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>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/interrupt.h>
15 #include <linux/list.h>
16 #include <linux/timer.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
20 #include <asm/mach/arch.h>
21 #include <asm/mach/map.h>
22 #include <asm/mach/irq.h>
24 #include <asm/arch/anubis-map.h>
25 #include <asm/arch/anubis-irq.h>
26 #include <asm/arch/anubis-cpld.h>
28 #include <asm/hardware.h>
31 #include <asm/mach-types.h>
33 #include <asm/arch/regs-serial.h>
34 #include <asm/arch/regs-gpio.h>
35 #include <asm/arch/regs-mem.h>
36 #include <asm/arch/regs-lcd.h>
37 #include <asm/arch/nand.h>
39 #include <linux/mtd/mtd.h>
40 #include <linux/mtd/nand.h>
41 #include <linux/mtd/nand_ecc.h>
42 #include <linux/mtd/partitions.h>
48 #define COPYRIGHT ", (c) 2005 Simtec Electronics"
50 static struct map_desc anubis_iodesc[] __initdata = {
54 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
55 .pfn = __phys_to_pfn(0x0),
59 .virtual = (u32)S3C24XX_VA_ISA_WORD,
60 .pfn = __phys_to_pfn(0x0),
65 /* we could possibly compress the next set down into a set of smaller tables
66 * pagetables, but that would mean using an L2 section, and it still means
67 * we cannot actually feed the same register to an LDR due to 16K spacing
70 /* CPLD control registers */
73 .virtual = (u32)ANUBIS_VA_CTRL1,
74 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
78 .virtual = (u32)ANUBIS_VA_CTRL2,
79 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL2),
85 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
86 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
87 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
89 static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
105 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
112 .clocks = anubis_serial_clocks,
113 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
121 .clocks = anubis_serial_clocks,
122 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
126 /* NAND Flash on Anubis board */
128 static int external_map[] = { 2 };
129 static int chip0_map[] = { 0 };
130 static int chip1_map[] = { 1 };
132 static struct mtd_partition anubis_default_nand_part[] = {
134 .name = "Boot Agent",
140 .size = SZ_4M - SZ_16K,
146 .size = SZ_32M - SZ_4M,
151 .size = MTDPART_SIZ_FULL,
155 /* the Anubis has 3 selectable slots for nand-flash, the two
156 * on-board chip areas, as well as the external slot.
158 * Note, there is no current hot-plug support for the External
162 static struct s3c2410_nand_set anubis_nand_sets[] = {
166 .nr_map = external_map,
167 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
168 .partitions = anubis_default_nand_part,
174 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
175 .partitions = anubis_default_nand_part,
181 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
182 .partitions = anubis_default_nand_part,
186 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
190 slot = set->nr_map[slot] & 3;
192 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
193 slot, set, set->nr_map);
195 tmp = __raw_readb(ANUBIS_VA_CTRL1);
196 tmp &= ~ANUBIS_CTRL1_NANDSEL;
199 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
201 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
204 static struct s3c2410_platform_nand anubis_nand_info = {
208 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
209 .sets = anubis_nand_sets,
210 .select_chip = anubis_nand_select,
215 static struct resource anubis_ide0_resource[] = {
217 .start = S3C2410_CS3,
218 .end = S3C2410_CS3 + (8*32) - 1,
219 .flags = IORESOURCE_MEM,
221 .start = S3C2410_CS3 + (1<<26),
222 .end = S3C2410_CS3 + (1<<26) + (8*32) - 1,
223 .flags = IORESOURCE_MEM,
227 .flags = IORESOURCE_IRQ,
231 static struct platform_device anubis_device_ide0 = {
232 .name = "simtec-ide",
234 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
235 .resource = anubis_ide0_resource,
238 static struct resource anubis_ide1_resource[] = {
240 .start = S3C2410_CS4,
241 .end = S3C2410_CS4 + (8*32) - 1,
242 .flags = IORESOURCE_MEM,
244 .start = S3C2410_CS4 + (1<<26),
245 .end = S3C2410_CS4 + (1<<26) + (8*32) - 1,
246 .flags = IORESOURCE_MEM,
250 .flags = IORESOURCE_IRQ,
255 static struct platform_device anubis_device_ide1 = {
256 .name = "simtec-ide",
258 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
259 .resource = anubis_ide1_resource,
262 /* Standard Anubis devices */
264 static struct platform_device *anubis_devices[] __initdata = {
275 static struct clk *anubis_clocks[] = {
283 static struct s3c24xx_board anubis_board __initdata = {
284 .devices = anubis_devices,
285 .devices_count = ARRAY_SIZE(anubis_devices),
286 .clocks = anubis_clocks,
287 .clocks_count = ARRAY_SIZE(anubis_clocks),
290 static void __init anubis_map_io(void)
292 /* initialise the clocks */
294 s3c24xx_dclk0.parent = NULL;
295 s3c24xx_dclk0.rate = 12*1000*1000;
297 s3c24xx_dclk1.parent = NULL;
298 s3c24xx_dclk1.rate = 24*1000*1000;
300 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
301 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
303 s3c24xx_uclk.parent = &s3c24xx_clkout1;
305 s3c_device_nand.dev.platform_data = &anubis_nand_info;
307 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
308 s3c24xx_init_clocks(0);
309 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
310 s3c24xx_set_board(&anubis_board);
312 /* ensure that the GPIO is setup */
313 s3c2410_gpio_setpin(S3C2410_GPA0, 1);
316 MACHINE_START(ANUBIS, "Simtec-Anubis")
317 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
318 .phys_io = S3C2410_PA_UART,
319 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
320 .boot_params = S3C2410_SDRAM_PA + 0x100,
321 .map_io = anubis_map_io,
322 .init_irq = s3c24xx_init_irq,
323 .timer = &s3c24xx_timer,