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/types.h>
28 #include <asm/hardware/vic.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/regs-modem.h>
36 #include <mach/regs-srom.h>
40 #include <plat/devs.h>
42 #include <plat/nand.h>
43 #include <plat/regs-serial.h>
45 #include <plat/regs-fb-v4.h>
47 #include <video/platform_lcd.h>
51 #define UCON S3C2410_UCON_DEFAULT
52 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
53 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
55 static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = {
86 /* DM9000AEP 10/100 ethernet controller */
88 static struct resource real6410_dm9k_resource[] = {
89 [0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, 2),
90 [1] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1 + 4, 2),
91 [2] = DEFINE_RES_NAMED(S3C_EINT(7), 1, NULL, IORESOURCE_IRQ \
92 | IORESOURCE_IRQ_HIGHLEVEL),
95 static struct dm9000_plat_data real6410_dm9k_pdata = {
96 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
99 static struct platform_device real6410_device_eth = {
102 .num_resources = ARRAY_SIZE(real6410_dm9k_resource),
103 .resource = real6410_dm9k_resource,
105 .platform_data = &real6410_dm9k_pdata,
109 static struct s3c_fb_pd_win real6410_fb_win[] = {
111 .win_mode = { /* 4.3" 480x272 */
124 .win_mode = { /* 7.0" 800x480 */
139 static struct s3c_fb_platdata real6410_lcd_pdata __initdata = {
140 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
141 .win[0] = &real6410_fb_win[0],
142 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
143 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
146 static struct mtd_partition real6410_nand_part[] = {
159 .size = MTDPART_SIZ_FULL,
160 .offset = SZ_1M + SZ_2M,
164 static struct s3c2410_nand_set real6410_nand_sets[] = {
168 .nr_partitions = ARRAY_SIZE(real6410_nand_part),
169 .partitions = real6410_nand_part,
173 static struct s3c2410_platform_nand real6410_nand_info = {
177 .nr_sets = ARRAY_SIZE(real6410_nand_sets),
178 .sets = real6410_nand_sets,
181 static struct platform_device *real6410_devices[] __initdata = {
182 &real6410_device_eth,
192 static void __init real6410_map_io(void)
196 s3c64xx_init_io(NULL, 0);
197 s3c24xx_init_clocks(12000000);
198 s3c24xx_init_uarts(real6410_uartcfgs, ARRAY_SIZE(real6410_uartcfgs));
200 /* set the LCD type */
201 tmp = __raw_readl(S3C64XX_SPCON);
202 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
203 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
204 __raw_writel(tmp, S3C64XX_SPCON);
206 /* remove the LCD bypass */
207 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
208 tmp &= ~MIFPCON_LCD_BYPASS;
209 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
213 * real6410_features string
215 * 0-9 LCD configuration
218 static char real6410_features_str[12] __initdata = "0";
220 static int __init real6410_features_setup(char *str)
223 strlcpy(real6410_features_str, str,
224 sizeof(real6410_features_str));
228 __setup("real6410=", real6410_features_setup);
230 #define FEATURE_SCREEN (1 << 0)
232 struct real6410_features_t {
237 static void real6410_parse_features(
238 struct real6410_features_t *features,
239 const char *features_str)
241 const char *fp = features_str;
244 features->lcd_index = 0;
250 case '0'...'9': /* tft screen */
251 if (features->done & FEATURE_SCREEN) {
252 printk(KERN_INFO "REAL6410: '%c' ignored, "
253 "screen type already set\n", f);
256 if (li >= ARRAY_SIZE(real6410_fb_win))
257 printk(KERN_INFO "REAL6410: '%c' out "
258 "of range LCD mode\n", f);
260 features->lcd_index = li;
263 features->done |= FEATURE_SCREEN;
269 static void __init real6410_machine_init(void)
272 struct real6410_features_t features = { 0 };
274 printk(KERN_INFO "REAL6410: Option string real6410=%s\n",
275 real6410_features_str);
277 /* Parse the feature string */
278 real6410_parse_features(&features, real6410_features_str);
280 real6410_lcd_pdata.win[0] = &real6410_fb_win[features.lcd_index];
282 printk(KERN_INFO "REAL6410: selected LCD display is %dx%d\n",
283 real6410_lcd_pdata.win[0]->win_mode.xres,
284 real6410_lcd_pdata.win[0]->win_mode.yres);
286 s3c_fb_set_platdata(&real6410_lcd_pdata);
287 s3c_nand_set_platdata(&real6410_nand_info);
288 s3c24xx_ts_set_platdata(NULL);
290 /* configure nCS1 width to 16 bits */
292 cs1 = __raw_readl(S3C64XX_SROM_BW) &
293 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
294 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
295 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
296 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
297 S3C64XX_SROM_BW__NCS1__SHIFT;
298 __raw_writel(cs1, S3C64XX_SROM_BW);
300 /* set timing for nCS1 suitable for ethernet chip */
302 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
303 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
304 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
305 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
306 (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
307 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
308 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
310 gpio_request(S3C64XX_GPF(15), "LCD power");
312 platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
315 MACHINE_START(REAL6410, "REAL6410")
316 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
317 .atag_offset = 0x100,
319 .init_irq = s3c6410_init_irq,
320 .handle_irq = vic_handle_irq,
321 .map_io = real6410_map_io,
322 .init_machine = real6410_machine_init,
323 .timer = &s3c24xx_timer,
324 .restart = s3c64xx_restart,