[ARM] Convert asm/uaccess.h to linux/uaccess.h
[linux-2.6-block.git] / arch / arm / mach-s3c2440 / mach-anubis.c
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a21765a7 1/* linux/arch/arm/mach-s3c2440/mach-anubis.c
7efb833d 2 *
7a28db61 3 * Copyright (c) 2003-2005,2008 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>
b6d1f542 18#include <linux/serial_core.h>
d052d1be 19#include <linux/platform_device.h>
b9db83af 20#include <linux/ata_platform.h>
7a28db61 21#include <linux/i2c.h>
7efb833d 22
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23#include <linux/sm501.h>
24#include <linux/sm501-regs.h>
25
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26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28#include <asm/mach/irq.h>
29
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30#include <mach/anubis-map.h>
31#include <mach/anubis-irq.h>
32#include <mach/anubis-cpld.h>
7efb833d 33
a09e64fb 34#include <mach/hardware.h>
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35#include <asm/io.h>
36#include <asm/irq.h>
37#include <asm/mach-types.h>
38
531b617c 39#include <asm/plat-s3c/regs-serial.h>
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40#include <mach/regs-gpio.h>
41#include <mach/regs-mem.h>
42#include <mach/regs-lcd.h>
531b617c 43#include <asm/plat-s3c/nand.h>
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44
45#include <linux/mtd/mtd.h>
46#include <linux/mtd/nand.h>
47#include <linux/mtd/nand_ecc.h>
48#include <linux/mtd/partitions.h>
49
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50#include <net/ax88796.h>
51
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52#include <asm/plat-s3c24xx/clock.h>
53#include <asm/plat-s3c24xx/devs.h>
54#include <asm/plat-s3c24xx/cpu.h>
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55
56#define COPYRIGHT ", (c) 2005 Simtec Electronics"
57
58static struct map_desc anubis_iodesc[] __initdata = {
59 /* ISA IO areas */
60
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61 {
62 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
63 .pfn = __phys_to_pfn(0x0),
64 .length = SZ_4M,
705630db 65 .type = MT_DEVICE,
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66 }, {
67 .virtual = (u32)S3C24XX_VA_ISA_WORD,
68 .pfn = __phys_to_pfn(0x0),
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69 .length = SZ_4M,
70 .type = MT_DEVICE,
8dd52311 71 },
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72
73 /* we could possibly compress the next set down into a set of smaller tables
74 * pagetables, but that would mean using an L2 section, and it still means
75 * we cannot actually feed the same register to an LDR due to 16K spacing
76 */
77
78 /* CPLD control registers */
79
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80 {
81 .virtual = (u32)ANUBIS_VA_CTRL1,
82 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
83 .length = SZ_4K,
705630db 84 .type = MT_DEVICE,
8dd52311 85 }, {
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86 .virtual = (u32)ANUBIS_VA_IDREG,
87 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
8dd52311 88 .length = SZ_4K,
705630db 89 .type = MT_DEVICE,
8dd52311 90 },
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91};
92
93#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
94#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
95#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
96
97static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
98 [0] = {
99 .name = "uclk",
100 .divisor = 1,
101 .min_baud = 0,
102 .max_baud = 0,
103 },
104 [1] = {
105 .name = "pclk",
106 .divisor = 1,
107 .min_baud = 0,
705630db 108 .max_baud = 0,
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109 }
110};
111
112
66a9b49a 113static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
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114 [0] = {
115 .hwport = 0,
116 .flags = 0,
117 .ucon = UCON,
118 .ulcon = ULCON,
119 .ufcon = UFCON,
120 .clocks = anubis_serial_clocks,
705630db 121 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
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122 },
123 [1] = {
124 .hwport = 2,
125 .flags = 0,
126 .ucon = UCON,
127 .ulcon = ULCON,
128 .ufcon = UFCON,
129 .clocks = anubis_serial_clocks,
705630db 130 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
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131 },
132};
133
134/* NAND Flash on Anubis board */
135
136static int external_map[] = { 2 };
137static int chip0_map[] = { 0 };
138static int chip1_map[] = { 1 };
139
9f693d7b 140static struct mtd_partition anubis_default_nand_part[] = {
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141 [0] = {
142 .name = "Boot Agent",
143 .size = SZ_16K,
705630db 144 .offset = 0,
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145 },
146 [1] = {
147 .name = "/boot",
148 .size = SZ_4M - SZ_16K,
149 .offset = SZ_16K,
150 },
151 [2] = {
152 .name = "user1",
153 .offset = SZ_4M,
154 .size = SZ_32M - SZ_4M,
155 },
156 [3] = {
157 .name = "user2",
158 .offset = SZ_32M,
159 .size = MTDPART_SIZ_FULL,
160 }
161};
162
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163static struct mtd_partition anubis_default_nand_part_large[] = {
164 [0] = {
165 .name = "Boot Agent",
166 .size = SZ_128K,
167 .offset = 0,
168 },
169 [1] = {
170 .name = "/boot",
171 .size = SZ_4M - SZ_128K,
172 .offset = SZ_128K,
173 },
174 [2] = {
175 .name = "user1",
176 .offset = SZ_4M,
177 .size = SZ_32M - SZ_4M,
178 },
179 [3] = {
180 .name = "user2",
181 .offset = SZ_32M,
182 .size = MTDPART_SIZ_FULL,
183 }
184};
185
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186/* the Anubis has 3 selectable slots for nand-flash, the two
187 * on-board chip areas, as well as the external slot.
188 *
189 * Note, there is no current hot-plug support for the External
190 * socket.
191*/
192
193static struct s3c2410_nand_set anubis_nand_sets[] = {
194 [1] = {
195 .name = "External",
196 .nr_chips = 1,
197 .nr_map = external_map,
198 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
705630db 199 .partitions = anubis_default_nand_part,
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200 },
201 [0] = {
202 .name = "chip0",
203 .nr_chips = 1,
204 .nr_map = chip0_map,
205 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
705630db 206 .partitions = anubis_default_nand_part,
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207 },
208 [2] = {
209 .name = "chip1",
210 .nr_chips = 1,
211 .nr_map = chip1_map,
212 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
705630db 213 .partitions = anubis_default_nand_part,
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214 },
215};
216
217static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
218{
219 unsigned int tmp;
220
221 slot = set->nr_map[slot] & 3;
222
223 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
224 slot, set, set->nr_map);
225
226 tmp = __raw_readb(ANUBIS_VA_CTRL1);
227 tmp &= ~ANUBIS_CTRL1_NANDSEL;
228 tmp |= slot;
229
230 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
231
232 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
233}
234
235static struct s3c2410_platform_nand anubis_nand_info = {
236 .tacls = 25,
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237 .twrph0 = 55,
238 .twrph1 = 40,
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239 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
240 .sets = anubis_nand_sets,
241 .select_chip = anubis_nand_select,
242};
243
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244/* IDE channels */
245
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246struct pata_platform_info anubis_ide_platdata = {
247 .ioport_shift = 5,
248};
249
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250static struct resource anubis_ide0_resource[] = {
251 {
252 .start = S3C2410_CS3,
253 .end = S3C2410_CS3 + (8*32) - 1,
254 .flags = IORESOURCE_MEM,
255 }, {
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256 .start = S3C2410_CS3 + (1<<26) + (6*32),
257 .end = S3C2410_CS3 + (1<<26) + (7*32) - 1,
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258 .flags = IORESOURCE_MEM,
259 }, {
260 .start = IRQ_IDE0,
261 .end = IRQ_IDE0,
262 .flags = IORESOURCE_IRQ,
263 },
264};
265
266static struct platform_device anubis_device_ide0 = {
b9db83af 267 .name = "pata_platform",
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268 .id = 0,
269 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
270 .resource = anubis_ide0_resource,
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271 .dev = {
272 .platform_data = &anubis_ide_platdata,
273 .coherent_dma_mask = ~0,
274 },
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275};
276
277static struct resource anubis_ide1_resource[] = {
278 {
279 .start = S3C2410_CS4,
280 .end = S3C2410_CS4 + (8*32) - 1,
281 .flags = IORESOURCE_MEM,
282 }, {
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283 .start = S3C2410_CS4 + (1<<26) + (6*32),
284 .end = S3C2410_CS4 + (1<<26) + (7*32) - 1,
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285 .flags = IORESOURCE_MEM,
286 }, {
287 .start = IRQ_IDE0,
288 .end = IRQ_IDE0,
289 .flags = IORESOURCE_IRQ,
290 },
291};
292
bf1c56a3 293static struct platform_device anubis_device_ide1 = {
b9db83af 294 .name = "pata_platform",
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295 .id = 1,
296 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
297 .resource = anubis_ide1_resource,
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298 .dev = {
299 .platform_data = &anubis_ide_platdata,
300 .coherent_dma_mask = ~0,
301 },
bf1c56a3 302};
7efb833d 303
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304/* Asix AX88796 10/100 ethernet controller */
305
306static struct ax_plat_data anubis_asix_platdata = {
307 .flags = AXFLG_MAC_FROMDEV,
308 .wordlength = 2,
309 .dcr_val = 0x48,
310 .rcr_val = 0x40,
311};
312
313static struct resource anubis_asix_resource[] = {
314 [0] = {
315 .start = S3C2410_CS5,
316 .end = S3C2410_CS5 + (0x20 * 0x20) -1,
317 .flags = IORESOURCE_MEM
318 },
319 [1] = {
320 .start = IRQ_ASIX,
321 .end = IRQ_ASIX,
322 .flags = IORESOURCE_IRQ
323 }
324};
325
326static struct platform_device anubis_device_asix = {
327 .name = "ax88796",
328 .id = 0,
329 .num_resources = ARRAY_SIZE(anubis_asix_resource),
330 .resource = anubis_asix_resource,
331 .dev = {
332 .platform_data = &anubis_asix_platdata,
333 }
334};
335
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336/* SM501 */
337
338static struct resource anubis_sm501_resource[] = {
339 [0] = {
340 .start = S3C2410_CS2,
341 .end = S3C2410_CS2 + SZ_8M,
342 .flags = IORESOURCE_MEM,
343 },
344 [1] = {
345 .start = S3C2410_CS2 + SZ_64M - SZ_2M,
346 .end = S3C2410_CS2 + SZ_64M - 1,
347 .flags = IORESOURCE_MEM,
348 },
349 [2] = {
350 .start = IRQ_EINT0,
351 .end = IRQ_EINT0,
352 .flags = IORESOURCE_IRQ,
353 },
354};
355
356static struct sm501_initdata anubis_sm501_initdata = {
357 .gpio_high = {
358 .set = 0x3F000000, /* 24bit panel */
359 .mask = 0x0,
360 },
361 .misc_timing = {
362 .set = 0x010100, /* SDRAM timing */
363 .mask = 0x1F1F00,
364 },
365 .misc_control = {
366 .set = SM501_MISC_PNL_24BIT,
367 .mask = 0,
368 },
369
370 /* set the SDRAM and bus clocks */
371 .mclk = 72 * MHZ,
372 .m1xclk = 144 * MHZ,
373};
374
375static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
376 [0] = {
377 .pin_scl = 44,
378 .pin_sda = 45,
379 },
380 [1] = {
381 .pin_scl = 40,
382 .pin_sda = 41,
383 },
384};
385
386static struct sm501_platdata anubis_sm501_platdata = {
387 .init = &anubis_sm501_initdata,
388 .gpio_i2c = anubis_sm501_gpio_i2c,
389 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
390};
391
392static struct platform_device anubis_device_sm501 = {
393 .name = "sm501",
394 .id = 0,
395 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
396 .resource = anubis_sm501_resource,
397 .dev = {
398 .platform_data = &anubis_sm501_platdata,
399 },
400};
401
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402/* Standard Anubis devices */
403
404static struct platform_device *anubis_devices[] __initdata = {
405 &s3c_device_usb,
406 &s3c_device_wdt,
407 &s3c_device_adc,
408 &s3c_device_i2c,
409 &s3c_device_rtc,
410 &s3c_device_nand,
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411 &anubis_device_ide0,
412 &anubis_device_ide1,
eac1d8da 413 &anubis_device_asix,
8a9ccb7f 414 &anubis_device_sm501,
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415};
416
2bc7509f 417static struct clk *anubis_clocks[] __initdata = {
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418 &s3c24xx_dclk0,
419 &s3c24xx_dclk1,
420 &s3c24xx_clkout0,
421 &s3c24xx_clkout1,
422 &s3c24xx_uclk,
423};
424
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425/* I2C devices. */
426
427static struct i2c_board_info anubis_i2c_devs[] __initdata = {
428 {
429 I2C_BOARD_INFO("tps65011", 0x48),
430 .irq = IRQ_EINT20,
431 }
432};
433
5fe10ab1 434static void __init anubis_map_io(void)
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435{
436 /* initialise the clocks */
437
d96a9804 438 s3c24xx_dclk0.parent = &clk_upll;
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439 s3c24xx_dclk0.rate = 12*1000*1000;
440
d96a9804 441 s3c24xx_dclk1.parent = &clk_upll;
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442 s3c24xx_dclk1.rate = 24*1000*1000;
443
444 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
445 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
446
447 s3c24xx_uclk.parent = &s3c24xx_clkout1;
448
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449 s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
450
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451 s3c_device_nand.dev.platform_data = &anubis_nand_info;
452
453 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
454 s3c24xx_init_clocks(0);
455 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
7efb833d 456
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457 /* check for the newer revision boards with large page nand */
458
459 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
460 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
461 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
462 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
463 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
464 } else {
465 /* ensure that the GPIO is setup */
466 s3c2410_gpio_setpin(S3C2410_GPA0, 1);
467 }
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468}
469
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470static void __init anubis_init(void)
471{
472 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
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473
474 i2c_register_board_info(0, anubis_i2c_devs,
475 ARRAY_SIZE(anubis_i2c_devs));
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476}
477
478
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479MACHINE_START(ANUBIS, "Simtec-Anubis")
480 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
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481 .phys_io = S3C2410_PA_UART,
482 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
483 .boot_params = S3C2410_SDRAM_PA + 0x100,
484 .map_io = anubis_map_io,
57e5171c 485 .init_machine = anubis_init,
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486 .init_irq = s3c24xx_init_irq,
487 .timer = &s3c24xx_timer,
488MACHINE_END