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Darius Augulise9debd92010-10-21 07:42:29 +09001/* linux/arch/arm/mach-s3c64xx/mach-mini6410.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
15#include <linux/init.h>
16#include <linux/interrupt.h>
Darius Augulis2abca872010-10-19 16:06:54 +090017#include <linux/fb.h>
Darius Augulise9debd92010-10-21 07:42:29 +090018#include <linux/gpio.h>
19#include <linux/kernel.h>
20#include <linux/list.h>
21#include <linux/dm9000.h>
Darius Augulis1c5d76e2010-10-19 16:04:16 +090022#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
Darius Augulise9debd92010-10-21 07:42:29 +090024#include <linux/serial_core.h>
25#include <linux/types.h>
26
Jamie Iles774b51f2011-11-04 01:10:04 +000027#include <asm/hardware/vic.h>
Darius Augulise9debd92010-10-21 07:42:29 +090028#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/map.h>
31
32#include <mach/map.h>
33#include <mach/regs-gpio.h>
Darius Augulis2abca872010-10-19 16:06:54 +090034#include <mach/regs-modem.h>
Darius Augulise9debd92010-10-21 07:42:29 +090035#include <mach/regs-srom.h>
Darius Augulise9debd92010-10-21 07:42:29 +090036
Kukjin Kim3cd7b622011-09-10 10:09:21 +090037#include <plat/s3c6410.h>
Darius Augulisfe894f92010-10-19 16:10:02 +090038#include <plat/adc.h>
Darius Augulise9debd92010-10-21 07:42:29 +090039#include <plat/cpu.h>
40#include <plat/devs.h>
Darius Augulis2abca872010-10-19 16:06:54 +090041#include <plat/fb.h>
Darius Augulis1c5d76e2010-10-19 16:04:16 +090042#include <plat/nand.h>
Darius Augulise9debd92010-10-21 07:42:29 +090043#include <plat/regs-serial.h>
Darius Augulisfe894f92010-10-19 16:10:02 +090044#include <plat/ts.h>
Ajay Kumar49965e62011-07-21 01:23:19 +090045#include <plat/regs-fb-v4.h>
Darius Augulisfe894f92010-10-19 16:10:02 +090046
Darius Augulisbbd7ac62010-10-19 16:09:59 +090047#include <video/platform_lcd.h>
Darius Augulise9debd92010-10-21 07:42:29 +090048
Darius Augulis8b8c87d2010-11-16 18:08:50 +090049#define UCON S3C2410_UCON_DEFAULT
Darius Augulise9debd92010-10-21 07:42:29 +090050#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
51#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
52
53static struct s3c2410_uartcfg mini6410_uartcfgs[] __initdata = {
54 [0] = {
55 .hwport = 0,
56 .flags = 0,
57 .ucon = UCON,
58 .ulcon = ULCON,
59 .ufcon = UFCON,
60 },
61 [1] = {
62 .hwport = 1,
63 .flags = 0,
64 .ucon = UCON,
65 .ulcon = ULCON,
66 .ufcon = UFCON,
67 },
68 [2] = {
69 .hwport = 2,
70 .flags = 0,
71 .ucon = UCON,
72 .ulcon = ULCON,
73 .ufcon = UFCON,
74 },
75 [3] = {
76 .hwport = 3,
77 .flags = 0,
78 .ucon = UCON,
79 .ulcon = ULCON,
80 .ufcon = UFCON,
81 },
82};
83
84/* DM9000AEP 10/100 ethernet controller */
85
86static struct resource mini6410_dm9k_resource[] = {
87 [0] = {
88 .start = S3C64XX_PA_XM0CSN1,
89 .end = S3C64XX_PA_XM0CSN1 + 1,
90 .flags = IORESOURCE_MEM
91 },
92 [1] = {
93 .start = S3C64XX_PA_XM0CSN1 + 4,
94 .end = S3C64XX_PA_XM0CSN1 + 5,
95 .flags = IORESOURCE_MEM
96 },
97 [2] = {
98 .start = S3C_EINT(7),
99 .end = S3C_EINT(7),
100 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
101 }
102};
103
104static struct dm9000_plat_data mini6410_dm9k_pdata = {
105 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
106};
107
108static struct platform_device mini6410_device_eth = {
109 .name = "dm9000",
110 .id = -1,
111 .num_resources = ARRAY_SIZE(mini6410_dm9k_resource),
112 .resource = mini6410_dm9k_resource,
113 .dev = {
114 .platform_data = &mini6410_dm9k_pdata,
115 },
116};
117
Darius Augulis1c5d76e2010-10-19 16:04:16 +0900118static struct mtd_partition mini6410_nand_part[] = {
119 [0] = {
120 .name = "uboot",
121 .size = SZ_1M,
122 .offset = 0,
123 },
124 [1] = {
125 .name = "kernel",
126 .size = SZ_2M,
127 .offset = SZ_1M,
128 },
129 [2] = {
130 .name = "rootfs",
131 .size = MTDPART_SIZ_FULL,
132 .offset = SZ_1M + SZ_2M,
133 },
134};
135
136static struct s3c2410_nand_set mini6410_nand_sets[] = {
137 [0] = {
138 .name = "nand",
139 .nr_chips = 1,
140 .nr_partitions = ARRAY_SIZE(mini6410_nand_part),
141 .partitions = mini6410_nand_part,
142 },
143};
144
145static struct s3c2410_platform_nand mini6410_nand_info = {
146 .tacls = 25,
147 .twrph0 = 55,
148 .twrph1 = 40,
149 .nr_sets = ARRAY_SIZE(mini6410_nand_sets),
150 .sets = mini6410_nand_sets,
151};
152
Darius Augulis2abca872010-10-19 16:06:54 +0900153static struct s3c_fb_pd_win mini6410_fb_win[] = {
154 {
155 .win_mode = { /* 4.3" 480x272 */
156 .left_margin = 3,
157 .right_margin = 2,
158 .upper_margin = 1,
159 .lower_margin = 1,
160 .hsync_len = 40,
161 .vsync_len = 1,
162 .xres = 480,
163 .yres = 272,
164 },
165 .max_bpp = 32,
166 .default_bpp = 16,
167 }, {
168 .win_mode = { /* 7.0" 800x480 */
169 .left_margin = 8,
170 .right_margin = 13,
171 .upper_margin = 7,
172 .lower_margin = 5,
173 .hsync_len = 3,
174 .vsync_len = 1,
175 .xres = 800,
176 .yres = 480,
177 },
178 .max_bpp = 32,
179 .default_bpp = 16,
180 },
181};
182
183static struct s3c_fb_platdata mini6410_lcd_pdata __initdata = {
184 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
185 .win[0] = &mini6410_fb_win[0],
186 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
187 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
188};
189
Darius Augulisbbd7ac62010-10-19 16:09:59 +0900190static void mini6410_lcd_power_set(struct plat_lcd_data *pd,
191 unsigned int power)
192{
193 if (power)
194 gpio_direction_output(S3C64XX_GPE(0), 1);
195 else
196 gpio_direction_output(S3C64XX_GPE(0), 0);
197}
198
199static struct plat_lcd_data mini6410_lcd_power_data = {
200 .set_power = mini6410_lcd_power_set,
201};
202
203static struct platform_device mini6410_lcd_powerdev = {
204 .name = "platform-lcd",
205 .dev.parent = &s3c_device_fb.dev,
206 .dev.platform_data = &mini6410_lcd_power_data,
207};
208
Darius Augulise9debd92010-10-21 07:42:29 +0900209static struct platform_device *mini6410_devices[] __initdata = {
210 &mini6410_device_eth,
211 &s3c_device_hsmmc0,
212 &s3c_device_hsmmc1,
213 &s3c_device_ohci,
Darius Augulis1c5d76e2010-10-19 16:04:16 +0900214 &s3c_device_nand,
Darius Augulis2abca872010-10-19 16:06:54 +0900215 &s3c_device_fb,
Darius Augulisbbd7ac62010-10-19 16:09:59 +0900216 &mini6410_lcd_powerdev,
Darius Augulisfe894f92010-10-19 16:10:02 +0900217 &s3c_device_adc,
218 &s3c_device_ts,
Darius Augulise9debd92010-10-21 07:42:29 +0900219};
220
221static void __init mini6410_map_io(void)
222{
Darius Augulis2abca872010-10-19 16:06:54 +0900223 u32 tmp;
224
Darius Augulise9debd92010-10-21 07:42:29 +0900225 s3c64xx_init_io(NULL, 0);
226 s3c24xx_init_clocks(12000000);
227 s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs));
Darius Augulis2abca872010-10-19 16:06:54 +0900228
229 /* set the LCD type */
230 tmp = __raw_readl(S3C64XX_SPCON);
231 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
232 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
233 __raw_writel(tmp, S3C64XX_SPCON);
234
235 /* remove the LCD bypass */
236 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
237 tmp &= ~MIFPCON_LCD_BYPASS;
238 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
239}
240
241/*
242 * mini6410_features string
243 *
244 * 0-9 LCD configuration
245 *
246 */
247static char mini6410_features_str[12] __initdata = "0";
248
249static int __init mini6410_features_setup(char *str)
250{
251 if (str)
252 strlcpy(mini6410_features_str, str,
253 sizeof(mini6410_features_str));
254 return 1;
255}
256
257__setup("mini6410=", mini6410_features_setup);
258
259#define FEATURE_SCREEN (1 << 0)
260
261struct mini6410_features_t {
262 int done;
263 int lcd_index;
264};
265
266static void mini6410_parse_features(
267 struct mini6410_features_t *features,
268 const char *features_str)
269{
270 const char *fp = features_str;
271
272 features->done = 0;
273 features->lcd_index = 0;
274
275 while (*fp) {
276 char f = *fp++;
277
278 switch (f) {
279 case '0'...'9': /* tft screen */
280 if (features->done & FEATURE_SCREEN) {
281 printk(KERN_INFO "MINI6410: '%c' ignored, "
282 "screen type already set\n", f);
283 } else {
284 int li = f - '0';
285 if (li >= ARRAY_SIZE(mini6410_fb_win))
286 printk(KERN_INFO "MINI6410: '%c' out "
287 "of range LCD mode\n", f);
288 else {
289 features->lcd_index = li;
290 }
291 }
292 features->done |= FEATURE_SCREEN;
293 break;
294 }
295 }
Darius Augulise9debd92010-10-21 07:42:29 +0900296}
297
298static void __init mini6410_machine_init(void)
299{
300 u32 cs1;
Darius Augulis2abca872010-10-19 16:06:54 +0900301 struct mini6410_features_t features = { 0 };
302
303 printk(KERN_INFO "MINI6410: Option string mini6410=%s\n",
304 mini6410_features_str);
305
306 /* Parse the feature string */
307 mini6410_parse_features(&features, mini6410_features_str);
308
309 mini6410_lcd_pdata.win[0] = &mini6410_fb_win[features.lcd_index];
310
311 printk(KERN_INFO "MINI6410: selected LCD display is %dx%d\n",
312 mini6410_lcd_pdata.win[0]->win_mode.xres,
313 mini6410_lcd_pdata.win[0]->win_mode.yres);
Darius Augulise9debd92010-10-21 07:42:29 +0900314
Darius Augulis1c5d76e2010-10-19 16:04:16 +0900315 s3c_nand_set_platdata(&mini6410_nand_info);
Darius Augulis2abca872010-10-19 16:06:54 +0900316 s3c_fb_set_platdata(&mini6410_lcd_pdata);
Naveen Krishna Chatradhi08047652011-08-19 21:56:10 +0900317 s3c24xx_ts_set_platdata(NULL);
Darius Augulis1c5d76e2010-10-19 16:04:16 +0900318
Darius Augulise9debd92010-10-21 07:42:29 +0900319 /* configure nCS1 width to 16 bits */
320
321 cs1 = __raw_readl(S3C64XX_SROM_BW) &
322 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
323 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
324 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
325 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
326 S3C64XX_SROM_BW__NCS1__SHIFT;
327 __raw_writel(cs1, S3C64XX_SROM_BW);
328
329 /* set timing for nCS1 suitable for ethernet chip */
330
331 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
332 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
333 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
334 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
335 (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
336 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
337 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
338
Darius Augulis2abca872010-10-19 16:06:54 +0900339 gpio_request(S3C64XX_GPF(15), "LCD power");
340 gpio_request(S3C64XX_GPE(0), "LCD power");
341
Darius Augulise9debd92010-10-21 07:42:29 +0900342 platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices));
343}
344
345MACHINE_START(MINI6410, "MINI6410")
346 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
Nicolas Pitre170a5902011-07-05 22:38:17 -0400347 .atag_offset = 0x100,
Darius Augulise9debd92010-10-21 07:42:29 +0900348 .init_irq = s3c6410_init_irq,
Jamie Iles774b51f2011-11-04 01:10:04 +0000349 .handle_irq = vic_handle_irq,
Darius Augulise9debd92010-10-21 07:42:29 +0900350 .map_io = mini6410_map_io,
351 .init_machine = mini6410_machine_init,
352 .timer = &s3c24xx_timer,
353MACHINE_END