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>
58 #define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics"
60 static struct map_desc anubis_iodesc[] __initdata = {
64 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
65 .pfn = __phys_to_pfn(0x0),
69 .virtual = (u32)S3C24XX_VA_ISA_WORD,
70 .pfn = __phys_to_pfn(0x0),
75 /* we could possibly compress the next set down into a set of smaller tables
76 * pagetables, but that would mean using an L2 section, and it still means
77 * we cannot actually feed the same register to an LDR due to 16K spacing
80 /* CPLD control registers */
83 .virtual = (u32)ANUBIS_VA_CTRL1,
84 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
88 .virtual = (u32)ANUBIS_VA_IDREG,
89 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
95 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
96 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
97 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
99 static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
115 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
122 .clocks = anubis_serial_clocks,
123 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
131 .clocks = anubis_serial_clocks,
132 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
136 /* NAND Flash on Anubis board */
138 static int external_map[] = { 2 };
139 static int chip0_map[] = { 0 };
140 static int chip1_map[] = { 1 };
142 static struct mtd_partition __initdata anubis_default_nand_part[] = {
144 .name = "Boot Agent",
150 .size = SZ_4M - SZ_16K,
156 .size = SZ_32M - SZ_4M,
161 .size = MTDPART_SIZ_FULL,
165 static struct mtd_partition __initdata anubis_default_nand_part_large[] = {
167 .name = "Boot Agent",
173 .size = SZ_4M - SZ_128K,
179 .size = SZ_32M - SZ_4M,
184 .size = MTDPART_SIZ_FULL,
188 /* the Anubis has 3 selectable slots for nand-flash, the two
189 * on-board chip areas, as well as the external slot.
191 * Note, there is no current hot-plug support for the External
195 static struct s3c2410_nand_set __initdata anubis_nand_sets[] = {
199 .nr_map = external_map,
200 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
201 .partitions = anubis_default_nand_part,
207 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
208 .partitions = anubis_default_nand_part,
214 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
215 .partitions = anubis_default_nand_part,
219 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
223 slot = set->nr_map[slot] & 3;
225 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
226 slot, set, set->nr_map);
228 tmp = __raw_readb(ANUBIS_VA_CTRL1);
229 tmp &= ~ANUBIS_CTRL1_NANDSEL;
232 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
234 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
237 static struct s3c2410_platform_nand __initdata anubis_nand_info = {
241 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
242 .sets = anubis_nand_sets,
243 .select_chip = anubis_nand_select,
248 static struct pata_platform_info anubis_ide_platdata = {
252 static struct resource anubis_ide0_resource[] = {
254 .start = S3C2410_CS3,
255 .end = S3C2410_CS3 + (8*32) - 1,
256 .flags = IORESOURCE_MEM,
258 .start = S3C2410_CS3 + (1<<26) + (6*32),
259 .end = S3C2410_CS3 + (1<<26) + (7*32) - 1,
260 .flags = IORESOURCE_MEM,
264 .flags = IORESOURCE_IRQ,
268 static struct platform_device anubis_device_ide0 = {
269 .name = "pata_platform",
271 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
272 .resource = anubis_ide0_resource,
274 .platform_data = &anubis_ide_platdata,
275 .coherent_dma_mask = ~0,
279 static struct resource anubis_ide1_resource[] = {
281 .start = S3C2410_CS4,
282 .end = S3C2410_CS4 + (8*32) - 1,
283 .flags = IORESOURCE_MEM,
285 .start = S3C2410_CS4 + (1<<26) + (6*32),
286 .end = S3C2410_CS4 + (1<<26) + (7*32) - 1,
287 .flags = IORESOURCE_MEM,
291 .flags = IORESOURCE_IRQ,
295 static struct platform_device anubis_device_ide1 = {
296 .name = "pata_platform",
298 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
299 .resource = anubis_ide1_resource,
301 .platform_data = &anubis_ide_platdata,
302 .coherent_dma_mask = ~0,
306 /* Asix AX88796 10/100 ethernet controller */
308 static struct ax_plat_data anubis_asix_platdata = {
309 .flags = AXFLG_MAC_FROMDEV,
315 static struct resource anubis_asix_resource[] = {
317 .start = S3C2410_CS5,
318 .end = S3C2410_CS5 + (0x20 * 0x20) -1,
319 .flags = IORESOURCE_MEM
324 .flags = IORESOURCE_IRQ
328 static struct platform_device anubis_device_asix = {
331 .num_resources = ARRAY_SIZE(anubis_asix_resource),
332 .resource = anubis_asix_resource,
334 .platform_data = &anubis_asix_platdata,
340 static struct resource anubis_sm501_resource[] = {
342 .start = S3C2410_CS2,
343 .end = S3C2410_CS2 + SZ_8M,
344 .flags = IORESOURCE_MEM,
347 .start = S3C2410_CS2 + SZ_64M - SZ_2M,
348 .end = S3C2410_CS2 + SZ_64M - 1,
349 .flags = IORESOURCE_MEM,
354 .flags = IORESOURCE_IRQ,
358 static struct sm501_initdata anubis_sm501_initdata = {
360 .set = 0x3F000000, /* 24bit panel */
364 .set = 0x010100, /* SDRAM timing */
368 .set = SM501_MISC_PNL_24BIT,
372 .devices = SM501_USE_GPIO,
374 /* set the SDRAM and bus clocks */
379 static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
392 static struct sm501_platdata anubis_sm501_platdata = {
393 .init = &anubis_sm501_initdata,
395 .gpio_i2c = anubis_sm501_gpio_i2c,
396 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
399 static struct platform_device anubis_device_sm501 = {
402 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
403 .resource = anubis_sm501_resource,
405 .platform_data = &anubis_sm501_platdata,
409 /* Standard Anubis devices */
411 static struct platform_device *anubis_devices[] __initdata = {
421 &anubis_device_sm501,
424 static struct clk *anubis_clocks[] __initdata = {
434 static struct i2c_board_info anubis_i2c_devs[] __initdata = {
436 I2C_BOARD_INFO("tps65011", 0x48),
442 static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = {
447 .amp_gpio = S3C2410_GPB(2),
448 .amp_gain[0] = S3C2410_GPD(10),
449 .amp_gain[1] = S3C2410_GPD(11),
452 static void __init anubis_map_io(void)
454 /* initialise the clocks */
456 s3c24xx_dclk0.parent = &clk_upll;
457 s3c24xx_dclk0.rate = 12*1000*1000;
459 s3c24xx_dclk1.parent = &clk_upll;
460 s3c24xx_dclk1.rate = 24*1000*1000;
462 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
463 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
465 s3c24xx_uclk.parent = &s3c24xx_clkout1;
467 s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
469 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
470 s3c24xx_init_clocks(0);
471 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
473 /* check for the newer revision boards with large page nand */
475 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
476 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
477 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
478 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
479 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
481 /* ensure that the GPIO is setup */
482 s3c2410_gpio_setpin(S3C2410_GPA(0), 1);
486 static void __init anubis_init(void)
488 s3c_i2c0_set_platdata(NULL);
489 s3c_nand_set_platdata(&anubis_nand_info);
490 simtec_audio_add(NULL, false, &anubis_audio);
492 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
494 i2c_register_board_info(0, anubis_i2c_devs,
495 ARRAY_SIZE(anubis_i2c_devs));
499 MACHINE_START(ANUBIS, "Simtec-Anubis")
500 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
501 .boot_params = S3C2410_SDRAM_PA + 0x100,
502 .map_io = anubis_map_io,
503 .init_machine = anubis_init,
504 .init_irq = s3c24xx_init_irq,
505 .timer = &s3c24xx_timer,