blob: 2f6fdc32683524b45933f3173ee3fd7d6aacbda1 [file] [log] [blame]
Kukjin Kim507c4d62013-01-02 10:27:36 -08001/*
Ben Dooksccae9412009-11-13 22:54:14 +00002 * Copyright (c) 2005-2008 Simtec Electronics
Ben Dooks110d3222006-03-20 17:10:02 +00003 * http://armlinux.simtec.co.uk/
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9*/
10
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/interrupt.h>
14#include <linux/list.h>
15#include <linux/timer.h>
16#include <linux/init.h>
Ben Dooksec976d62009-05-13 22:52:24 +010017#include <linux/gpio.h>
Ben Dooks110d3222006-03-20 17:10:02 +000018#include <linux/device.h>
Rafael J. Wysockibb072c32011-04-22 22:03:21 +020019#include <linux/syscore_ops.h>
Ben Dooksb6d1f542006-12-17 23:22:26 +010020#include <linux/serial_core.h>
Tushar Behera334a1c72014-02-14 10:32:45 +090021#include <linux/serial_s3c.h>
Ben Dooksd96a9802008-04-16 00:12:39 +010022#include <linux/clk.h>
Ben Dooksf3374222008-07-03 11:24:40 +010023#include <linux/i2c.h>
Russell Kingfced80c2008-09-06 12:10:45 +010024#include <linux/io.h>
Heiko Stuebner083c8e22013-02-08 11:13:16 -080025#include <linux/platform_device.h>
Ben Dooks110d3222006-03-20 17:10:02 +000026
Ben Dooks4fa084a2009-11-13 22:34:21 +000027#include <linux/i2c/tps65010.h>
28
Kukjin Kim507c4d62013-01-02 10:27:36 -080029#include <asm/mach-types.h>
Ben Dooks110d3222006-03-20 17:10:02 +000030#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
Ben Dooks110d3222006-03-20 17:10:02 +000033#include <asm/irq.h>
Ben Dooks110d3222006-03-20 17:10:02 +000034
Arnd Bergmann436d42c2012-08-24 15:22:12 +020035#include <linux/platform_data/mtd-nand-s3c2410.h>
36#include <linux/platform_data/i2c-s3c2410.h>
Ben Dooks110d3222006-03-20 17:10:02 +000037
38#include <linux/mtd/mtd.h>
39#include <linux/mtd/nand.h>
40#include <linux/mtd/nand_ecc.h>
41#include <linux/mtd/partitions.h>
42
Ben Dooksa2b7ba92008-10-07 22:26:09 +010043#include <plat/cpu.h>
Kukjin Kim507c4d62013-01-02 10:27:36 -080044#include <plat/cpu-freq.h>
45#include <plat/devs.h>
46#include <plat/gpio-cfg.h>
Romain Naour7f78b6e2013-01-09 18:47:04 -080047#include <plat/samsung-time.h>
Kukjin Kim507c4d62013-01-02 10:27:36 -080048
49#include <mach/hardware.h>
50#include <mach/regs-gpio.h>
Kukjin Kim507c4d62013-01-02 10:27:36 -080051#include <mach/regs-lcd.h>
Linus Walleijb0161ca2014-01-14 14:24:24 +010052#include <mach/gpio-samsung.h>
Ben Dooks110d3222006-03-20 17:10:02 +000053
Kukjin Kimb27b0722012-01-03 14:02:03 +010054#include "common.h"
Kukjin Kim507c4d62013-01-02 10:27:36 -080055#include "osiris.h"
Kukjin Kim37c3adc2013-02-03 17:00:11 -080056#include "regs-mem.h"
Kukjin Kimb27b0722012-01-03 14:02:03 +010057
Simon Arlott6cbdc8c2007-05-11 20:40:30 +010058/* onboard perihperal map */
Ben Dooks110d3222006-03-20 17:10:02 +000059
60static struct map_desc osiris_iodesc[] __initdata = {
61 /* ISA IO areas (may be over-written later) */
62
63 {
64 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
65 .pfn = __phys_to_pfn(S3C2410_CS5),
66 .length = SZ_16M,
67 .type = MT_DEVICE,
68 }, {
69 .virtual = (u32)S3C24XX_VA_ISA_WORD,
70 .pfn = __phys_to_pfn(S3C2410_CS5),
71 .length = SZ_16M,
72 .type = MT_DEVICE,
73 },
74
75 /* CPLD control registers */
76
77 {
Ben Dooksc362aec2007-06-06 09:51:51 +010078 .virtual = (u32)OSIRIS_VA_CTRL0,
79 .pfn = __phys_to_pfn(OSIRIS_PA_CTRL0),
80 .length = SZ_16K,
81 .type = MT_DEVICE,
82 }, {
Ben Dooks110d3222006-03-20 17:10:02 +000083 .virtual = (u32)OSIRIS_VA_CTRL1,
84 .pfn = __phys_to_pfn(OSIRIS_PA_CTRL1),
85 .length = SZ_16K,
Ben Dooks705630d2006-07-26 20:16:39 +010086 .type = MT_DEVICE,
Ben Dooks110d3222006-03-20 17:10:02 +000087 }, {
88 .virtual = (u32)OSIRIS_VA_CTRL2,
89 .pfn = __phys_to_pfn(OSIRIS_PA_CTRL2),
90 .length = SZ_16K,
Ben Dooks705630d2006-07-26 20:16:39 +010091 .type = MT_DEVICE,
Ben Dooksc362aec2007-06-06 09:51:51 +010092 }, {
93 .virtual = (u32)OSIRIS_VA_IDREG,
94 .pfn = __phys_to_pfn(OSIRIS_PA_IDREG),
95 .length = SZ_16K,
96 .type = MT_DEVICE,
Ben Dooks110d3222006-03-20 17:10:02 +000097 },
98};
99
100#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
101#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
102#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
103
Ben Dooks66a9b492006-06-18 23:04:05 +0100104static struct s3c2410_uartcfg osiris_uartcfgs[] __initdata = {
Ben Dooks110d3222006-03-20 17:10:02 +0000105 [0] = {
106 .hwport = 0,
107 .flags = 0,
108 .ucon = UCON,
109 .ulcon = ULCON,
110 .ufcon = UFCON,
Thomas Abrahamafba7f92011-10-24 11:47:51 +0200111 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
Ben Dooks110d3222006-03-20 17:10:02 +0000112 },
113 [1] = {
Ben Dookse2e58102006-06-18 16:21:50 +0100114 .hwport = 1,
Ben Dooks110d3222006-03-20 17:10:02 +0000115 .flags = 0,
116 .ucon = UCON,
117 .ulcon = ULCON,
118 .ufcon = UFCON,
Thomas Abrahamafba7f92011-10-24 11:47:51 +0200119 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
Ben Dooks110d3222006-03-20 17:10:02 +0000120 },
Ben Dooksca7aa4d2006-12-07 20:49:01 +0100121 [2] = {
122 .hwport = 2,
123 .flags = 0,
124 .ucon = UCON,
125 .ulcon = ULCON,
126 .ufcon = UFCON,
Thomas Abrahamafba7f92011-10-24 11:47:51 +0200127 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
Ben Dooksca7aa4d2006-12-07 20:49:01 +0100128 }
Ben Dooks110d3222006-03-20 17:10:02 +0000129};
130
131/* NAND Flash on Osiris board */
132
133static int external_map[] = { 2 };
134static int chip0_map[] = { 0 };
135static int chip1_map[] = { 1 };
136
Ben Dooks2a3a1802009-09-28 13:59:49 +0300137static struct mtd_partition __initdata osiris_default_nand_part[] = {
Ben Dooks110d3222006-03-20 17:10:02 +0000138 [0] = {
139 .name = "Boot Agent",
140 .size = SZ_16K,
Ben Dooks705630d2006-07-26 20:16:39 +0100141 .offset = 0,
Ben Dooks110d3222006-03-20 17:10:02 +0000142 },
143 [1] = {
144 .name = "/boot",
145 .size = SZ_4M - SZ_16K,
146 .offset = SZ_16K,
147 },
148 [2] = {
149 .name = "user1",
150 .offset = SZ_4M,
151 .size = SZ_32M - SZ_4M,
152 },
153 [3] = {
154 .name = "user2",
155 .offset = SZ_32M,
156 .size = MTDPART_SIZ_FULL,
157 }
158};
159
Ben Dooks2a3a1802009-09-28 13:59:49 +0300160static struct mtd_partition __initdata osiris_default_nand_part_large[] = {
Ben Dooks3c3e69c2007-07-12 10:57:37 +0100161 [0] = {
162 .name = "Boot Agent",
163 .size = SZ_128K,
164 .offset = 0,
165 },
166 [1] = {
167 .name = "/boot",
168 .size = SZ_4M - SZ_128K,
169 .offset = SZ_128K,
170 },
171 [2] = {
172 .name = "user1",
173 .offset = SZ_4M,
174 .size = SZ_32M - SZ_4M,
175 },
176 [3] = {
177 .name = "user2",
178 .offset = SZ_32M,
179 .size = MTDPART_SIZ_FULL,
180 }
181};
182
Ben Dooks110d3222006-03-20 17:10:02 +0000183/* the Osiris has 3 selectable slots for nand-flash, the two
184 * on-board chip areas, as well as the external slot.
185 *
186 * Note, there is no current hot-plug support for the External
187 * socket.
188*/
189
Ben Dooks2a3a1802009-09-28 13:59:49 +0300190static struct s3c2410_nand_set __initdata osiris_nand_sets[] = {
Ben Dooks110d3222006-03-20 17:10:02 +0000191 [1] = {
192 .name = "External",
193 .nr_chips = 1,
194 .nr_map = external_map,
Ben Dooksd9237382009-12-23 19:25:01 +0000195 .options = NAND_SCAN_SILENT_NODEV,
Ben Dooks110d3222006-03-20 17:10:02 +0000196 .nr_partitions = ARRAY_SIZE(osiris_default_nand_part),
Ben Dooks705630d2006-07-26 20:16:39 +0100197 .partitions = osiris_default_nand_part,
Ben Dooks110d3222006-03-20 17:10:02 +0000198 },
199 [0] = {
200 .name = "chip0",
201 .nr_chips = 1,
202 .nr_map = chip0_map,
203 .nr_partitions = ARRAY_SIZE(osiris_default_nand_part),
Ben Dooks705630d2006-07-26 20:16:39 +0100204 .partitions = osiris_default_nand_part,
Ben Dooks110d3222006-03-20 17:10:02 +0000205 },
206 [2] = {
207 .name = "chip1",
208 .nr_chips = 1,
209 .nr_map = chip1_map,
Ben Dooksd9237382009-12-23 19:25:01 +0000210 .options = NAND_SCAN_SILENT_NODEV,
Ben Dooks110d3222006-03-20 17:10:02 +0000211 .nr_partitions = ARRAY_SIZE(osiris_default_nand_part),
Ben Dooks705630d2006-07-26 20:16:39 +0100212 .partitions = osiris_default_nand_part,
Ben Dooks110d3222006-03-20 17:10:02 +0000213 },
214};
215
216static void osiris_nand_select(struct s3c2410_nand_set *set, int slot)
217{
218 unsigned int tmp;
219
220 slot = set->nr_map[slot] & 3;
221
222 pr_debug("osiris_nand: selecting slot %d (set %p,%p)\n",
223 slot, set, set->nr_map);
224
Ben Dooksc362aec2007-06-06 09:51:51 +0100225 tmp = __raw_readb(OSIRIS_VA_CTRL0);
226 tmp &= ~OSIRIS_CTRL0_NANDSEL;
Ben Dooks110d3222006-03-20 17:10:02 +0000227 tmp |= slot;
228
Ben Dooksc362aec2007-06-06 09:51:51 +0100229 pr_debug("osiris_nand: ctrl0 now %02x\n", tmp);
Ben Dooks110d3222006-03-20 17:10:02 +0000230
Ben Dooksc362aec2007-06-06 09:51:51 +0100231 __raw_writeb(tmp, OSIRIS_VA_CTRL0);
Ben Dooks110d3222006-03-20 17:10:02 +0000232}
233
Ben Dooks2a3a1802009-09-28 13:59:49 +0300234static struct s3c2410_platform_nand __initdata osiris_nand_info = {
Ben Dooks110d3222006-03-20 17:10:02 +0000235 .tacls = 25,
236 .twrph0 = 60,
237 .twrph1 = 60,
238 .nr_sets = ARRAY_SIZE(osiris_nand_sets),
239 .sets = osiris_nand_sets,
240 .select_chip = osiris_nand_select,
241};
242
243/* PCMCIA control and configuration */
244
245static struct resource osiris_pcmcia_resource[] = {
Tushar Behera5ff27142012-05-13 06:47:07 +0900246 [0] = DEFINE_RES_MEM(0x0f000000, SZ_1M),
247 [1] = DEFINE_RES_MEM(0x0c000000, SZ_1M),
Ben Dooks110d3222006-03-20 17:10:02 +0000248};
249
250static struct platform_device osiris_pcmcia = {
251 .name = "osiris-pcmcia",
252 .id = -1,
253 .num_resources = ARRAY_SIZE(osiris_pcmcia_resource),
254 .resource = osiris_pcmcia_resource,
255};
256
Ben Dooks5698bd22007-06-06 10:36:09 +0100257/* Osiris power management device */
258
259#ifdef CONFIG_PM
260static unsigned char pm_osiris_ctrl0;
261
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200262static int osiris_pm_suspend(void)
Ben Dooks5698bd22007-06-06 10:36:09 +0100263{
Ben Dooks28047ec2007-10-04 23:16:42 +0100264 unsigned int tmp;
265
Ben Dooks5698bd22007-06-06 10:36:09 +0100266 pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0);
Ben Dooks28047ec2007-10-04 23:16:42 +0100267 tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL;
268
269 /* ensure correct NAND slot is selected on resume */
270 if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0)
271 tmp |= 2;
272
273 __raw_writeb(tmp, OSIRIS_VA_CTRL0);
274
Ben Dooks4afcdda2007-10-04 23:18:08 +0100275 /* ensure that an nRESET is not generated on resume. */
Sylwester Nawrocki42aa3222012-08-28 09:06:49 -0700276 gpio_request_one(S3C2410_GPA(21), GPIOF_OUT_INIT_HIGH, NULL);
277 gpio_free(S3C2410_GPA(21));
Ben Dooks4afcdda2007-10-04 23:18:08 +0100278
Ben Dooks5698bd22007-06-06 10:36:09 +0100279 return 0;
280}
281
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200282static void osiris_pm_resume(void)
Ben Dooks5698bd22007-06-06 10:36:09 +0100283{
284 if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8)
285 __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1);
286
Ben Dooks28047ec2007-10-04 23:16:42 +0100287 __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0);
288
Ben Dooks40b956f2010-05-04 14:38:49 +0900289 s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
Ben Dooks5698bd22007-06-06 10:36:09 +0100290}
291
292#else
293#define osiris_pm_suspend NULL
294#define osiris_pm_resume NULL
295#endif
296
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200297static struct syscore_ops osiris_pm_syscore_ops = {
Ben Dooks5698bd22007-06-06 10:36:09 +0100298 .suspend = osiris_pm_suspend,
299 .resume = osiris_pm_resume,
300};
301
Ben Dooks4fa084a2009-11-13 22:34:21 +0000302/* Link for DVS driver to TPS65011 */
303
304static void osiris_tps_release(struct device *dev)
305{
306 /* static device, do not need to release anything */
307}
308
309static struct platform_device osiris_tps_device = {
310 .name = "osiris-dvs",
311 .id = -1,
312 .dev.release = osiris_tps_release,
313};
314
315static int osiris_tps_setup(struct i2c_client *client, void *context)
316{
317 osiris_tps_device.dev.parent = &client->dev;
318 return platform_device_register(&osiris_tps_device);
319}
320
321static int osiris_tps_remove(struct i2c_client *client, void *context)
322{
323 platform_device_unregister(&osiris_tps_device);
324 return 0;
325}
326
327static struct tps65010_board osiris_tps_board = {
328 .base = -1, /* GPIO can go anywhere at the moment */
329 .setup = osiris_tps_setup,
330 .teardown = osiris_tps_remove,
331};
332
Ben Dooksf3374222008-07-03 11:24:40 +0100333/* I2C devices fitted. */
334
335static struct i2c_board_info osiris_i2c_devs[] __initdata = {
336 {
337 I2C_BOARD_INFO("tps65011", 0x48),
338 .irq = IRQ_EINT20,
Ben Dooks4fa084a2009-11-13 22:34:21 +0000339 .platform_data = &osiris_tps_board,
Ben Dooksf3374222008-07-03 11:24:40 +0100340 },
341};
342
Ben Dooks110d3222006-03-20 17:10:02 +0000343/* Standard Osiris devices */
344
345static struct platform_device *osiris_devices[] __initdata = {
Heiko Stuebner51cb1282014-05-09 05:48:57 +0900346 &s3c2410_device_dclk,
Ben Dooks3e1b7762008-10-31 16:14:40 +0000347 &s3c_device_i2c0,
Ben Dooks55ba86b2007-06-06 09:53:00 +0100348 &s3c_device_wdt,
Ben Dooks110d3222006-03-20 17:10:02 +0000349 &s3c_device_nand,
350 &osiris_pcmcia,
351};
352
Ben Dooksbaf6b282009-07-30 23:23:32 +0100353static struct s3c_cpufreq_board __initdata osiris_cpufreq = {
354 .refresh = 7800, /* refresh period is 7.8usec */
355 .auto_io = 1,
356 .need_io = 1,
357};
358
Ben Dooksda956fd2006-03-20 21:02:39 +0000359static void __init osiris_map_io(void)
Ben Dooks110d3222006-03-20 17:10:02 +0000360{
Ben Dooksda956fd2006-03-20 21:02:39 +0000361 unsigned long flags;
362
Ben Dooks110d3222006-03-20 17:10:02 +0000363 s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc));
Ben Dooks110d3222006-03-20 17:10:02 +0000364 s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs));
Romain Naour7f78b6e2013-01-09 18:47:04 -0800365 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
Ben Dooks110d3222006-03-20 17:10:02 +0000366
Ben Dooks3c3e69c2007-07-12 10:57:37 +0100367 /* check for the newer revision boards with large page nand */
368
369 if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) {
370 printk(KERN_INFO "OSIRIS-B detected (revision %d)\n",
371 __raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK);
372 osiris_nand_sets[0].partitions = osiris_default_nand_part_large;
373 osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large);
374 } else {
375 /* write-protect line to the NAND */
Sylwester Nawrocki42aa3222012-08-28 09:06:49 -0700376 gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL);
377 gpio_free(S3C2410_GPA(0));
Ben Dooks3c3e69c2007-07-12 10:57:37 +0100378 }
379
Ben Dooks110d3222006-03-20 17:10:02 +0000380 /* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */
Ben Dooksda956fd2006-03-20 21:02:39 +0000381
382 local_irq_save(flags);
Ben Dooks110d3222006-03-20 17:10:02 +0000383 __raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON);
Ben Dooksda956fd2006-03-20 21:02:39 +0000384 local_irq_restore(flags);
Ben Dooks110d3222006-03-20 17:10:02 +0000385}
386
Heiko Stuebnera28d6182014-05-09 05:49:19 +0900387static void __init osiris_init_time(void)
388{
389 s3c2440_init_clocks(12000000);
390 samsung_timer_init();
391}
392
Ben Dooks57e51712007-04-20 11:19:16 +0100393static void __init osiris_init(void)
394{
Rafael J. Wysockibb072c32011-04-22 22:03:21 +0200395 register_syscore_ops(&osiris_pm_syscore_ops);
Ben Dooks5698bd22007-06-06 10:36:09 +0100396
Ben Dooks3e1b7762008-10-31 16:14:40 +0000397 s3c_i2c0_set_platdata(NULL);
Ben Dooks2a3a1802009-09-28 13:59:49 +0300398 s3c_nand_set_platdata(&osiris_nand_info);
Ben Dooks3e1b7762008-10-31 16:14:40 +0000399
Ben Dooksbaf6b282009-07-30 23:23:32 +0100400 s3c_cpufreq_setboard(&osiris_cpufreq);
401
Ben Dooksf3374222008-07-03 11:24:40 +0100402 i2c_register_board_info(0, osiris_i2c_devs,
403 ARRAY_SIZE(osiris_i2c_devs));
404
Ben Dooks57e51712007-04-20 11:19:16 +0100405 platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices));
406};
407
Ben Dooks110d3222006-03-20 17:10:02 +0000408MACHINE_START(OSIRIS, "Simtec-OSIRIS")
409 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
Nicolas Pitre69d50712011-07-05 22:38:17 -0400410 .atag_offset = 0x100,
Ben Dooks110d3222006-03-20 17:10:02 +0000411 .map_io = osiris_map_io,
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800412 .init_irq = s3c2440_init_irq,
Ben Dooks5698bd22007-06-06 10:36:09 +0100413 .init_machine = osiris_init,
Heiko Stuebnera28d6182014-05-09 05:49:19 +0900414 .init_time = osiris_init_time,
Ben Dooks110d3222006-03-20 17:10:02 +0000415MACHINE_END