1 /* linux/arch/arm/mach-s3c2440/mach-anubis.c
3 * Copyright (c) 2003-2005,2008 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/serial_core.h>
19 #include <linux/platform_device.h>
20 #include <linux/ata_platform.h>
21 #include <linux/i2c.h>
23 #include <linux/sm501.h>
24 #include <linux/sm501-regs.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
30 #include <mach/anubis-map.h>
31 #include <mach/anubis-irq.h>
32 #include <mach/anubis-cpld.h>
34 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
39 #include <asm/plat-s3c/regs-serial.h>
40 #include <mach/regs-gpio.h>
41 #include <mach/regs-mem.h>
42 #include <mach/regs-lcd.h>
43 #include <asm/plat-s3c/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>
50 #include <net/ax88796.h>
52 #include <asm/plat-s3c24xx/clock.h>
53 #include <asm/plat-s3c24xx/devs.h>
54 #include <asm/plat-s3c24xx/cpu.h>
56 #define COPYRIGHT ", (c) 2005 Simtec Electronics"
58 static struct map_desc anubis_iodesc[] __initdata = {
62 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
63 .pfn = __phys_to_pfn(0x0),
67 .virtual = (u32)S3C24XX_VA_ISA_WORD,
68 .pfn = __phys_to_pfn(0x0),
73 /* we could possibly compress the next set down into a set of smaller tables
74 * pagetables, but that would mean using an L2 section, and it still means
75 * we cannot actually feed the same register to an LDR due to 16K spacing
78 /* CPLD control registers */
81 .virtual = (u32)ANUBIS_VA_CTRL1,
82 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
86 .virtual = (u32)ANUBIS_VA_IDREG,
87 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
93 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
94 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
95 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
97 static struct s3c24xx_uart_clksrc anubis_serial_clocks[] = {
113 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
120 .clocks = anubis_serial_clocks,
121 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
129 .clocks = anubis_serial_clocks,
130 .clocks_size = ARRAY_SIZE(anubis_serial_clocks),
134 /* NAND Flash on Anubis board */
136 static int external_map[] = { 2 };
137 static int chip0_map[] = { 0 };
138 static int chip1_map[] = { 1 };
140 static struct mtd_partition anubis_default_nand_part[] = {
142 .name = "Boot Agent",
148 .size = SZ_4M - SZ_16K,
154 .size = SZ_32M - SZ_4M,
159 .size = MTDPART_SIZ_FULL,
163 static struct mtd_partition anubis_default_nand_part_large[] = {
165 .name = "Boot Agent",
171 .size = SZ_4M - SZ_128K,
177 .size = SZ_32M - SZ_4M,
182 .size = MTDPART_SIZ_FULL,
186 /* the Anubis has 3 selectable slots for nand-flash, the two
187 * on-board chip areas, as well as the external slot.
189 * Note, there is no current hot-plug support for the External
193 static struct s3c2410_nand_set anubis_nand_sets[] = {
197 .nr_map = external_map,
198 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
199 .partitions = anubis_default_nand_part,
205 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
206 .partitions = anubis_default_nand_part,
212 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
213 .partitions = anubis_default_nand_part,
217 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
221 slot = set->nr_map[slot] & 3;
223 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
224 slot, set, set->nr_map);
226 tmp = __raw_readb(ANUBIS_VA_CTRL1);
227 tmp &= ~ANUBIS_CTRL1_NANDSEL;
230 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
232 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
235 static struct s3c2410_platform_nand anubis_nand_info = {
239 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
240 .sets = anubis_nand_sets,
241 .select_chip = anubis_nand_select,
246 struct pata_platform_info anubis_ide_platdata = {
250 static struct resource anubis_ide0_resource[] = {
252 .start = S3C2410_CS3,
253 .end = S3C2410_CS3 + (8*32) - 1,
254 .flags = IORESOURCE_MEM,
256 .start = S3C2410_CS3 + (1<<26) + (6*32),
257 .end = S3C2410_CS3 + (1<<26) + (7*32) - 1,
258 .flags = IORESOURCE_MEM,
262 .flags = IORESOURCE_IRQ,
266 static struct platform_device anubis_device_ide0 = {
267 .name = "pata_platform",
269 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
270 .resource = anubis_ide0_resource,
272 .platform_data = &anubis_ide_platdata,
273 .coherent_dma_mask = ~0,
277 static struct resource anubis_ide1_resource[] = {
279 .start = S3C2410_CS4,
280 .end = S3C2410_CS4 + (8*32) - 1,
281 .flags = IORESOURCE_MEM,
283 .start = S3C2410_CS4 + (1<<26) + (6*32),
284 .end = S3C2410_CS4 + (1<<26) + (7*32) - 1,
285 .flags = IORESOURCE_MEM,
289 .flags = IORESOURCE_IRQ,
293 static struct platform_device anubis_device_ide1 = {
294 .name = "pata_platform",
296 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
297 .resource = anubis_ide1_resource,
299 .platform_data = &anubis_ide_platdata,
300 .coherent_dma_mask = ~0,
304 /* Asix AX88796 10/100 ethernet controller */
306 static struct ax_plat_data anubis_asix_platdata = {
307 .flags = AXFLG_MAC_FROMDEV,
313 static struct resource anubis_asix_resource[] = {
315 .start = S3C2410_CS5,
316 .end = S3C2410_CS5 + (0x20 * 0x20) -1,
317 .flags = IORESOURCE_MEM
322 .flags = IORESOURCE_IRQ
326 static struct platform_device anubis_device_asix = {
329 .num_resources = ARRAY_SIZE(anubis_asix_resource),
330 .resource = anubis_asix_resource,
332 .platform_data = &anubis_asix_platdata,
338 static struct resource anubis_sm501_resource[] = {
340 .start = S3C2410_CS2,
341 .end = S3C2410_CS2 + SZ_8M,
342 .flags = IORESOURCE_MEM,
345 .start = S3C2410_CS2 + SZ_64M - SZ_2M,
346 .end = S3C2410_CS2 + SZ_64M - 1,
347 .flags = IORESOURCE_MEM,
352 .flags = IORESOURCE_IRQ,
356 static struct sm501_initdata anubis_sm501_initdata = {
358 .set = 0x3F000000, /* 24bit panel */
362 .set = 0x010100, /* SDRAM timing */
366 .set = SM501_MISC_PNL_24BIT,
370 /* set the SDRAM and bus clocks */
375 static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
386 static struct sm501_platdata anubis_sm501_platdata = {
387 .init = &anubis_sm501_initdata,
388 .gpio_i2c = anubis_sm501_gpio_i2c,
389 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
392 static struct platform_device anubis_device_sm501 = {
395 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
396 .resource = anubis_sm501_resource,
398 .platform_data = &anubis_sm501_platdata,
402 /* Standard Anubis devices */
404 static struct platform_device *anubis_devices[] __initdata = {
414 &anubis_device_sm501,
417 static struct clk *anubis_clocks[] __initdata = {
427 static struct i2c_board_info anubis_i2c_devs[] __initdata = {
429 I2C_BOARD_INFO("tps65011", 0x48),
434 static void __init anubis_map_io(void)
436 /* initialise the clocks */
438 s3c24xx_dclk0.parent = &clk_upll;
439 s3c24xx_dclk0.rate = 12*1000*1000;
441 s3c24xx_dclk1.parent = &clk_upll;
442 s3c24xx_dclk1.rate = 24*1000*1000;
444 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
445 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
447 s3c24xx_uclk.parent = &s3c24xx_clkout1;
449 s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks));
451 s3c_device_nand.dev.platform_data = &anubis_nand_info;
453 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
454 s3c24xx_init_clocks(0);
455 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
457 /* check for the newer revision boards with large page nand */
459 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
460 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
461 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
462 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
463 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
465 /* ensure that the GPIO is setup */
466 s3c2410_gpio_setpin(S3C2410_GPA0, 1);
470 static void __init anubis_init(void)
472 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
474 i2c_register_board_info(0, anubis_i2c_devs,
475 ARRAY_SIZE(anubis_i2c_devs));
479 MACHINE_START(ANUBIS, "Simtec-Anubis")
480 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
481 .phys_io = S3C2410_PA_UART,
482 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
483 .boot_params = S3C2410_SDRAM_PA + 0x100,
484 .map_io = anubis_map_io,
485 .init_machine = anubis_init,
486 .init_irq = s3c24xx_init_irq,
487 .timer = &s3c24xx_timer,