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/anubis-map.h>
32 #include <mach/anubis-irq.h>
33 #include <mach/anubis-cpld.h>
35 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
39 #include <plat/regs-serial.h>
40 #include <mach/regs-gpio.h>
41 #include <mach/regs-mem.h>
42 #include <mach/regs-lcd.h>
43 #include <plat/nand.h>
46 #include <linux/mtd/mtd.h>
47 #include <linux/mtd/nand.h>
48 #include <linux/mtd/nand_ecc.h>
49 #include <linux/mtd/partitions.h>
51 #include <net/ax88796.h>
53 #include <plat/clock.h>
54 #include <plat/devs.h>
56 #include <plat/audio-simtec.h>
60 #define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics"
62 static struct map_desc anubis_iodesc[] __initdata = {
66 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
67 .pfn = __phys_to_pfn(0x0),
71 .virtual = (u32)S3C24XX_VA_ISA_WORD,
72 .pfn = __phys_to_pfn(0x0),
77 /* we could possibly compress the next set down into a set of smaller tables
78 * pagetables, but that would mean using an L2 section, and it still means
79 * we cannot actually feed the same register to an LDR due to 16K spacing
82 /* CPLD control registers */
85 .virtual = (u32)ANUBIS_VA_CTRL1,
86 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
90 .virtual = (u32)ANUBIS_VA_IDREG,
91 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
97 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
98 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
99 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
101 static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
117 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
124 .clocks = anubis_serial_clocks,
125 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
133 .clocks = anubis_serial_clocks,
134 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
138 /* NAND Flash on Anubis board */
140 static int external_map[] = { 2 };
141 static int chip0_map[] = { 0 };
142 static int chip1_map[] = { 1 };
144 static struct mtd_partition __initdata anubis_default_nand_part[] = {
146 .name = "Boot Agent",
152 .size = SZ_4M - SZ_16K,
158 .size = SZ_32M - SZ_4M,
163 .size = MTDPART_SIZ_FULL,
167 static struct mtd_partition __initdata anubis_default_nand_part_large[] = {
169 .name = "Boot Agent",
175 .size = SZ_4M - SZ_128K,
181 .size = SZ_32M - SZ_4M,
186 .size = MTDPART_SIZ_FULL,
190 /* the Anubis has 3 selectable slots for nand-flash, the two
191 * on-board chip areas, as well as the external slot.
193 * Note, there is no current hot-plug support for the External
197 static struct s3c2410_nand_set __initdata anubis_nand_sets[] = {
201 .nr_map = external_map,
202 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
203 .partitions = anubis_default_nand_part,
209 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
210 .partitions = anubis_default_nand_part,
216 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
217 .partitions = anubis_default_nand_part,
221 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
225 slot = set->nr_map[slot] & 3;
227 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
228 slot, set, set->nr_map);
230 tmp = __raw_readb(ANUBIS_VA_CTRL1);
231 tmp &= ~ANUBIS_CTRL1_NANDSEL;
234 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
236 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
239 static struct s3c2410_platform_nand __initdata anubis_nand_info = {
243 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
244 .sets = anubis_nand_sets,
245 .select_chip = anubis_nand_select,
250 static struct pata_platform_info anubis_ide_platdata = {
254 static struct resource anubis_ide0_resource[] = {
256 .start = S3C2410_CS3,
257 .end = S3C2410_CS3 + (8*32) - 1,
258 .flags = IORESOURCE_MEM,
260 .start = S3C2410_CS3 + (1<<26) + (6*32),
261 .end = S3C2410_CS3 + (1<<26) + (7*32) - 1,
262 .flags = IORESOURCE_MEM,
266 .flags = IORESOURCE_IRQ,
270 static struct platform_device anubis_device_ide0 = {
271 .name = "pata_platform",
273 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
274 .resource = anubis_ide0_resource,
276 .platform_data = &anubis_ide_platdata,
277 .coherent_dma_mask = ~0,
281 static struct resource anubis_ide1_resource[] = {
283 .start = S3C2410_CS4,
284 .end = S3C2410_CS4 + (8*32) - 1,
285 .flags = IORESOURCE_MEM,
287 .start = S3C2410_CS4 + (1<<26) + (6*32),
288 .end = S3C2410_CS4 + (1<<26) + (7*32) - 1,
289 .flags = IORESOURCE_MEM,
293 .flags = IORESOURCE_IRQ,
297 static struct platform_device anubis_device_ide1 = {
298 .name = "pata_platform",
300 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
301 .resource = anubis_ide1_resource,
303 .platform_data = &anubis_ide_platdata,
304 .coherent_dma_mask = ~0,
308 /* Asix AX88796 10/100 ethernet controller */
310 static struct ax_plat_data anubis_asix_platdata = {
311 .flags = AXFLG_MAC_FROMDEV,
317 static struct resource anubis_asix_resource[] = {
319 .start = S3C2410_CS5,
320 .end = S3C2410_CS5 + (0x20 * 0x20) -1,
321 .flags = IORESOURCE_MEM
326 .flags = IORESOURCE_IRQ
330 static struct platform_device anubis_device_asix = {
333 .num_resources = ARRAY_SIZE(anubis_asix_resource),
334 .resource = anubis_asix_resource,
336 .platform_data = &anubis_asix_platdata,
342 static struct resource anubis_sm501_resource[] = {
344 .start = S3C2410_CS2,
345 .end = S3C2410_CS2 + SZ_8M,
346 .flags = IORESOURCE_MEM,
349 .start = S3C2410_CS2 + SZ_64M - SZ_2M,
350 .end = S3C2410_CS2 + SZ_64M - 1,
351 .flags = IORESOURCE_MEM,
356 .flags = IORESOURCE_IRQ,
360 static struct sm501_initdata anubis_sm501_initdata = {
362 .set = 0x3F000000, /* 24bit panel */
366 .set = 0x010100, /* SDRAM timing */
370 .set = SM501_MISC_PNL_24BIT,
374 .devices = SM501_USE_GPIO,
376 /* set the SDRAM and bus clocks */
381 static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
394 static struct sm501_platdata anubis_sm501_platdata = {
395 .init = &anubis_sm501_initdata,
397 .gpio_i2c = anubis_sm501_gpio_i2c,
398 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
401 static struct platform_device anubis_device_sm501 = {
404 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
405 .resource = anubis_sm501_resource,
407 .platform_data = &anubis_sm501_platdata,
411 /* Standard Anubis devices */
413 static struct platform_device *anubis_devices[] __initdata = {
423 &anubis_device_sm501,
426 static struct clk *anubis_clocks[] __initdata = {
436 static struct i2c_board_info anubis_i2c_devs[] __initdata = {
438 I2C_BOARD_INFO("tps65011", 0x48),
444 static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = {
449 .amp_gpio = S3C2410_GPB(2),
450 .amp_gain[0] = S3C2410_GPD(10),
451 .amp_gain[1] = S3C2410_GPD(11),
454 static void __init anubis_map_io(void)
456 /* initialise the clocks */
458 s3c24xx_dclk0.parent = &clk_upll;
459 s3c24xx_dclk0.rate = 12*1000*1000;
461 s3c24xx_dclk1.parent = &clk_upll;
462 s3c24xx_dclk1.rate = 24*1000*1000;
464 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
465 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
467 s3c24xx_uclk.parent = &s3c24xx_clkout1;
469 s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
471 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
472 s3c24xx_init_clocks(0);
473 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
475 /* check for the newer revision boards with large page nand */
477 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
478 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
479 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
480 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
481 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
483 /* ensure that the GPIO is setup */
484 s3c2410_gpio_setpin(S3C2410_GPA(0), 1);
488 static void __init anubis_init(void)
490 s3c_i2c0_set_platdata(NULL);
491 s3c_nand_set_platdata(&anubis_nand_info);
492 simtec_audio_add(NULL, false, &anubis_audio);
494 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
496 i2c_register_board_info(0, anubis_i2c_devs,
497 ARRAY_SIZE(anubis_i2c_devs));
501 MACHINE_START(ANUBIS, "Simtec-Anubis")
502 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
503 .atag_offset = 0x100,
504 .map_io = anubis_map_io,
505 .init_machine = anubis_init,
506 .init_irq = s3c24xx_init_irq,
507 .timer = &s3c24xx_timer,
508 .restart = s3c2440_restart,