x86: Stop including <linux/delay.h> in two asm header files
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-s3c2410 / mach-bast.c
blob2970ea9f7c2bfced373562f3d0c8e157a23f8bf3
1 /* linux/arch/arm/mach-s3c2410/mach-bast.c
3 * Copyright 2003-2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * http://www.simtec.co.uk/products/EB2410ITX/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/interrupt.h>
16 #include <linux/list.h>
17 #include <linux/timer.h>
18 #include <linux/init.h>
19 #include <linux/gpio.h>
20 #include <linux/sysdev.h>
21 #include <linux/serial_core.h>
22 #include <linux/platform_device.h>
23 #include <linux/dm9000.h>
24 #include <linux/ata_platform.h>
25 #include <linux/i2c.h>
26 #include <linux/io.h>
28 #include <net/ax88796.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
34 #include <mach/bast-map.h>
35 #include <mach/bast-irq.h>
36 #include <mach/bast-cpld.h>
38 #include <mach/hardware.h>
39 #include <asm/irq.h>
40 #include <asm/mach-types.h>
42 //#include <asm/debug-ll.h>
43 #include <plat/regs-serial.h>
44 #include <mach/regs-gpio.h>
45 #include <mach/regs-mem.h>
46 #include <mach/regs-lcd.h>
48 #include <plat/hwmon.h>
49 #include <plat/nand.h>
50 #include <plat/iic.h>
51 #include <mach/fb.h>
53 #include <linux/mtd/mtd.h>
54 #include <linux/mtd/nand.h>
55 #include <linux/mtd/nand_ecc.h>
56 #include <linux/mtd/partitions.h>
58 #include <linux/serial_8250.h>
60 #include <plat/clock.h>
61 #include <plat/devs.h>
62 #include <plat/cpu.h>
63 #include <plat/cpu-freq.h>
64 #include <plat/gpio-cfg.h>
65 #include <plat/audio-simtec.h>
67 #include "usb-simtec.h"
68 #include "nor-simtec.h"
70 #define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics"
72 /* macros for virtual address mods for the io space entries */
73 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
74 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
75 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
76 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
78 /* macros to modify the physical addresses for io space */
80 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
81 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
82 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
83 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
85 static struct map_desc bast_iodesc[] __initdata = {
86 /* ISA IO areas */
88 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
89 .pfn = PA_CS2(BAST_PA_ISAIO),
90 .length = SZ_16M,
91 .type = MT_DEVICE,
92 }, {
93 .virtual = (u32)S3C24XX_VA_ISA_WORD,
94 .pfn = PA_CS3(BAST_PA_ISAIO),
95 .length = SZ_16M,
96 .type = MT_DEVICE,
98 /* bast CPLD control registers, and external interrupt controls */
100 .virtual = (u32)BAST_VA_CTRL1,
101 .pfn = __phys_to_pfn(BAST_PA_CTRL1),
102 .length = SZ_1M,
103 .type = MT_DEVICE,
104 }, {
105 .virtual = (u32)BAST_VA_CTRL2,
106 .pfn = __phys_to_pfn(BAST_PA_CTRL2),
107 .length = SZ_1M,
108 .type = MT_DEVICE,
109 }, {
110 .virtual = (u32)BAST_VA_CTRL3,
111 .pfn = __phys_to_pfn(BAST_PA_CTRL3),
112 .length = SZ_1M,
113 .type = MT_DEVICE,
114 }, {
115 .virtual = (u32)BAST_VA_CTRL4,
116 .pfn = __phys_to_pfn(BAST_PA_CTRL4),
117 .length = SZ_1M,
118 .type = MT_DEVICE,
120 /* PC104 IRQ mux */
122 .virtual = (u32)BAST_VA_PC104_IRQREQ,
123 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ),
124 .length = SZ_1M,
125 .type = MT_DEVICE,
126 }, {
127 .virtual = (u32)BAST_VA_PC104_IRQRAW,
128 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW),
129 .length = SZ_1M,
130 .type = MT_DEVICE,
131 }, {
132 .virtual = (u32)BAST_VA_PC104_IRQMASK,
133 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK),
134 .length = SZ_1M,
135 .type = MT_DEVICE,
138 /* peripheral space... one for each of fast/slow/byte/16bit */
139 /* note, ide is only decoded in word space, even though some registers
140 * are only 8bit */
142 /* slow, byte */
143 { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
144 { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
145 { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
147 /* slow, word */
148 { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
149 { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
150 { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
152 /* fast, byte */
153 { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
154 { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
155 { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
157 /* fast, word */
158 { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
159 { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
160 { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
163 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
164 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
165 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
167 static struct s3c24xx_uart_clksrc bast_serial_clocks[] = {
168 [0] = {
169 .name = "uclk",
170 .divisor = 1,
171 .min_baud = 0,
172 .max_baud = 0,
174 [1] = {
175 .name = "pclk",
176 .divisor = 1,
177 .min_baud = 0,
178 .max_baud = 0,
183 static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
184 [0] = {
185 .hwport = 0,
186 .flags = 0,
187 .ucon = UCON,
188 .ulcon = ULCON,
189 .ufcon = UFCON,
190 .clocks = bast_serial_clocks,
191 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
193 [1] = {
194 .hwport = 1,
195 .flags = 0,
196 .ucon = UCON,
197 .ulcon = ULCON,
198 .ufcon = UFCON,
199 .clocks = bast_serial_clocks,
200 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
202 /* port 2 is not actually used */
203 [2] = {
204 .hwport = 2,
205 .flags = 0,
206 .ucon = UCON,
207 .ulcon = ULCON,
208 .ufcon = UFCON,
209 .clocks = bast_serial_clocks,
210 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
214 /* NAND Flash on BAST board */
216 #ifdef CONFIG_PM
217 static int bast_pm_suspend(struct sys_device *sd, pm_message_t state)
219 /* ensure that an nRESET is not generated on resume. */
220 gpio_direction_output(S3C2410_GPA(21), 1);
221 return 0;
224 static int bast_pm_resume(struct sys_device *sd)
226 s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
227 return 0;
230 #else
231 #define bast_pm_suspend NULL
232 #define bast_pm_resume NULL
233 #endif
235 static struct sysdev_class bast_pm_sysclass = {
236 .name = "mach-bast",
237 .suspend = bast_pm_suspend,
238 .resume = bast_pm_resume,
241 static struct sys_device bast_pm_sysdev = {
242 .cls = &bast_pm_sysclass,
245 static int smartmedia_map[] = { 0 };
246 static int chip0_map[] = { 1 };
247 static int chip1_map[] = { 2 };
248 static int chip2_map[] = { 3 };
250 static struct mtd_partition __initdata bast_default_nand_part[] = {
251 [0] = {
252 .name = "Boot Agent",
253 .size = SZ_16K,
254 .offset = 0,
256 [1] = {
257 .name = "/boot",
258 .size = SZ_4M - SZ_16K,
259 .offset = SZ_16K,
261 [2] = {
262 .name = "user",
263 .offset = SZ_4M,
264 .size = MTDPART_SIZ_FULL,
268 /* the bast has 4 selectable slots for nand-flash, the three
269 * on-board chip areas, as well as the external SmartMedia
270 * slot.
272 * Note, there is no current hot-plug support for the SmartMedia
273 * socket.
276 static struct s3c2410_nand_set __initdata bast_nand_sets[] = {
277 [0] = {
278 .name = "SmartMedia",
279 .nr_chips = 1,
280 .nr_map = smartmedia_map,
281 .options = NAND_SCAN_SILENT_NODEV,
282 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
283 .partitions = bast_default_nand_part,
285 [1] = {
286 .name = "chip0",
287 .nr_chips = 1,
288 .nr_map = chip0_map,
289 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
290 .partitions = bast_default_nand_part,
292 [2] = {
293 .name = "chip1",
294 .nr_chips = 1,
295 .nr_map = chip1_map,
296 .options = NAND_SCAN_SILENT_NODEV,
297 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
298 .partitions = bast_default_nand_part,
300 [3] = {
301 .name = "chip2",
302 .nr_chips = 1,
303 .nr_map = chip2_map,
304 .options = NAND_SCAN_SILENT_NODEV,
305 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
306 .partitions = bast_default_nand_part,
310 static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
312 unsigned int tmp;
314 slot = set->nr_map[slot] & 3;
316 pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
317 slot, set, set->nr_map);
319 tmp = __raw_readb(BAST_VA_CTRL2);
320 tmp &= BAST_CPLD_CTLR2_IDERST;
321 tmp |= slot;
322 tmp |= BAST_CPLD_CTRL2_WNAND;
324 pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
326 __raw_writeb(tmp, BAST_VA_CTRL2);
329 static struct s3c2410_platform_nand __initdata bast_nand_info = {
330 .tacls = 30,
331 .twrph0 = 60,
332 .twrph1 = 60,
333 .nr_sets = ARRAY_SIZE(bast_nand_sets),
334 .sets = bast_nand_sets,
335 .select_chip = bast_nand_select,
338 /* DM9000 */
340 static struct resource bast_dm9k_resource[] = {
341 [0] = {
342 .start = S3C2410_CS5 + BAST_PA_DM9000,
343 .end = S3C2410_CS5 + BAST_PA_DM9000 + 3,
344 .flags = IORESOURCE_MEM,
346 [1] = {
347 .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40,
348 .end = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f,
349 .flags = IORESOURCE_MEM,
351 [2] = {
352 .start = IRQ_DM9000,
353 .end = IRQ_DM9000,
354 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
359 /* for the moment we limit ourselves to 16bit IO until some
360 * better IO routines can be written and tested
363 static struct dm9000_plat_data bast_dm9k_platdata = {
364 .flags = DM9000_PLATF_16BITONLY,
367 static struct platform_device bast_device_dm9k = {
368 .name = "dm9000",
369 .id = 0,
370 .num_resources = ARRAY_SIZE(bast_dm9k_resource),
371 .resource = bast_dm9k_resource,
372 .dev = {
373 .platform_data = &bast_dm9k_platdata,
377 /* serial devices */
379 #define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
380 #define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
381 #define SERIAL_CLK (1843200)
383 static struct plat_serial8250_port bast_sio_data[] = {
384 [0] = {
385 .mapbase = SERIAL_BASE + 0x2f8,
386 .irq = IRQ_PCSERIAL1,
387 .flags = SERIAL_FLAGS,
388 .iotype = UPIO_MEM,
389 .regshift = 0,
390 .uartclk = SERIAL_CLK,
392 [1] = {
393 .mapbase = SERIAL_BASE + 0x3f8,
394 .irq = IRQ_PCSERIAL2,
395 .flags = SERIAL_FLAGS,
396 .iotype = UPIO_MEM,
397 .regshift = 0,
398 .uartclk = SERIAL_CLK,
403 static struct platform_device bast_sio = {
404 .name = "serial8250",
405 .id = PLAT8250_DEV_PLATFORM,
406 .dev = {
407 .platform_data = &bast_sio_data,
411 /* we have devices on the bus which cannot work much over the
412 * standard 100KHz i2c bus frequency
415 static struct s3c2410_platform_i2c __initdata bast_i2c_info = {
416 .flags = 0,
417 .slave_addr = 0x10,
418 .frequency = 100*1000,
421 /* Asix AX88796 10/100 ethernet controller */
423 static struct ax_plat_data bast_asix_platdata = {
424 .flags = AXFLG_MAC_FROMDEV,
425 .wordlength = 2,
426 .dcr_val = 0x48,
427 .rcr_val = 0x40,
430 static struct resource bast_asix_resource[] = {
431 [0] = {
432 .start = S3C2410_CS5 + BAST_PA_ASIXNET,
433 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20) - 1,
434 .flags = IORESOURCE_MEM,
436 [1] = {
437 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
438 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
439 .flags = IORESOURCE_MEM,
441 [2] = {
442 .start = IRQ_ASIX,
443 .end = IRQ_ASIX,
444 .flags = IORESOURCE_IRQ
448 static struct platform_device bast_device_asix = {
449 .name = "ax88796",
450 .id = 0,
451 .num_resources = ARRAY_SIZE(bast_asix_resource),
452 .resource = bast_asix_resource,
453 .dev = {
454 .platform_data = &bast_asix_platdata
458 /* Asix AX88796 10/100 ethernet controller parallel port */
460 static struct resource bast_asixpp_resource[] = {
461 [0] = {
462 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20),
463 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1b * 0x20) - 1,
464 .flags = IORESOURCE_MEM,
468 static struct platform_device bast_device_axpp = {
469 .name = "ax88796-pp",
470 .id = 0,
471 .num_resources = ARRAY_SIZE(bast_asixpp_resource),
472 .resource = bast_asixpp_resource,
475 /* LCD/VGA controller */
477 static struct s3c2410fb_display __initdata bast_lcd_info[] = {
479 .type = S3C2410_LCDCON1_TFT,
480 .width = 640,
481 .height = 480,
483 .pixclock = 33333,
484 .xres = 640,
485 .yres = 480,
486 .bpp = 4,
487 .left_margin = 40,
488 .right_margin = 20,
489 .hsync_len = 88,
490 .upper_margin = 30,
491 .lower_margin = 32,
492 .vsync_len = 3,
494 .lcdcon5 = 0x00014b02,
497 .type = S3C2410_LCDCON1_TFT,
498 .width = 640,
499 .height = 480,
501 .pixclock = 33333,
502 .xres = 640,
503 .yres = 480,
504 .bpp = 8,
505 .left_margin = 40,
506 .right_margin = 20,
507 .hsync_len = 88,
508 .upper_margin = 30,
509 .lower_margin = 32,
510 .vsync_len = 3,
512 .lcdcon5 = 0x00014b02,
515 .type = S3C2410_LCDCON1_TFT,
516 .width = 640,
517 .height = 480,
519 .pixclock = 33333,
520 .xres = 640,
521 .yres = 480,
522 .bpp = 16,
523 .left_margin = 40,
524 .right_margin = 20,
525 .hsync_len = 88,
526 .upper_margin = 30,
527 .lower_margin = 32,
528 .vsync_len = 3,
530 .lcdcon5 = 0x00014b02,
534 /* LCD/VGA controller */
536 static struct s3c2410fb_mach_info __initdata bast_fb_info = {
538 .displays = bast_lcd_info,
539 .num_displays = ARRAY_SIZE(bast_lcd_info),
540 .default_display = 1,
543 /* I2C devices fitted. */
545 static struct i2c_board_info bast_i2c_devs[] __initdata = {
547 I2C_BOARD_INFO("tlv320aic23", 0x1a),
548 }, {
549 I2C_BOARD_INFO("simtec-pmu", 0x6b),
550 }, {
551 I2C_BOARD_INFO("ch7013", 0x75),
555 static struct s3c_hwmon_pdata bast_hwmon_info = {
556 /* LCD contrast (0-6.6V) */
557 .in[0] = &(struct s3c_hwmon_chcfg) {
558 .name = "lcd-contrast",
559 .mult = 3300,
560 .div = 512,
562 /* LED current feedback */
563 .in[1] = &(struct s3c_hwmon_chcfg) {
564 .name = "led-feedback",
565 .mult = 3300,
566 .div = 1024,
568 /* LCD feedback (0-6.6V) */
569 .in[2] = &(struct s3c_hwmon_chcfg) {
570 .name = "lcd-feedback",
571 .mult = 3300,
572 .div = 512,
574 /* Vcore (1.8-2.0V), Vref 3.3V */
575 .in[3] = &(struct s3c_hwmon_chcfg) {
576 .name = "vcore",
577 .mult = 3300,
578 .div = 1024,
582 /* Standard BAST devices */
583 // cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0
585 static struct platform_device *bast_devices[] __initdata = {
586 &s3c_device_ohci,
587 &s3c_device_lcd,
588 &s3c_device_wdt,
589 &s3c_device_i2c0,
590 &s3c_device_rtc,
591 &s3c_device_nand,
592 &s3c_device_adc,
593 &s3c_device_hwmon,
594 &bast_device_dm9k,
595 &bast_device_asix,
596 &bast_device_axpp,
597 &bast_sio,
600 static struct clk *bast_clocks[] __initdata = {
601 &s3c24xx_dclk0,
602 &s3c24xx_dclk1,
603 &s3c24xx_clkout0,
604 &s3c24xx_clkout1,
605 &s3c24xx_uclk,
608 static struct s3c_cpufreq_board __initdata bast_cpufreq = {
609 .refresh = 7800, /* 7.8usec */
610 .auto_io = 1,
611 .need_io = 1,
614 static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = {
615 .have_mic = 1,
616 .have_lout = 1,
619 static void __init bast_map_io(void)
621 /* initialise the clocks */
623 s3c24xx_dclk0.parent = &clk_upll;
624 s3c24xx_dclk0.rate = 12*1000*1000;
626 s3c24xx_dclk1.parent = &clk_upll;
627 s3c24xx_dclk1.rate = 24*1000*1000;
629 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
630 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
632 s3c24xx_uclk.parent = &s3c24xx_clkout1;
634 s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));
636 s3c_hwmon_set_platdata(&bast_hwmon_info);
638 s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
639 s3c24xx_init_clocks(0);
640 s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
643 static void __init bast_init(void)
645 sysdev_class_register(&bast_pm_sysclass);
646 sysdev_register(&bast_pm_sysdev);
648 s3c_i2c0_set_platdata(&bast_i2c_info);
649 s3c_nand_set_platdata(&bast_nand_info);
650 s3c24xx_fb_set_platdata(&bast_fb_info);
651 platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
653 i2c_register_board_info(0, bast_i2c_devs,
654 ARRAY_SIZE(bast_i2c_devs));
656 usb_simtec_init();
657 nor_simtec_init();
658 simtec_audio_add(NULL, true, &bast_audio);
660 WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset"));
662 s3c_cpufreq_setboard(&bast_cpufreq);
665 MACHINE_START(BAST, "Simtec-BAST")
666 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
667 .boot_params = S3C2410_SDRAM_PA + 0x100,
668 .map_io = bast_map_io,
669 .init_irq = s3c24xx_init_irq,
670 .init_machine = bast_init,
671 .timer = &s3c24xx_timer,
672 MACHINE_END