arch/arm/mach-s3c2410/mach-bast.c

   1 /* linux/arch/arm/mach-s3c2410/mach-bast.c
   2  *
   3  * Copyright (c) 2003-2005 Simtec Electronics
   4  *   Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * http://www.simtec.co.uk/products/EB2410ITX/
   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>
  20 #include <linux/serial_core.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/dm9000.h>
  23 #include <linux/ata_platform.h>
  24
  25 #include <net/ax88796.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <asm/arch/bast-map.h>
  32 #include <asm/arch/bast-irq.h>
  33 #include <asm/arch/bast-cpld.h>
  34
  35 #include <asm/hardware.h>
  36 #include <asm/io.h>
  37 #include <asm/irq.h>
  38 #include <asm/mach-types.h>
  39
  40 //#include <asm/debug-ll.h>
  41 #include <asm/plat-s3c/regs-serial.h>
  42 #include <asm/arch/regs-gpio.h>
  43 #include <asm/arch/regs-mem.h>
  44 #include <asm/arch/regs-lcd.h>
  45
  46 #include <asm/plat-s3c/nand.h>
  47 #include <asm/plat-s3c/iic.h>
  48 #include <asm/arch/fb.h>
  49
  50 #include <linux/mtd/mtd.h>
  51 #include <linux/mtd/nand.h>
  52 #include <linux/mtd/nand_ecc.h>
  53 #include <linux/mtd/partitions.h>
  54
  55 #include <linux/serial_8250.h>
  56
  57 #include <asm/plat-s3c24xx/clock.h>
  58 #include <asm/plat-s3c24xx/devs.h>
  59 #include <asm/plat-s3c24xx/cpu.h>
  60
  61 #include "usb-simtec.h"
  62 #include "nor-simtec.h"
  63
  64 #define COPYRIGHT ", (c) 2004-2005 Simtec Electronics"
  65
  66 /* macros for virtual address mods for the io space entries */
  67 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
  68 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
  69 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
  70 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
  71
  72 /* macros to modify the physical addresses for io space */
  73
  74 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
  75 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
  76 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
  77 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
  78
  79 static struct map_desc bast_iodesc[] __initdata = {
  80   /* ISA IO areas */
  81   {
  82           .virtual      = (u32)S3C24XX_VA_ISA_BYTE,
  83           .pfn          = PA_CS2(BAST_PA_ISAIO),
  84           .length       = SZ_16M,
  85           .type         = MT_DEVICE,
  86   }, {
  87           .virtual      = (u32)S3C24XX_VA_ISA_WORD,
  88           .pfn          = PA_CS3(BAST_PA_ISAIO),
  89           .length       = SZ_16M,
  90           .type         = MT_DEVICE,
  91   },
  92   /* bast CPLD control registers, and external interrupt controls */
  93   {
  94           .virtual      = (u32)BAST_VA_CTRL1,
  95           .pfn          = __phys_to_pfn(BAST_PA_CTRL1),
  96           .length       = SZ_1M,
  97           .type         = MT_DEVICE,
  98   }, {
  99           .virtual      = (u32)BAST_VA_CTRL2,
 100           .pfn          = __phys_to_pfn(BAST_PA_CTRL2),
 101           .length       = SZ_1M,
 102           .type         = MT_DEVICE,
 103   }, {
 104           .virtual      = (u32)BAST_VA_CTRL3,
 105           .pfn          = __phys_to_pfn(BAST_PA_CTRL3),
 106           .length       = SZ_1M,
 107           .type         = MT_DEVICE,
 108   }, {
 109           .virtual      = (u32)BAST_VA_CTRL4,
 110           .pfn          = __phys_to_pfn(BAST_PA_CTRL4),
 111           .length       = SZ_1M,
 112           .type         = MT_DEVICE,
 113   },
 114   /* PC104 IRQ mux */
 115   {
 116           .virtual      = (u32)BAST_VA_PC104_IRQREQ,
 117           .pfn          = __phys_to_pfn(BAST_PA_PC104_IRQREQ),
 118           .length       = SZ_1M,
 119           .type         = MT_DEVICE,
 120   }, {
 121           .virtual      = (u32)BAST_VA_PC104_IRQRAW,
 122           .pfn          = __phys_to_pfn(BAST_PA_PC104_IRQRAW),
 123           .length       = SZ_1M,
 124           .type         = MT_DEVICE,
 125   }, {
 126           .virtual      = (u32)BAST_VA_PC104_IRQMASK,
 127           .pfn          = __phys_to_pfn(BAST_PA_PC104_IRQMASK),
 128           .length       = SZ_1M,
 129           .type         = MT_DEVICE,
 130   },
 131
 132   /* peripheral space... one for each of fast/slow/byte/16bit */
 133   /* note, ide is only decoded in word space, even though some registers
 134    * are only 8bit */
 135
 136   /* slow, byte */
 137   { VA_C2(BAST_VA_ISAIO),   PA_CS2(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
 138   { VA_C2(BAST_VA_ISAMEM),  PA_CS2(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
 139   { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
 140
 141   /* slow, word */
 142   { VA_C3(BAST_VA_ISAIO),   PA_CS3(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
 143   { VA_C3(BAST_VA_ISAMEM),  PA_CS3(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
 144   { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
 145
 146   /* fast, byte */
 147   { VA_C4(BAST_VA_ISAIO),   PA_CS4(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
 148   { VA_C4(BAST_VA_ISAMEM),  PA_CS4(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
 149   { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
 150
 151   /* fast, word */
 152   { VA_C5(BAST_VA_ISAIO),   PA_CS5(BAST_PA_ISAIO),    SZ_16M, MT_DEVICE },
 153   { VA_C5(BAST_VA_ISAMEM),  PA_CS5(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
 154   { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
 155 };
 156
 157 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
 158 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 159 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
 160
 161 static struct s3c24xx_uart_clksrc bast_serial_clocks[] = {
 162         [0] = {
 163                 .name           = "uclk",
 164                 .divisor        = 1,
 165                 .min_baud       = 0,
 166                 .max_baud       = 0,
 167         },
 168         [1] = {
 169                 .name           = "pclk",
 170                 .divisor        = 1,
 171                 .min_baud       = 0,
 172                 .max_baud       = 0,
 173         }
 174 };
 175
 176
 177 static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
 178         [0] = {
 179                 .hwport      = 0,
 180                 .flags       = 0,
 181                 .ucon        = UCON,
 182                 .ulcon       = ULCON,
 183                 .ufcon       = UFCON,
 184                 .clocks      = bast_serial_clocks,
 185                 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
 186         },
 187         [1] = {
 188                 .hwport      = 1,
 189                 .flags       = 0,
 190                 .ucon        = UCON,
 191                 .ulcon       = ULCON,
 192                 .ufcon       = UFCON,
 193                 .clocks      = bast_serial_clocks,
 194                 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
 195         },
 196         /* port 2 is not actually used */
 197         [2] = {
 198                 .hwport      = 2,
 199                 .flags       = 0,
 200                 .ucon        = UCON,
 201                 .ulcon       = ULCON,
 202                 .ufcon       = UFCON,
 203                 .clocks      = bast_serial_clocks,
 204                 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
 205         }
 206 };
 207
 208 /* NAND Flash on BAST board */
 209
 210 #ifdef CONFIG_PM
 211 static int bast_pm_suspend(struct sys_device *sd, pm_message_t state)
 212 {
 213         /* ensure that an nRESET is not generated on resume. */
 214         s3c2410_gpio_setpin(S3C2410_GPA21, 1);
 215         s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_OUT);
 216
 217         return 0;
 218 }
 219
 220 static int bast_pm_resume(struct sys_device *sd)
 221 {
 222         s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_nRSTOUT);
 223         return 0;
 224 }
 225
 226 #else
 227 #define bast_pm_suspend NULL
 228 #define bast_pm_resume NULL
 229 #endif
 230
 231 static struct sysdev_class bast_pm_sysclass = {
 232         .name           = "mach-bast",
 233         .suspend        = bast_pm_suspend,
 234         .resume         = bast_pm_resume,
 235 };
 236
 237 static struct sys_device bast_pm_sysdev = {
 238         .cls            = &bast_pm_sysclass,
 239 };
 240
 241 static int smartmedia_map[] = { 0 };
 242 static int chip0_map[] = { 1 };
 243 static int chip1_map[] = { 2 };
 244 static int chip2_map[] = { 3 };
 245
 246 static struct mtd_partition bast_default_nand_part[] = {
 247         [0] = {
 248                 .name   = "Boot Agent",
 249                 .size   = SZ_16K,
 250                 .offset = 0,
 251         },
 252         [1] = {
 253                 .name   = "/boot",
 254                 .size   = SZ_4M - SZ_16K,
 255                 .offset = SZ_16K,
 256         },
 257         [2] = {
 258                 .name   = "user",
 259                 .offset = SZ_4M,
 260                 .size   = MTDPART_SIZ_FULL,
 261         }
 262 };
 263
 264 /* the bast has 4 selectable slots for nand-flash, the three
 265  * on-board chip areas, as well as the external SmartMedia
 266  * slot.
 267  *
 268  * Note, there is no current hot-plug support for the SmartMedia
 269  * socket.
 270 */
 271
 272 static struct s3c2410_nand_set bast_nand_sets[] = {
 273         [0] = {
 274                 .name           = "SmartMedia",
 275                 .nr_chips       = 1,
 276                 .nr_map         = smartmedia_map,
 277                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
 278                 .partitions     = bast_default_nand_part,
 279         },
 280         [1] = {
 281                 .name           = "chip0",
 282                 .nr_chips       = 1,
 283                 .nr_map         = chip0_map,
 284                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
 285                 .partitions     = bast_default_nand_part,
 286         },
 287         [2] = {
 288                 .name           = "chip1",
 289                 .nr_chips       = 1,
 290                 .nr_map         = chip1_map,
 291                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
 292                 .partitions     = bast_default_nand_part,
 293         },
 294         [3] = {
 295                 .name           = "chip2",
 296                 .nr_chips       = 1,
 297                 .nr_map         = chip2_map,
 298                 .nr_partitions  = ARRAY_SIZE(bast_default_nand_part),
 299                 .partitions     = bast_default_nand_part,
 300         }
 301 };
 302
 303 static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
 304 {
 305         unsigned int tmp;
 306
 307         slot = set->nr_map[slot] & 3;
 308
 309         pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
 310                  slot, set, set->nr_map);
 311
 312         tmp = __raw_readb(BAST_VA_CTRL2);
 313         tmp &= BAST_CPLD_CTLR2_IDERST;
 314         tmp |= slot;
 315         tmp |= BAST_CPLD_CTRL2_WNAND;
 316
 317         pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
 318
 319         __raw_writeb(tmp, BAST_VA_CTRL2);
 320 }
 321
 322 static struct s3c2410_platform_nand bast_nand_info = {
 323         .tacls          = 30,
 324         .twrph0         = 60,
 325         .twrph1         = 60,
 326         .nr_sets        = ARRAY_SIZE(bast_nand_sets),
 327         .sets           = bast_nand_sets,
 328         .select_chip    = bast_nand_select,
 329 };
 330
 331 /* DM9000 */
 332
 333 static struct resource bast_dm9k_resource[] = {
 334         [0] = {
 335                 .start = S3C2410_CS5 + BAST_PA_DM9000,
 336                 .end   = S3C2410_CS5 + BAST_PA_DM9000 + 3,
 337                 .flags = IORESOURCE_MEM,
 338         },
 339         [1] = {
 340                 .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40,
 341                 .end   = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f,
 342                 .flags = IORESOURCE_MEM,
 343         },
 344         [2] = {
 345                 .start = IRQ_DM9000,
 346                 .end   = IRQ_DM9000,
 347                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 348         }
 349
 350 };
 351
 352 /* for the moment we limit ourselves to 16bit IO until some
 353  * better IO routines can be written and tested
 354 */
 355
 356 static struct dm9000_plat_data bast_dm9k_platdata = {
 357         .flags          = DM9000_PLATF_16BITONLY,
 358 };
 359
 360 static struct platform_device bast_device_dm9k = {
 361         .name           = "dm9000",
 362         .id             = 0,
 363         .num_resources  = ARRAY_SIZE(bast_dm9k_resource),
 364         .resource       = bast_dm9k_resource,
 365         .dev            = {
 366                 .platform_data = &bast_dm9k_platdata,
 367         }
 368 };
 369
 370 /* serial devices */
 371
 372 #define SERIAL_BASE  (S3C2410_CS2 + BAST_PA_SUPERIO)
 373 #define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
 374 #define SERIAL_CLK   (1843200)
 375
 376 static struct plat_serial8250_port bast_sio_data[] = {
 377         [0] = {
 378                 .mapbase        = SERIAL_BASE + 0x2f8,
 379                 .irq            = IRQ_PCSERIAL1,
 380                 .flags          = SERIAL_FLAGS,
 381                 .iotype         = UPIO_MEM,
 382                 .regshift       = 0,
 383                 .uartclk        = SERIAL_CLK,
 384         },
 385         [1] = {
 386                 .mapbase        = SERIAL_BASE + 0x3f8,
 387                 .irq            = IRQ_PCSERIAL2,
 388                 .flags          = SERIAL_FLAGS,
 389                 .iotype         = UPIO_MEM,
 390                 .regshift       = 0,
 391                 .uartclk        = SERIAL_CLK,
 392         },
 393         { }
 394 };
 395
 396 static struct platform_device bast_sio = {
 397         .name                   = "serial8250",
 398         .id                     = PLAT8250_DEV_PLATFORM,
 399         .dev                    = {
 400                 .platform_data  = &bast_sio_data,
 401         },
 402 };
 403
 404 /* we have devices on the bus which cannot work much over the
 405  * standard 100KHz i2c bus frequency
 406 */
 407
 408 static struct s3c2410_platform_i2c bast_i2c_info = {
 409         .flags          = 0,
 410         .slave_addr     = 0x10,
 411         .bus_freq       = 100*1000,
 412         .max_freq       = 130*1000,
 413 };
 414
 415 /* Asix AX88796 10/100 ethernet controller */
 416
 417 static struct ax_plat_data bast_asix_platdata = {
 418         .flags          = AXFLG_MAC_FROMDEV,
 419         .wordlength     = 2,
 420         .dcr_val        = 0x48,
 421         .rcr_val        = 0x40,
 422 };
 423
 424 static struct resource bast_asix_resource[] = {
 425         [0] = {
 426                 .start = S3C2410_CS5 + BAST_PA_ASIXNET,
 427                 .end   = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20) - 1,
 428                 .flags = IORESOURCE_MEM,
 429         },
 430         [1] = {
 431                 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
 432                 .end   = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
 433                 .flags = IORESOURCE_MEM,
 434         },
 435         [2] = {
 436                 .start = IRQ_ASIX,
 437                 .end   = IRQ_ASIX,
 438                 .flags = IORESOURCE_IRQ
 439         }
 440 };
 441
 442 static struct platform_device bast_device_asix = {
 443         .name           = "ax88796",
 444         .id             = 0,
 445         .num_resources  = ARRAY_SIZE(bast_asix_resource),
 446         .resource       = bast_asix_resource,
 447         .dev            = {
 448                 .platform_data = &bast_asix_platdata
 449         }
 450 };
 451
 452 /* Asix AX88796 10/100 ethernet controller parallel port */
 453
 454 static struct resource bast_asixpp_resource[] = {
 455         [0] = {
 456                 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20),
 457                 .end   = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1b * 0x20) - 1,
 458                 .flags = IORESOURCE_MEM,
 459         }
 460 };
 461
 462 static struct platform_device bast_device_axpp = {
 463         .name           = "ax88796-pp",
 464         .id             = 0,
 465         .num_resources  = ARRAY_SIZE(bast_asixpp_resource),
 466         .resource       = bast_asixpp_resource,
 467 };
 468
 469 /* LCD/VGA controller */
 470
 471 static struct s3c2410fb_display __initdata bast_lcd_info[] = {
 472         {
 473                 .type           = S3C2410_LCDCON1_TFT,
 474                 .width          = 640,
 475                 .height         = 480,
 476
 477                 .pixclock       = 33333,
 478                 .xres           = 640,
 479                 .yres           = 480,
 480                 .bpp            = 4,
 481                 .left_margin    = 40,
 482                 .right_margin   = 20,
 483                 .hsync_len      = 88,
 484                 .upper_margin   = 30,
 485                 .lower_margin   = 32,
 486                 .vsync_len      = 3,
 487
 488                 .lcdcon5        = 0x00014b02,
 489         },
 490         {
 491                 .type           = S3C2410_LCDCON1_TFT,
 492                 .width          = 640,
 493                 .height         = 480,
 494
 495                 .pixclock       = 33333,
 496                 .xres           = 640,
 497                 .yres           = 480,
 498                 .bpp            = 8,
 499                 .left_margin    = 40,
 500                 .right_margin   = 20,
 501                 .hsync_len      = 88,
 502                 .upper_margin   = 30,
 503                 .lower_margin   = 32,
 504                 .vsync_len      = 3,
 505
 506                 .lcdcon5        = 0x00014b02,
 507         },
 508         {
 509                 .type           = S3C2410_LCDCON1_TFT,
 510                 .width          = 640,
 511                 .height         = 480,
 512
 513                 .pixclock       = 33333,
 514                 .xres           = 640,
 515                 .yres           = 480,
 516                 .bpp            = 16,
 517                 .left_margin    = 40,
 518                 .right_margin   = 20,
 519                 .hsync_len      = 88,
 520                 .upper_margin   = 30,
 521                 .lower_margin   = 32,
 522                 .vsync_len      = 3,
 523
 524                 .lcdcon5        = 0x00014b02,
 525         },
 526 };
 527
 528 /* LCD/VGA controller */
 529
 530 static struct s3c2410fb_mach_info __initdata bast_fb_info = {
 531
 532         .displays = bast_lcd_info,
 533         .num_displays = ARRAY_SIZE(bast_lcd_info),
 534         .default_display = 1,
 535 };
 536
 537
 538 /* Standard BAST devices */
 539
 540 static struct platform_device *bast_devices[] __initdata = {
 541         &s3c_device_usb,
 542         &s3c_device_lcd,
 543         &s3c_device_wdt,
 544         &s3c_device_i2c,
 545         &s3c_device_rtc,
 546         &s3c_device_nand,
 547         &bast_device_dm9k,
 548         &bast_device_asix,
 549         &bast_device_axpp,
 550         &bast_sio,
 551 };
 552
 553 static struct clk *bast_clocks[] = {
 554         &s3c24xx_dclk0,
 555         &s3c24xx_dclk1,
 556         &s3c24xx_clkout0,
 557         &s3c24xx_clkout1,
 558         &s3c24xx_uclk,
 559 };
 560
 561 static void __init bast_map_io(void)
 562 {
 563         /* initialise the clocks */
 564
 565         s3c24xx_dclk0.parent = &clk_upll;
 566         s3c24xx_dclk0.rate   = 12*1000*1000;
 567
 568         s3c24xx_dclk1.parent = &clk_upll;
 569         s3c24xx_dclk1.rate   = 24*1000*1000;
 570
 571         s3c24xx_clkout0.parent  = &s3c24xx_dclk0;
 572         s3c24xx_clkout1.parent  = &s3c24xx_dclk1;
 573
 574         s3c24xx_uclk.parent  = &s3c24xx_clkout1;
 575
 576         s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));
 577
 578         s3c_device_nand.dev.platform_data = &bast_nand_info;
 579         s3c_device_i2c.dev.platform_data = &bast_i2c_info;
 580
 581         s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
 582         s3c24xx_init_clocks(0);
 583         s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
 584
 585         usb_simtec_init();
 586 }
 587
 588 static void __init bast_init(void)
 589 {
 590         sysdev_class_register(&bast_pm_sysclass);
 591         sysdev_register(&bast_pm_sysdev);
 592
 593         s3c24xx_fb_set_platdata(&bast_fb_info);
 594         platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
 595
 596         nor_simtec_init();
 597 }
 598
 599 MACHINE_START(BAST, "Simtec-BAST")
 600         /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
 601         .phys_io        = S3C2410_PA_UART,
 602         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 603         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 604         .map_io         = bast_map_io,
 605         .init_irq       = s3c24xx_init_irq,
 606         .init_machine   = bast_init,
 607         .timer          = &s3c24xx_timer,
 608 MACHINE_END