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_lcd_type0_fb_win = {
116 static struct fb_videomode real6410_lcd_type0_timing = {
126 static struct s3c_fb_pd_win real6410_lcd_type1_fb_win = {
133 static struct fb_videomode real6410_lcd_type1_timing = {
145 static struct s3c_fb_platdata real6410_lcd_pdata[] __initdata = {
147 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
148 .vtiming = &real6410_lcd_type0_timing,
149 .win[0] = &real6410_lcd_type0_fb_win,
150 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
151 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
153 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
154 .vtiming = &real6410_lcd_type1_timing,
155 .win[0] = &real6410_lcd_type1_fb_win,
156 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
157 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
162 static struct mtd_partition real6410_nand_part[] = {
175 .size = MTDPART_SIZ_FULL,
176 .offset = SZ_1M + SZ_2M,
180 static struct s3c2410_nand_set real6410_nand_sets[] = {
184 .nr_partitions = ARRAY_SIZE(real6410_nand_part),
185 .partitions = real6410_nand_part,
189 static struct s3c2410_platform_nand real6410_nand_info = {
193 .nr_sets = ARRAY_SIZE(real6410_nand_sets),
194 .sets = real6410_nand_sets,
197 static struct platform_device *real6410_devices[] __initdata = {
198 &real6410_device_eth,
208 static void __init real6410_map_io(void)
212 s3c64xx_init_io(NULL, 0);
213 s3c24xx_init_clocks(12000000);
214 s3c24xx_init_uarts(real6410_uartcfgs, ARRAY_SIZE(real6410_uartcfgs));
216 /* set the LCD type */
217 tmp = __raw_readl(S3C64XX_SPCON);
218 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
219 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
220 __raw_writel(tmp, S3C64XX_SPCON);
222 /* remove the LCD bypass */
223 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
224 tmp &= ~MIFPCON_LCD_BYPASS;
225 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
229 * real6410_features string
231 * 0-9 LCD configuration
234 static char real6410_features_str[12] __initdata = "0";
236 static int __init real6410_features_setup(char *str)
239 strlcpy(real6410_features_str, str,
240 sizeof(real6410_features_str));
244 __setup("real6410=", real6410_features_setup);
246 #define FEATURE_SCREEN (1 << 0)
248 struct real6410_features_t {
253 static void real6410_parse_features(
254 struct real6410_features_t *features,
255 const char *features_str)
257 const char *fp = features_str;
260 features->lcd_index = 0;
266 case '0'...'9': /* tft screen */
267 if (features->done & FEATURE_SCREEN) {
268 printk(KERN_INFO "REAL6410: '%c' ignored, "
269 "screen type already set\n", f);
272 if (li >= ARRAY_SIZE(real6410_lcd_pdata))
273 printk(KERN_INFO "REAL6410: '%c' out "
274 "of range LCD mode\n", f);
276 features->lcd_index = li;
279 features->done |= FEATURE_SCREEN;
285 static void __init real6410_machine_init(void)
288 struct real6410_features_t features = { 0 };
290 printk(KERN_INFO "REAL6410: Option string real6410=%s\n",
291 real6410_features_str);
293 /* Parse the feature string */
294 real6410_parse_features(&features, real6410_features_str);
296 printk(KERN_INFO "REAL6410: selected LCD display is %dx%d\n",
297 real6410_lcd_pdata[features.lcd_index].win[0]->xres,
298 real6410_lcd_pdata[features.lcd_index].win[0]->yres);
300 s3c_fb_set_platdata(&real6410_lcd_pdata[features.lcd_index]);
301 s3c_nand_set_platdata(&real6410_nand_info);
302 s3c24xx_ts_set_platdata(NULL);
304 /* configure nCS1 width to 16 bits */
306 cs1 = __raw_readl(S3C64XX_SROM_BW) &
307 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
308 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
309 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
310 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
311 S3C64XX_SROM_BW__NCS1__SHIFT;
312 __raw_writel(cs1, S3C64XX_SROM_BW);
314 /* set timing for nCS1 suitable for ethernet chip */
316 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
317 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
318 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
319 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
320 (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
321 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
322 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
324 gpio_request(S3C64XX_GPF(15), "LCD power");
326 platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
329 MACHINE_START(REAL6410, "REAL6410")
330 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
331 .atag_offset = 0x100,
333 .init_irq = s3c6410_init_irq,
334 .handle_irq = vic_handle_irq,
335 .map_io = real6410_map_io,
336 .init_machine = real6410_machine_init,
337 .init_late = s3c64xx_init_late,
338 .timer = &s3c24xx_timer,
339 .restart = s3c64xx_restart,