arch/arm/mach-s3c24xx/common.c

   1 // SPDX-License-Identifier: GPL-2.0+
   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 #include <linux/dma-mapping.h>
  10 #include <linux/init.h>
  11 #include <linux/module.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/ioport.h>
  14 #include <linux/serial_core.h>
  15 #include <linux/serial_s3c.h>
  16 #include <clocksource/samsung_pwm.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/io.h>
  20 #include <linux/platform_data/dma-s3c24xx.h>
  21 #include <linux/dmaengine.h>
  22
  23 #include <mach/hardware.h>
  24 #include <mach/regs-clock.h>
  25 #include <asm/irq.h>
  26 #include <asm/cacheflush.h>
  27 #include <asm/system_info.h>
  28 #include <asm/system_misc.h>
  29
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <mach/regs-gpio.h>
  34 #include <mach/dma.h>
  35
  36 #include <plat/cpu.h>
  37 #include <plat/devs.h>
  38 #include <plat/cpu-freq.h>
  39 #include <plat/pwm-core.h>
  40
  41 #include "common.h"
  42
  43 /* table of supported CPUs */
  44
  45 static const char name_s3c2410[]  = "S3C2410";
  46 static const char name_s3c2412[]  = "S3C2412";
  47 static const char name_s3c2416[]  = "S3C2416/S3C2450";
  48 static const char name_s3c2440[]  = "S3C2440";
  49 static const char name_s3c2442[]  = "S3C2442";
  50 static const char name_s3c2442b[]  = "S3C2442B";
  51 static const char name_s3c2443[]  = "S3C2443";
  52 static const char name_s3c2410a[] = "S3C2410A";
  53 static const char name_s3c2440a[] = "S3C2440A";
  54
  55 static struct cpu_table cpu_ids[] __initdata = {
  56         {
  57                 .idcode         = 0x32410000,
  58                 .idmask         = 0xffffffff,
  59                 .map_io         = s3c2410_map_io,
  60                 .init_uarts     = s3c2410_init_uarts,
  61                 .init           = s3c2410_init,
  62                 .name           = name_s3c2410
  63         },
  64         {
  65                 .idcode         = 0x32410002,
  66                 .idmask         = 0xffffffff,
  67                 .map_io         = s3c2410_map_io,
  68                 .init_uarts     = s3c2410_init_uarts,
  69                 .init           = s3c2410a_init,
  70                 .name           = name_s3c2410a
  71         },
  72         {
  73                 .idcode         = 0x32440000,
  74                 .idmask         = 0xffffffff,
  75                 .map_io         = s3c2440_map_io,
  76                 .init_uarts     = s3c244x_init_uarts,
  77                 .init           = s3c2440_init,
  78                 .name           = name_s3c2440
  79         },
  80         {
  81                 .idcode         = 0x32440001,
  82                 .idmask         = 0xffffffff,
  83                 .map_io         = s3c2440_map_io,
  84                 .init_uarts     = s3c244x_init_uarts,
  85                 .init           = s3c2440_init,
  86                 .name           = name_s3c2440a
  87         },
  88         {
  89                 .idcode         = 0x32440aaa,
  90                 .idmask         = 0xffffffff,
  91                 .map_io         = s3c2442_map_io,
  92                 .init_uarts     = s3c244x_init_uarts,
  93                 .init           = s3c2442_init,
  94                 .name           = name_s3c2442
  95         },
  96         {
  97                 .idcode         = 0x32440aab,
  98                 .idmask         = 0xffffffff,
  99                 .map_io         = s3c2442_map_io,
 100                 .init_uarts     = s3c244x_init_uarts,
 101                 .init           = s3c2442_init,
 102                 .name           = name_s3c2442b
 103         },
 104         {
 105                 .idcode         = 0x32412001,
 106                 .idmask         = 0xffffffff,
 107                 .map_io         = s3c2412_map_io,
 108                 .init_uarts     = s3c2412_init_uarts,
 109                 .init           = s3c2412_init,
 110                 .name           = name_s3c2412,
 111         },
 112         {                       /* a newer version of the s3c2412 */
 113                 .idcode         = 0x32412003,
 114                 .idmask         = 0xffffffff,
 115                 .map_io         = s3c2412_map_io,
 116                 .init_uarts     = s3c2412_init_uarts,
 117                 .init           = s3c2412_init,
 118                 .name           = name_s3c2412,
 119         },
 120         {                       /* a strange version of the s3c2416 */
 121                 .idcode         = 0x32450003,
 122                 .idmask         = 0xffffffff,
 123                 .map_io         = s3c2416_map_io,
 124                 .init_uarts     = s3c2416_init_uarts,
 125                 .init           = s3c2416_init,
 126                 .name           = name_s3c2416,
 127         },
 128         {
 129                 .idcode         = 0x32443001,
 130                 .idmask         = 0xffffffff,
 131                 .map_io         = s3c2443_map_io,
 132                 .init_uarts     = s3c2443_init_uarts,
 133                 .init           = s3c2443_init,
 134                 .name           = name_s3c2443,
 135         },
 136 };
 137
 138 /* minimal IO mapping */
 139
 140 static struct map_desc s3c_iodesc[] __initdata = {
 141         IODESC_ENT(GPIO),
 142         IODESC_ENT(IRQ),
 143         IODESC_ENT(MEMCTRL),
 144         IODESC_ENT(UART)
 145 };
 146
 147 /* read cpu identificaiton code */
 148
 149 static unsigned long s3c24xx_read_idcode_v5(void)
 150 {
 151 #if defined(CONFIG_CPU_S3C2416)
 152         /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
 153
 154         u32 gs = __raw_readl(S3C24XX_GSTATUS1);
 155
 156         /* test for s3c2416 or similar device */
 157         if ((gs >> 16) == 0x3245)
 158                 return gs;
 159 #endif
 160
 161 #if defined(CONFIG_CPU_S3C2412)
 162         return __raw_readl(S3C2412_GSTATUS1);
 163 #else
 164         return 1UL;     /* don't look like an 2400 */
 165 #endif
 166 }
 167
 168 static unsigned long s3c24xx_read_idcode_v4(void)
 169 {
 170         return __raw_readl(S3C2410_GSTATUS1);
 171 }
 172
 173 static void s3c24xx_default_idle(void)
 174 {
 175         unsigned long tmp = 0;
 176         int i;
 177
 178         /* idle the system by using the idle mode which will wait for an
 179          * interrupt to happen before restarting the system.
 180          */
 181
 182         /* Warning: going into idle state upsets jtag scanning */
 183
 184         __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
 185                      S3C2410_CLKCON);
 186
 187         /* the samsung port seems to do a loop and then unset idle.. */
 188         for (i = 0; i < 50; i++)
 189                 tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
 190
 191         /* this bit is not cleared on re-start... */
 192
 193         __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
 194                      S3C2410_CLKCON);
 195 }
 196
 197 static struct samsung_pwm_variant s3c24xx_pwm_variant = {
 198         .bits           = 16,
 199         .div_base       = 1,
 200         .has_tint_cstat = false,
 201         .tclk_mask      = (1 << 4),
 202 };
 203
 204 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 205 {
 206         arm_pm_idle = s3c24xx_default_idle;
 207
 208         /* initialise the io descriptors we need for initialisation */
 209         iotable_init(mach_desc, size);
 210         iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 211
 212         if (cpu_architecture() >= CPU_ARCH_ARMv5) {
 213                 samsung_cpu_id = s3c24xx_read_idcode_v5();
 214         } else {
 215                 samsung_cpu_id = s3c24xx_read_idcode_v4();
 216         }
 217
 218         s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
 219
 220         samsung_pwm_set_platdata(&s3c24xx_pwm_variant);
 221 }
 222
 223 void __init samsung_set_timer_source(unsigned int event, unsigned int source)
 224 {
 225         s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
 226         s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
 227 }
 228
 229 void __init samsung_timer_init(void)
 230 {
 231         unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
 232                 IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4,
 233         };
 234
 235         samsung_pwm_clocksource_init(S3C_VA_TIMER,
 236                                         timer_irqs, &s3c24xx_pwm_variant);
 237 }
 238
 239 /* Serial port registrations */
 240
 241 #define S3C2410_PA_UART0      (S3C24XX_PA_UART)
 242 #define S3C2410_PA_UART1      (S3C24XX_PA_UART + 0x4000 )
 243 #define S3C2410_PA_UART2      (S3C24XX_PA_UART + 0x8000 )
 244 #define S3C2443_PA_UART3      (S3C24XX_PA_UART + 0xC000 )
 245
 246 static struct resource s3c2410_uart0_resource[] = {
 247         [0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K),
 248         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \
 249                         IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \
 250                         NULL, IORESOURCE_IRQ)
 251 };
 252
 253 static struct resource s3c2410_uart1_resource[] = {
 254         [0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K),
 255         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \
 256                         IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \
 257                         NULL, IORESOURCE_IRQ)
 258 };
 259
 260 static struct resource s3c2410_uart2_resource[] = {
 261         [0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K),
 262         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \
 263                         IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \
 264                         NULL, IORESOURCE_IRQ)
 265 };
 266
 267 static struct resource s3c2410_uart3_resource[] = {
 268         [0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K),
 269         [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \
 270                         IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \
 271                         NULL, IORESOURCE_IRQ)
 272 };
 273
 274 struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 275         [0] = {
 276                 .resources      = s3c2410_uart0_resource,
 277                 .nr_resources   = ARRAY_SIZE(s3c2410_uart0_resource),
 278         },
 279         [1] = {
 280                 .resources      = s3c2410_uart1_resource,
 281                 .nr_resources   = ARRAY_SIZE(s3c2410_uart1_resource),
 282         },
 283         [2] = {
 284                 .resources      = s3c2410_uart2_resource,
 285                 .nr_resources   = ARRAY_SIZE(s3c2410_uart2_resource),
 286         },
 287         [3] = {
 288                 .resources      = s3c2410_uart3_resource,
 289                 .nr_resources   = ARRAY_SIZE(s3c2410_uart3_resource),
 290         },
 291 };
 292
 293 #define s3c24xx_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) }))
 294
 295 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
 296         defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
 297 static struct resource s3c2410_dma_resource[] = {
 298         [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
 299         [1] = DEFINE_RES_IRQ(IRQ_DMA0),
 300         [2] = DEFINE_RES_IRQ(IRQ_DMA1),
 301         [3] = DEFINE_RES_IRQ(IRQ_DMA2),
 302         [4] = DEFINE_RES_IRQ(IRQ_DMA3),
 303 };
 304 #endif
 305
 306 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442)
 307 static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = {
 308         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
 309         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
 310         [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
 311                                                 S3C24XX_DMA_CHANREQ(2, 2) |
 312                                                 S3C24XX_DMA_CHANREQ(1, 3),
 313         },
 314         [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
 315         [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
 316         [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
 317         [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
 318         [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
 319         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
 320                                                  S3C24XX_DMA_CHANREQ(3, 2) |
 321                                                  S3C24XX_DMA_CHANREQ(3, 3),
 322         },
 323         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
 324                                                   S3C24XX_DMA_CHANREQ(1, 2),
 325         },
 326         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), },
 327         [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
 328         [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
 329         [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
 330         [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
 331 };
 332
 333 static const struct dma_slave_map s3c2410_dma_slave_map[] = {
 334         { "s3c2410-sdi", "rx-tx", (void *)DMACH_SDI },
 335         { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0_RX },
 336         { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0_TX },
 337         { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1_RX },
 338         { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1_TX },
 339         /*
 340          * The DMA request source[1] (DMACH_UARTx_SRC2) are
 341          * not used in the UART driver.
 342          */
 343         { "s3c2410-uart.0", "rx", (void *)DMACH_UART0 },
 344         { "s3c2410-uart.0", "tx", (void *)DMACH_UART0 },
 345         { "s3c2410-uart.1", "rx", (void *)DMACH_UART1 },
 346         { "s3c2410-uart.1", "tx", (void *)DMACH_UART1 },
 347         { "s3c2410-uart.2", "rx", (void *)DMACH_UART2 },
 348         { "s3c2410-uart.2", "tx", (void *)DMACH_UART2 },
 349         { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
 350         { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
 351         { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
 352         { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
 353         { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
 354         { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
 355         { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
 356         { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
 357         { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
 358         { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
 359 };
 360
 361 static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
 362         .num_phy_channels = 4,
 363         .channels = s3c2410_dma_channels,
 364         .num_channels = DMACH_MAX,
 365         .slave_map = s3c2410_dma_slave_map,
 366         .slavecnt = ARRAY_SIZE(s3c2410_dma_slave_map),
 367 };
 368
 369 struct platform_device s3c2410_device_dma = {
 370         .name           = "s3c2410-dma",
 371         .id             = 0,
 372         .num_resources  = ARRAY_SIZE(s3c2410_dma_resource),
 373         .resource       = s3c2410_dma_resource,
 374         .dev    = {
 375                 .dma_mask = &s3c24xx_device_dma_mask,
 376                 .coherent_dma_mask = DMA_BIT_MASK(32),
 377                 .platform_data = &s3c2410_dma_platdata,
 378         },
 379 };
 380 #endif
 381
 382 #ifdef CONFIG_CPU_S3C2412
 383 static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
 384         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
 385         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
 386         [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
 387         [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
 388         [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
 389         [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
 390         [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
 391         [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
 392         [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
 393         [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
 394         [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
 395         [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
 396         [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
 397         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
 398         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
 399         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
 400         [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
 401         [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
 402         [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
 403         [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
 404 };
 405
 406 static const struct dma_slave_map s3c2412_dma_slave_map[] = {
 407         { "s3c2412-sdi", "rx-tx", (void *)DMACH_SDI },
 408         { "s3c2412-spi.0", "rx", (void *)DMACH_SPI0_RX },
 409         { "s3c2412-spi.0", "tx", (void *)DMACH_SPI0_TX },
 410         { "s3c2412-spi.1", "rx", (void *)DMACH_SPI1_RX },
 411         { "s3c2412-spi.1", "tx", (void *)DMACH_SPI1_TX },
 412         { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
 413         { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
 414         { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
 415         { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
 416         { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
 417         { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
 418         { "s3c2412-iis", "rx", (void *)DMACH_I2S_IN },
 419         { "s3c2412-iis", "tx", (void *)DMACH_I2S_OUT },
 420         { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
 421         { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
 422         { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
 423         { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
 424         { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
 425         { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
 426         { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
 427         { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
 428 };
 429
 430 static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
 431         .num_phy_channels = 4,
 432         .channels = s3c2412_dma_channels,
 433         .num_channels = DMACH_MAX,
 434         .slave_map = s3c2412_dma_slave_map,
 435         .slavecnt = ARRAY_SIZE(s3c2412_dma_slave_map),
 436 };
 437
 438 struct platform_device s3c2412_device_dma = {
 439         .name           = "s3c2412-dma",
 440         .id             = 0,
 441         .num_resources  = ARRAY_SIZE(s3c2410_dma_resource),
 442         .resource       = s3c2410_dma_resource,
 443         .dev    = {
 444                 .dma_mask = &s3c24xx_device_dma_mask,
 445                 .coherent_dma_mask = DMA_BIT_MASK(32),
 446                 .platform_data = &s3c2412_dma_platdata,
 447         },
 448 };
 449 #endif
 450
 451 #if defined(CONFIG_CPU_S3C2440)
 452 static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = {
 453         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
 454         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
 455         [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
 456                                                 S3C24XX_DMA_CHANREQ(6, 1) |
 457                                                 S3C24XX_DMA_CHANREQ(2, 2) |
 458                                                 S3C24XX_DMA_CHANREQ(1, 3),
 459         },
 460         [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
 461         [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
 462         [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
 463         [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
 464         [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
 465         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
 466                                                  S3C24XX_DMA_CHANREQ(3, 2) |
 467                                                  S3C24XX_DMA_CHANREQ(3, 3),
 468         },
 469         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
 470                                                   S3C24XX_DMA_CHANREQ(1, 2),
 471         },
 472         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) |
 473                                                    S3C24XX_DMA_CHANREQ(0, 2),
 474         },
 475         [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) |
 476                                                   S3C24XX_DMA_CHANREQ(5, 2),
 477         },
 478         [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) |
 479                                                   S3C24XX_DMA_CHANREQ(6, 3),
 480         },
 481         [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) |
 482                                                   S3C24XX_DMA_CHANREQ(5, 3),
 483         },
 484         [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
 485         [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
 486         [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
 487         [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
 488 };
 489
 490 static const struct dma_slave_map s3c2440_dma_slave_map[] = {
 491         /* TODO: DMACH_XD0 */
 492         /* TODO: DMACH_XD1 */
 493         { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
 494         { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0 },
 495         { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0 },
 496         { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1 },
 497         { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1 },
 498         { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
 499         { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
 500         { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
 501         { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
 502         { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
 503         { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
 504         { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
 505         { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
 506         /* TODO: DMACH_TIMER */
 507         { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
 508         { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
 509         { "samsung-ac97", "rx", (void *)DMACH_PCM_IN },
 510         { "samsung-ac97", "tx", (void *)DMACH_PCM_OUT },
 511         { "samsung-ac97", "rx", (void *)DMACH_MIC_IN },
 512         { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
 513         { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
 514         { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
 515         { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
 516         { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
 517         { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
 518         { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
 519         { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
 520 };
 521
 522 static struct s3c24xx_dma_platdata s3c2440_dma_platdata = {
 523         .num_phy_channels = 4,
 524         .channels = s3c2440_dma_channels,
 525         .num_channels = DMACH_MAX,
 526         .slave_map = s3c2440_dma_slave_map,
 527         .slavecnt = ARRAY_SIZE(s3c2440_dma_slave_map),
 528 };
 529
 530 struct platform_device s3c2440_device_dma = {
 531         .name           = "s3c2410-dma",
 532         .id             = 0,
 533         .num_resources  = ARRAY_SIZE(s3c2410_dma_resource),
 534         .resource       = s3c2410_dma_resource,
 535         .dev    = {
 536                 .dma_mask = &s3c24xx_device_dma_mask,
 537                 .coherent_dma_mask = DMA_BIT_MASK(32),
 538                 .platform_data = &s3c2440_dma_platdata,
 539         },
 540 };
 541 #endif
 542
 543 #if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
 544 static struct resource s3c2443_dma_resource[] = {
 545         [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
 546         [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
 547         [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
 548         [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
 549         [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
 550         [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
 551         [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
 552 };
 553
 554 static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
 555         [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
 556         [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
 557         [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
 558         [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
 559         [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
 560         [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
 561         [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
 562         [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
 563         [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
 564         [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
 565         [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
 566         [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
 567         [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
 568         [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
 569         [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
 570         [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
 571         [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
 572         [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
 573         [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
 574         [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
 575         [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
 576 };
 577
 578 static const struct dma_slave_map s3c2443_dma_slave_map[] = {
 579         { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
 580         { "s3c2443-spi.0", "rx", (void *)DMACH_SPI0_RX },
 581         { "s3c2443-spi.0", "tx", (void *)DMACH_SPI0_TX },
 582         { "s3c2443-spi.1", "rx", (void *)DMACH_SPI1_RX },
 583         { "s3c2443-spi.1", "tx", (void *)DMACH_SPI1_TX },
 584         { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
 585         { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
 586         { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
 587         { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
 588         { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
 589         { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
 590         { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
 591         { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
 592         { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
 593         { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
 594 };
 595
 596 static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
 597         .num_phy_channels = 6,
 598         .channels = s3c2443_dma_channels,
 599         .num_channels = DMACH_MAX,
 600         .slave_map = s3c2443_dma_slave_map,
 601         .slavecnt = ARRAY_SIZE(s3c2443_dma_slave_map),
 602 };
 603
 604 struct platform_device s3c2443_device_dma = {
 605         .name           = "s3c2443-dma",
 606         .id             = 0,
 607         .num_resources  = ARRAY_SIZE(s3c2443_dma_resource),
 608         .resource       = s3c2443_dma_resource,
 609         .dev    = {
 610                 .dma_mask = &s3c24xx_device_dma_mask,
 611                 .coherent_dma_mask = DMA_BIT_MASK(32),
 612                 .platform_data = &s3c2443_dma_platdata,
 613         },
 614 };
 615 #endif
 616
 617 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410)
 618 void __init s3c2410_init_clocks(int xtal)
 619 {
 620         s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
 621 }
 622 #endif
 623
 624 #ifdef CONFIG_CPU_S3C2412
 625 void __init s3c2412_init_clocks(int xtal)
 626 {
 627         s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
 628 }
 629 #endif
 630
 631 #ifdef CONFIG_CPU_S3C2416
 632 void __init s3c2416_init_clocks(int xtal)
 633 {
 634         s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
 635 }
 636 #endif
 637
 638 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440)
 639 void __init s3c2440_init_clocks(int xtal)
 640 {
 641         s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
 642 }
 643 #endif
 644
 645 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442)
 646 void __init s3c2442_init_clocks(int xtal)
 647 {
 648         s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR);
 649 }
 650 #endif
 651
 652 #ifdef CONFIG_CPU_S3C2443
 653 void __init s3c2443_init_clocks(int xtal)
 654 {
 655         s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
 656 }
 657 #endif
 658
 659 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \
 660         defined(CONFIG_CPU_S3C2442)
 661 static struct resource s3c2410_dclk_resource[] = {
 662         [0] = DEFINE_RES_MEM(0x56000084, 0x4),
 663 };
 664
 665 struct platform_device s3c2410_device_dclk = {
 666         .name           = "s3c2410-dclk",
 667         .id             = 0,
 668         .num_resources  = ARRAY_SIZE(s3c2410_dclk_resource),
 669         .resource       = s3c2410_dclk_resource,
 670 };
 671 #endif