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/serial_core.h>
20 #include <linux/platform_device.h>
21 #include <linux/dm9000.h>
23 #include <net/ax88796.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/irq.h>
29 #include <asm/arch/bast-map.h>
30 #include <asm/arch/bast-irq.h>
31 #include <asm/arch/bast-cpld.h>
33 #include <asm/hardware.h>
36 #include <asm/mach-types.h>
38 //#include <asm/debug-ll.h>
39 #include <asm/plat-s3c/regs-serial.h>
40 #include <asm/arch/regs-gpio.h>
41 #include <asm/arch/regs-mem.h>
42 #include <asm/arch/regs-lcd.h>
44 #include <asm/plat-s3c/nand.h>
45 #include <asm/plat-s3c/iic.h>
46 #include <asm/arch/fb.h>
48 #include <linux/mtd/mtd.h>
49 #include <linux/mtd/nand.h>
50 #include <linux/mtd/nand_ecc.h>
51 #include <linux/mtd/partitions.h>
53 #include <linux/serial_8250.h>
55 #include <asm/plat-s3c24xx/clock.h>
56 #include <asm/plat-s3c24xx/devs.h>
57 #include <asm/plat-s3c24xx/cpu.h>
58 #include "usb-simtec.h"
60 #define COPYRIGHT ", (c) 2004-2005 Simtec Electronics"
62 /* macros for virtual address mods for the io space entries */
63 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
64 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
65 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
66 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
68 /* macros to modify the physical addresses for io space */
70 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
71 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
72 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
73 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
75 static struct map_desc bast_iodesc[] __initdata = {
78 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
79 .pfn = PA_CS2(BAST_PA_ISAIO),
83 .virtual = (u32)S3C24XX_VA_ISA_WORD,
84 .pfn = PA_CS3(BAST_PA_ISAIO),
88 /* bast CPLD control registers, and external interrupt controls */
90 .virtual = (u32)BAST_VA_CTRL1,
91 .pfn = __phys_to_pfn(BAST_PA_CTRL1),
95 .virtual = (u32)BAST_VA_CTRL2,
96 .pfn = __phys_to_pfn(BAST_PA_CTRL2),
100 .virtual = (u32)BAST_VA_CTRL3,
101 .pfn = __phys_to_pfn(BAST_PA_CTRL3),
105 .virtual = (u32)BAST_VA_CTRL4,
106 .pfn = __phys_to_pfn(BAST_PA_CTRL4),
112 .virtual = (u32)BAST_VA_PC104_IRQREQ,
113 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ),
117 .virtual = (u32)BAST_VA_PC104_IRQRAW,
118 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW),
122 .virtual = (u32)BAST_VA_PC104_IRQMASK,
123 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK),
128 /* peripheral space... one for each of fast/slow/byte/16bit */
129 /* note, ide is only decoded in word space, even though some registers
133 { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
134 { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
135 { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
136 { VA_C2(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
137 { VA_C2(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
138 { VA_C2(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
139 { VA_C2(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
142 { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
143 { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
144 { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
145 { VA_C3(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
146 { VA_C3(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
147 { VA_C3(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
148 { VA_C3(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
151 { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
152 { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
153 { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
154 { VA_C4(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
155 { VA_C4(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
156 { VA_C4(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
157 { VA_C4(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
160 { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
161 { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
162 { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
163 { VA_C5(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
164 { VA_C5(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
165 { VA_C5(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
166 { VA_C5(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
169 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
170 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
171 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
173 static struct s3c24xx_uart_clksrc bast_serial_clocks[] = {
189 static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
196 .clocks = bast_serial_clocks,
197 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
205 .clocks = bast_serial_clocks,
206 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
208 /* port 2 is not actually used */
215 .clocks = bast_serial_clocks,
216 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
220 /* NOR Flash on BAST board */
222 static struct resource bast_nor_resource[] = {
224 .start = S3C2410_CS1 + 0x4000000,
225 .end = S3C2410_CS1 + 0x4000000 + (32*1024*1024) - 1,
226 .flags = IORESOURCE_MEM,
230 static struct platform_device bast_device_nor = {
233 .num_resources = ARRAY_SIZE(bast_nor_resource),
234 .resource = bast_nor_resource,
237 /* NAND Flash on BAST board */
240 static int smartmedia_map[] = { 0 };
241 static int chip0_map[] = { 1 };
242 static int chip1_map[] = { 2 };
243 static int chip2_map[] = { 3 };
245 static struct mtd_partition bast_default_nand_part[] = {
247 .name = "Boot Agent",
253 .size = SZ_4M - SZ_16K,
259 .size = MTDPART_SIZ_FULL,
263 /* the bast has 4 selectable slots for nand-flash, the three
264 * on-board chip areas, as well as the external SmartMedia
267 * Note, there is no current hot-plug support for the SmartMedia
271 static struct s3c2410_nand_set bast_nand_sets[] = {
273 .name = "SmartMedia",
275 .nr_map = smartmedia_map,
276 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
277 .partitions = bast_default_nand_part,
283 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
284 .partitions = bast_default_nand_part,
290 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
291 .partitions = bast_default_nand_part,
297 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
298 .partitions = bast_default_nand_part,
302 static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
306 slot = set->nr_map[slot] & 3;
308 pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
309 slot, set, set->nr_map);
311 tmp = __raw_readb(BAST_VA_CTRL2);
312 tmp &= BAST_CPLD_CTLR2_IDERST;
314 tmp |= BAST_CPLD_CTRL2_WNAND;
316 pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
318 __raw_writeb(tmp, BAST_VA_CTRL2);
321 static struct s3c2410_platform_nand bast_nand_info = {
325 .nr_sets = ARRAY_SIZE(bast_nand_sets),
326 .sets = bast_nand_sets,
327 .select_chip = bast_nand_select,
332 static struct resource bast_dm9k_resource[] = {
334 .start = S3C2410_CS5 + BAST_PA_DM9000,
335 .end = S3C2410_CS5 + BAST_PA_DM9000 + 3,
336 .flags = IORESOURCE_MEM,
339 .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40,
340 .end = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f,
341 .flags = IORESOURCE_MEM,
346 .flags = IORESOURCE_IRQ,
351 /* for the moment we limit ourselves to 16bit IO until some
352 * better IO routines can be written and tested
355 static struct dm9000_plat_data bast_dm9k_platdata = {
356 .flags = DM9000_PLATF_16BITONLY,
359 static struct platform_device bast_device_dm9k = {
362 .num_resources = ARRAY_SIZE(bast_dm9k_resource),
363 .resource = bast_dm9k_resource,
365 .platform_data = &bast_dm9k_platdata,
371 #define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
372 #define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
373 #define SERIAL_CLK (1843200)
375 static struct plat_serial8250_port bast_sio_data[] = {
377 .mapbase = SERIAL_BASE + 0x2f8,
378 .irq = IRQ_PCSERIAL1,
379 .flags = SERIAL_FLAGS,
382 .uartclk = SERIAL_CLK,
385 .mapbase = SERIAL_BASE + 0x3f8,
386 .irq = IRQ_PCSERIAL2,
387 .flags = SERIAL_FLAGS,
390 .uartclk = SERIAL_CLK,
395 static struct platform_device bast_sio = {
396 .name = "serial8250",
397 .id = PLAT8250_DEV_PLATFORM,
399 .platform_data = &bast_sio_data,
403 /* we have devices on the bus which cannot work much over the
404 * standard 100KHz i2c bus frequency
407 static struct s3c2410_platform_i2c bast_i2c_info = {
410 .bus_freq = 100*1000,
411 .max_freq = 130*1000,
414 /* Asix AX88796 10/100 ethernet controller */
416 static struct ax_plat_data bast_asix_platdata = {
417 .flags = AXFLG_MAC_FROMDEV,
423 static struct resource bast_asix_resource[] = {
425 .start = S3C2410_CS5 + BAST_PA_ASIXNET,
426 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20) - 1,
427 .flags = IORESOURCE_MEM,
430 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
431 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20),
432 .flags = IORESOURCE_MEM,
437 .flags = IORESOURCE_IRQ
441 static struct platform_device bast_device_asix = {
444 .num_resources = ARRAY_SIZE(bast_asix_resource),
445 .resource = bast_asix_resource,
447 .platform_data = &bast_asix_platdata
451 /* Asix AX88796 10/100 ethernet controller parallel port */
453 static struct resource bast_asixpp_resource[] = {
455 .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20),
456 .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1b * 0x20) - 1,
457 .flags = IORESOURCE_MEM,
461 static struct platform_device bast_device_axpp = {
462 .name = "ax88796-pp",
464 .num_resources = ARRAY_SIZE(bast_asixpp_resource),
465 .resource = bast_asixpp_resource,
468 /* LCD/VGA controller */
470 static struct s3c2410fb_display __initdata bast_lcd_info[] = {
472 .type = S3C2410_LCDCON1_TFT,
487 .lcdcon5 = 0x00014b02,
490 .type = S3C2410_LCDCON1_TFT,
505 .lcdcon5 = 0x00014b02,
508 .type = S3C2410_LCDCON1_TFT,
523 .lcdcon5 = 0x00014b02,
527 /* LCD/VGA controller */
529 static struct s3c2410fb_mach_info __initdata bast_fb_info = {
531 .displays = bast_lcd_info,
532 .num_displays = ARRAY_SIZE(bast_lcd_info),
533 .default_display = 4,
536 /* Standard BAST devices */
538 static struct platform_device *bast_devices[] __initdata = {
553 static struct clk *bast_clocks[] = {
561 static void __init bast_map_io(void)
563 /* initialise the clocks */
565 s3c24xx_dclk0.parent = NULL;
566 s3c24xx_dclk0.rate = 12*1000*1000;
568 s3c24xx_dclk1.parent = NULL;
569 s3c24xx_dclk1.rate = 24*1000*1000;
571 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
572 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
574 s3c24xx_uclk.parent = &s3c24xx_clkout1;
576 s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));
578 s3c_device_nand.dev.platform_data = &bast_nand_info;
579 s3c_device_i2c.dev.platform_data = &bast_i2c_info;
581 s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
582 s3c24xx_init_clocks(0);
583 s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
588 static void __init bast_init(void)
590 s3c24xx_fb_set_platdata(&bast_fb_info);
591 platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
594 MACHINE_START(BAST, "Simtec-BAST")
595 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
596 .phys_io = S3C2410_PA_UART,
597 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
598 .boot_params = S3C2410_SDRAM_PA + 0x100,
599 .map_io = bast_map_io,
600 .init_irq = s3c24xx_init_irq,
601 .init_machine = bast_init,
602 .timer = &s3c24xx_timer,