1 /* linux/arch/arm/mach-s3c64xx/mach-real6410.c
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/
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.
15 #include <linux/init.h>
16 #include <linux/interrupt.h>
18 #include <linux/gpio.h>
19 #include <linux/kernel.h>
20 #include <linux/list.h>
21 #include <linux/dm9000.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/platform_device.h>
25 #include <linux/serial_core.h>
26 #include <linux/serial_s3c.h>
27 #include <linux/types.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
34 #include <mach/regs-gpio.h>
35 #include <mach/gpio-samsung.h>
39 #include <plat/devs.h>
41 #include <linux/platform_data/mtd-nand-s3c2410.h>
42 #include <linux/platform_data/touchscreen-s3c2410.h>
44 #include <video/platform_lcd.h>
45 #include <video/samsung_fimd.h>
46 #include <plat/samsung-time.h>
49 #include "regs-modem.h"
50 #include "regs-srom.h"
52 #define UCON S3C2410_UCON_DEFAULT
53 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
54 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
56 static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = {
87 /* DM9000AEP 10/100 ethernet controller */
89 static struct resource real6410_dm9k_resource[] = {
90 [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),
96 static struct dm9000_plat_data real6410_dm9k_pdata = {
97 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
100 static struct platform_device real6410_device_eth = {
103 .num_resources = ARRAY_SIZE(real6410_dm9k_resource),
104 .resource = real6410_dm9k_resource,
106 .platform_data = &real6410_dm9k_pdata,
110 static struct s3c_fb_pd_win real6410_lcd_type0_fb_win = {
117 static struct fb_videomode real6410_lcd_type0_timing = {
127 static struct s3c_fb_pd_win real6410_lcd_type1_fb_win = {
134 static struct fb_videomode real6410_lcd_type1_timing = {
146 static struct s3c_fb_platdata real6410_lcd_pdata[] __initdata = {
148 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
149 .vtiming = &real6410_lcd_type0_timing,
150 .win[0] = &real6410_lcd_type0_fb_win,
151 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
152 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
154 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
155 .vtiming = &real6410_lcd_type1_timing,
156 .win[0] = &real6410_lcd_type1_fb_win,
157 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
158 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
163 static struct mtd_partition real6410_nand_part[] = {
176 .size = MTDPART_SIZ_FULL,
177 .offset = SZ_1M + SZ_2M,
181 static struct s3c2410_nand_set real6410_nand_sets[] = {
185 .nr_partitions = ARRAY_SIZE(real6410_nand_part),
186 .partitions = real6410_nand_part,
190 static struct s3c2410_platform_nand real6410_nand_info = {
194 .nr_sets = ARRAY_SIZE(real6410_nand_sets),
195 .sets = real6410_nand_sets,
198 static struct platform_device *real6410_devices[] __initdata = {
199 &real6410_device_eth,
209 static void __init real6410_map_io(void)
213 s3c64xx_init_io(NULL, 0);
214 s3c24xx_init_clocks(12000000);
215 s3c24xx_init_uarts(real6410_uartcfgs, ARRAY_SIZE(real6410_uartcfgs));
216 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
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);
224 /* remove the LCD bypass */
225 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
226 tmp &= ~MIFPCON_LCD_BYPASS;
227 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
231 * real6410_features string
233 * 0-9 LCD configuration
236 static char real6410_features_str[12] __initdata = "0";
238 static int __init real6410_features_setup(char *str)
241 strlcpy(real6410_features_str, str,
242 sizeof(real6410_features_str));
246 __setup("real6410=", real6410_features_setup);
248 #define FEATURE_SCREEN (1 << 0)
250 struct real6410_features_t {
255 static void real6410_parse_features(
256 struct real6410_features_t *features,
257 const char *features_str)
259 const char *fp = features_str;
262 features->lcd_index = 0;
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);
274 if (li >= ARRAY_SIZE(real6410_lcd_pdata))
275 printk(KERN_INFO "REAL6410: '%c' out "
276 "of range LCD mode\n", f);
278 features->lcd_index = li;
281 features->done |= FEATURE_SCREEN;
287 static void __init real6410_machine_init(void)
290 struct real6410_features_t features = { 0 };
292 printk(KERN_INFO "REAL6410: Option string real6410=%s\n",
293 real6410_features_str);
295 /* Parse the feature string */
296 real6410_parse_features(&features, real6410_features_str);
298 printk(KERN_INFO "REAL6410: selected LCD display is %dx%d\n",
299 real6410_lcd_pdata[features.lcd_index].win[0]->xres,
300 real6410_lcd_pdata[features.lcd_index].win[0]->yres);
302 s3c_fb_set_platdata(&real6410_lcd_pdata[features.lcd_index]);
303 s3c_nand_set_platdata(&real6410_nand_info);
304 s3c24xx_ts_set_platdata(NULL);
306 /* configure nCS1 width to 16 bits */
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);
316 /* set timing for nCS1 suitable for ethernet chip */
318 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
319 (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);
326 gpio_request(S3C64XX_GPF(15), "LCD power");
328 platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
331 MACHINE_START(REAL6410, "REAL6410")
332 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
333 .atag_offset = 0x100,
335 .init_irq = s3c6410_init_irq,
336 .map_io = real6410_map_io,
337 .init_machine = real6410_machine_init,
338 .init_late = s3c64xx_init_late,
339 .init_time = samsung_timer_init,
340 .restart = s3c64xx_restart,