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 * 14-Sep-2004 BJD USB power control
14 * 20-Aug-2004 BJD Added s3c2410_board struct
15 * 18-Aug-2004 BJD Added platform devices from default set
16 * 16-May-2003 BJD Created initial version
17 * 16-Aug-2003 BJD Fixed header files and copyright, added URL
18 * 05-Sep-2003 BJD Moved to v2.6 kernel
19 * 06-Jan-2003 BJD Updates for <arch/map.h>
20 * 18-Jan-2003 BJD Added serial port configuration
21 * 05-Oct-2004 BJD Power management code
22 * 04-Nov-2004 BJD Updated serial port clocks
23 * 04-Jan-2005 BJD New uart init call
24 * 10-Jan-2005 BJD Removed include of s3c2410.h
25 * 14-Jan-2005 BJD Add support for muitlple NAND devices
26 * 03-Mar-2005 BJD Ensured that bast-cpld.h is included
27 * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
28 * 14-Mar-2005 BJD Updated for __iomem changes
29 * 22-Jun-2005 BJD Added DM9000 platform information
30 * 28-Jun-2005 BJD Moved pm functionality out to common code
31 * 17-Jul-2005 BJD Changed to platform device for SuperIO 16550s
32 * 25-Jul-2005 BJD Removed ASIX static mappings
33 * 27-Jul-2005 BJD Ensure maximum frequency of i2c bus
34 * 20-Sep-2005 BJD Added static to non-exported items
35 * 26-Oct-2005 BJD Added FB platform data
38 #include <linux/kernel.h>
39 #include <linux/types.h>
40 #include <linux/interrupt.h>
41 #include <linux/list.h>
42 #include <linux/timer.h>
43 #include <linux/init.h>
44 #include <linux/platform_device.h>
45 #include <linux/dm9000.h>
47 #include <asm/mach/arch.h>
48 #include <asm/mach/map.h>
49 #include <asm/mach/irq.h>
51 #include <asm/arch/bast-map.h>
52 #include <asm/arch/bast-irq.h>
53 #include <asm/arch/bast-cpld.h>
55 #include <asm/hardware.h>
58 #include <asm/mach-types.h>
60 //#include <asm/debug-ll.h>
61 #include <asm/arch/regs-serial.h>
62 #include <asm/arch/regs-gpio.h>
63 #include <asm/arch/regs-mem.h>
64 #include <asm/arch/regs-lcd.h>
66 #include <asm/arch/nand.h>
67 #include <asm/arch/iic.h>
68 #include <asm/arch/fb.h>
70 #include <linux/mtd/mtd.h>
71 #include <linux/mtd/nand.h>
72 #include <linux/mtd/nand_ecc.h>
73 #include <linux/mtd/partitions.h>
75 #include <linux/serial_8250.h>
80 #include "usb-simtec.h"
82 #define COPYRIGHT ", (c) 2004-2005 Simtec Electronics"
84 /* macros for virtual address mods for the io space entries */
85 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
86 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
87 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
88 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
90 /* macros to modify the physical addresses for io space */
92 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
93 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
94 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
95 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
97 static struct map_desc bast_iodesc[] __initdata = {
100 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
101 .pfn = PA_CS2(BAST_PA_ISAIO),
105 .virtual = (u32)S3C24XX_VA_ISA_WORD,
106 .pfn = PA_CS3(BAST_PA_ISAIO),
110 /* bast CPLD control registers, and external interrupt controls */
112 .virtual = (u32)BAST_VA_CTRL1,
113 .pfn = __phys_to_pfn(BAST_PA_CTRL1),
117 .virtual = (u32)BAST_VA_CTRL2,
118 .pfn = __phys_to_pfn(BAST_PA_CTRL2),
122 .virtual = (u32)BAST_VA_CTRL3,
123 .pfn = __phys_to_pfn(BAST_PA_CTRL3),
127 .virtual = (u32)BAST_VA_CTRL4,
128 .pfn = __phys_to_pfn(BAST_PA_CTRL4),
134 .virtual = (u32)BAST_VA_PC104_IRQREQ,
135 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ),
139 .virtual = (u32)BAST_VA_PC104_IRQRAW,
140 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW),
144 .virtual = (u32)BAST_VA_PC104_IRQMASK,
145 .pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK),
150 /* peripheral space... one for each of fast/slow/byte/16bit */
151 /* note, ide is only decoded in word space, even though some registers
155 { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
156 { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
157 { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
158 { VA_C2(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
159 { VA_C2(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
160 { VA_C2(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
161 { VA_C2(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
164 { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
165 { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
166 { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
167 { VA_C3(BAST_VA_IDEPRI), PA_CS3(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
168 { VA_C3(BAST_VA_IDESEC), PA_CS3(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
169 { VA_C3(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
170 { VA_C3(BAST_VA_IDESECAUX), PA_CS3(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
173 { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
174 { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
175 { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
176 { VA_C4(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
177 { VA_C4(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
178 { VA_C4(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
179 { VA_C4(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
182 { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE },
183 { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE },
184 { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE },
185 { VA_C5(BAST_VA_IDEPRI), PA_CS5(BAST_PA_IDEPRI), SZ_1M, MT_DEVICE },
186 { VA_C5(BAST_VA_IDESEC), PA_CS5(BAST_PA_IDESEC), SZ_1M, MT_DEVICE },
187 { VA_C5(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
188 { VA_C5(BAST_VA_IDESECAUX), PA_CS5(BAST_PA_IDESECAUX), SZ_1M, MT_DEVICE },
191 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
192 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
193 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
195 static struct s3c24xx_uart_clksrc bast_serial_clocks[] = {
211 static struct s3c2410_uartcfg bast_uartcfgs[] = {
218 .clocks = bast_serial_clocks,
219 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
227 .clocks = bast_serial_clocks,
228 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
230 /* port 2 is not actually used */
237 .clocks = bast_serial_clocks,
238 .clocks_size = ARRAY_SIZE(bast_serial_clocks),
242 /* NOR Flash on BAST board */
244 static struct resource bast_nor_resource[] = {
246 .start = S3C2410_CS1 + 0x4000000,
247 .end = S3C2410_CS1 + 0x4000000 + (32*1024*1024) - 1,
248 .flags = IORESOURCE_MEM,
252 static struct platform_device bast_device_nor = {
255 .num_resources = ARRAY_SIZE(bast_nor_resource),
256 .resource = bast_nor_resource,
259 /* NAND Flash on BAST board */
262 static int smartmedia_map[] = { 0 };
263 static int chip0_map[] = { 1 };
264 static int chip1_map[] = { 2 };
265 static int chip2_map[] = { 3 };
267 static struct mtd_partition bast_default_nand_part[] = {
269 .name = "Boot Agent",
275 .size = SZ_4M - SZ_16K,
281 .size = MTDPART_SIZ_FULL,
285 /* the bast has 4 selectable slots for nand-flash, the three
286 * on-board chip areas, as well as the external SmartMedia
289 * Note, there is no current hot-plug support for the SmartMedia
293 static struct s3c2410_nand_set bast_nand_sets[] = {
295 .name = "SmartMedia",
297 .nr_map = smartmedia_map,
298 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
299 .partitions = bast_default_nand_part,
305 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
306 .partitions = bast_default_nand_part,
312 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
313 .partitions = bast_default_nand_part,
319 .nr_partitions = ARRAY_SIZE(bast_default_nand_part),
320 .partitions = bast_default_nand_part,
324 static void bast_nand_select(struct s3c2410_nand_set *set, int slot)
328 slot = set->nr_map[slot] & 3;
330 pr_debug("bast_nand: selecting slot %d (set %p,%p)\n",
331 slot, set, set->nr_map);
333 tmp = __raw_readb(BAST_VA_CTRL2);
334 tmp &= BAST_CPLD_CTLR2_IDERST;
336 tmp |= BAST_CPLD_CTRL2_WNAND;
338 pr_debug("bast_nand: ctrl2 now %02x\n", tmp);
340 __raw_writeb(tmp, BAST_VA_CTRL2);
343 static struct s3c2410_platform_nand bast_nand_info = {
347 .nr_sets = ARRAY_SIZE(bast_nand_sets),
348 .sets = bast_nand_sets,
349 .select_chip = bast_nand_select,
354 static struct resource bast_dm9k_resource[] = {
356 .start = S3C2410_CS5 + BAST_PA_DM9000,
357 .end = S3C2410_CS5 + BAST_PA_DM9000 + 3,
358 .flags = IORESOURCE_MEM,
361 .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40,
362 .end = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f,
363 .flags = IORESOURCE_MEM,
368 .flags = IORESOURCE_IRQ,
373 /* for the moment we limit ourselves to 16bit IO until some
374 * better IO routines can be written and tested
377 static struct dm9000_plat_data bast_dm9k_platdata = {
378 .flags = DM9000_PLATF_16BITONLY,
381 static struct platform_device bast_device_dm9k = {
384 .num_resources = ARRAY_SIZE(bast_dm9k_resource),
385 .resource = bast_dm9k_resource,
387 .platform_data = &bast_dm9k_platdata,
393 #define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
394 #define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ)
395 #define SERIAL_CLK (1843200)
397 static struct plat_serial8250_port bast_sio_data[] = {
399 .mapbase = SERIAL_BASE + 0x2f8,
400 .irq = IRQ_PCSERIAL1,
401 .flags = SERIAL_FLAGS,
404 .uartclk = SERIAL_CLK,
407 .mapbase = SERIAL_BASE + 0x3f8,
408 .irq = IRQ_PCSERIAL2,
409 .flags = SERIAL_FLAGS,
412 .uartclk = SERIAL_CLK,
417 static struct platform_device bast_sio = {
418 .name = "serial8250",
419 .id = PLAT8250_DEV_PLATFORM,
421 .platform_data = &bast_sio_data,
425 /* we have devices on the bus which cannot work much over the
426 * standard 100KHz i2c bus frequency
429 static struct s3c2410_platform_i2c bast_i2c_info = {
432 .bus_freq = 100*1000,
433 .max_freq = 130*1000,
437 static struct s3c2410fb_mach_info __initdata bast_lcd_info = {
460 .lcdcon1 = 0x00000176,
461 .lcdcon2 = 0x1d77c7c2,
462 .lcdcon3 = 0x013a7f13,
463 .lcdcon4 = 0x00000057,
464 .lcdcon5 = 0x00014b02,
468 /* Standard BAST devices */
470 static struct platform_device *bast_devices[] __initdata = {
483 static struct clk *bast_clocks[] = {
491 static struct s3c24xx_board bast_board __initdata = {
492 .devices = bast_devices,
493 .devices_count = ARRAY_SIZE(bast_devices),
494 .clocks = bast_clocks,
495 .clocks_count = ARRAY_SIZE(bast_clocks),
498 static void __init bast_map_io(void)
500 /* initialise the clocks */
502 s3c24xx_dclk0.parent = NULL;
503 s3c24xx_dclk0.rate = 12*1000*1000;
505 s3c24xx_dclk1.parent = NULL;
506 s3c24xx_dclk1.rate = 24*1000*1000;
508 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
509 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
511 s3c24xx_uclk.parent = &s3c24xx_clkout1;
513 s3c_device_nand.dev.platform_data = &bast_nand_info;
514 s3c_device_i2c.dev.platform_data = &bast_i2c_info;
516 s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
517 s3c24xx_init_clocks(0);
518 s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
519 s3c24xx_set_board(&bast_board);
523 static void __init bast_init(void)
525 s3c24xx_fb_set_platdata(&bast_lcd_info);
528 MACHINE_START(BAST, "Simtec-BAST")
529 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
530 .phys_io = S3C2410_PA_UART,
531 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
532 .boot_params = S3C2410_SDRAM_PA + 0x100,
533 .map_io = bast_map_io,
534 .init_irq = s3c24xx_init_irq,
535 .init_machine = bast_init,
536 .timer = &s3c24xx_timer,