Documentation / ACPI: update to GPIO descriptor API
[deliverable/linux.git] / arch / arm / mach-s3c24xx / mach-anubis.c
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a21765a7 1/* linux/arch/arm/mach-s3c2440/mach-anubis.c
7efb833d 2 *
50f430e3 3 * Copyright 2003-2009 Simtec Electronics
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4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
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7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
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10*/
11
12#include <linux/kernel.h>
13#include <linux/types.h>
14#include <linux/interrupt.h>
15#include <linux/list.h>
16#include <linux/timer.h>
17#include <linux/init.h>
ec976d6e 18#include <linux/gpio.h>
b6d1f542 19#include <linux/serial_core.h>
d052d1be 20#include <linux/platform_device.h>
b9db83af 21#include <linux/ata_platform.h>
7a28db61 22#include <linux/i2c.h>
fced80c7 23#include <linux/io.h>
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24#include <linux/sm501.h>
25#include <linux/sm501-regs.h>
26
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27#include <asm/mach/arch.h>
28#include <asm/mach/map.h>
29#include <asm/mach/irq.h>
30
a09e64fb 31#include <mach/hardware.h>
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32#include <asm/irq.h>
33#include <asm/mach-types.h>
34
a2b7ba9c 35#include <plat/regs-serial.h>
a09e64fb 36#include <mach/regs-gpio.h>
a09e64fb 37#include <mach/regs-lcd.h>
436d42c6
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38#include <linux/platform_data/mtd-nand-s3c2410.h>
39#include <linux/platform_data/i2c-s3c2410.h>
c67d0f29 40#include <linux/platform_data/gpio-samsung-s3c24xx.h>
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41
42#include <linux/mtd/mtd.h>
43#include <linux/mtd/nand.h>
44#include <linux/mtd/nand_ecc.h>
45#include <linux/mtd/partitions.h>
46
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47#include <net/ax88796.h>
48
d5120ae7 49#include <plat/clock.h>
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50#include <plat/devs.h>
51#include <plat/cpu.h>
436d42c6 52#include <linux/platform_data/asoc-s3c24xx_simtec.h>
7f78b6eb 53#include <plat/samsung-time.h>
7efb833d 54
fc351246 55#include "anubis.h"
b27b0727 56#include "common.h"
fc351246 57#include "simtec.h"
b27b0727 58
50f430e3 59#define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics"
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60
61static struct map_desc anubis_iodesc[] __initdata = {
62 /* ISA IO areas */
63
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64 {
65 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
66 .pfn = __phys_to_pfn(0x0),
67 .length = SZ_4M,
705630db 68 .type = MT_DEVICE,
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69 }, {
70 .virtual = (u32)S3C24XX_VA_ISA_WORD,
71 .pfn = __phys_to_pfn(0x0),
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72 .length = SZ_4M,
73 .type = MT_DEVICE,
8dd52311 74 },
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75
76 /* we could possibly compress the next set down into a set of smaller tables
77 * pagetables, but that would mean using an L2 section, and it still means
78 * we cannot actually feed the same register to an LDR due to 16K spacing
79 */
80
81 /* CPLD control registers */
82
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83 {
84 .virtual = (u32)ANUBIS_VA_CTRL1,
85 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
86 .length = SZ_4K,
705630db 87 .type = MT_DEVICE,
8dd52311 88 }, {
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89 .virtual = (u32)ANUBIS_VA_IDREG,
90 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
8dd52311 91 .length = SZ_4K,
705630db 92 .type = MT_DEVICE,
8dd52311 93 },
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94};
95
96#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
97#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
98#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
99
66a9b49a 100static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
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101 [0] = {
102 .hwport = 0,
103 .flags = 0,
104 .ucon = UCON,
105 .ulcon = ULCON,
106 .ufcon = UFCON,
afba7f91 107 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
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108 },
109 [1] = {
110 .hwport = 2,
111 .flags = 0,
112 .ucon = UCON,
113 .ulcon = ULCON,
114 .ufcon = UFCON,
afba7f91 115 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
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116 },
117};
118
119/* NAND Flash on Anubis board */
120
121static int external_map[] = { 2 };
122static int chip0_map[] = { 0 };
123static int chip1_map[] = { 1 };
124
2a3a1804 125static struct mtd_partition __initdata anubis_default_nand_part[] = {
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126 [0] = {
127 .name = "Boot Agent",
128 .size = SZ_16K,
705630db 129 .offset = 0,
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130 },
131 [1] = {
132 .name = "/boot",
133 .size = SZ_4M - SZ_16K,
134 .offset = SZ_16K,
135 },
136 [2] = {
137 .name = "user1",
138 .offset = SZ_4M,
139 .size = SZ_32M - SZ_4M,
140 },
141 [3] = {
142 .name = "user2",
143 .offset = SZ_32M,
144 .size = MTDPART_SIZ_FULL,
145 }
146};
147
2a3a1804 148static struct mtd_partition __initdata anubis_default_nand_part_large[] = {
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149 [0] = {
150 .name = "Boot Agent",
151 .size = SZ_128K,
152 .offset = 0,
153 },
154 [1] = {
155 .name = "/boot",
156 .size = SZ_4M - SZ_128K,
157 .offset = SZ_128K,
158 },
159 [2] = {
160 .name = "user1",
161 .offset = SZ_4M,
162 .size = SZ_32M - SZ_4M,
163 },
164 [3] = {
165 .name = "user2",
166 .offset = SZ_32M,
167 .size = MTDPART_SIZ_FULL,
168 }
169};
170
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171/* the Anubis has 3 selectable slots for nand-flash, the two
172 * on-board chip areas, as well as the external slot.
173 *
174 * Note, there is no current hot-plug support for the External
175 * socket.
176*/
177
2a3a1804 178static struct s3c2410_nand_set __initdata anubis_nand_sets[] = {
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179 [1] = {
180 .name = "External",
181 .nr_chips = 1,
182 .nr_map = external_map,
183 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
705630db 184 .partitions = anubis_default_nand_part,
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185 },
186 [0] = {
187 .name = "chip0",
188 .nr_chips = 1,
189 .nr_map = chip0_map,
190 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
705630db 191 .partitions = anubis_default_nand_part,
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192 },
193 [2] = {
194 .name = "chip1",
195 .nr_chips = 1,
196 .nr_map = chip1_map,
197 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
705630db 198 .partitions = anubis_default_nand_part,
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199 },
200};
201
202static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
203{
204 unsigned int tmp;
205
206 slot = set->nr_map[slot] & 3;
207
208 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
209 slot, set, set->nr_map);
210
211 tmp = __raw_readb(ANUBIS_VA_CTRL1);
212 tmp &= ~ANUBIS_CTRL1_NANDSEL;
213 tmp |= slot;
214
215 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
216
217 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
218}
219
2a3a1804 220static struct s3c2410_platform_nand __initdata anubis_nand_info = {
7efb833d 221 .tacls = 25,
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222 .twrph0 = 55,
223 .twrph1 = 40,
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224 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
225 .sets = anubis_nand_sets,
226 .select_chip = anubis_nand_select,
227};
228
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229/* IDE channels */
230
019dbaa1 231static struct pata_platform_info anubis_ide_platdata = {
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232 .ioport_shift = 5,
233};
234
bf1c56a3 235static struct resource anubis_ide0_resource[] = {
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236 [0] = DEFINE_RES_MEM(S3C2410_CS3, 8 * 32),
237 [2] = DEFINE_RES_MEM(S3C2410_CS3 + (1 << 26) + (6 * 32), 32),
fc351246 238 [3] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0),
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239};
240
241static struct platform_device anubis_device_ide0 = {
b9db83af 242 .name = "pata_platform",
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243 .id = 0,
244 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
245 .resource = anubis_ide0_resource,
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246 .dev = {
247 .platform_data = &anubis_ide_platdata,
248 .coherent_dma_mask = ~0,
249 },
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250};
251
252static struct resource anubis_ide1_resource[] = {
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253 [0] = DEFINE_RES_MEM(S3C2410_CS4, 8 * 32),
254 [1] = DEFINE_RES_MEM(S3C2410_CS4 + (1 << 26) + (6 * 32), 32),
fc351246 255 [2] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0),
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256};
257
bf1c56a3 258static struct platform_device anubis_device_ide1 = {
b9db83af 259 .name = "pata_platform",
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260 .id = 1,
261 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
262 .resource = anubis_ide1_resource,
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263 .dev = {
264 .platform_data = &anubis_ide_platdata,
265 .coherent_dma_mask = ~0,
266 },
bf1c56a3 267};
7efb833d 268
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269/* Asix AX88796 10/100 ethernet controller */
270
271static struct ax_plat_data anubis_asix_platdata = {
272 .flags = AXFLG_MAC_FROMDEV,
273 .wordlength = 2,
274 .dcr_val = 0x48,
275 .rcr_val = 0x40,
276};
277
278static struct resource anubis_asix_resource[] = {
d1c14938 279 [0] = DEFINE_RES_MEM(S3C2410_CS5, 0x20 * 0x20),
fc351246 280 [1] = DEFINE_RES_IRQ(ANUBIS_IRQ_ASIX),
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281};
282
283static struct platform_device anubis_device_asix = {
284 .name = "ax88796",
285 .id = 0,
286 .num_resources = ARRAY_SIZE(anubis_asix_resource),
287 .resource = anubis_asix_resource,
288 .dev = {
289 .platform_data = &anubis_asix_platdata,
290 }
291};
292
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293/* SM501 */
294
295static struct resource anubis_sm501_resource[] = {
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296 [0] = DEFINE_RES_MEM(S3C2410_CS2, SZ_8M),
297 [1] = DEFINE_RES_MEM(S3C2410_CS2 + SZ_64M - SZ_2M, SZ_2M),
298 [2] = DEFINE_RES_IRQ(IRQ_EINT0),
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299};
300
301static struct sm501_initdata anubis_sm501_initdata = {
302 .gpio_high = {
303 .set = 0x3F000000, /* 24bit panel */
304 .mask = 0x0,
305 },
306 .misc_timing = {
307 .set = 0x010100, /* SDRAM timing */
308 .mask = 0x1F1F00,
309 },
310 .misc_control = {
311 .set = SM501_MISC_PNL_24BIT,
312 .mask = 0,
313 },
314
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315 .devices = SM501_USE_GPIO,
316
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317 /* set the SDRAM and bus clocks */
318 .mclk = 72 * MHZ,
319 .m1xclk = 144 * MHZ,
320};
321
322static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
323 [0] = {
6290ce30 324 .bus_num = 1,
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325 .pin_scl = 44,
326 .pin_sda = 45,
327 },
328 [1] = {
6290ce30 329 .bus_num = 2,
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330 .pin_scl = 40,
331 .pin_sda = 41,
332 },
333};
334
335static struct sm501_platdata anubis_sm501_platdata = {
336 .init = &anubis_sm501_initdata,
6290ce30 337 .gpio_base = -1,
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338 .gpio_i2c = anubis_sm501_gpio_i2c,
339 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
340};
341
342static struct platform_device anubis_device_sm501 = {
343 .name = "sm501",
344 .id = 0,
345 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
346 .resource = anubis_sm501_resource,
347 .dev = {
348 .platform_data = &anubis_sm501_platdata,
349 },
350};
351
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352/* Standard Anubis devices */
353
354static struct platform_device *anubis_devices[] __initdata = {
b813248c 355 &s3c_device_ohci,
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356 &s3c_device_wdt,
357 &s3c_device_adc,
3e1b776c 358 &s3c_device_i2c0,
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359 &s3c_device_rtc,
360 &s3c_device_nand,
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361 &anubis_device_ide0,
362 &anubis_device_ide1,
eac1d8da 363 &anubis_device_asix,
8a9ccb7f 364 &anubis_device_sm501,
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365};
366
2bc7509f 367static struct clk *anubis_clocks[] __initdata = {
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368 &s3c24xx_dclk0,
369 &s3c24xx_dclk1,
370 &s3c24xx_clkout0,
371 &s3c24xx_clkout1,
372 &s3c24xx_uclk,
373};
374
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375/* I2C devices. */
376
377static struct i2c_board_info anubis_i2c_devs[] __initdata = {
378 {
379 I2C_BOARD_INFO("tps65011", 0x48),
380 .irq = IRQ_EINT20,
381 }
382};
383
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384/* Audio setup */
385static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = {
386 .have_mic = 1,
387 .have_lout = 1,
388 .output_cdclk = 1,
389 .use_mpllin = 1,
390 .amp_gpio = S3C2410_GPB(2),
391 .amp_gain[0] = S3C2410_GPD(10),
392 .amp_gain[1] = S3C2410_GPD(11),
393};
394
5fe10ab1 395static void __init anubis_map_io(void)
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396{
397 /* initialise the clocks */
398
d96a9804 399 s3c24xx_dclk0.parent = &clk_upll;
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400 s3c24xx_dclk0.rate = 12*1000*1000;
401
d96a9804 402 s3c24xx_dclk1.parent = &clk_upll;
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403 s3c24xx_dclk1.rate = 24*1000*1000;
404
405 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
406 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
407
408 s3c24xx_uclk.parent = &s3c24xx_clkout1;
409
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410 s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
411
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412 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
413 s3c24xx_init_clocks(0);
414 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
7f78b6eb 415 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
7efb833d 416
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417 /* check for the newer revision boards with large page nand */
418
419 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
420 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
421 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
422 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
423 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
424 } else {
425 /* ensure that the GPIO is setup */
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426 gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL);
427 gpio_free(S3C2410_GPA(0));
ad3613f4 428 }
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429}
430
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431static void __init anubis_init(void)
432{
3e1b776c 433 s3c_i2c0_set_platdata(NULL);
2a3a1804 434 s3c_nand_set_platdata(&anubis_nand_info);
4d3a3469 435 simtec_audio_add(NULL, false, &anubis_audio);
2a3a1804 436
57e5171c 437 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
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438
439 i2c_register_board_info(0, anubis_i2c_devs,
440 ARRAY_SIZE(anubis_i2c_devs));
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441}
442
443
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444MACHINE_START(ANUBIS, "Simtec-Anubis")
445 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
69d50710 446 .atag_offset = 0x100,
7efb833d 447 .map_io = anubis_map_io,
57e5171c 448 .init_machine = anubis_init,
ce6c164b 449 .init_irq = s3c2440_init_irq,
7f78b6eb 450 .init_time = samsung_timer_init,
c1ba544f 451 .restart = s3c244x_restart,
7efb833d 452MACHINE_END
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