Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s3c2410/mach-jive.c |
| 2 | * |
| 3 | * Copyright 2007 Simtec Electronics |
| 4 | * Ben Dooks <ben@simtec.co.uk> |
| 5 | * |
| 6 | * http://armlinux.simtec.co.uk/ |
| 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 version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/list.h> |
| 17 | #include <linux/timer.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/sysdev.h> |
Ben Dooks | c2c1708 | 2008-07-03 11:24:33 +0100 | [diff] [blame] | 20 | #include <linux/delay.h> |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 21 | #include <linux/serial_core.h> |
| 22 | #include <linux/platform_device.h> |
Ben Dooks | d10d8a5 | 2008-07-03 11:24:35 +0100 | [diff] [blame] | 23 | #include <linux/i2c.h> |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 24 | |
Ben Dooks | c2c1708 | 2008-07-03 11:24:33 +0100 | [diff] [blame] | 25 | #include <video/ili9320.h> |
| 26 | |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 27 | #include <linux/spi/spi.h> |
| 28 | |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 29 | #include <asm/mach/arch.h> |
| 30 | #include <asm/mach/map.h> |
| 31 | #include <asm/mach/irq.h> |
| 32 | |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 33 | #include <plat/regs-serial.h> |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 34 | #include <asm/plat-s3c/nand.h> |
Ben Dooks | d10d8a5 | 2008-07-03 11:24:35 +0100 | [diff] [blame] | 35 | #include <asm/plat-s3c/iic.h> |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 36 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 37 | #include <mach/regs-power.h> |
| 38 | #include <mach/regs-gpio.h> |
| 39 | #include <mach/regs-mem.h> |
| 40 | #include <mach/regs-lcd.h> |
| 41 | #include <mach/spi-gpio.h> |
| 42 | #include <mach/fb.h> |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 43 | |
| 44 | #include <asm/mach-types.h> |
| 45 | |
| 46 | #include <linux/mtd/mtd.h> |
| 47 | #include <linux/mtd/nand.h> |
| 48 | #include <linux/mtd/nand_ecc.h> |
| 49 | #include <linux/mtd/partitions.h> |
| 50 | |
Ben Dooks | d5120ae | 2008-10-07 23:09:51 +0100 | [diff] [blame] | 51 | #include <plat/clock.h> |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 52 | #include <plat/devs.h> |
| 53 | #include <plat/cpu.h> |
| 54 | #include <plat/pm.h> |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 55 | #include <asm/plat-s3c24xx/udc.h> |
| 56 | |
| 57 | static struct map_desc jive_iodesc[] __initdata = { |
| 58 | }; |
| 59 | |
| 60 | #define UCON S3C2410_UCON_DEFAULT |
| 61 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE |
| 62 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE |
| 63 | |
| 64 | static struct s3c2410_uartcfg jive_uartcfgs[] = { |
| 65 | [0] = { |
| 66 | .hwport = 0, |
| 67 | .flags = 0, |
| 68 | .ucon = UCON, |
| 69 | .ulcon = ULCON, |
| 70 | .ufcon = UFCON, |
| 71 | }, |
| 72 | [1] = { |
| 73 | .hwport = 1, |
| 74 | .flags = 0, |
| 75 | .ucon = UCON, |
| 76 | .ulcon = ULCON, |
| 77 | .ufcon = UFCON, |
| 78 | }, |
| 79 | [2] = { |
| 80 | .hwport = 2, |
| 81 | .flags = 0, |
| 82 | .ucon = UCON, |
| 83 | .ulcon = ULCON, |
| 84 | .ufcon = UFCON, |
| 85 | } |
| 86 | }; |
| 87 | |
| 88 | /* Jive flash assignment |
| 89 | * |
| 90 | * 0x00000000-0x00028000 : uboot |
| 91 | * 0x00028000-0x0002c000 : uboot env |
| 92 | * 0x0002c000-0x00030000 : spare |
| 93 | * 0x00030000-0x00200000 : zimage A |
| 94 | * 0x00200000-0x01600000 : cramfs A |
| 95 | * 0x01600000-0x017d0000 : zimage B |
| 96 | * 0x017d0000-0x02bd0000 : cramfs B |
| 97 | * 0x02bd0000-0x03fd0000 : yaffs |
| 98 | */ |
| 99 | static struct mtd_partition jive_imageA_nand_part[] = { |
| 100 | |
| 101 | #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER |
| 102 | /* Don't allow access to the bootloader from linux */ |
| 103 | { |
| 104 | .name = "uboot", |
| 105 | .offset = 0, |
| 106 | .size = (160 * SZ_1K), |
| 107 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 108 | }, |
| 109 | |
| 110 | /* spare */ |
| 111 | { |
| 112 | .name = "spare", |
| 113 | .offset = (176 * SZ_1K), |
| 114 | .size = (16 * SZ_1K), |
| 115 | }, |
| 116 | #endif |
| 117 | |
| 118 | /* booted images */ |
| 119 | { |
| 120 | .name = "kernel (ro)", |
| 121 | .offset = (192 * SZ_1K), |
| 122 | .size = (SZ_2M) - (192 * SZ_1K), |
| 123 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 124 | }, { |
| 125 | .name = "root (ro)", |
| 126 | .offset = (SZ_2M), |
| 127 | .size = (20 * SZ_1M), |
| 128 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 129 | }, |
| 130 | |
| 131 | /* yaffs */ |
| 132 | { |
| 133 | .name = "yaffs", |
| 134 | .offset = (44 * SZ_1M), |
| 135 | .size = (20 * SZ_1M), |
| 136 | }, |
| 137 | |
| 138 | /* bootloader environment */ |
| 139 | { |
| 140 | .name = "env", |
| 141 | .offset = (160 * SZ_1K), |
| 142 | .size = (16 * SZ_1K), |
| 143 | }, |
| 144 | |
| 145 | /* upgrade images */ |
| 146 | { |
| 147 | .name = "zimage", |
| 148 | .offset = (22 * SZ_1M), |
| 149 | .size = (2 * SZ_1M) - (192 * SZ_1K), |
| 150 | }, { |
| 151 | .name = "cramfs", |
| 152 | .offset = (24 * SZ_1M) - (192*SZ_1K), |
| 153 | .size = (20 * SZ_1M), |
| 154 | }, |
| 155 | }; |
| 156 | |
| 157 | static struct mtd_partition jive_imageB_nand_part[] = { |
| 158 | |
| 159 | #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER |
| 160 | /* Don't allow access to the bootloader from linux */ |
| 161 | { |
| 162 | .name = "uboot", |
| 163 | .offset = 0, |
| 164 | .size = (160 * SZ_1K), |
| 165 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 166 | }, |
| 167 | |
| 168 | /* spare */ |
| 169 | { |
| 170 | .name = "spare", |
| 171 | .offset = (176 * SZ_1K), |
| 172 | .size = (16 * SZ_1K), |
| 173 | }, |
| 174 | #endif |
| 175 | |
| 176 | /* booted images */ |
| 177 | { |
| 178 | .name = "kernel (ro)", |
| 179 | .offset = (22 * SZ_1M), |
| 180 | .size = (2 * SZ_1M) - (192 * SZ_1K), |
| 181 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 182 | }, |
| 183 | { |
| 184 | .name = "root (ro)", |
| 185 | .offset = (24 * SZ_1M) - (192 * SZ_1K), |
| 186 | .size = (20 * SZ_1M), |
| 187 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 188 | }, |
| 189 | |
| 190 | /* yaffs */ |
| 191 | { |
| 192 | .name = "yaffs", |
| 193 | .offset = (44 * SZ_1M), |
| 194 | .size = (20 * SZ_1M), |
| 195 | }, |
| 196 | |
| 197 | /* bootloader environment */ |
| 198 | { |
| 199 | .name = "env", |
| 200 | .offset = (160 * SZ_1K), |
| 201 | .size = (16 * SZ_1K), |
| 202 | }, |
| 203 | |
| 204 | /* upgrade images */ |
| 205 | { |
| 206 | .name = "zimage", |
| 207 | .offset = (192 * SZ_1K), |
| 208 | .size = (2 * SZ_1M) - (192 * SZ_1K), |
| 209 | }, { |
| 210 | .name = "cramfs", |
| 211 | .offset = (2 * SZ_1M), |
| 212 | .size = (20 * SZ_1M), |
| 213 | }, |
| 214 | }; |
| 215 | |
| 216 | static struct s3c2410_nand_set jive_nand_sets[] = { |
| 217 | [0] = { |
| 218 | .name = "flash", |
| 219 | .nr_chips = 1, |
| 220 | .nr_partitions = ARRAY_SIZE(jive_imageA_nand_part), |
| 221 | .partitions = jive_imageA_nand_part, |
| 222 | }, |
| 223 | }; |
| 224 | |
| 225 | static struct s3c2410_platform_nand jive_nand_info = { |
| 226 | /* set taken from osiris nand timings, possibly still conservative */ |
| 227 | .tacls = 30, |
| 228 | .twrph0 = 55, |
| 229 | .twrph1 = 40, |
| 230 | .sets = jive_nand_sets, |
| 231 | .nr_sets = ARRAY_SIZE(jive_nand_sets), |
| 232 | }; |
| 233 | |
| 234 | static int __init jive_mtdset(char *options) |
| 235 | { |
| 236 | struct s3c2410_nand_set *nand = &jive_nand_sets[0]; |
| 237 | unsigned long set; |
| 238 | |
| 239 | if (options == NULL || options[0] == '\0') |
| 240 | return 0; |
| 241 | |
| 242 | if (strict_strtoul(options, 10, &set)) { |
| 243 | printk(KERN_ERR "failed to parse mtdset=%s\n", options); |
| 244 | return 0; |
| 245 | } |
| 246 | |
| 247 | switch (set) { |
| 248 | case 1: |
| 249 | nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part); |
| 250 | nand->partitions = jive_imageB_nand_part; |
| 251 | case 0: |
| 252 | /* this is already setup in the nand info */ |
| 253 | break; |
| 254 | default: |
| 255 | printk(KERN_ERR "Unknown mtd set %ld specified," |
| 256 | "using default.", set); |
| 257 | } |
| 258 | |
| 259 | return 0; |
| 260 | } |
| 261 | |
| 262 | /* parse the mtdset= option given to the kernel command line */ |
| 263 | __setup("mtdset=", jive_mtdset); |
| 264 | |
Ben Dooks | 0f99263 | 2008-07-03 11:24:31 +0100 | [diff] [blame] | 265 | /* LCD timing and setup */ |
| 266 | |
| 267 | #define LCD_XRES (240) |
| 268 | #define LCD_YRES (320) |
| 269 | #define LCD_LEFT_MARGIN (12) |
| 270 | #define LCD_RIGHT_MARGIN (12) |
| 271 | #define LCD_LOWER_MARGIN (12) |
| 272 | #define LCD_UPPER_MARGIN (12) |
| 273 | #define LCD_VSYNC (2) |
| 274 | #define LCD_HSYNC (2) |
| 275 | |
| 276 | #define LCD_REFRESH (60) |
| 277 | |
| 278 | #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN) |
| 279 | #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN) |
| 280 | |
| 281 | struct s3c2410fb_display jive_vgg2432a4_display[] = { |
| 282 | [0] = { |
| 283 | .width = LCD_XRES, |
| 284 | .height = LCD_YRES, |
| 285 | .xres = LCD_XRES, |
| 286 | .yres = LCD_YRES, |
| 287 | .left_margin = LCD_LEFT_MARGIN, |
| 288 | .right_margin = LCD_RIGHT_MARGIN, |
| 289 | .upper_margin = LCD_UPPER_MARGIN, |
| 290 | .lower_margin = LCD_LOWER_MARGIN, |
| 291 | .hsync_len = LCD_HSYNC, |
| 292 | .vsync_len = LCD_VSYNC, |
| 293 | |
| 294 | .pixclock = (1000000000000LL / |
| 295 | (LCD_REFRESH * LCD_HTOT * LCD_VTOT)), |
| 296 | |
| 297 | .bpp = 16, |
| 298 | .type = (S3C2410_LCDCON1_TFT16BPP | |
| 299 | S3C2410_LCDCON1_TFT), |
| 300 | |
| 301 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | |
| 302 | S3C2410_LCDCON5_INVVLINE | |
| 303 | S3C2410_LCDCON5_INVVFRAME | |
| 304 | S3C2410_LCDCON5_INVVDEN | |
| 305 | S3C2410_LCDCON5_PWREN), |
| 306 | }, |
| 307 | }; |
| 308 | |
| 309 | /* todo - put into gpio header */ |
| 310 | |
| 311 | #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) |
| 312 | #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) |
| 313 | |
| 314 | struct s3c2410fb_mach_info jive_lcd_config = { |
| 315 | .displays = jive_vgg2432a4_display, |
| 316 | .num_displays = ARRAY_SIZE(jive_vgg2432a4_display), |
| 317 | .default_display = 0, |
| 318 | |
| 319 | /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN |
| 320 | * and disable the pull down resistors on pins we are using for LCD |
| 321 | * data. */ |
| 322 | |
| 323 | .gpcup = (0xf << 1) | (0x3f << 10), |
| 324 | |
| 325 | .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | |
| 326 | S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | |
| 327 | S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | |
| 328 | S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | |
| 329 | S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), |
| 330 | |
| 331 | .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | |
| 332 | S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | |
| 333 | S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | |
| 334 | S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | |
| 335 | S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), |
| 336 | |
| 337 | .gpdup = (0x3f << 2) | (0x3f << 10), |
| 338 | |
| 339 | .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | |
| 340 | S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | |
| 341 | S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | |
| 342 | S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | |
| 343 | S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | |
| 344 | S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), |
| 345 | |
| 346 | .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | |
| 347 | S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | |
| 348 | S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | |
| 349 | S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| |
| 350 | S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| |
| 351 | S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), |
| 352 | }; |
| 353 | |
Ben Dooks | c2c1708 | 2008-07-03 11:24:33 +0100 | [diff] [blame] | 354 | /* ILI9320 support. */ |
| 355 | |
| 356 | static void jive_lcm_reset(unsigned int set) |
| 357 | { |
| 358 | printk(KERN_DEBUG "%s(%d)\n", __func__, set); |
| 359 | |
| 360 | s3c2410_gpio_setpin(S3C2410_GPG13, set); |
| 361 | s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT); |
| 362 | } |
| 363 | |
| 364 | #undef LCD_UPPER_MARGIN |
| 365 | #define LCD_UPPER_MARGIN 2 |
| 366 | |
| 367 | static struct ili9320_platdata jive_lcm_config = { |
| 368 | .hsize = LCD_XRES, |
| 369 | .vsize = LCD_YRES, |
| 370 | |
| 371 | .reset = jive_lcm_reset, |
| 372 | .suspend = ILI9320_SUSPEND_DEEP, |
| 373 | |
| 374 | .entry_mode = ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR, |
| 375 | .display2 = (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN) | |
| 376 | ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN)), |
| 377 | .display3 = 0x0, |
| 378 | .display4 = 0x0, |
| 379 | .rgb_if1 = (ILI9320_RGBIF1_RIM_RGB18 | |
| 380 | ILI9320_RGBIF1_RM | ILI9320_RGBIF1_CLK_RGBIF), |
| 381 | .rgb_if2 = ILI9320_RGBIF2_DPL, |
| 382 | .interface2 = 0x0, |
| 383 | .interface3 = 0x3, |
| 384 | .interface4 = (ILI9320_INTERFACE4_RTNE(16) | |
| 385 | ILI9320_INTERFACE4_DIVE(1)), |
| 386 | .interface5 = 0x0, |
| 387 | .interface6 = 0x0, |
| 388 | }; |
| 389 | |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 390 | /* LCD SPI support */ |
| 391 | |
| 392 | static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs) |
| 393 | { |
| 394 | s3c2410_gpio_setpin(S3C2410_GPB7, cs ? 0 : 1); |
| 395 | } |
| 396 | |
| 397 | static struct s3c2410_spigpio_info jive_lcd_spi = { |
Ben Dooks | df9f17e | 2008-08-26 22:54:07 +0100 | [diff] [blame] | 398 | .bus_num = 1, |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 399 | .pin_clk = S3C2410_GPG8, |
| 400 | .pin_mosi = S3C2410_GPB8, |
| 401 | .chip_select = jive_lcd_spi_chipselect, |
| 402 | }; |
| 403 | |
| 404 | static struct platform_device jive_device_lcdspi = { |
| 405 | .name = "s3c24xx-spi-gpio", |
| 406 | .id = 1, |
| 407 | .num_resources = 0, |
| 408 | .dev.platform_data = &jive_lcd_spi, |
| 409 | }; |
| 410 | |
Ben Dooks | fd2de27 | 2008-07-03 11:24:34 +0100 | [diff] [blame] | 411 | /* WM8750 audio code SPI definition */ |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 412 | |
Ben Dooks | fd2de27 | 2008-07-03 11:24:34 +0100 | [diff] [blame] | 413 | static void jive_wm8750_chipselect(struct s3c2410_spigpio_info *spi, int cs) |
| 414 | { |
| 415 | s3c2410_gpio_setpin(S3C2410_GPH10, cs ? 0 : 1); |
| 416 | } |
| 417 | |
| 418 | static struct s3c2410_spigpio_info jive_wm8750_spi = { |
| 419 | .bus_num = 2, |
| 420 | .pin_clk = S3C2410_GPB4, |
| 421 | .pin_mosi = S3C2410_GPB9, |
| 422 | .chip_select = jive_wm8750_chipselect, |
| 423 | }; |
| 424 | |
| 425 | static struct platform_device jive_device_wm8750 = { |
| 426 | .name = "s3c24xx-spi-gpio", |
| 427 | .id = 2, |
| 428 | .num_resources = 0, |
| 429 | .dev.platform_data = &jive_wm8750_spi, |
| 430 | }; |
| 431 | |
| 432 | /* JIVE SPI devices. */ |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 433 | |
| 434 | static struct spi_board_info __initdata jive_spi_devs[] = { |
| 435 | [0] = { |
| 436 | .modalias = "VGG2432A4", |
| 437 | .bus_num = 1, |
| 438 | .chip_select = 0, |
| 439 | .mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */ |
| 440 | .max_speed_hz = 100000, |
Ben Dooks | c2c1708 | 2008-07-03 11:24:33 +0100 | [diff] [blame] | 441 | .platform_data = &jive_lcm_config, |
Ben Dooks | fd2de27 | 2008-07-03 11:24:34 +0100 | [diff] [blame] | 442 | }, { |
| 443 | .modalias = "WM8750", |
| 444 | .bus_num = 2, |
| 445 | .chip_select = 0, |
| 446 | .mode = SPI_MODE_0, /* CPOL=0, CPHA=0 */ |
| 447 | .max_speed_hz = 100000, |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 448 | }, |
| 449 | }; |
| 450 | |
Ben Dooks | d10d8a5 | 2008-07-03 11:24:35 +0100 | [diff] [blame] | 451 | /* I2C bus and device configuration. */ |
| 452 | |
| 453 | static struct s3c2410_platform_i2c jive_i2c_cfg = { |
| 454 | .max_freq = 80 * 1000, |
| 455 | .bus_freq = 50 * 1000, |
| 456 | .flags = S3C_IICFLG_FILTER, |
| 457 | .sda_delay = 2, |
| 458 | }; |
| 459 | |
| 460 | static struct i2c_board_info jive_i2c_devs[] = { |
| 461 | [0] = { |
| 462 | I2C_BOARD_INFO("lis302dl", 0x1c), |
| 463 | .irq = IRQ_EINT14, |
| 464 | }, |
| 465 | }; |
| 466 | |
| 467 | /* The platform devices being used. */ |
| 468 | |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 469 | static struct platform_device *jive_devices[] __initdata = { |
| 470 | &s3c_device_usb, |
| 471 | &s3c_device_rtc, |
| 472 | &s3c_device_wdt, |
| 473 | &s3c_device_i2c, |
Ben Dooks | 0f99263 | 2008-07-03 11:24:31 +0100 | [diff] [blame] | 474 | &s3c_device_lcd, |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 475 | &jive_device_lcdspi, |
Ben Dooks | fd2de27 | 2008-07-03 11:24:34 +0100 | [diff] [blame] | 476 | &jive_device_wm8750, |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 477 | &s3c_device_nand, |
| 478 | &s3c_device_usbgadget, |
| 479 | }; |
| 480 | |
| 481 | static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = { |
| 482 | .vbus_pin = S3C2410_GPG1, /* detect is on GPG1 */ |
| 483 | }; |
| 484 | |
| 485 | /* Jive power management device */ |
| 486 | |
| 487 | #ifdef CONFIG_PM |
| 488 | static int jive_pm_suspend(struct sys_device *sd, pm_message_t state) |
| 489 | { |
| 490 | /* Write the magic value u-boot uses to check for resume into |
| 491 | * the INFORM0 register, and ensure INFORM1 is set to the |
| 492 | * correct address to resume from. */ |
| 493 | |
| 494 | __raw_writel(0x2BED, S3C2412_INFORM0); |
| 495 | __raw_writel(virt_to_phys(s3c2410_cpu_resume), S3C2412_INFORM1); |
| 496 | |
| 497 | return 0; |
| 498 | } |
| 499 | |
| 500 | static int jive_pm_resume(struct sys_device *sd) |
| 501 | { |
| 502 | __raw_writel(0x0, S3C2412_INFORM0); |
| 503 | return 0; |
| 504 | } |
| 505 | |
| 506 | #else |
| 507 | #define jive_pm_suspend NULL |
| 508 | #define jive_pm_resume NULL |
| 509 | #endif |
| 510 | |
| 511 | static struct sysdev_class jive_pm_sysclass = { |
| 512 | .name = "jive-pm", |
| 513 | .suspend = jive_pm_suspend, |
| 514 | .resume = jive_pm_resume, |
| 515 | }; |
| 516 | |
| 517 | static struct sys_device jive_pm_sysdev = { |
| 518 | .cls = &jive_pm_sysclass, |
| 519 | }; |
| 520 | |
| 521 | static void __init jive_map_io(void) |
| 522 | { |
| 523 | s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc)); |
| 524 | s3c24xx_init_clocks(12000000); |
| 525 | s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs)); |
| 526 | } |
| 527 | |
Ben Dooks | dd1086f | 2008-07-03 11:24:36 +0100 | [diff] [blame] | 528 | static void jive_power_off(void) |
| 529 | { |
| 530 | printk(KERN_INFO "powering system down...\n"); |
| 531 | |
| 532 | s3c2410_gpio_setpin(S3C2410_GPC5, 1); |
| 533 | s3c2410_gpio_cfgpin(S3C2410_GPC5, S3C2410_GPIO_OUTPUT); |
| 534 | } |
| 535 | |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 536 | static void __init jive_machine_init(void) |
| 537 | { |
| 538 | /* register system devices for managing low level suspend */ |
| 539 | |
| 540 | sysdev_class_register(&jive_pm_sysclass); |
| 541 | sysdev_register(&jive_pm_sysdev); |
| 542 | |
Ben Dooks | 54c272a | 2008-07-03 11:24:30 +0100 | [diff] [blame] | 543 | /* write our sleep configurations for the IO. Pull down all unused |
| 544 | * IO, ensure that we have turned off all peripherals we do not |
| 545 | * need, and configure the ones we do need. */ |
| 546 | |
| 547 | /* Port B sleep */ |
| 548 | |
| 549 | __raw_writel(S3C2412_SLPCON_IN(0) | |
| 550 | S3C2412_SLPCON_PULL(1) | |
| 551 | S3C2412_SLPCON_HIGH(2) | |
| 552 | S3C2412_SLPCON_PULL(3) | |
| 553 | S3C2412_SLPCON_PULL(4) | |
| 554 | S3C2412_SLPCON_PULL(5) | |
| 555 | S3C2412_SLPCON_PULL(6) | |
| 556 | S3C2412_SLPCON_HIGH(7) | |
| 557 | S3C2412_SLPCON_PULL(8) | |
| 558 | S3C2412_SLPCON_PULL(9) | |
| 559 | S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON); |
| 560 | |
| 561 | /* Port C sleep */ |
| 562 | |
| 563 | __raw_writel(S3C2412_SLPCON_PULL(0) | |
| 564 | S3C2412_SLPCON_PULL(1) | |
| 565 | S3C2412_SLPCON_PULL(2) | |
| 566 | S3C2412_SLPCON_PULL(3) | |
| 567 | S3C2412_SLPCON_PULL(4) | |
| 568 | S3C2412_SLPCON_PULL(5) | |
| 569 | S3C2412_SLPCON_LOW(6) | |
| 570 | S3C2412_SLPCON_PULL(6) | |
| 571 | S3C2412_SLPCON_PULL(7) | |
| 572 | S3C2412_SLPCON_PULL(8) | |
| 573 | S3C2412_SLPCON_PULL(9) | |
| 574 | S3C2412_SLPCON_PULL(10) | |
| 575 | S3C2412_SLPCON_PULL(11) | |
| 576 | S3C2412_SLPCON_PULL(12) | |
| 577 | S3C2412_SLPCON_PULL(13) | |
| 578 | S3C2412_SLPCON_PULL(14) | |
| 579 | S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON); |
| 580 | |
| 581 | /* Port D sleep */ |
| 582 | |
| 583 | __raw_writel(S3C2412_SLPCON_ALL_PULL, S3C2412_GPDSLPCON); |
| 584 | |
| 585 | /* Port F sleep */ |
| 586 | |
| 587 | __raw_writel(S3C2412_SLPCON_LOW(0) | |
| 588 | S3C2412_SLPCON_LOW(1) | |
| 589 | S3C2412_SLPCON_LOW(2) | |
| 590 | S3C2412_SLPCON_EINT(3) | |
| 591 | S3C2412_SLPCON_EINT(4) | |
| 592 | S3C2412_SLPCON_EINT(5) | |
| 593 | S3C2412_SLPCON_EINT(6) | |
| 594 | S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON); |
| 595 | |
| 596 | /* Port G sleep */ |
| 597 | |
| 598 | __raw_writel(S3C2412_SLPCON_IN(0) | |
| 599 | S3C2412_SLPCON_IN(1) | |
| 600 | S3C2412_SLPCON_IN(2) | |
| 601 | S3C2412_SLPCON_IN(3) | |
| 602 | S3C2412_SLPCON_IN(4) | |
| 603 | S3C2412_SLPCON_IN(5) | |
| 604 | S3C2412_SLPCON_IN(6) | |
| 605 | S3C2412_SLPCON_IN(7) | |
| 606 | S3C2412_SLPCON_PULL(8) | |
| 607 | S3C2412_SLPCON_PULL(9) | |
| 608 | S3C2412_SLPCON_IN(10) | |
| 609 | S3C2412_SLPCON_PULL(11) | |
| 610 | S3C2412_SLPCON_PULL(12) | |
| 611 | S3C2412_SLPCON_PULL(13) | |
| 612 | S3C2412_SLPCON_IN(14) | |
| 613 | S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON); |
| 614 | |
| 615 | /* Port H sleep */ |
| 616 | |
| 617 | __raw_writel(S3C2412_SLPCON_PULL(0) | |
| 618 | S3C2412_SLPCON_PULL(1) | |
| 619 | S3C2412_SLPCON_PULL(2) | |
| 620 | S3C2412_SLPCON_PULL(3) | |
| 621 | S3C2412_SLPCON_PULL(4) | |
| 622 | S3C2412_SLPCON_PULL(5) | |
| 623 | S3C2412_SLPCON_PULL(6) | |
| 624 | S3C2412_SLPCON_IN(7) | |
| 625 | S3C2412_SLPCON_IN(8) | |
| 626 | S3C2412_SLPCON_PULL(9) | |
| 627 | S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON); |
| 628 | |
| 629 | /* initialise the power management now we've setup everything. */ |
| 630 | |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 631 | s3c2410_pm_init(); |
| 632 | |
| 633 | s3c_device_nand.dev.platform_data = &jive_nand_info; |
| 634 | |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 635 | /* initialise the spi */ |
| 636 | |
| 637 | s3c2410_gpio_setpin(S3C2410_GPG13, 0); |
| 638 | s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT); |
| 639 | |
| 640 | s3c2410_gpio_setpin(S3C2410_GPB7, 1); |
| 641 | s3c2410_gpio_cfgpin(S3C2410_GPB7, S3C2410_GPIO_OUTPUT); |
| 642 | |
| 643 | s3c2410_gpio_setpin(S3C2410_GPB6, 0); |
| 644 | s3c2410_gpio_cfgpin(S3C2410_GPB6, S3C2410_GPIO_OUTPUT); |
| 645 | |
| 646 | s3c2410_gpio_setpin(S3C2410_GPG8, 1); |
| 647 | s3c2410_gpio_cfgpin(S3C2410_GPG8, S3C2410_GPIO_OUTPUT); |
| 648 | |
Ben Dooks | fd2de27 | 2008-07-03 11:24:34 +0100 | [diff] [blame] | 649 | /* initialise the WM8750 spi */ |
| 650 | |
| 651 | s3c2410_gpio_setpin(S3C2410_GPH10, 1); |
| 652 | s3c2410_gpio_cfgpin(S3C2410_GPH10, S3C2410_GPIO_OUTPUT); |
| 653 | |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 654 | /* Turn off suspend on both USB ports, and switch the |
| 655 | * selectable USB port to USB device mode. */ |
| 656 | |
| 657 | s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | |
| 658 | S3C2410_MISCCR_USBSUSPND0 | |
| 659 | S3C2410_MISCCR_USBSUSPND1, 0x0); |
| 660 | |
| 661 | s3c24xx_udc_set_platdata(&jive_udc_cfg); |
Ben Dooks | 0f99263 | 2008-07-03 11:24:31 +0100 | [diff] [blame] | 662 | s3c24xx_fb_set_platdata(&jive_lcd_config); |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 663 | |
Ben Dooks | a2ed406 | 2008-07-03 11:24:32 +0100 | [diff] [blame] | 664 | spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs)); |
| 665 | |
Ben Dooks | d10d8a5 | 2008-07-03 11:24:35 +0100 | [diff] [blame] | 666 | s3c_device_i2c.dev.platform_data = &jive_i2c_cfg; |
| 667 | i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs)); |
| 668 | |
Ben Dooks | dd1086f | 2008-07-03 11:24:36 +0100 | [diff] [blame] | 669 | pm_power_off = jive_power_off; |
| 670 | |
Ben Dooks | 9db829f | 2008-07-03 11:24:29 +0100 | [diff] [blame] | 671 | platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices)); |
| 672 | } |
| 673 | |
| 674 | MACHINE_START(JIVE, "JIVE") |
| 675 | /* Maintainer: Ben Dooks <ben@fluff.org> */ |
| 676 | .phys_io = S3C2410_PA_UART, |
| 677 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, |
| 678 | .boot_params = S3C2410_SDRAM_PA + 0x100, |
| 679 | |
| 680 | .init_irq = s3c24xx_init_irq, |
| 681 | .map_io = jive_map_io, |
| 682 | .init_machine = jive_machine_init, |
| 683 | .timer = &s3c24xx_timer, |
| 684 | MACHINE_END |