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Linux 4.15.10
[linux/fpc-iii.git] / arch / arm / mach-s3c24xx / common.c
blob5b6b94ef41e28418a843562138fafce4b792879b
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 #include <linux/dma-mapping.h>
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>
34 #include <linux/io.h>
35 #include <linux/platform_data/dma-s3c24xx.h>
36 #include <linux/dmaengine.h>
37
38 #include <mach/hardware.h>
39 #include <mach/regs-clock.h>
40 #include <asm/irq.h>
41 #include <asm/cacheflush.h>
42 #include <asm/system_info.h>
43 #include <asm/system_misc.h>
44
45 #include <asm/mach/arch.h>
46 #include <asm/mach/map.h>
47
48 #include <mach/regs-gpio.h>
49 #include <mach/dma.h>
50
51 #include <plat/cpu.h>
52 #include <plat/devs.h>
53 #include <plat/cpu-freq.h>
54 #include <plat/pwm-core.h>
55
56 #include "common.h"
57
58 /* table of supported CPUs */
59
60 static const char name_s3c2410[] = "S3C2410";
61 static const char name_s3c2412[] = "S3C2412";
62 static const char name_s3c2416[] = "S3C2416/S3C2450";
63 static const char name_s3c2440[] = "S3C2440";
64 static const char name_s3c2442[] = "S3C2442";
65 static const char name_s3c2442b[] = "S3C2442B";
66 static const char name_s3c2443[] = "S3C2443";
67 static const char name_s3c2410a[] = "S3C2410A";
68 static const char name_s3c2440a[] = "S3C2440A";
69
70 static struct cpu_table cpu_ids[] __initdata = {
71 {
72 .idcode = 0x32410000,
73 .idmask = 0xffffffff,
74 .map_io = s3c2410_map_io,
75 .init_uarts = s3c2410_init_uarts,
76 .init = s3c2410_init,
77 .name = name_s3c2410
78 },
79 {
80 .idcode = 0x32410002,
81 .idmask = 0xffffffff,
82 .map_io = s3c2410_map_io,
83 .init_uarts = s3c2410_init_uarts,
84 .init = s3c2410a_init,
85 .name = name_s3c2410a
86 },
87 {
88 .idcode = 0x32440000,
89 .idmask = 0xffffffff,
90 .map_io = s3c2440_map_io,
91 .init_uarts = s3c244x_init_uarts,
92 .init = s3c2440_init,
93 .name = name_s3c2440
94 },
95 {
96 .idcode = 0x32440001,
97 .idmask = 0xffffffff,
98 .map_io = s3c2440_map_io,
99 .init_uarts = s3c244x_init_uarts,
100 .init = s3c2440_init,
101 .name = name_s3c2440a
102 },
103 {
104 .idcode = 0x32440aaa,
105 .idmask = 0xffffffff,
106 .map_io = s3c2442_map_io,
107 .init_uarts = s3c244x_init_uarts,
108 .init = s3c2442_init,
109 .name = name_s3c2442
110 },
111 {
112 .idcode = 0x32440aab,
113 .idmask = 0xffffffff,
114 .map_io = s3c2442_map_io,
115 .init_uarts = s3c244x_init_uarts,
116 .init = s3c2442_init,
117 .name = name_s3c2442b
118 },
119 {
120 .idcode = 0x32412001,
121 .idmask = 0xffffffff,
122 .map_io = s3c2412_map_io,
123 .init_uarts = s3c2412_init_uarts,
124 .init = s3c2412_init,
125 .name = name_s3c2412,
126 },
127 { /* a newer version of the s3c2412 */
128 .idcode = 0x32412003,
129 .idmask = 0xffffffff,
130 .map_io = s3c2412_map_io,
131 .init_uarts = s3c2412_init_uarts,
132 .init = s3c2412_init,
133 .name = name_s3c2412,
134 },
135 { /* a strange version of the s3c2416 */
136 .idcode = 0x32450003,
137 .idmask = 0xffffffff,
138 .map_io = s3c2416_map_io,
139 .init_uarts = s3c2416_init_uarts,
140 .init = s3c2416_init,
141 .name = name_s3c2416,
142 },
143 {
144 .idcode = 0x32443001,
145 .idmask = 0xffffffff,
146 .map_io = s3c2443_map_io,
147 .init_uarts = s3c2443_init_uarts,
148 .init = s3c2443_init,
149 .name = name_s3c2443,
150 },
151 };
152
153 /* minimal IO mapping */
154
155 static struct map_desc s3c_iodesc[] __initdata = {
156 IODESC_ENT(GPIO),
157 IODESC_ENT(IRQ),
158 IODESC_ENT(MEMCTRL),
159 IODESC_ENT(UART)
160 };
161
162 /* read cpu identificaiton code */
163
164 static unsigned long s3c24xx_read_idcode_v5(void)
165 {
166 #if defined(CONFIG_CPU_S3C2416)
167 /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
168
169 u32 gs = __raw_readl(S3C24XX_GSTATUS1);
170
171 /* test for s3c2416 or similar device */
172 if ((gs >> 16) == 0x3245)
173 return gs;
174 #endif
175
176 #if defined(CONFIG_CPU_S3C2412)
177 return __raw_readl(S3C2412_GSTATUS1);
178 #else
179 return 1UL; /* don't look like an 2400 */
180 #endif
181 }
182
183 static unsigned long s3c24xx_read_idcode_v4(void)
184 {
185 return __raw_readl(S3C2410_GSTATUS1);
186 }
187
188 static void s3c24xx_default_idle(void)
189 {
190 unsigned long tmp = 0;
191 int i;
192
193 /* idle the system by using the idle mode which will wait for an
194 * interrupt to happen before restarting the system.
195 */
196
197 /* Warning: going into idle state upsets jtag scanning */
198
199 __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
200 S3C2410_CLKCON);
201
202 /* the samsung port seems to do a loop and then unset idle.. */
203 for (i = 0; i < 50; i++)
204 tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
205
206 /* this bit is not cleared on re-start... */
207
208 __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
209 S3C2410_CLKCON);
210 }
211
212 static struct samsung_pwm_variant s3c24xx_pwm_variant = {
213 .bits = 16,
214 .div_base = 1,
215 .has_tint_cstat = false,
216 .tclk_mask = (1 << 4),
217 };
218
219 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
220 {
221 arm_pm_idle = s3c24xx_default_idle;
222
223 /* initialise the io descriptors we need for initialisation */
224 iotable_init(mach_desc, size);
225 iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
226
227 if (cpu_architecture() >= CPU_ARCH_ARMv5) {
228 samsung_cpu_id = s3c24xx_read_idcode_v5();
229 } else {
230 samsung_cpu_id = s3c24xx_read_idcode_v4();
231 }
232
233 s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
234
235 samsung_pwm_set_platdata(&s3c24xx_pwm_variant);
236 }
237
238 void __init samsung_set_timer_source(unsigned int event, unsigned int source)
239 {
240 s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
241 s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
242 }
243
244 void __init samsung_timer_init(void)
245 {
246 unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
247 IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4,
248 };
249
250 samsung_pwm_clocksource_init(S3C_VA_TIMER,
251 timer_irqs, &s3c24xx_pwm_variant);
252 }
253
254 /* Serial port registrations */
255
256 #define S3C2410_PA_UART0 (S3C24XX_PA_UART)
257 #define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 )
258 #define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 )
259 #define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 )
260
261 static struct resource s3c2410_uart0_resource[] = {
262 [0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K),
263 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \
264 IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \
265 NULL, IORESOURCE_IRQ)
266 };
267
268 static struct resource s3c2410_uart1_resource[] = {
269 [0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K),
270 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \
271 IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \
272 NULL, IORESOURCE_IRQ)
273 };
274
275 static struct resource s3c2410_uart2_resource[] = {
276 [0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K),
277 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \
278 IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \
279 NULL, IORESOURCE_IRQ)
280 };
281
282 static struct resource s3c2410_uart3_resource[] = {
283 [0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K),
284 [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \
285 IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \
286 NULL, IORESOURCE_IRQ)
287 };
288
289 struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
290 [0] = {
291 .resources = s3c2410_uart0_resource,
292 .nr_resources = ARRAY_SIZE(s3c2410_uart0_resource),
293 },
294 [1] = {
295 .resources = s3c2410_uart1_resource,
296 .nr_resources = ARRAY_SIZE(s3c2410_uart1_resource),
297 },
298 [2] = {
299 .resources = s3c2410_uart2_resource,
300 .nr_resources = ARRAY_SIZE(s3c2410_uart2_resource),
301 },
302 [3] = {
303 .resources = s3c2410_uart3_resource,
304 .nr_resources = ARRAY_SIZE(s3c2410_uart3_resource),
305 },
306 };
307
308 #define s3c24xx_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) }))
309
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),
318 };
319 #endif
320
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),
328 },
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),
337 },
338 [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
339 S3C24XX_DMA_CHANREQ(1, 2),
340 },
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), },
346 };
347
348 static const struct dma_slave_map s3c2410_dma_slave_map[] = {
349 { "s3c2410-sdi", "rx-tx", (void *)DMACH_SDI },
350 { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0_RX },
351 { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0_TX },
352 { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1_RX },
353 { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1_TX },
354 /*
355 * The DMA request source[1] (DMACH_UARTx_SRC2) are
356 * not used in the UART driver.
357 */
358 { "s3c2410-uart.0", "rx", (void *)DMACH_UART0 },
359 { "s3c2410-uart.0", "tx", (void *)DMACH_UART0 },
360 { "s3c2410-uart.1", "rx", (void *)DMACH_UART1 },
361 { "s3c2410-uart.1", "tx", (void *)DMACH_UART1 },
362 { "s3c2410-uart.2", "rx", (void *)DMACH_UART2 },
363 { "s3c2410-uart.2", "tx", (void *)DMACH_UART2 },
364 { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
365 { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
366 { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
367 { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
368 { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
369 { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
370 { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
371 { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
372 { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
373 { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
374 };
375
376 static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
377 .num_phy_channels = 4,
378 .channels = s3c2410_dma_channels,
379 .num_channels = DMACH_MAX,
380 .slave_map = s3c2410_dma_slave_map,
381 .slavecnt = ARRAY_SIZE(s3c2410_dma_slave_map),
382 };
383
384 struct platform_device s3c2410_device_dma = {
385 .name = "s3c2410-dma",
386 .id = 0,
387 .num_resources = ARRAY_SIZE(s3c2410_dma_resource),
388 .resource = s3c2410_dma_resource,
389 .dev = {
390 .dma_mask = &s3c24xx_device_dma_mask,
391 .coherent_dma_mask = DMA_BIT_MASK(32),
392 .platform_data = &s3c2410_dma_platdata,
393 },
394 };
395 #endif
396
397 #ifdef CONFIG_CPU_S3C2412
398 static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
399 [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
400 [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
401 [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
402 [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
403 [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
404 [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
405 [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
406 [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
407 [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
408 [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
409 [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
410 [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
411 [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
412 [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
413 [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
414 [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
415 [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
416 [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
417 [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
418 [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
419 };
420
421 static const struct dma_slave_map s3c2412_dma_slave_map[] = {
422 { "s3c2412-sdi", "rx-tx", (void *)DMACH_SDI },
423 { "s3c2412-spi.0", "rx", (void *)DMACH_SPI0_RX },
424 { "s3c2412-spi.0", "tx", (void *)DMACH_SPI0_TX },
425 { "s3c2412-spi.1", "rx", (void *)DMACH_SPI1_RX },
426 { "s3c2412-spi.1", "tx", (void *)DMACH_SPI1_TX },
427 { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
428 { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
429 { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
430 { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
431 { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
432 { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
433 { "s3c2412-iis", "rx", (void *)DMACH_I2S_IN },
434 { "s3c2412-iis", "tx", (void *)DMACH_I2S_OUT },
435 { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
436 { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
437 { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
438 { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
439 { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
440 { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
441 { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
442 { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
443 };
444
445 static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
446 .num_phy_channels = 4,
447 .channels = s3c2412_dma_channels,
448 .num_channels = DMACH_MAX,
449 .slave_map = s3c2412_dma_slave_map,
450 .slavecnt = ARRAY_SIZE(s3c2412_dma_slave_map),
451 };
452
453 struct platform_device s3c2412_device_dma = {
454 .name = "s3c2412-dma",
455 .id = 0,
456 .num_resources = ARRAY_SIZE(s3c2410_dma_resource),
457 .resource = s3c2410_dma_resource,
458 .dev = {
459 .dma_mask = &s3c24xx_device_dma_mask,
460 .coherent_dma_mask = DMA_BIT_MASK(32),
461 .platform_data = &s3c2412_dma_platdata,
462 },
463 };
464 #endif
465
466 #if defined(CONFIG_CPU_S3C2440)
467 static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = {
468 [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
469 [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
470 [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
471 S3C24XX_DMA_CHANREQ(6, 1) |
472 S3C24XX_DMA_CHANREQ(2, 2) |
473 S3C24XX_DMA_CHANREQ(1, 3),
474 },
475 [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
476 [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
477 [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
478 [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
479 [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
480 [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
481 S3C24XX_DMA_CHANREQ(3, 2) |
482 S3C24XX_DMA_CHANREQ(3, 3),
483 },
484 [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
485 S3C24XX_DMA_CHANREQ(1, 2),
486 },
487 [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) |
488 S3C24XX_DMA_CHANREQ(0, 2),
489 },
490 [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) |
491 S3C24XX_DMA_CHANREQ(5, 2),
492 },
493 [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) |
494 S3C24XX_DMA_CHANREQ(6, 3),
495 },
496 [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) |
497 S3C24XX_DMA_CHANREQ(5, 3),
498 },
499 [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
500 [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
501 [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
502 [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
503 };
504
505 static const struct dma_slave_map s3c2440_dma_slave_map[] = {
506 /* TODO: DMACH_XD0 */
507 /* TODO: DMACH_XD1 */
508 { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
509 { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0 },
510 { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0 },
511 { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1 },
512 { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1 },
513 { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
514 { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
515 { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
516 { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
517 { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
518 { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
519 { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
520 { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
521 /* TODO: DMACH_TIMER */
522 { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
523 { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
524 { "samsung-ac97", "rx", (void *)DMACH_PCM_IN },
525 { "samsung-ac97", "tx", (void *)DMACH_PCM_OUT },
526 { "samsung-ac97", "rx", (void *)DMACH_MIC_IN },
527 { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
528 { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
529 { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
530 { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
531 { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
532 { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
533 { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
534 { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
535 };
536
537 static struct s3c24xx_dma_platdata s3c2440_dma_platdata = {
538 .num_phy_channels = 4,
539 .channels = s3c2440_dma_channels,
540 .num_channels = DMACH_MAX,
541 .slave_map = s3c2440_dma_slave_map,
542 .slavecnt = ARRAY_SIZE(s3c2440_dma_slave_map),
543 };
544
545 struct platform_device s3c2440_device_dma = {
546 .name = "s3c2410-dma",
547 .id = 0,
548 .num_resources = ARRAY_SIZE(s3c2410_dma_resource),
549 .resource = s3c2410_dma_resource,
550 .dev = {
551 .dma_mask = &s3c24xx_device_dma_mask,
552 .coherent_dma_mask = DMA_BIT_MASK(32),
553 .platform_data = &s3c2440_dma_platdata,
554 },
555 };
556 #endif
557
558 #if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
559 static struct resource s3c2443_dma_resource[] = {
560 [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
561 [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
562 [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
563 [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
564 [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
565 [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
566 [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
567 };
568
569 static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
570 [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
571 [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
572 [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
573 [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
574 [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
575 [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
576 [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
577 [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
578 [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
579 [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
580 [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
581 [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
582 [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
583 [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
584 [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
585 [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
586 [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
587 [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
588 [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
589 [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
590 [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
591 };
592
593 static const struct dma_slave_map s3c2443_dma_slave_map[] = {
594 { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
595 { "s3c2443-spi.0", "rx", (void *)DMACH_SPI0_RX },
596 { "s3c2443-spi.0", "tx", (void *)DMACH_SPI0_TX },
597 { "s3c2443-spi.1", "rx", (void *)DMACH_SPI1_RX },
598 { "s3c2443-spi.1", "tx", (void *)DMACH_SPI1_TX },
599 { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
600 { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
601 { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
602 { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
603 { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
604 { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
605 { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
606 { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
607 { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
608 { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
609 };
610
611 static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
612 .num_phy_channels = 6,
613 .channels = s3c2443_dma_channels,
614 .num_channels = DMACH_MAX,
615 .slave_map = s3c2443_dma_slave_map,
616 .slavecnt = ARRAY_SIZE(s3c2443_dma_slave_map),
617 };
618
619 struct platform_device s3c2443_device_dma = {
620 .name = "s3c2443-dma",
621 .id = 0,
622 .num_resources = ARRAY_SIZE(s3c2443_dma_resource),
623 .resource = s3c2443_dma_resource,
624 .dev = {
625 .dma_mask = &s3c24xx_device_dma_mask,
626 .coherent_dma_mask = DMA_BIT_MASK(32),
627 .platform_data = &s3c2443_dma_platdata,
628 },
629 };
630 #endif
631
632 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410)
633 void __init s3c2410_init_clocks(int xtal)
634 {
635 s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
636 }
637 #endif
638
639 #ifdef CONFIG_CPU_S3C2412
640 void __init s3c2412_init_clocks(int xtal)
641 {
642 s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
643 }
644 #endif
645
646 #ifdef CONFIG_CPU_S3C2416
647 void __init s3c2416_init_clocks(int xtal)
648 {
649 s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
650 }
651 #endif
652
653 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440)
654 void __init s3c2440_init_clocks(int xtal)
655 {
656 s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
657 }
658 #endif
659
660 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442)
661 void __init s3c2442_init_clocks(int xtal)
662 {
663 s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR);
664 }
665 #endif
666
667 #ifdef CONFIG_CPU_S3C2443
668 void __init s3c2443_init_clocks(int xtal)
669 {
670 s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
671 }
672 #endif
673
674 #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \
675 defined(CONFIG_CPU_S3C2442)
676 static struct resource s3c2410_dclk_resource[] = {
677 [0] = DEFINE_RES_MEM(0x56000084, 0x4),
678 };
679
680 struct platform_device s3c2410_device_dclk = {
681 .name = "s3c2410-dclk",
682 .id = 0,
683 .num_resources = ARRAY_SIZE(s3c2410_dclk_resource),
684 .resource = s3c2410_dclk_resource,
685 };
686 #endif
Linux with added FPC-III support