; |
| 205 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 206 | /* Make sure CS1 timings are correct */ |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 207 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200); |
| 208 | |
| 209 | if (rate >= 160000000) { |
| 210 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); |
| 211 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); |
| 212 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); |
| 213 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); |
| 214 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); |
| 215 | } else if (rate >= 130000000) { |
| 216 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); |
| 217 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); |
| 218 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); |
| 219 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); |
| 220 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); |
| 221 | } else {/* rate = 100000000 */ |
| 222 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); |
| 223 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); |
| 224 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); |
| 225 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); |
| 226 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); |
| 227 | } |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 228 | |
| 229 | if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) { |
| 230 | printk(KERN_ERR "Failed to request GPMC CS for smc91x\n"); |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 231 | goto out; |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 232 | } |
| 233 | apollon_smc91x_resources[0].start = base + 0x300; |
| 234 | apollon_smc91x_resources[0].end = base + 0x30f; |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 235 | udelay(100); |
| 236 | |
| 237 | omap_cfg_reg(W4__24XX_GPIO74); |
Jarkko Nikula | f2d18fe | 2008-12-10 17:35:30 -0800 | [diff] [blame] | 238 | if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) { |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 239 | printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", |
| 240 | APOLLON_ETHR_GPIO_IRQ); |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 241 | gpmc_cs_free(APOLLON_ETH_CS); |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 242 | goto out; |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 243 | } |
David Brownell | 40e3925 | 2008-12-10 17:35:26 -0800 | [diff] [blame] | 244 | gpio_direction_input(APOLLON_ETHR_GPIO_IRQ); |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 245 | |
| 246 | out: |
| 247 | clk_disable(gpmc_fck); |
| 248 | clk_put(gpmc_fck); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 249 | } |
| 250 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 251 | static struct omap_usb_config apollon_usb_config __initdata = { |
| 252 | .register_dev = 1, |
| 253 | .hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */ |
| 254 | |
| 255 | .pins[0] = 6, |
| 256 | }; |
| 257 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 258 | static struct omap_lcd_config apollon_lcd_config __initdata = { |
| 259 | .ctrl_name = "internal", |
| 260 | }; |
| 261 | |
| 262 | static struct omap_board_config_kernel apollon_config[] = { |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 263 | { OMAP_TAG_LCD, &apollon_lcd_config }, |
| 264 | }; |
| 265 | |
Paul Walmsley | b3c6df3 | 2009-09-03 20:14:02 +0300 | [diff] [blame] | 266 | static void __init omap_apollon_init_irq(void) |
| 267 | { |
| 268 | omap_board_config = apollon_config; |
| 269 | omap_board_config_size = ARRAY_SIZE(apollon_config); |
| 270 | omap2_init_common_hw(NULL, NULL); |
| 271 | omap_init_irq(); |
| 272 | omap_gpio_init(); |
| 273 | apollon_init_smc91x(); |
| 274 | } |
| 275 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 276 | static void __init apollon_led_init(void) |
| 277 | { |
| 278 | /* LED0 - AA10 */ |
| 279 | omap_cfg_reg(AA10_242X_GPIO13); |
Jarkko Nikula | 73069e3 | 2009-01-15 13:09:52 +0200 | [diff] [blame] | 280 | gpio_request(LED0_GPIO13, "LED0"); |
| 281 | gpio_direction_output(LED0_GPIO13, 0); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 282 | /* LED1 - AA6 */ |
| 283 | omap_cfg_reg(AA6_242X_GPIO14); |
Jarkko Nikula | 73069e3 | 2009-01-15 13:09:52 +0200 | [diff] [blame] | 284 | gpio_request(LED1_GPIO14, "LED1"); |
| 285 | gpio_direction_output(LED1_GPIO14, 0); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 286 | /* LED2 - AA4 */ |
| 287 | omap_cfg_reg(AA4_242X_GPIO15); |
Jarkko Nikula | 73069e3 | 2009-01-15 13:09:52 +0200 | [diff] [blame] | 288 | gpio_request(LED2_GPIO15, "LED2"); |
| 289 | gpio_direction_output(LED2_GPIO15, 0); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 290 | } |
| 291 | |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 292 | static void __init apollon_usb_init(void) |
| 293 | { |
| 294 | /* USB device */ |
| 295 | /* DEVICE_SUSPEND */ |
| 296 | omap_cfg_reg(P21_242X_GPIO12); |
Jarkko Nikula | f2d18fe | 2008-12-10 17:35:30 -0800 | [diff] [blame] | 297 | gpio_request(12, "USB suspend"); |
David Brownell | e918edf | 2008-12-10 17:35:26 -0800 | [diff] [blame] | 298 | gpio_direction_output(12, 0); |
Felipe Balbi | b0b5aa3 | 2009-03-23 18:07:49 -0700 | [diff] [blame] | 299 | omap_usb_init(&apollon_usb_config); |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 300 | } |
| 301 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 302 | static void __init omap_apollon_init(void) |
| 303 | { |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 304 | u32 v; |
| 305 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 306 | apollon_led_init(); |
Kyungmin Park | f024840 | 2006-12-06 17:13:53 -0800 | [diff] [blame] | 307 | apollon_flash_init(); |
| 308 | apollon_usb_init(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 309 | |
| 310 | /* REVISIT: where's the correct place */ |
| 311 | omap_cfg_reg(W19_24XX_SYS_NIRQ); |
| 312 | |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 313 | /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */ |
Paul Walmsley | 4459598 | 2008-03-18 10:04:51 +0200 | [diff] [blame] | 314 | v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); |
| 315 | v |= (1 << 24); |
| 316 | omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); |
Kyungmin Park | abc45e1 | 2006-09-25 12:41:25 +0300 | [diff] [blame] | 317 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 318 | /* |
| 319 | * Make sure the serial ports are muxed on at this point. |
| 320 | * You have to mux them off in device drivers later on |
| 321 | * if not needed. |
| 322 | */ |
| 323 | platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices)); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 324 | omap_serial_init(); |
| 325 | } |
| 326 | |
| 327 | static void __init omap_apollon_map_io(void) |
| 328 | { |
Paul Walmsley | c8d2eb8 | 2008-05-07 16:55:13 -0700 | [diff] [blame] | 329 | omap2_set_globals_242x(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 330 | omap2_map_common_io(); |
| 331 | } |
| 332 | |
| 333 | MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon") |
| 334 | /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ |
| 335 | .phys_io = 0x48000000, |
Santosh Shilimkar | b4224b2 | 2009-10-19 17:25:55 -0700 | [diff] [blame] | 336 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 337 | .boot_params = 0x80000100, |
| 338 | .map_io = omap_apollon_map_io, |
| 339 | .init_irq = omap_apollon_init_irq, |
| 340 | .init_machine = omap_apollon_init, |
| 341 | .timer = &omap_timer, |
| 342 | MACHINE_END |