1 /* linux/arch/arm/plat-s3c24xx/cpu.c
3 * Copyright (c) 2004-2005 Simtec Electronics
4 * http://www.simtec.co.uk/products/SWLINUX/
5 * Ben Dooks <ben@simtec.co.uk>
7 * Common code for S3C24XX machines
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.
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.
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
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 <linux/serial_s3c.h>
31 #include <clocksource/samsung_pwm.h>
32 #include <linux/platform_device.h>
33 #include <linux/delay.h>
35 #include <linux/platform_data/dma-s3c24xx.h>
37 #include <mach/hardware.h>
38 #include <mach/regs-clock.h>
40 #include <asm/cacheflush.h>
41 #include <asm/system_info.h>
42 #include <asm/system_misc.h>
44 #include <asm/mach/arch.h>
45 #include <asm/mach/map.h>
47 #include <mach/regs-gpio.h>
51 #include <plat/devs.h>
52 #include <plat/clock.h>
53 #include <plat/cpu-freq.h>
55 #include <plat/pwm-core.h>
56 #include <plat/watchdog-reset.h>
60 /* table of supported CPUs */
62 static const char name_s3c2410
[] = "S3C2410";
63 static const char name_s3c2412
[] = "S3C2412";
64 static const char name_s3c2416
[] = "S3C2416/S3C2450";
65 static const char name_s3c2440
[] = "S3C2440";
66 static const char name_s3c2442
[] = "S3C2442";
67 static const char name_s3c2442b
[] = "S3C2442B";
68 static const char name_s3c2443
[] = "S3C2443";
69 static const char name_s3c2410a
[] = "S3C2410A";
70 static const char name_s3c2440a
[] = "S3C2440A";
72 static struct cpu_table cpu_ids
[] __initdata
= {
76 .map_io
= s3c2410_map_io
,
77 .init_uarts
= s3c2410_init_uarts
,
84 .map_io
= s3c2410_map_io
,
85 .init_uarts
= s3c2410_init_uarts
,
86 .init
= s3c2410a_init
,
92 .map_io
= s3c2440_map_io
,
93 .init_uarts
= s3c244x_init_uarts
,
100 .map_io
= s3c2440_map_io
,
101 .init_uarts
= s3c244x_init_uarts
,
102 .init
= s3c2440_init
,
103 .name
= name_s3c2440a
106 .idcode
= 0x32440aaa,
107 .idmask
= 0xffffffff,
108 .map_io
= s3c2442_map_io
,
109 .init_uarts
= s3c244x_init_uarts
,
110 .init
= s3c2442_init
,
114 .idcode
= 0x32440aab,
115 .idmask
= 0xffffffff,
116 .map_io
= s3c2442_map_io
,
117 .init_uarts
= s3c244x_init_uarts
,
118 .init
= s3c2442_init
,
119 .name
= name_s3c2442b
122 .idcode
= 0x32412001,
123 .idmask
= 0xffffffff,
124 .map_io
= s3c2412_map_io
,
125 .init_uarts
= s3c2412_init_uarts
,
126 .init
= s3c2412_init
,
127 .name
= name_s3c2412
,
129 { /* a newer version of the s3c2412 */
130 .idcode
= 0x32412003,
131 .idmask
= 0xffffffff,
132 .map_io
= s3c2412_map_io
,
133 .init_uarts
= s3c2412_init_uarts
,
134 .init
= s3c2412_init
,
135 .name
= name_s3c2412
,
137 { /* a strange version of the s3c2416 */
138 .idcode
= 0x32450003,
139 .idmask
= 0xffffffff,
140 .map_io
= s3c2416_map_io
,
141 .init_uarts
= s3c2416_init_uarts
,
142 .init
= s3c2416_init
,
143 .name
= name_s3c2416
,
146 .idcode
= 0x32443001,
147 .idmask
= 0xffffffff,
148 .map_io
= s3c2443_map_io
,
149 .init_uarts
= s3c2443_init_uarts
,
150 .init
= s3c2443_init
,
151 .name
= name_s3c2443
,
155 /* minimal IO mapping */
157 static struct map_desc s3c_iodesc
[] __initdata
= {
164 /* read cpu identificaiton code */
166 static unsigned long s3c24xx_read_idcode_v5(void)
168 #if defined(CONFIG_CPU_S3C2416)
169 /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
171 u32 gs
= __raw_readl(S3C24XX_GSTATUS1
);
173 /* test for s3c2416 or similar device */
174 if ((gs
>> 16) == 0x3245)
178 #if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
179 return __raw_readl(S3C2412_GSTATUS1
);
181 return 1UL; /* don't look like an 2400 */
185 static unsigned long s3c24xx_read_idcode_v4(void)
187 return __raw_readl(S3C2410_GSTATUS1
);
190 static void s3c24xx_default_idle(void)
192 unsigned long tmp
= 0;
195 /* idle the system by using the idle mode which will wait for an
196 * interrupt to happen before restarting the system.
199 /* Warning: going into idle state upsets jtag scanning */
201 __raw_writel(__raw_readl(S3C2410_CLKCON
) | S3C2410_CLKCON_IDLE
,
204 /* the samsung port seems to do a loop and then unset idle.. */
205 for (i
= 0; i
< 50; i
++)
206 tmp
+= __raw_readl(S3C2410_CLKCON
); /* ensure loop not optimised out */
208 /* this bit is not cleared on re-start... */
210 __raw_writel(__raw_readl(S3C2410_CLKCON
) & ~S3C2410_CLKCON_IDLE
,
214 static struct samsung_pwm_variant s3c24xx_pwm_variant
= {
217 .has_tint_cstat
= false,
218 .tclk_mask
= (1 << 4),
221 void __init
s3c24xx_init_io(struct map_desc
*mach_desc
, int size
)
223 arm_pm_idle
= s3c24xx_default_idle
;
225 /* initialise the io descriptors we need for initialisation */
226 iotable_init(mach_desc
, size
);
227 iotable_init(s3c_iodesc
, ARRAY_SIZE(s3c_iodesc
));
229 if (cpu_architecture() >= CPU_ARCH_ARMv5
) {
230 samsung_cpu_id
= s3c24xx_read_idcode_v5();
232 samsung_cpu_id
= s3c24xx_read_idcode_v4();
235 s3c_init_cpu(samsung_cpu_id
, cpu_ids
, ARRAY_SIZE(cpu_ids
));
237 samsung_pwm_set_platdata(&s3c24xx_pwm_variant
);
240 void __init
samsung_set_timer_source(unsigned int event
, unsigned int source
)
242 s3c24xx_pwm_variant
.output_mask
= BIT(SAMSUNG_PWM_NUM
) - 1;
243 s3c24xx_pwm_variant
.output_mask
&= ~(BIT(event
) | BIT(source
));
246 void __init
samsung_timer_init(void)
248 unsigned int timer_irqs
[SAMSUNG_PWM_NUM
] = {
249 IRQ_TIMER0
, IRQ_TIMER1
, IRQ_TIMER2
, IRQ_TIMER3
, IRQ_TIMER4
,
252 samsung_pwm_clocksource_init(S3C_VA_TIMER
,
253 timer_irqs
, &s3c24xx_pwm_variant
);
256 /* Serial port registrations */
258 #define S3C2410_PA_UART0 (S3C24XX_PA_UART)
259 #define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 )
260 #define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 )
261 #define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 )
263 static struct resource s3c2410_uart0_resource
[] = {
264 [0] = DEFINE_RES_MEM(S3C2410_PA_UART0
, SZ_16K
),
265 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0
, \
266 IRQ_S3CUART_ERR0
- IRQ_S3CUART_RX0
+ 1, \
267 NULL
, IORESOURCE_IRQ
)
270 static struct resource s3c2410_uart1_resource
[] = {
271 [0] = DEFINE_RES_MEM(S3C2410_PA_UART1
, SZ_16K
),
272 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1
, \
273 IRQ_S3CUART_ERR1
- IRQ_S3CUART_RX1
+ 1, \
274 NULL
, IORESOURCE_IRQ
)
277 static struct resource s3c2410_uart2_resource
[] = {
278 [0] = DEFINE_RES_MEM(S3C2410_PA_UART2
, SZ_16K
),
279 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2
, \
280 IRQ_S3CUART_ERR2
- IRQ_S3CUART_RX2
+ 1, \
281 NULL
, IORESOURCE_IRQ
)
284 static struct resource s3c2410_uart3_resource
[] = {
285 [0] = DEFINE_RES_MEM(S3C2443_PA_UART3
, SZ_16K
),
286 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3
, \
287 IRQ_S3CUART_ERR3
- IRQ_S3CUART_RX3
+ 1, \
288 NULL
, IORESOURCE_IRQ
)
291 struct s3c24xx_uart_resources s3c2410_uart_resources
[] __initdata
= {
293 .resources
= s3c2410_uart0_resource
,
294 .nr_resources
= ARRAY_SIZE(s3c2410_uart0_resource
),
297 .resources
= s3c2410_uart1_resource
,
298 .nr_resources
= ARRAY_SIZE(s3c2410_uart1_resource
),
301 .resources
= s3c2410_uart2_resource
,
302 .nr_resources
= ARRAY_SIZE(s3c2410_uart2_resource
),
305 .resources
= s3c2410_uart3_resource
,
306 .nr_resources
= ARRAY_SIZE(s3c2410_uart3_resource
),
310 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
311 defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
312 static struct resource s3c2410_dma_resource
[] = {
313 [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA
, S3C24XX_SZ_DMA
),
314 [1] = DEFINE_RES_IRQ(IRQ_DMA0
),
315 [2] = DEFINE_RES_IRQ(IRQ_DMA1
),
316 [3] = DEFINE_RES_IRQ(IRQ_DMA2
),
317 [4] = DEFINE_RES_IRQ(IRQ_DMA3
),
321 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442)
322 static struct s3c24xx_dma_channel s3c2410_dma_channels
[DMACH_MAX
] = {
323 [DMACH_XD0
] = { S3C24XX_DMA_AHB
, true, S3C24XX_DMA_CHANREQ(0, 0), },
324 [DMACH_XD1
] = { S3C24XX_DMA_AHB
, true, S3C24XX_DMA_CHANREQ(0, 1), },
325 [DMACH_SDI
] = { S3C24XX_DMA_APB
, false, S3C24XX_DMA_CHANREQ(2, 0) |
326 S3C24XX_DMA_CHANREQ(2, 2) |
327 S3C24XX_DMA_CHANREQ(1, 3),
329 [DMACH_SPI0
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(3, 1), },
330 [DMACH_SPI1
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(2, 3), },
331 [DMACH_UART0
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(1, 0), },
332 [DMACH_UART1
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(1, 1), },
333 [DMACH_UART2
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(0, 3), },
334 [DMACH_TIMER
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(3, 0) |
335 S3C24XX_DMA_CHANREQ(3, 2) |
336 S3C24XX_DMA_CHANREQ(3, 3),
338 [DMACH_I2S_IN
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(2, 1) |
339 S3C24XX_DMA_CHANREQ(1, 2),
341 [DMACH_I2S_OUT
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(0, 2), },
342 [DMACH_USB_EP1
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 0), },
343 [DMACH_USB_EP2
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 1), },
344 [DMACH_USB_EP3
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 2), },
345 [DMACH_USB_EP4
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 3), },
348 static struct s3c24xx_dma_platdata s3c2410_dma_platdata
= {
349 .num_phy_channels
= 4,
350 .channels
= s3c2410_dma_channels
,
351 .num_channels
= DMACH_MAX
,
354 struct platform_device s3c2410_device_dma
= {
355 .name
= "s3c2410-dma",
357 .num_resources
= ARRAY_SIZE(s3c2410_dma_resource
),
358 .resource
= s3c2410_dma_resource
,
360 .platform_data
= &s3c2410_dma_platdata
,
365 #ifdef CONFIG_CPU_S3C2412
366 static struct s3c24xx_dma_channel s3c2412_dma_channels
[DMACH_MAX
] = {
367 [DMACH_XD0
] = { S3C24XX_DMA_AHB
, true, 17 },
368 [DMACH_XD1
] = { S3C24XX_DMA_AHB
, true, 18 },
369 [DMACH_SDI
] = { S3C24XX_DMA_APB
, false, 10 },
370 [DMACH_SPI0_RX
] = { S3C24XX_DMA_APB
, true, 1 },
371 [DMACH_SPI0_TX
] = { S3C24XX_DMA_APB
, true, 0 },
372 [DMACH_SPI1_RX
] = { S3C24XX_DMA_APB
, true, 3 },
373 [DMACH_SPI1_TX
] = { S3C24XX_DMA_APB
, true, 2 },
374 [DMACH_UART0
] = { S3C24XX_DMA_APB
, true, 19 },
375 [DMACH_UART1
] = { S3C24XX_DMA_APB
, true, 21 },
376 [DMACH_UART2
] = { S3C24XX_DMA_APB
, true, 23 },
377 [DMACH_UART0_SRC2
] = { S3C24XX_DMA_APB
, true, 20 },
378 [DMACH_UART1_SRC2
] = { S3C24XX_DMA_APB
, true, 22 },
379 [DMACH_UART2_SRC2
] = { S3C24XX_DMA_APB
, true, 24 },
380 [DMACH_TIMER
] = { S3C24XX_DMA_APB
, true, 9 },
381 [DMACH_I2S_IN
] = { S3C24XX_DMA_APB
, true, 5 },
382 [DMACH_I2S_OUT
] = { S3C24XX_DMA_APB
, true, 4 },
383 [DMACH_USB_EP1
] = { S3C24XX_DMA_APB
, true, 13 },
384 [DMACH_USB_EP2
] = { S3C24XX_DMA_APB
, true, 14 },
385 [DMACH_USB_EP3
] = { S3C24XX_DMA_APB
, true, 15 },
386 [DMACH_USB_EP4
] = { S3C24XX_DMA_APB
, true, 16 },
389 static struct s3c24xx_dma_platdata s3c2412_dma_platdata
= {
390 .num_phy_channels
= 4,
391 .channels
= s3c2412_dma_channels
,
392 .num_channels
= DMACH_MAX
,
395 struct platform_device s3c2412_device_dma
= {
396 .name
= "s3c2412-dma",
398 .num_resources
= ARRAY_SIZE(s3c2410_dma_resource
),
399 .resource
= s3c2410_dma_resource
,
401 .platform_data
= &s3c2412_dma_platdata
,
406 #if defined(CONFIG_CPU_S3C2440)
407 static struct s3c24xx_dma_channel s3c2440_dma_channels
[DMACH_MAX
] = {
408 [DMACH_XD0
] = { S3C24XX_DMA_AHB
, true, S3C24XX_DMA_CHANREQ(0, 0), },
409 [DMACH_XD1
] = { S3C24XX_DMA_AHB
, true, S3C24XX_DMA_CHANREQ(0, 1), },
410 [DMACH_SDI
] = { S3C24XX_DMA_APB
, false, S3C24XX_DMA_CHANREQ(2, 0) |
411 S3C24XX_DMA_CHANREQ(6, 1) |
412 S3C24XX_DMA_CHANREQ(2, 2) |
413 S3C24XX_DMA_CHANREQ(1, 3),
415 [DMACH_SPI0
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(3, 1), },
416 [DMACH_SPI1
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(2, 3), },
417 [DMACH_UART0
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(1, 0), },
418 [DMACH_UART1
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(1, 1), },
419 [DMACH_UART2
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(0, 3), },
420 [DMACH_TIMER
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(3, 0) |
421 S3C24XX_DMA_CHANREQ(3, 2) |
422 S3C24XX_DMA_CHANREQ(3, 3),
424 [DMACH_I2S_IN
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(2, 1) |
425 S3C24XX_DMA_CHANREQ(1, 2),
427 [DMACH_I2S_OUT
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(5, 0) |
428 S3C24XX_DMA_CHANREQ(0, 2),
430 [DMACH_PCM_IN
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(6, 0) |
431 S3C24XX_DMA_CHANREQ(5, 2),
433 [DMACH_PCM_OUT
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(5, 1) |
434 S3C24XX_DMA_CHANREQ(6, 3),
436 [DMACH_MIC_IN
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(6, 2) |
437 S3C24XX_DMA_CHANREQ(5, 3),
439 [DMACH_USB_EP1
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 0), },
440 [DMACH_USB_EP2
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 1), },
441 [DMACH_USB_EP3
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 2), },
442 [DMACH_USB_EP4
] = { S3C24XX_DMA_APB
, true, S3C24XX_DMA_CHANREQ(4, 3), },
445 static struct s3c24xx_dma_platdata s3c2440_dma_platdata
= {
446 .num_phy_channels
= 4,
447 .channels
= s3c2440_dma_channels
,
448 .num_channels
= DMACH_MAX
,
451 struct platform_device s3c2440_device_dma
= {
452 .name
= "s3c2410-dma",
454 .num_resources
= ARRAY_SIZE(s3c2410_dma_resource
),
455 .resource
= s3c2410_dma_resource
,
457 .platform_data
= &s3c2440_dma_platdata
,
462 #if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
463 static struct resource s3c2443_dma_resource
[] = {
464 [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA
, S3C24XX_SZ_DMA
),
465 [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0
),
466 [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1
),
467 [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2
),
468 [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3
),
469 [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4
),
470 [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5
),
473 static struct s3c24xx_dma_channel s3c2443_dma_channels
[DMACH_MAX
] = {
474 [DMACH_XD0
] = { S3C24XX_DMA_AHB
, true, 17 },
475 [DMACH_XD1
] = { S3C24XX_DMA_AHB
, true, 18 },
476 [DMACH_SDI
] = { S3C24XX_DMA_APB
, false, 10 },
477 [DMACH_SPI0_RX
] = { S3C24XX_DMA_APB
, true, 1 },
478 [DMACH_SPI0_TX
] = { S3C24XX_DMA_APB
, true, 0 },
479 [DMACH_SPI1_RX
] = { S3C24XX_DMA_APB
, true, 3 },
480 [DMACH_SPI1_TX
] = { S3C24XX_DMA_APB
, true, 2 },
481 [DMACH_UART0
] = { S3C24XX_DMA_APB
, true, 19 },
482 [DMACH_UART1
] = { S3C24XX_DMA_APB
, true, 21 },
483 [DMACH_UART2
] = { S3C24XX_DMA_APB
, true, 23 },
484 [DMACH_UART3
] = { S3C24XX_DMA_APB
, true, 25 },
485 [DMACH_UART0_SRC2
] = { S3C24XX_DMA_APB
, true, 20 },
486 [DMACH_UART1_SRC2
] = { S3C24XX_DMA_APB
, true, 22 },
487 [DMACH_UART2_SRC2
] = { S3C24XX_DMA_APB
, true, 24 },
488 [DMACH_UART3_SRC2
] = { S3C24XX_DMA_APB
, true, 26 },
489 [DMACH_TIMER
] = { S3C24XX_DMA_APB
, true, 9 },
490 [DMACH_I2S_IN
] = { S3C24XX_DMA_APB
, true, 5 },
491 [DMACH_I2S_OUT
] = { S3C24XX_DMA_APB
, true, 4 },
492 [DMACH_PCM_IN
] = { S3C24XX_DMA_APB
, true, 28 },
493 [DMACH_PCM_OUT
] = { S3C24XX_DMA_APB
, true, 27 },
494 [DMACH_MIC_IN
] = { S3C24XX_DMA_APB
, true, 29 },
497 static struct s3c24xx_dma_platdata s3c2443_dma_platdata
= {
498 .num_phy_channels
= 6,
499 .channels
= s3c2443_dma_channels
,
500 .num_channels
= DMACH_MAX
,
503 struct platform_device s3c2443_device_dma
= {
504 .name
= "s3c2443-dma",
506 .num_resources
= ARRAY_SIZE(s3c2443_dma_resource
),
507 .resource
= s3c2443_dma_resource
,
509 .platform_data
= &s3c2443_dma_platdata
,
514 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410)
515 void __init
s3c2410_init_clocks(int xtal
)
517 s3c2410_common_clk_init(NULL
, xtal
, 0, S3C24XX_VA_CLKPWR
);
518 samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG
);
522 #ifdef CONFIG_CPU_S3C2412
523 void __init
s3c2412_init_clocks(int xtal
)
525 s3c2412_common_clk_init(NULL
, xtal
, 0, S3C24XX_VA_CLKPWR
);
529 #ifdef CONFIG_CPU_S3C2416
530 void __init
s3c2416_init_clocks(int xtal
)
532 s3c2443_common_clk_init(NULL
, xtal
, 0, S3C24XX_VA_CLKPWR
);
536 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440)
537 void __init
s3c2440_init_clocks(int xtal
)
539 s3c2410_common_clk_init(NULL
, xtal
, 1, S3C24XX_VA_CLKPWR
);
540 samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG
);
544 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442)
545 void __init
s3c2442_init_clocks(int xtal
)
547 s3c2410_common_clk_init(NULL
, xtal
, 2, S3C24XX_VA_CLKPWR
);
548 samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG
);
552 #ifdef CONFIG_CPU_S3C2443
553 void __init
s3c2443_init_clocks(int xtal
)
555 s3c2443_common_clk_init(NULL
, xtal
, 1, S3C24XX_VA_CLKPWR
);
559 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \
560 defined(CONFIG_CPU_S3C2442)
561 static struct resource s3c2410_dclk_resource
[] = {
562 [0] = DEFINE_RES_MEM(0x56000084, 0x4),
565 struct platform_device s3c2410_device_dclk
= {
566 .name
= "s3c2410-dclk",
568 .num_resources
= ARRAY_SIZE(s3c2410_dclk_resource
),
569 .resource
= s3c2410_dclk_resource
,