1 /* linux/arch/arm/mach-s3c2440/mach-anubis.c
3 * Copyright 2003-2009 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/gpio.h>
19 #include <linux/serial_core.h>
20 #include <linux/platform_device.h>
21 #include <linux/ata_platform.h>
22 #include <linux/i2c.h>
24 #include <linux/sm501.h>
25 #include <linux/sm501-regs.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
31 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
35 #include <plat/regs-serial.h>
36 #include <mach/regs-gpio.h>
37 #include <mach/regs-lcd.h>
38 #include <linux/platform_data/mtd-nand-s3c2410.h>
39 #include <linux/platform_data/i2c-s3c2410.h>
41 #include <linux/mtd/mtd.h>
42 #include <linux/mtd/nand.h>
43 #include <linux/mtd/nand_ecc.h>
44 #include <linux/mtd/partitions.h>
46 #include <net/ax88796.h>
48 #include <plat/clock.h>
49 #include <plat/devs.h>
51 #include <linux/platform_data/asoc-s3c24xx_simtec.h>
57 #define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics"
59 static struct map_desc anubis_iodesc[] __initdata = {
63 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
64 .pfn = __phys_to_pfn(0x0),
68 .virtual = (u32)S3C24XX_VA_ISA_WORD,
69 .pfn = __phys_to_pfn(0x0),
74 /* we could possibly compress the next set down into a set of smaller tables
75 * pagetables, but that would mean using an L2 section, and it still means
76 * we cannot actually feed the same register to an LDR due to 16K spacing
79 /* CPLD control registers */
82 .virtual = (u32)ANUBIS_VA_CTRL1,
83 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
87 .virtual = (u32)ANUBIS_VA_IDREG,
88 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
94 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
95 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
96 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
98 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
105 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
113 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
117 /* NAND Flash on Anubis board */
119 static int external_map[] = { 2 };
120 static int chip0_map[] = { 0 };
121 static int chip1_map[] = { 1 };
123 static struct mtd_partition __initdata anubis_default_nand_part[] = {
125 .name = "Boot Agent",
131 .size = SZ_4M - SZ_16K,
137 .size = SZ_32M - SZ_4M,
142 .size = MTDPART_SIZ_FULL,
146 static struct mtd_partition __initdata anubis_default_nand_part_large[] = {
148 .name = "Boot Agent",
154 .size = SZ_4M - SZ_128K,
160 .size = SZ_32M - SZ_4M,
165 .size = MTDPART_SIZ_FULL,
169 /* the Anubis has 3 selectable slots for nand-flash, the two
170 * on-board chip areas, as well as the external slot.
172 * Note, there is no current hot-plug support for the External
176 static struct s3c2410_nand_set __initdata anubis_nand_sets[] = {
180 .nr_map = external_map,
181 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
182 .partitions = anubis_default_nand_part,
188 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
189 .partitions = anubis_default_nand_part,
195 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
196 .partitions = anubis_default_nand_part,
200 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
204 slot = set->nr_map[slot] & 3;
206 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
207 slot, set, set->nr_map);
209 tmp = __raw_readb(ANUBIS_VA_CTRL1);
210 tmp &= ~ANUBIS_CTRL1_NANDSEL;
213 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
215 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
218 static struct s3c2410_platform_nand __initdata anubis_nand_info = {
222 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
223 .sets = anubis_nand_sets,
224 .select_chip = anubis_nand_select,
229 static struct pata_platform_info anubis_ide_platdata = {
233 static struct resource anubis_ide0_resource[] = {
234 [0] = DEFINE_RES_MEM(S3C2410_CS3, 8 * 32),
235 [2] = DEFINE_RES_MEM(S3C2410_CS3 + (1 << 26) + (6 * 32), 32),
236 [3] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0),
239 static struct platform_device anubis_device_ide0 = {
240 .name = "pata_platform",
242 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
243 .resource = anubis_ide0_resource,
245 .platform_data = &anubis_ide_platdata,
246 .coherent_dma_mask = ~0,
250 static struct resource anubis_ide1_resource[] = {
251 [0] = DEFINE_RES_MEM(S3C2410_CS4, 8 * 32),
252 [1] = DEFINE_RES_MEM(S3C2410_CS4 + (1 << 26) + (6 * 32), 32),
253 [2] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0),
256 static struct platform_device anubis_device_ide1 = {
257 .name = "pata_platform",
259 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
260 .resource = anubis_ide1_resource,
262 .platform_data = &anubis_ide_platdata,
263 .coherent_dma_mask = ~0,
267 /* Asix AX88796 10/100 ethernet controller */
269 static struct ax_plat_data anubis_asix_platdata = {
270 .flags = AXFLG_MAC_FROMDEV,
276 static struct resource anubis_asix_resource[] = {
277 [0] = DEFINE_RES_MEM(S3C2410_CS5, 0x20 * 0x20),
278 [1] = DEFINE_RES_IRQ(ANUBIS_IRQ_ASIX),
281 static struct platform_device anubis_device_asix = {
284 .num_resources = ARRAY_SIZE(anubis_asix_resource),
285 .resource = anubis_asix_resource,
287 .platform_data = &anubis_asix_platdata,
293 static struct resource anubis_sm501_resource[] = {
294 [0] = DEFINE_RES_MEM(S3C2410_CS2, SZ_8M),
295 [1] = DEFINE_RES_MEM(S3C2410_CS2 + SZ_64M - SZ_2M, SZ_2M),
296 [2] = DEFINE_RES_IRQ(IRQ_EINT0),
299 static struct sm501_initdata anubis_sm501_initdata = {
301 .set = 0x3F000000, /* 24bit panel */
305 .set = 0x010100, /* SDRAM timing */
309 .set = SM501_MISC_PNL_24BIT,
313 .devices = SM501_USE_GPIO,
315 /* set the SDRAM and bus clocks */
320 static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
333 static struct sm501_platdata anubis_sm501_platdata = {
334 .init = &anubis_sm501_initdata,
336 .gpio_i2c = anubis_sm501_gpio_i2c,
337 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
340 static struct platform_device anubis_device_sm501 = {
343 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
344 .resource = anubis_sm501_resource,
346 .platform_data = &anubis_sm501_platdata,
350 /* Standard Anubis devices */
352 static struct platform_device *anubis_devices[] __initdata = {
362 &anubis_device_sm501,
365 static struct clk *anubis_clocks[] __initdata = {
375 static struct i2c_board_info anubis_i2c_devs[] __initdata = {
377 I2C_BOARD_INFO("tps65011", 0x48),
383 static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = {
388 .amp_gpio = S3C2410_GPB(2),
389 .amp_gain[0] = S3C2410_GPD(10),
390 .amp_gain[1] = S3C2410_GPD(11),
393 static void __init anubis_map_io(void)
395 /* initialise the clocks */
397 s3c24xx_dclk0.parent = &clk_upll;
398 s3c24xx_dclk0.rate = 12*1000*1000;
400 s3c24xx_dclk1.parent = &clk_upll;
401 s3c24xx_dclk1.rate = 24*1000*1000;
403 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
404 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
406 s3c24xx_uclk.parent = &s3c24xx_clkout1;
408 s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
410 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
411 s3c24xx_init_clocks(0);
412 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
414 /* check for the newer revision boards with large page nand */
416 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
417 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
418 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
419 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
420 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
422 /* ensure that the GPIO is setup */
423 gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL);
424 gpio_free(S3C2410_GPA(0));
428 static void __init anubis_init(void)
430 s3c_i2c0_set_platdata(NULL);
431 s3c_nand_set_platdata(&anubis_nand_info);
432 simtec_audio_add(NULL, false, &anubis_audio);
434 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
436 i2c_register_board_info(0, anubis_i2c_devs,
437 ARRAY_SIZE(anubis_i2c_devs));
441 MACHINE_START(ANUBIS, "Simtec-Anubis")
442 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
443 .atag_offset = 0x100,
444 .map_io = anubis_map_io,
445 .init_machine = anubis_init,
446 .init_irq = s3c24xx_init_irq,
447 .init_time = s3c24xx_timer_init,
448 .restart = s3c244x_restart,