arch/arm/mach-s3c24xx/common.c

   1 /* linux/arch/arm/plat-s3c24xx/cpu.c
   2  *
   3  * Copyright (c) 2004-2005 Simtec Electronics
   4  *      http://www.simtec.co.uk/products/SWLINUX/
   5  *      Ben Dooks <ben@simtec.co.uk>
   6  *
   7  * Common code for S3C24XX machines
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22 */
  23
  24
  25 #include <linux/init.h>
  26 #include <linux/module.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/ioport.h>
  29 #include <linux/serial_core.h>
  30 #include <clocksource/samsung_pwm.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/delay.h>
  33 #include <linux/io.h>
  34 #include <linux/platform_data/dma-s3c24xx.h>
  35
  36 #include <mach/hardware.h>
  37 #include <mach/regs-clock.h>
  38 #include <asm/irq.h>
  39 #include <asm/cacheflush.h>
  40 #include <asm/system_info.h>
  41 #include <asm/system_misc.h>
  42
  43 #include <asm/mach/arch.h>
  44 #include <asm/mach/map.h>
  45
  46 #include <mach/regs-gpio.h>
  47 #include <plat/regs-serial.h>
  48 #include <mach/dma.h>
  49
  50 #include <plat/cpu.h>
  51 #include <plat/devs.h>
  52 #include <plat/clock.h>
  53 #include <plat/cpu-freq.h>
  54 #include <plat/pll.h>
  55 #include <plat/pwm-core.h>
  56
  57 #include "common.h"
  58
  59 /* table of supported CPUs */
  60
  61 static const char name_s3c2410[]  = "S3C2410";
  62 static const char name_s3c2412[]  = "S3C2412";
  63 static const char name_s3c2416[]  = "S3C2416/S3C2450";
  64 static const char name_s3c2440[]  = "S3C2440";
  65 static const char name_s3c2442[]  = "S3C2442";
  66 static const char name_s3c2442b[]  = "S3C2442B";
  67 static const char name_s3c2443[]  = "S3C2443";
  68 static const char name_s3c2410a[] = "S3C2410A";
  69 static const char name_s3c2440a[] = "S3C2440A";
  70
  71 static struct cpu_table cpu_ids[] __initdata = {
  72         {
  73                 .idcode         = 0x32410000,
  74                 .idmask         = 0xffffffff,
  75                 .map_io         = s3c2410_map_io,
  76                 .init_clocks    = s3c2410_init_clocks,
  77                 .init_uarts     = s3c2410_init_uarts,
  78                 .init           = s3c2410_init,
  79                 .name           = name_s3c2410
  80         },
  81         {
  82                 .idcode         = 0x32410002,
  83                 .idmask         = 0xffffffff,
  84                 .map_io         = s3c2410_map_io,
  85                 .init_clocks    = s3c2410_init_clocks,
  86                 .init_uarts     = s3c2410_init_uarts,
  87                 .init           = s3c2410a_init,
  88                 .name           = name_s3c2410a
  89         },
  90         {
  91                 .idcode         = 0x32440000,
  92                 .idmask         = 0xffffffff,
  93                 .map_io         = s3c2440_map_io,
  94                 .init_clocks    = s3c244x_init_clocks,
  95                 .init_uarts     = s3c244x_init_uarts,
  96                 .init           = s3c2440_init,
  97                 .name           = name_s3c2440
  98         },
  99         {
 100                 .idcode         = 0x32440001,
 101                 .idmask         = 0xffffffff,
 102                 .map_io         = s3c2440_map_io,
 103                 .init_clocks    = s3c244x_init_clocks,
 104                 .init_uarts     = s3c244x_init_uarts,
 105                 .init           = s3c2440_init,
 106                 .name           = name_s3c2440a
 107         },
 108         {
 109                 .idcode         = 0x32440aaa,
 110                 .idmask         = 0xffffffff,
 111                 .map_io         = s3c2442_map_io,
 112                 .init_clocks    = s3c244x_init_clocks,
 113                 .init_uarts     = s3c244x_init_uarts,
 114                 .init           = s3c2442_init,
 115                 .name           = name_s3c2442
 116         },
 117         {
 118                 .idcode         = 0x32440aab,
 119                 .idmask         = 0xffffffff,
 120                 .map_io         = s3c2442_map_io,
 121                 .init_clocks    = s3c244x_init_clocks,
 122                 .init_uarts     = s3c244x_init_uarts,
 123                 .init           = s3c2442_init,
 124                 .name           = name_s3c2442b
 125         },
 126         {
 127                 .idcode         = 0x32412001,
 128                 .idmask         = 0xffffffff,
 129                 .map_io         = s3c2412_map_io,
 130                 .init_clocks    = s3c2412_init_clocks,
 131                 .init_uarts     = s3c2412_init_uarts,
 132                 .init           = s3c2412_init,
 133                 .name           = name_s3c2412,
 134         },
 135         {                       /* a newer version of the s3c2412 */
 136                 .idcode         = 0x32412003,
 137                 .idmask         = 0xffffffff,
 138                 .map_io         = s3c2412_map_io,
 139                 .init_clocks    = s3c2412_init_clocks,
 140                 .init_uarts     = s3c2412_init_uarts,
 141                 .init           = s3c2412_init,
 142                 .name           = name_s3c2412,
 143         },
 144         {                       /* a strange version of the s3c2416 */
 145                 .idcode         = 0x32450003,
 146                 .idmask         = 0xffffffff,
 147                 .map_io         = s3c2416_map_io,
 148                 .init_clocks    = s3c2416_init_clocks,
 149                 .init_uarts     = s3c2416_init_uarts,
 150                 .init           = s3c2416_init,
 151                 .name           = name_s3c2416,
 152         },
 153         {
 154                 .idcode         = 0x32443001,
 155                 .idmask         = 0xffffffff,
 156                 .map_io         = s3c2443_map_io,
 157                 .init_clocks    = s3c2443_init_clocks,
 158                 .init_uarts     = s3c2443_init_uarts,
 159                 .init           = s3c2443_init,
 160                 .name           = name_s3c2443,
 161         },
 162 };
 163
 164 /* minimal IO mapping */
 165
 166 static struct map_desc s3c_iodesc[] __initdata = {
 167         IODESC_ENT(GPIO),
 168         IODESC_ENT(IRQ),
 169         IODESC_ENT(MEMCTRL),
 170         IODESC_ENT(UART)
 171 };
 172
 173 /* read cpu identificaiton code */
 174
 175 static unsigned long s3c24xx_read_idcode_v5(void)
 176 {
 177 #if defined(CONFIG_CPU_S3C2416)
 178         /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
 179
 180         u32 gs = __raw_readl(S3C24XX_GSTATUS1);
 181
 182         /* test for s3c2416 or similar device */
 183         if ((gs >> 16) == 0x3245)
 184                 return gs;
 185 #endif
 186
 187 #if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
 188         return __raw_readl(S3C2412_GSTATUS1);
 189 #else
 190         return 1UL;     /* don't look like an 2400 */
 191 #endif
 192 }
 193
 194 static unsigned long s3c24xx_read_idcode_v4(void)
 195 {
 196         return __raw_readl(S3C2410_GSTATUS1);
 197 }
 198
 199 static void s3c24xx_default_idle(void)
 200 {
 201         unsigned long tmp = 0;
 202         int i;
 203
 204         /* idle the system by using the idle mode which will wait for an
 205          * interrupt to happen before restarting the system.
 206          */
 207
 208         /* Warning: going into idle state upsets jtag scanning */
 209
 210         __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
 211                      S3C2410_CLKCON);
 212
 213         /* the samsung port seems to do a loop and then unset idle.. */
 214         for (i = 0; i < 50; i++)
 215                 tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
 216
 217         /* this bit is not cleared on re-start... */
 218
 219         __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
 220                      S3C2410_CLKCON);
 221 }
 222
 223 static struct samsung_pwm_variant s3c24xx_pwm_variant = {
 224         .bits           = 16,
 225         .div_base       = 1,
 226         .has_tint_cstat = false,
 227         .tclk_mask      = (1 << 4),
 228 };
 229
 230 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 231 {
 232         arm_pm_idle = s3c24xx_default_idle;
 233
 234         /* initialise the io descriptors we need for initialisation */
 235         iotable_init(mach_desc, size);
 236         iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 237
 238         if (cpu_architecture() >= CPU_ARCH_ARMv5) {
 239                 samsung_cpu_id = s3c24xx_read_idcode_v5();
 240         } else {
 241                 samsung_cpu_id = s3c24xx_read_idcode_v4();
 242         }
 243         s3c24xx_init_cpu();
 244
 245         s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
 246
 247         samsung_pwm_set_platdata(&s3c24xx_pwm_variant);
 248 }
 249
 250 void __init samsung_set_timer_source(unsigned int event, unsigned int source)
 251 {
 252         s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
 253         s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
 254 }
 255
 256 void __init samsung_timer_init(void)
 257 {
 258         unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
 259                 IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4,
 260         };
 261
 262         samsung_pwm_clocksource_init(S3C_VA_TIMER,
 263                                         timer_irqs, &s3c24xx_pwm_variant);
 264 }
 265
 266 /* Serial port registrations */
 267
 268 #define S3C2410_PA_UART0      (S3C24XX_PA_UART)
 269 #define S3C2410_PA_UART1      (S3C24XX_PA_UART + 0x4000 )
 270 #define S3C2410_PA_UART2      (S3C24XX_PA_UART + 0x8000 )
 271 #define S3C2443_PA_UART3      (S3C24XX_PA_UART + 0xC000 )
 272
 273 static struct resource s3c2410_uart0_resource[] = {
 274         [0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K),
 275         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \
 276                         IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \
 277                         NULL, IORESOURCE_IRQ)
 278 };
 279
 280 static struct resource s3c2410_uart1_resource[] = {
 281         [0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K),
 282         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \
 283                         IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \
 284                         NULL, IORESOURCE_IRQ)
 285 };
 286
 287 static struct resource s3c2410_uart2_resource[] = {
 288         [0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K),
 289         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \
 290                         IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \
 291                         NULL, IORESOURCE_IRQ)
 292 };
 293
 294 static struct resource s3c2410_uart3_resource[] = {
 295         [0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K),
 296         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \
 297                         IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \
 298                         NULL, IORESOURCE_IRQ)
 299 };
 300
 301 struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 302         [0] = {
 303                 .resources      = s3c2410_uart0_resource,
 304                 .nr_resources   = ARRAY_SIZE(s3c2410_uart0_resource),
 305         },
 306         [1] = {
 307                 .resources      = s3c2410_uart1_resource,
 308                 .nr_resources   = ARRAY_SIZE(s3c2410_uart1_resource),
 309         },
 310         [2] = {
 311                 .resources      = s3c2410_uart2_resource,
 312                 .nr_resources   = ARRAY_SIZE(s3c2410_uart2_resource),
 313         },
 314         [3] = {
 315                 .resources      = s3c2410_uart3_resource,
 316                 .nr_resources   = ARRAY_SIZE(s3c2410_uart3_resource),
 317         },
 318 };
 319
 320 /* initialise all the clocks */
 321
 322 void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk,
 323                                            unsigned long hclk,
 324                                            unsigned long pclk)
 325 {
 326         clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON),
 327                                         clk_xtal.rate);
 328
 329         clk_mpll.rate = fclk;
 330         clk_h.rate = hclk;
 331         clk_p.rate = pclk;
 332         clk_f.rate = fclk;
 333 }
 334
 335 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
 336         defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
 337 static struct resource s3c2410_dma_resource[] = {
 338         [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
 339         [1] = DEFINE_RES_IRQ(IRQ_DMA0),
 340         [2] = DEFINE_RES_IRQ(IRQ_DMA1),
 341         [3] = DEFINE_RES_IRQ(IRQ_DMA2),
 342         [4] = DEFINE_RES_IRQ(IRQ_DMA3),
 343 };
 344 #endif
 345
 346 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442)
 347 static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = {
 348         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
 349         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
 350         [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
 351                                                 S3C24XX_DMA_CHANREQ(2, 2) |
 352                                                 S3C24XX_DMA_CHANREQ(1, 3),
 353         },
 354         [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
 355         [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
 356         [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
 357         [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
 358         [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
 359         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
 360                                                  S3C24XX_DMA_CHANREQ(3, 2) |
 361                                                  S3C24XX_DMA_CHANREQ(3, 3),
 362         },
 363         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
 364                                                   S3C24XX_DMA_CHANREQ(1, 2),
 365         },
 366         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), },
 367         [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
 368         [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
 369         [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
 370         [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
 371 };
 372
 373 static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
 374         .num_phy_channels = 4,
 375         .channels = s3c2410_dma_channels,
 376         .num_channels = DMACH_MAX,
 377 };
 378
 379 struct platform_device s3c2410_device_dma = {
 380         .name           = "s3c2410-dma",
 381         .id             = 0,
 382         .num_resources  = ARRAY_SIZE(s3c2410_dma_resource),
 383         .resource       = s3c2410_dma_resource,
 384         .dev    = {
 385                 .platform_data  = &s3c2410_dma_platdata,
 386         },
 387 };
 388 #endif
 389
 390 #ifdef CONFIG_CPU_S3C2412
 391 static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
 392         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
 393         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
 394         [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
 395         [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
 396         [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
 397         [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
 398         [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
 399         [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
 400         [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
 401         [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
 402         [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
 403         [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
 404         [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
 405         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
 406         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
 407         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
 408         [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
 409         [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
 410         [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
 411         [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
 412 };
 413
 414 static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
 415         .num_phy_channels = 4,
 416         .channels = s3c2412_dma_channels,
 417         .num_channels = DMACH_MAX,
 418 };
 419
 420 struct platform_device s3c2412_device_dma = {
 421         .name           = "s3c2412-dma",
 422         .id             = 0,
 423         .num_resources  = ARRAY_SIZE(s3c2410_dma_resource),
 424         .resource       = s3c2410_dma_resource,
 425         .dev    = {
 426                 .platform_data  = &s3c2412_dma_platdata,
 427         },
 428 };
 429 #endif
 430
 431 #if defined(CONFIG_CPU_S3C2440)
 432 static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = {
 433         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
 434         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
 435         [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
 436                                                 S3C24XX_DMA_CHANREQ(6, 1) |
 437                                                 S3C24XX_DMA_CHANREQ(2, 2) |
 438                                                 S3C24XX_DMA_CHANREQ(1, 3),
 439         },
 440         [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
 441         [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
 442         [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
 443         [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
 444         [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
 445         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
 446                                                  S3C24XX_DMA_CHANREQ(3, 2) |
 447                                                  S3C24XX_DMA_CHANREQ(3, 3),
 448         },
 449         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
 450                                                   S3C24XX_DMA_CHANREQ(1, 2),
 451         },
 452         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) |
 453                                                    S3C24XX_DMA_CHANREQ(0, 2),
 454         },
 455         [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) |
 456                                                   S3C24XX_DMA_CHANREQ(5, 2),
 457         },
 458         [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) |
 459                                                   S3C24XX_DMA_CHANREQ(6, 3),
 460         },
 461         [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) |
 462                                                   S3C24XX_DMA_CHANREQ(5, 3),
 463         },
 464         [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
 465         [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
 466         [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
 467         [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
 468 };
 469
 470 static struct s3c24xx_dma_platdata s3c2440_dma_platdata = {
 471         .num_phy_channels = 4,
 472         .channels = s3c2440_dma_channels,
 473         .num_channels = DMACH_MAX,
 474 };
 475
 476 struct platform_device s3c2440_device_dma = {
 477         .name           = "s3c2410-dma",
 478         .id             = 0,
 479         .num_resources  = ARRAY_SIZE(s3c2410_dma_resource),
 480         .resource       = s3c2410_dma_resource,
 481         .dev    = {
 482                 .platform_data  = &s3c2440_dma_platdata,
 483         },
 484 };
 485 #endif
 486
 487 #if defined(CONFIG_CPUS_3C2443) || defined(CONFIG_CPU_S3C2416)
 488 static struct resource s3c2443_dma_resource[] = {
 489         [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
 490         [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
 491         [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
 492         [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
 493         [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
 494         [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
 495         [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
 496 };
 497
 498 static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
 499         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
 500         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
 501         [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
 502         [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
 503         [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
 504         [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
 505         [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
 506         [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
 507         [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
 508         [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
 509         [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
 510         [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
 511         [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
 512         [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
 513         [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
 514         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
 515         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
 516         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
 517         [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
 518         [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
 519         [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
 520 };
 521
 522 static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
 523         .num_phy_channels = 6,
 524         .channels = s3c2443_dma_channels,
 525         .num_channels = DMACH_MAX,
 526 };
 527
 528 struct platform_device s3c2443_device_dma = {
 529         .name           = "s3c2443-dma",
 530         .id             = 0,
 531         .num_resources  = ARRAY_SIZE(s3c2443_dma_resource),
 532         .resource       = s3c2443_dma_resource,
 533         .dev    = {
 534                 .platform_data  = &s3c2443_dma_platdata,
 535         },
 536 };
 537 #endif