1 /* linux/arch/arm/mach-s3c2410/mach-bast.c
3 * Copyright (c) 2003-2005 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/sysdev.h>
20 #include <linux/serial_core.h>
21 #include <linux/platform_device.h>
22 #include <linux/dm9000.h>
24 #include <net/ax88796.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
30 #include <asm/arch/bast-map.h>
31 #include <asm/arch/bast-irq.h>
32 #include <asm/arch/bast-cpld.h>
34 #include <asm/hardware.h>
37 #include <asm/mach-types.h>
39 //#include <asm/debug-ll.h>
40 #include <asm/plat-s3c/regs-serial.h>
41 #include <asm/arch/regs-gpio.h>
42 #include <asm/arch/regs-mem.h>
43 #include <asm/arch/regs-lcd.h>
45 #include <asm/plat-s3c/nand.h>
46 #include <asm/plat-s3c/iic.h>
47 #include <asm/arch/fb.h>
49 #include <linux/mtd/mtd.h>
50 #include <linux/mtd/nand.h>
51 #include <linux/mtd/nand_ecc.h>
52 #include <linux/mtd/partitions.h>
54 #include <linux/serial_8250.h>
56 #include <asm/plat-s3c24xx/clock.h>
57 #include <asm/plat-s3c24xx/devs.h>
58 #include <asm/plat-s3c24xx/cpu.h>
59 #include "usb-simtec.h"
61 #define COPYRIGHT ", (c) 2004-2005 Simtec Electronics"
63 /* macros for virtual address mods for the io space entries */
64 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
65 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
66 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
67 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
69 /* macros to modify the physical addresses for io space */
71 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
72 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
73 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
74 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
76 static struct map_desc bast_iodesc[] __initdata = {
79 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
80 .pfn = PA_CS2(BAST_PA_ISAIO),
84 .virtual = (u32)S3C24XX_VA_ISA_WORD,
85 .pfn = PA_CS3(BAST_PA_ISAIO),
89 /* bast CPLD control registers, and external interrupt controls */
91 .virtual = (u32)BAST_VA_CTRL1,
92 .pfn = __phys_to_pfn(BAST_PA_CTRL1),
96 .virtual = (u32)BAST_VA_CTRL2,
97 .pfn = __phys_to_pfn(BAST_PA_CTRL2),
101 .virtual = (u32)BAST_VA_CTRL3,
102 .pfn = __phys_to_pfn(BAST_PA_CTRL3),
106 .virtual = (u32)BAST_VA_CTRL4,
107 .pfn = __phys_to_pfn(BAST_PA_CTRL4),
113 .virtual = (u32)BAST_VA_PC104_IRQREQ,
114 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ),
118 .virtual = (u32)BAST_VA_PC104_IRQRAW,
119 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW),
123 .virtual = (u32)BAST_VA_PC104_IRQMASK,
124 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK),
129 /* peripheral space... one for each of fast/slow/byte/16bit */
130 /* note, ide is only decoded in word space, even though some registers
134 { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
135 { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
136 { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
137 { VA_C2(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
138 { VA_C2(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
139 { VA_C2(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
140 { VA_C2(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
143 { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
144 { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
145 { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
146 { VA_C3(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
147 { VA_C3(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
148 { VA_C3(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
149 { VA_C3(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
152 { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
153 { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
154 { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
155 { VA_C4(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
156 { VA_C4(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
157 { VA_C4(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
158 { VA_C4(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
161 { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
162 { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
163 { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
164 { VA_C5(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
165 { VA_C5(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
166 { VA_C5(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
167 { VA_C5(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
170 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
171 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
172 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
174 static struct s3c24xx_uart_clksrc bast_serial_clocks[] = {
190 static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
197 .clocks = bast_serial_clocks,
198 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
206 .clocks = bast_serial_clocks,
207 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
209 /* port 2 is not actually used */
216 .clocks = bast_serial_clocks,
217 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
221 /* NOR Flash on BAST board */
223 static struct resource bast_nor_resource[] = {
225 .start = S3C2410_CS1 + 0x4000000,
226 .end = S3C2410_CS1 + 0x4000000 + (32*1024*1024) - 1,
227 .flags = IORESOURCE_MEM,
231 static struct platform_device bast_device_nor = {
234 .num_resources = ARRAY_SIZE(bast_nor_resource),
235 .resource = bast_nor_resource,
238 /* NAND Flash on BAST board */
241 static int bast_pm_suspend(struct sys_device *sd, pm_message_t state)
243 /* ensure that an nRESET is not generated on resume. */
244 s3c2410_gpio_setpin(S3C2410_GPA21, 1);
245 s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_OUT);
250 static int bast_pm_resume(struct sys_device *sd)
252 s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_nRSTOUT);
257 #define bast_pm_suspend NULL
258 #define bast_pm_resume NULL
261 static struct sysdev_class bast_pm_sysclass = {
263 .suspend = bast_pm_suspend,
264 .resume = bast_pm_resume,
267 static struct sys_device bast_pm_sysdev = {
268 .cls = &bast_pm_sysclass,
271 static int smartmedia_map[] = { 0 };
272 static int chip0_map[] = { 1 };
273 static int chip1_map[] = { 2 };
274 static int chip2_map[] = { 3 };
276 static struct mtd_partition bast_default_nand_part[] = {
278 .name = "Boot Agent",
284 .size = SZ_4M - SZ_16K,
290 .size = MTDPART_SIZ_FULL,
294 /* the bast has 4 selectable slots for nand-flash, the three
295 * on-board chip areas, as well as the external SmartMedia
298 * Note, there is no current hot-plug support for the SmartMedia
302 static struct s3c2410_nand_set bast_nand_sets[] = {
304 .name = "SmartMedia",
306 .nr_map = smartmedia_map,
307 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
308 .partitions = bast_default_nand_part,
314 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
315 .partitions = bast_default_nand_part,
321 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
322 .partitions = bast_default_nand_part,
328 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
329 .partitions = bast_default_nand_part,
333 static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
337 slot = set->nr_map[slot] & 3;
339 pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
340 slot, set, set->nr_map);
342 tmp = __raw_readb(BAST_VA_CTRL2);
343 tmp &= BAST_CPLD_CTLR2_IDERST;
345 tmp |= BAST_CPLD_CTRL2_WNAND;
347 pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
349 __raw_writeb(tmp, BAST_VA_CTRL2);
352 static struct s3c2410_platform_nand bast_nand_info = {
356 .nr_sets = ARRAY_SIZE(bast_nand_sets),
357 .sets = bast_nand_sets,
358 .select_chip = bast_nand_select,
363 static struct resource bast_dm9k_resource[] = {
365 .start = S3C2410_CS5 + BAST_PA_DM9000,
366 .end = S3C2410_CS5 + BAST_PA_DM9000 + 3,
367 .flags = IORESOURCE_MEM,
370 .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40,
371 .end = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f,
372 .flags = IORESOURCE_MEM,
377 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
382 /* for the moment we limit ourselves to 16bit IO until some
383 * better IO routines can be written and tested
386 static struct dm9000_plat_data bast_dm9k_platdata = {
387 .flags = DM9000_PLATF_16BITONLY,
390 static struct platform_device bast_device_dm9k = {
393 .num_resources = ARRAY_SIZE(bast_dm9k_resource),
394 .resource = bast_dm9k_resource,
396 .platform_data = &bast_dm9k_platdata,
402 #define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
403 #define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
404 #define SERIAL_CLK (1843200)
406 static struct plat_serial8250_port bast_sio_data[] = {
408 .mapbase = SERIAL_BASE + 0x2f8,
409 .irq = IRQ_PCSERIAL1,
410 .flags = SERIAL_FLAGS,
413 .uartclk = SERIAL_CLK,
416 .mapbase = SERIAL_BASE + 0x3f8,
417 .irq = IRQ_PCSERIAL2,
418 .flags = SERIAL_FLAGS,
421 .uartclk = SERIAL_CLK,
426 static struct platform_device bast_sio = {
427 .name = "serial8250",
428 .id = PLAT8250_DEV_PLATFORM,
430 .platform_data = &bast_sio_data,
434 /* we have devices on the bus which cannot work much over the
435 * standard 100KHz i2c bus frequency
438 static struct s3c2410_platform_i2c bast_i2c_info = {
441 .bus_freq = 100*1000,
442 .max_freq = 130*1000,
445 /* Asix AX88796 10/100 ethernet controller */
447 static struct ax_plat_data bast_asix_platdata = {
448 .flags = AXFLG_MAC_FROMDEV,
454 static struct resource bast_asix_resource[] = {
456 .start = S3C2410_CS5 + BAST_PA_ASIXNET,
457 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20) - 1,
458 .flags = IORESOURCE_MEM,
461 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
462 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
463 .flags = IORESOURCE_MEM,
468 .flags = IORESOURCE_IRQ
472 static struct platform_device bast_device_asix = {
475 .num_resources = ARRAY_SIZE(bast_asix_resource),
476 .resource = bast_asix_resource,
478 .platform_data = &bast_asix_platdata
482 /* Asix AX88796 10/100 ethernet controller parallel port */
484 static struct resource bast_asixpp_resource[] = {
486 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20),
487 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1b * 0x20) - 1,
488 .flags = IORESOURCE_MEM,
492 static struct platform_device bast_device_axpp = {
493 .name = "ax88796-pp",
495 .num_resources = ARRAY_SIZE(bast_asixpp_resource),
496 .resource = bast_asixpp_resource,
499 /* LCD/VGA controller */
501 static struct s3c2410fb_display __initdata bast_lcd_info[] = {
503 .type = S3C2410_LCDCON1_TFT,
518 .lcdcon5 = 0x00014b02,
521 .type = S3C2410_LCDCON1_TFT,
536 .lcdcon5 = 0x00014b02,
539 .type = S3C2410_LCDCON1_TFT,
554 .lcdcon5 = 0x00014b02,
558 /* LCD/VGA controller */
560 static struct s3c2410fb_mach_info __initdata bast_fb_info = {
562 .displays = bast_lcd_info,
563 .num_displays = ARRAY_SIZE(bast_lcd_info),
564 .default_display = 1,
567 /* Standard BAST devices */
569 static struct platform_device *bast_devices[] __initdata = {
583 static struct clk *bast_clocks[] = {
591 static void __init bast_map_io(void)
593 /* initialise the clocks */
595 s3c24xx_dclk0.parent = &clk_upll;
596 s3c24xx_dclk0.rate = 12*1000*1000;
598 s3c24xx_dclk1.parent = &clk_upll;
599 s3c24xx_dclk1.rate = 24*1000*1000;
601 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
602 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
604 s3c24xx_uclk.parent = &s3c24xx_clkout1;
606 s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));
608 s3c_device_nand.dev.platform_data = &bast_nand_info;
609 s3c_device_i2c.dev.platform_data = &bast_i2c_info;
611 s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
612 s3c24xx_init_clocks(0);
613 s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
618 static void __init bast_init(void)
620 sysdev_class_register(&bast_pm_sysclass);
621 sysdev_register(&bast_pm_sysdev);
623 s3c24xx_fb_set_platdata(&bast_fb_info);
624 platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
627 MACHINE_START(BAST, "Simtec-BAST")
628 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
629 .phys_io = S3C2410_PA_UART,
630 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
631 .boot_params = S3C2410_SDRAM_PA + 0x100,
632 .map_io = bast_map_io,
633 .init_irq = s3c24xx_init_irq,
634 .init_machine = bast_init,
635 .timer = &s3c24xx_timer,