1 /* linux/arch/arm/mach-s3c2410/mach-anubis.c
3 * Copyright (c) 2003-2005 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 * 02-May-2005 BJD Copied from mach-bast.c
15 * 20-Sep-2005 BJD Added static to non-exported items
18 #include <linux/kernel.h>
19 #include <linux/types.h>
20 #include <linux/interrupt.h>
21 #include <linux/list.h>
22 #include <linux/timer.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
30 #include <asm/arch/anubis-map.h>
31 #include <asm/arch/anubis-irq.h>
32 #include <asm/arch/anubis-cpld.h>
34 #include <asm/hardware.h>
37 #include <asm/mach-types.h>
39 #include <asm/arch/regs-serial.h>
40 #include <asm/arch/regs-gpio.h>
41 #include <asm/arch/regs-mem.h>
42 #include <asm/arch/regs-lcd.h>
43 #include <asm/arch/nand.h>
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>
54 #define COPYRIGHT ", (c) 2005 Simtec Electronics"
56 static struct map_desc anubis_iodesc[] __initdata = {
60 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
61 .pfn = __phys_to_pfn(0x0),
65 .virtual = (u32)S3C24XX_VA_ISA_WORD,
66 .pfn = __phys_to_pfn(0x0),
71 /* we could possibly compress the next set down into a set of smaller tables
72 * pagetables, but that would mean using an L2 section, and it still means
73 * we cannot actually feed the same register to an LDR due to 16K spacing
76 /* CPLD control registers */
79 .virtual = (u32)ANUBIS_VA_CTRL1,
80 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
84 .virtual = (u32)ANUBIS_VA_CTRL2,
85 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL2),
93 .virtual = (u32)ANUBIS_IDEPRI,
94 .pfn = __phys_to_pfn(S3C2410_CS3),
98 .virtual = (u32)ANUBIS_IDEPRIAUX,
99 .pfn = __phys_to_pfn(S3C2410_CS3+(1<<26)),
103 .virtual = (u32)ANUBIS_IDESEC,
104 .pfn = __phys_to_pfn(S3C2410_CS4),
108 .virtual = (u32)ANUBIS_IDESECAUX,
109 .pfn = __phys_to_pfn(S3C2410_CS4+(1<<26)),
115 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
116 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
117 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
119 static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
135 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
142 .clocks = anubis_serial_clocks,
143 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
151 .clocks = anubis_serial_clocks,
152 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
156 /* NAND Flash on Anubis board */
158 static int external_map[] = { 2 };
159 static int chip0_map[] = { 0 };
160 static int chip1_map[] = { 1 };
162 static struct mtd_partition anubis_default_nand_part[] = {
164 .name = "Boot Agent",
170 .size = SZ_4M - SZ_16K,
176 .size = SZ_32M - SZ_4M,
181 .size = MTDPART_SIZ_FULL,
185 /* the Anubis has 3 selectable slots for nand-flash, the two
186 * on-board chip areas, as well as the external slot.
188 * Note, there is no current hot-plug support for the External
192 static struct s3c2410_nand_set anubis_nand_sets[] = {
196 .nr_map = external_map,
197 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
198 .partitions = anubis_default_nand_part,
204 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
205 .partitions = anubis_default_nand_part,
211 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
212 .partitions = anubis_default_nand_part,
216 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
220 slot = set->nr_map[slot] & 3;
222 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
223 slot, set, set->nr_map);
225 tmp = __raw_readb(ANUBIS_VA_CTRL1);
226 tmp &= ~ANUBIS_CTRL1_NANDSEL;
229 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
231 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
234 static struct s3c2410_platform_nand anubis_nand_info = {
238 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
239 .sets = anubis_nand_sets,
240 .select_chip = anubis_nand_select,
245 static struct resource anubis_ide0_resource[] = {
247 .start = S3C2410_CS3,
248 .end = S3C2410_CS3 + (8*32) - 1,
249 .flags = IORESOURCE_MEM,
251 .start = S3C2410_CS3 + (1<<26),
252 .end = S3C2410_CS3 + (1<<26) + (8*32) - 1,
253 .flags = IORESOURCE_MEM,
257 .flags = IORESOURCE_IRQ,
261 static struct platform_device anubis_device_ide0 = {
262 .name = "simtec-ide",
264 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
265 .resource = anubis_ide0_resource,
268 static struct resource anubis_ide1_resource[] = {
270 .start = S3C2410_CS4,
271 .end = S3C2410_CS4 + (8*32) - 1,
272 .flags = IORESOURCE_MEM,
274 .start = S3C2410_CS4 + (1<<26),
275 .end = S3C2410_CS4 + (1<<26) + (8*32) - 1,
276 .flags = IORESOURCE_MEM,
280 .flags = IORESOURCE_IRQ,
285 static struct platform_device anubis_device_ide1 = {
286 .name = "simtec-ide",
288 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
289 .resource = anubis_ide1_resource,
292 /* Standard Anubis devices */
294 static struct platform_device *anubis_devices[] __initdata = {
305 static struct clk *anubis_clocks[] = {
313 static struct s3c24xx_board anubis_board __initdata = {
314 .devices = anubis_devices,
315 .devices_count = ARRAY_SIZE(anubis_devices),
316 .clocks = anubis_clocks,
317 .clocks_count = ARRAY_SIZE(anubis_clocks),
320 static void __init anubis_map_io(void)
322 /* initialise the clocks */
324 s3c24xx_dclk0.parent = NULL;
325 s3c24xx_dclk0.rate = 12*1000*1000;
327 s3c24xx_dclk1.parent = NULL;
328 s3c24xx_dclk1.rate = 24*1000*1000;
330 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
331 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
333 s3c24xx_uclk.parent = &s3c24xx_clkout1;
335 s3c_device_nand.dev.platform_data = &anubis_nand_info;
337 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
338 s3c24xx_init_clocks(0);
339 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
340 s3c24xx_set_board(&anubis_board);
342 /* ensure that the GPIO is setup */
343 s3c2410_gpio_setpin(S3C2410_GPA0, 1);
346 MACHINE_START(ANUBIS, "Simtec-Anubis")
347 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
348 .phys_io = S3C2410_PA_UART,
349 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
350 .boot_params = S3C2410_SDRAM_PA + 0x100,
351 .map_io = anubis_map_io,
352 .init_irq = s3c24xx_init_irq,
353 .timer = &s3c24xx_timer,