1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright 2003-2009 Simtec Electronics
4 // http://armlinux.simtec.co.uk/
5 // Ben Dooks <ben@simtec.co.uk>
7 #include <linux/kernel.h>
8 #include <linux/types.h>
9 #include <linux/interrupt.h>
10 #include <linux/list.h>
11 #include <linux/timer.h>
12 #include <linux/init.h>
13 #include <linux/gpio.h>
14 #include <linux/serial_core.h>
15 #include <linux/serial_s3c.h>
16 #include <linux/platform_device.h>
17 #include <linux/ata_platform.h>
18 #include <linux/i2c.h>
20 #include <linux/sm501.h>
21 #include <linux/sm501-regs.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
27 #include <mach/hardware.h>
29 #include <asm/mach-types.h>
31 #include <mach/regs-gpio.h>
32 #include <mach/regs-lcd.h>
33 #include <mach/gpio-samsung.h>
34 #include <linux/platform_data/mtd-nand-s3c2410.h>
35 #include <linux/platform_data/i2c-s3c2410.h>
37 #include <linux/mtd/mtd.h>
38 #include <linux/mtd/rawnand.h>
39 #include <linux/mtd/nand_ecc.h>
40 #include <linux/mtd/partitions.h>
42 #include <net/ax88796.h>
44 #include <plat/devs.h>
46 #include <linux/platform_data/asoc-s3c24xx_simtec.h>
47 #include <plat/samsung-time.h>
53 #define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics"
55 static struct map_desc anubis_iodesc[] __initdata = {
59 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
60 .pfn = __phys_to_pfn(0x0),
64 .virtual = (u32)S3C24XX_VA_ISA_WORD,
65 .pfn = __phys_to_pfn(0x0),
70 /* we could possibly compress the next set down into a set of smaller tables
71 * pagetables, but that would mean using an L2 section, and it still means
72 * we cannot actually feed the same register to an LDR due to 16K spacing
75 /* CPLD control registers */
78 .virtual = (u32)ANUBIS_VA_CTRL1,
79 .pfn = __phys_to_pfn(ANUBIS_PA_CTRL1),
83 .virtual = (u32)ANUBIS_VA_IDREG,
84 .pfn = __phys_to_pfn(ANUBIS_PA_IDREG),
90 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
91 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
92 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
94 static struct s3c2410_uartcfg anubis_uartcfgs[] __initdata = {
101 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
109 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
113 /* NAND Flash on Anubis board */
115 static int external_map[] = { 2 };
116 static int chip0_map[] = { 0 };
117 static int chip1_map[] = { 1 };
119 static struct mtd_partition __initdata anubis_default_nand_part[] = {
121 .name = "Boot Agent",
127 .size = SZ_4M - SZ_16K,
133 .size = SZ_32M - SZ_4M,
138 .size = MTDPART_SIZ_FULL,
142 static struct mtd_partition __initdata anubis_default_nand_part_large[] = {
144 .name = "Boot Agent",
150 .size = SZ_4M - SZ_128K,
156 .size = SZ_32M - SZ_4M,
161 .size = MTDPART_SIZ_FULL,
165 /* the Anubis has 3 selectable slots for nand-flash, the two
166 * on-board chip areas, as well as the external slot.
168 * Note, there is no current hot-plug support for the External
172 static struct s3c2410_nand_set __initdata anubis_nand_sets[] = {
176 .nr_map = external_map,
177 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
178 .partitions = anubis_default_nand_part,
184 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
185 .partitions = anubis_default_nand_part,
191 .nr_partitions = ARRAY_SIZE(anubis_default_nand_part),
192 .partitions = anubis_default_nand_part,
196 static void anubis_nand_select(struct s3c2410_nand_set *set, int slot)
200 slot = set->nr_map[slot] & 3;
202 pr_debug("anubis_nand: selecting slot %d (set %p,%p)\n",
203 slot, set, set->nr_map);
205 tmp = __raw_readb(ANUBIS_VA_CTRL1);
206 tmp &= ~ANUBIS_CTRL1_NANDSEL;
209 pr_debug("anubis_nand: ctrl1 now %02x\n", tmp);
211 __raw_writeb(tmp, ANUBIS_VA_CTRL1);
214 static struct s3c2410_platform_nand __initdata anubis_nand_info = {
218 .nr_sets = ARRAY_SIZE(anubis_nand_sets),
219 .sets = anubis_nand_sets,
220 .select_chip = anubis_nand_select,
221 .ecc_mode = NAND_ECC_SOFT,
226 static struct pata_platform_info anubis_ide_platdata = {
230 static struct resource anubis_ide0_resource[] = {
231 [0] = DEFINE_RES_MEM(S3C2410_CS3, 8 * 32),
232 [2] = DEFINE_RES_MEM(S3C2410_CS3 + (1 << 26) + (6 * 32), 32),
233 [3] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0),
236 static struct platform_device anubis_device_ide0 = {
237 .name = "pata_platform",
239 .num_resources = ARRAY_SIZE(anubis_ide0_resource),
240 .resource = anubis_ide0_resource,
242 .platform_data = &anubis_ide_platdata,
243 .coherent_dma_mask = ~0,
247 static struct resource anubis_ide1_resource[] = {
248 [0] = DEFINE_RES_MEM(S3C2410_CS4, 8 * 32),
249 [1] = DEFINE_RES_MEM(S3C2410_CS4 + (1 << 26) + (6 * 32), 32),
250 [2] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0),
253 static struct platform_device anubis_device_ide1 = {
254 .name = "pata_platform",
256 .num_resources = ARRAY_SIZE(anubis_ide1_resource),
257 .resource = anubis_ide1_resource,
259 .platform_data = &anubis_ide_platdata,
260 .coherent_dma_mask = ~0,
264 /* Asix AX88796 10/100 ethernet controller */
266 static struct ax_plat_data anubis_asix_platdata = {
267 .flags = AXFLG_MAC_FROMDEV,
273 static struct resource anubis_asix_resource[] = {
274 [0] = DEFINE_RES_MEM(S3C2410_CS5, 0x20 * 0x20),
275 [1] = DEFINE_RES_IRQ(ANUBIS_IRQ_ASIX),
278 static struct platform_device anubis_device_asix = {
281 .num_resources = ARRAY_SIZE(anubis_asix_resource),
282 .resource = anubis_asix_resource,
284 .platform_data = &anubis_asix_platdata,
290 static struct resource anubis_sm501_resource[] = {
291 [0] = DEFINE_RES_MEM(S3C2410_CS2, SZ_8M),
292 [1] = DEFINE_RES_MEM(S3C2410_CS2 + SZ_64M - SZ_2M, SZ_2M),
293 [2] = DEFINE_RES_IRQ(IRQ_EINT0),
296 static struct sm501_initdata anubis_sm501_initdata = {
298 .set = 0x3F000000, /* 24bit panel */
302 .set = 0x010100, /* SDRAM timing */
306 .set = SM501_MISC_PNL_24BIT,
310 .devices = SM501_USE_GPIO,
312 /* set the SDRAM and bus clocks */
317 static struct sm501_platdata_gpio_i2c anubis_sm501_gpio_i2c[] = {
330 static struct sm501_platdata anubis_sm501_platdata = {
331 .init = &anubis_sm501_initdata,
333 .gpio_i2c = anubis_sm501_gpio_i2c,
334 .gpio_i2c_nr = ARRAY_SIZE(anubis_sm501_gpio_i2c),
337 static struct platform_device anubis_device_sm501 = {
340 .num_resources = ARRAY_SIZE(anubis_sm501_resource),
341 .resource = anubis_sm501_resource,
343 .platform_data = &anubis_sm501_platdata,
347 /* Standard Anubis devices */
349 static struct platform_device *anubis_devices[] __initdata = {
350 &s3c2410_device_dclk,
360 &anubis_device_sm501,
365 static struct i2c_board_info anubis_i2c_devs[] __initdata = {
367 I2C_BOARD_INFO("tps65011", 0x48),
373 static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = {
378 .amp_gpio = S3C2410_GPB(2),
379 .amp_gain[0] = S3C2410_GPD(10),
380 .amp_gain[1] = S3C2410_GPD(11),
383 static void __init anubis_map_io(void)
385 s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
386 s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
387 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
389 /* check for the newer revision boards with large page nand */
391 if ((__raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK) >= 4) {
392 printk(KERN_INFO "ANUBIS-B detected (revision %d)\n",
393 __raw_readb(ANUBIS_VA_IDREG) & ANUBIS_IDREG_REVMASK);
394 anubis_nand_sets[0].partitions = anubis_default_nand_part_large;
395 anubis_nand_sets[0].nr_partitions = ARRAY_SIZE(anubis_default_nand_part_large);
397 /* ensure that the GPIO is setup */
398 gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL);
399 gpio_free(S3C2410_GPA(0));
403 static void __init anubis_init_time(void)
405 s3c2440_init_clocks(12000000);
406 samsung_timer_init();
409 static void __init anubis_init(void)
411 s3c_i2c0_set_platdata(NULL);
412 s3c_nand_set_platdata(&anubis_nand_info);
413 simtec_audio_add(NULL, false, &anubis_audio);
415 platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices));
417 i2c_register_board_info(0, anubis_i2c_devs,
418 ARRAY_SIZE(anubis_i2c_devs));
422 MACHINE_START(ANUBIS, "Simtec-Anubis")
423 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
424 .atag_offset = 0x100,
425 .map_io = anubis_map_io,
426 .init_machine = anubis_init,
427 .init_irq = s3c2440_init_irq,
428 .init_time = anubis_init_time,