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Darius Auguliseab5cfa2010-07-28 23:03:43 +03001/* linux/arch/arm/mach-s3c64xx/mach-real6410.c
2 *
3 * Copyright 2010 Darius Augulis <augulis.darius@gmail.com>
4 * Copyright 2008 Openmoko, Inc.
5 * Copyright 2008 Simtec Electronics
6 * Ben Dooks <ben@simtec.co.uk>
7 * http://armlinux.simtec.co.uk/
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13*/
14
Darius Auguliseab5cfa2010-07-28 23:03:43 +030015#include <linux/init.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090016#include <linux/interrupt.h>
17#include <linux/fb.h>
18#include <linux/gpio.h>
19#include <linux/kernel.h>
20#include <linux/list.h>
Darius Augulisff266c02010-08-01 23:38:43 +030021#include <linux/dm9000.h>
Darius Augulis88fbade2010-10-19 13:52:32 +090022#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
Darius Auguliseab5cfa2010-07-28 23:03:43 +030024#include <linux/platform_device.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090025#include <linux/serial_core.h>
Tushar Behera334a1c72014-02-14 10:32:45 +090026#include <linux/serial_s3c.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090027#include <linux/types.h>
28
Darius Auguliseab5cfa2010-07-28 23:03:43 +030029#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090032
Darius Auguliseab5cfa2010-07-28 23:03:43 +030033#include <mach/map.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090034#include <mach/regs-gpio.h>
Linus Walleijb0161ca2014-01-14 14:24:24 +010035#include <mach/gpio-samsung.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090036
Darius Augulis4374c452010-10-19 13:52:34 +090037#include <plat/adc.h>
Darius Auguliseab5cfa2010-07-28 23:03:43 +030038#include <plat/cpu.h>
Darius Augulisce611d72010-08-02 01:39:25 +030039#include <plat/devs.h>
Darius Augulisc115f67c2010-10-19 13:52:29 +090040#include <plat/fb.h>
Arnd Bergmann436d42c2012-08-24 15:22:12 +020041#include <linux/platform_data/mtd-nand-s3c2410.h>
Arnd Bergmann436d42c2012-08-24 15:22:12 +020042#include <linux/platform_data/touchscreen-s3c2410.h>
Darius Auguliseab5cfa2010-07-28 23:03:43 +030043
Darius Augulisc115f67c2010-10-19 13:52:29 +090044#include <video/platform_lcd.h>
Leela Krishna Amudala5a213a52012-08-08 09:44:49 +090045#include <video/samsung_fimd.h>
Romain Naour04a49b72013-01-09 18:47:04 -080046#include <plat/samsung-time.h>
Darius Auguliseab5cfa2010-07-28 23:03:43 +030047
Kukjin Kimb024043b2011-12-22 23:27:42 +010048#include "common.h"
Kukjin Kima81c1972013-01-02 13:24:12 -080049#include "regs-modem.h"
Kukjin Kim8eba8ea2013-01-02 13:26:25 -080050#include "regs-srom.h"
Kukjin Kimb024043b2011-12-22 23:27:42 +010051
Darius Augulis8b8c87d2010-11-16 18:08:50 +090052#define UCON S3C2410_UCON_DEFAULT
Darius Augulis591cd252010-09-09 21:40:22 +090053#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
54#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
Darius Auguliseab5cfa2010-07-28 23:03:43 +030055
56static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = {
57 [0] = {
Darius Augulis591cd252010-09-09 21:40:22 +090058 .hwport = 0,
59 .flags = 0,
60 .ucon = UCON,
61 .ulcon = ULCON,
62 .ufcon = UFCON,
Darius Auguliseab5cfa2010-07-28 23:03:43 +030063 },
64 [1] = {
Darius Augulis591cd252010-09-09 21:40:22 +090065 .hwport = 1,
66 .flags = 0,
67 .ucon = UCON,
68 .ulcon = ULCON,
69 .ufcon = UFCON,
Darius Auguliseab5cfa2010-07-28 23:03:43 +030070 },
71 [2] = {
Darius Augulis591cd252010-09-09 21:40:22 +090072 .hwport = 2,
73 .flags = 0,
74 .ucon = UCON,
75 .ulcon = ULCON,
76 .ufcon = UFCON,
Darius Auguliseab5cfa2010-07-28 23:03:43 +030077 },
78 [3] = {
Darius Augulis591cd252010-09-09 21:40:22 +090079 .hwport = 3,
80 .flags = 0,
81 .ucon = UCON,
82 .ulcon = ULCON,
83 .ufcon = UFCON,
Darius Auguliseab5cfa2010-07-28 23:03:43 +030084 },
85};
86
Darius Augulisff266c02010-08-01 23:38:43 +030087/* DM9000AEP 10/100 ethernet controller */
88
89static struct resource real6410_dm9k_resource[] = {
Tushar Beheraae03a332012-05-12 16:12:29 +090090 [0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, 2),
91 [1] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1 + 4, 2),
92 [2] = DEFINE_RES_NAMED(S3C_EINT(7), 1, NULL, IORESOURCE_IRQ \
93 | IORESOURCE_IRQ_HIGHLEVEL),
Darius Augulisff266c02010-08-01 23:38:43 +030094};
95
96static struct dm9000_plat_data real6410_dm9k_pdata = {
Darius Augulis591cd252010-09-09 21:40:22 +090097 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
Darius Augulisff266c02010-08-01 23:38:43 +030098};
99
100static struct platform_device real6410_device_eth = {
Darius Augulis591cd252010-09-09 21:40:22 +0900101 .name = "dm9000",
102 .id = -1,
103 .num_resources = ARRAY_SIZE(real6410_dm9k_resource),
104 .resource = real6410_dm9k_resource,
105 .dev = {
106 .platform_data = &real6410_dm9k_pdata,
107 },
Darius Augulisff266c02010-08-01 23:38:43 +0300108};
109
Thomas Abraham884924b2012-03-24 21:58:47 +0530110static struct s3c_fb_pd_win real6410_lcd_type0_fb_win = {
Thomas Abraham884924b2012-03-24 21:58:47 +0530111 .max_bpp = 32,
112 .default_bpp = 16,
Thomas Abraham79d3c412012-03-24 21:58:48 +0530113 .xres = 480,
114 .yres = 272,
Darius Augulisc115f67c2010-10-19 13:52:29 +0900115};
116
Thomas Abraham79d3c412012-03-24 21:58:48 +0530117static struct fb_videomode real6410_lcd_type0_timing = {
118 /* 4.3" 480x272 */
119 .left_margin = 3,
120 .right_margin = 2,
121 .upper_margin = 1,
122 .lower_margin = 1,
123 .hsync_len = 40,
124 .vsync_len = 1,
Darius Augulisc115f67c2010-10-19 13:52:29 +0900125};
126
Thomas Abraham884924b2012-03-24 21:58:47 +0530127static struct s3c_fb_pd_win real6410_lcd_type1_fb_win = {
Thomas Abraham884924b2012-03-24 21:58:47 +0530128 .max_bpp = 32,
129 .default_bpp = 16,
Thomas Abraham79d3c412012-03-24 21:58:48 +0530130 .xres = 800,
131 .yres = 480,
132};
133
134static struct fb_videomode real6410_lcd_type1_timing = {
135 /* 7.0" 800x480 */
136 .left_margin = 8,
137 .right_margin = 13,
138 .upper_margin = 7,
139 .lower_margin = 5,
140 .hsync_len = 3,
141 .vsync_len = 1,
142 .xres = 800,
143 .yres = 480,
Thomas Abraham884924b2012-03-24 21:58:47 +0530144};
145
146static struct s3c_fb_platdata real6410_lcd_pdata[] __initdata = {
147 {
148 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
Thomas Abraham79d3c412012-03-24 21:58:48 +0530149 .vtiming = &real6410_lcd_type0_timing,
Thomas Abraham884924b2012-03-24 21:58:47 +0530150 .win[0] = &real6410_lcd_type0_fb_win,
151 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
152 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
153 }, {
154 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
Thomas Abraham79d3c412012-03-24 21:58:48 +0530155 .vtiming = &real6410_lcd_type1_timing,
Thomas Abraham884924b2012-03-24 21:58:47 +0530156 .win[0] = &real6410_lcd_type1_fb_win,
157 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
158 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
159 },
160 { },
Darius Augulisc115f67c2010-10-19 13:52:29 +0900161};
162
Darius Augulis88fbade2010-10-19 13:52:32 +0900163static struct mtd_partition real6410_nand_part[] = {
164 [0] = {
165 .name = "uboot",
166 .size = SZ_1M,
167 .offset = 0,
168 },
169 [1] = {
170 .name = "kernel",
171 .size = SZ_2M,
172 .offset = SZ_1M,
173 },
174 [2] = {
175 .name = "rootfs",
176 .size = MTDPART_SIZ_FULL,
177 .offset = SZ_1M + SZ_2M,
178 },
179};
180
181static struct s3c2410_nand_set real6410_nand_sets[] = {
182 [0] = {
183 .name = "nand",
184 .nr_chips = 1,
185 .nr_partitions = ARRAY_SIZE(real6410_nand_part),
186 .partitions = real6410_nand_part,
187 },
188};
189
190static struct s3c2410_platform_nand real6410_nand_info = {
191 .tacls = 25,
192 .twrph0 = 55,
193 .twrph1 = 40,
194 .nr_sets = ARRAY_SIZE(real6410_nand_sets),
195 .sets = real6410_nand_sets,
196};
197
Darius Augulisff266c02010-08-01 23:38:43 +0300198static struct platform_device *real6410_devices[] __initdata = {
199 &real6410_device_eth,
Darius Augulisce611d72010-08-02 01:39:25 +0300200 &s3c_device_hsmmc0,
201 &s3c_device_hsmmc1,
Darius Augulisc115f67c2010-10-19 13:52:29 +0900202 &s3c_device_fb,
Darius Augulis88fbade2010-10-19 13:52:32 +0900203 &s3c_device_nand,
Darius Augulis4374c452010-10-19 13:52:34 +0900204 &s3c_device_adc,
205 &s3c_device_ts,
Darius Augulis10dcc7a2010-10-19 13:52:37 +0900206 &s3c_device_ohci,
Darius Augulis4374c452010-10-19 13:52:34 +0900207};
208
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300209static void __init real6410_map_io(void)
210{
Darius Augulisc115f67c2010-10-19 13:52:29 +0900211 u32 tmp;
212
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300213 s3c64xx_init_io(NULL, 0);
214 s3c24xx_init_clocks(12000000);
215 s3c24xx_init_uarts(real6410_uartcfgs, ARRAY_SIZE(real6410_uartcfgs));
Romain Naour04a49b72013-01-09 18:47:04 -0800216 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
Darius Augulisc115f67c2010-10-19 13:52:29 +0900217
218 /* set the LCD type */
219 tmp = __raw_readl(S3C64XX_SPCON);
220 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
221 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
222 __raw_writel(tmp, S3C64XX_SPCON);
223
224 /* remove the LCD bypass */
225 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
226 tmp &= ~MIFPCON_LCD_BYPASS;
227 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
228}
229
230/*
231 * real6410_features string
232 *
233 * 0-9 LCD configuration
234 *
235 */
236static char real6410_features_str[12] __initdata = "0";
237
238static int __init real6410_features_setup(char *str)
239{
240 if (str)
241 strlcpy(real6410_features_str, str,
242 sizeof(real6410_features_str));
243 return 1;
244}
245
246__setup("real6410=", real6410_features_setup);
247
248#define FEATURE_SCREEN (1 << 0)
249
250struct real6410_features_t {
251 int done;
252 int lcd_index;
253};
254
255static void real6410_parse_features(
256 struct real6410_features_t *features,
257 const char *features_str)
258{
259 const char *fp = features_str;
260
261 features->done = 0;
262 features->lcd_index = 0;
263
264 while (*fp) {
265 char f = *fp++;
266
267 switch (f) {
268 case '0'...'9': /* tft screen */
269 if (features->done & FEATURE_SCREEN) {
270 printk(KERN_INFO "REAL6410: '%c' ignored, "
271 "screen type already set\n", f);
272 } else {
273 int li = f - '0';
Thomas Abraham884924b2012-03-24 21:58:47 +0530274 if (li >= ARRAY_SIZE(real6410_lcd_pdata))
Darius Augulisc115f67c2010-10-19 13:52:29 +0900275 printk(KERN_INFO "REAL6410: '%c' out "
276 "of range LCD mode\n", f);
277 else {
278 features->lcd_index = li;
279 }
280 }
281 features->done |= FEATURE_SCREEN;
282 break;
283 }
284 }
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300285}
286
287static void __init real6410_machine_init(void)
288{
Darius Augulisff266c02010-08-01 23:38:43 +0300289 u32 cs1;
Darius Augulisc115f67c2010-10-19 13:52:29 +0900290 struct real6410_features_t features = { 0 };
291
292 printk(KERN_INFO "REAL6410: Option string real6410=%s\n",
293 real6410_features_str);
294
295 /* Parse the feature string */
296 real6410_parse_features(&features, real6410_features_str);
297
Darius Augulisc115f67c2010-10-19 13:52:29 +0900298 printk(KERN_INFO "REAL6410: selected LCD display is %dx%d\n",
Thomas Abraham79d3c412012-03-24 21:58:48 +0530299 real6410_lcd_pdata[features.lcd_index].win[0]->xres,
300 real6410_lcd_pdata[features.lcd_index].win[0]->yres);
Darius Augulisc115f67c2010-10-19 13:52:29 +0900301
Thomas Abraham884924b2012-03-24 21:58:47 +0530302 s3c_fb_set_platdata(&real6410_lcd_pdata[features.lcd_index]);
Darius Augulis88fbade2010-10-19 13:52:32 +0900303 s3c_nand_set_platdata(&real6410_nand_info);
Naveen Krishna Chatradhi08047652011-08-19 21:56:10 +0900304 s3c24xx_ts_set_platdata(NULL);
Darius Augulisff266c02010-08-01 23:38:43 +0300305
306 /* configure nCS1 width to 16 bits */
307
308 cs1 = __raw_readl(S3C64XX_SROM_BW) &
309 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
310 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
311 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
312 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
313 S3C64XX_SROM_BW__NCS1__SHIFT;
314 __raw_writel(cs1, S3C64XX_SROM_BW);
315
316 /* set timing for nCS1 suitable for ethernet chip */
317
318 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
Darius Augulis591cd252010-09-09 21:40:22 +0900319 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
320 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
321 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
322 (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
323 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
324 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
Darius Augulisff266c02010-08-01 23:38:43 +0300325
Darius Augulisc115f67c2010-10-19 13:52:29 +0900326 gpio_request(S3C64XX_GPF(15), "LCD power");
327
Darius Augulisff266c02010-08-01 23:38:43 +0300328 platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300329}
330
331MACHINE_START(REAL6410, "REAL6410")
332 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
Nicolas Pitre170a5902011-07-05 22:38:17 -0400333 .atag_offset = 0x100,
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300334
335 .init_irq = s3c6410_init_irq,
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300336 .map_io = real6410_map_io,
337 .init_machine = real6410_machine_init,
Romain Naour04a49b72013-01-09 18:47:04 -0800338 .init_time = samsung_timer_init,
Kukjin Kimff84ded2012-01-03 14:03:30 +0100339 .restart = s3c64xx_restart,
Darius Auguliseab5cfa2010-07-28 23:03:43 +0300340MACHINE_END