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e9debd98 DA |
1 | /* 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> | |
2abca87c | 17 | #include <linux/fb.h> |
e9debd98 DA |
18 | #include <linux/gpio.h> |
19 | #include <linux/kernel.h> | |
20 | #include <linux/list.h> | |
21 | #include <linux/dm9000.h> | |
1c5d76ef DA |
22 | #include <linux/mtd/mtd.h> |
23 | #include <linux/mtd/partitions.h> | |
e9debd98 DA |
24 | #include <linux/serial_core.h> |
25 | #include <linux/types.h> | |
26 | ||
27 | #include <asm/mach-types.h> | |
28 | #include <asm/mach/arch.h> | |
29 | #include <asm/mach/map.h> | |
30 | ||
31 | #include <mach/map.h> | |
32 | #include <mach/regs-gpio.h> | |
e9debd98 | 33 | |
fe894f97 | 34 | #include <plat/adc.h> |
e9debd98 DA |
35 | #include <plat/cpu.h> |
36 | #include <plat/devs.h> | |
2abca87c | 37 | #include <plat/fb.h> |
436d42c6 | 38 | #include <linux/platform_data/mtd-nand-s3c2410.h> |
e9debd98 | 39 | #include <plat/regs-serial.h> |
436d42c6 | 40 | #include <linux/platform_data/touchscreen-s3c2410.h> |
fe894f97 | 41 | |
bbd7ac63 | 42 | #include <video/platform_lcd.h> |
5a213a55 | 43 | #include <video/samsung_fimd.h> |
e9debd98 | 44 | |
b024043b | 45 | #include "common.h" |
a81c1970 | 46 | #include "regs-modem.h" |
8eba8ea2 | 47 | #include "regs-srom.h" |
b024043b | 48 | |
8b8c87de | 49 | #define UCON S3C2410_UCON_DEFAULT |
e9debd98 DA |
50 | #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) |
51 | #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) | |
52 | ||
53 | static 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 | ||
86 | static struct resource mini6410_dm9k_resource[] = { | |
bc4521d3 TB |
87 | [0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, 2), |
88 | [1] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1 + 4, 2), | |
89 | [2] = DEFINE_RES_NAMED(S3C_EINT(7), 1, NULL, IORESOURCE_IRQ \ | |
90 | | IORESOURCE_IRQ_HIGHLEVEL), | |
e9debd98 DA |
91 | }; |
92 | ||
93 | static struct dm9000_plat_data mini6410_dm9k_pdata = { | |
94 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), | |
95 | }; | |
96 | ||
97 | static struct platform_device mini6410_device_eth = { | |
98 | .name = "dm9000", | |
99 | .id = -1, | |
100 | .num_resources = ARRAY_SIZE(mini6410_dm9k_resource), | |
101 | .resource = mini6410_dm9k_resource, | |
102 | .dev = { | |
103 | .platform_data = &mini6410_dm9k_pdata, | |
104 | }, | |
105 | }; | |
106 | ||
1c5d76ef DA |
107 | static struct mtd_partition mini6410_nand_part[] = { |
108 | [0] = { | |
109 | .name = "uboot", | |
110 | .size = SZ_1M, | |
111 | .offset = 0, | |
112 | }, | |
113 | [1] = { | |
114 | .name = "kernel", | |
115 | .size = SZ_2M, | |
116 | .offset = SZ_1M, | |
117 | }, | |
118 | [2] = { | |
119 | .name = "rootfs", | |
120 | .size = MTDPART_SIZ_FULL, | |
121 | .offset = SZ_1M + SZ_2M, | |
122 | }, | |
123 | }; | |
124 | ||
125 | static struct s3c2410_nand_set mini6410_nand_sets[] = { | |
126 | [0] = { | |
127 | .name = "nand", | |
128 | .nr_chips = 1, | |
129 | .nr_partitions = ARRAY_SIZE(mini6410_nand_part), | |
130 | .partitions = mini6410_nand_part, | |
131 | }, | |
132 | }; | |
133 | ||
134 | static struct s3c2410_platform_nand mini6410_nand_info = { | |
135 | .tacls = 25, | |
136 | .twrph0 = 55, | |
137 | .twrph1 = 40, | |
138 | .nr_sets = ARRAY_SIZE(mini6410_nand_sets), | |
139 | .sets = mini6410_nand_sets, | |
140 | }; | |
141 | ||
884924be | 142 | static struct s3c_fb_pd_win mini6410_lcd_type0_fb_win = { |
884924be TA |
143 | .max_bpp = 32, |
144 | .default_bpp = 16, | |
79d3c41a TA |
145 | .xres = 480, |
146 | .yres = 272, | |
147 | }; | |
148 | ||
149 | static struct fb_videomode mini6410_lcd_type0_timing = { | |
150 | /* 4.3" 480x272 */ | |
151 | .left_margin = 3, | |
152 | .right_margin = 2, | |
153 | .upper_margin = 1, | |
154 | .lower_margin = 1, | |
155 | .hsync_len = 40, | |
156 | .vsync_len = 1, | |
157 | .xres = 480, | |
158 | .yres = 272, | |
2abca87c DA |
159 | }; |
160 | ||
884924be | 161 | static struct s3c_fb_pd_win mini6410_lcd_type1_fb_win = { |
884924be TA |
162 | .max_bpp = 32, |
163 | .default_bpp = 16, | |
79d3c41a TA |
164 | .xres = 800, |
165 | .yres = 480, | |
166 | }; | |
167 | ||
168 | static struct fb_videomode mini6410_lcd_type1_timing = { | |
169 | /* 7.0" 800x480 */ | |
170 | .left_margin = 8, | |
171 | .right_margin = 13, | |
172 | .upper_margin = 7, | |
173 | .lower_margin = 5, | |
174 | .hsync_len = 3, | |
175 | .vsync_len = 1, | |
176 | .xres = 800, | |
177 | .yres = 480, | |
884924be TA |
178 | }; |
179 | ||
180 | static struct s3c_fb_platdata mini6410_lcd_pdata[] __initdata = { | |
2abca87c | 181 | { |
884924be | 182 | .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, |
79d3c41a | 183 | .vtiming = &mini6410_lcd_type0_timing, |
884924be TA |
184 | .win[0] = &mini6410_lcd_type0_fb_win, |
185 | .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, | |
186 | .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, | |
2abca87c | 187 | }, { |
884924be | 188 | .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, |
79d3c41a | 189 | .vtiming = &mini6410_lcd_type1_timing, |
884924be TA |
190 | .win[0] = &mini6410_lcd_type1_fb_win, |
191 | .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, | |
192 | .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, | |
2abca87c | 193 | }, |
884924be | 194 | { }, |
2abca87c DA |
195 | }; |
196 | ||
bbd7ac63 DA |
197 | static void mini6410_lcd_power_set(struct plat_lcd_data *pd, |
198 | unsigned int power) | |
199 | { | |
200 | if (power) | |
201 | gpio_direction_output(S3C64XX_GPE(0), 1); | |
202 | else | |
203 | gpio_direction_output(S3C64XX_GPE(0), 0); | |
204 | } | |
205 | ||
206 | static struct plat_lcd_data mini6410_lcd_power_data = { | |
207 | .set_power = mini6410_lcd_power_set, | |
208 | }; | |
209 | ||
210 | static struct platform_device mini6410_lcd_powerdev = { | |
211 | .name = "platform-lcd", | |
212 | .dev.parent = &s3c_device_fb.dev, | |
213 | .dev.platform_data = &mini6410_lcd_power_data, | |
214 | }; | |
215 | ||
e9debd98 DA |
216 | static struct platform_device *mini6410_devices[] __initdata = { |
217 | &mini6410_device_eth, | |
218 | &s3c_device_hsmmc0, | |
219 | &s3c_device_hsmmc1, | |
220 | &s3c_device_ohci, | |
1c5d76ef | 221 | &s3c_device_nand, |
2abca87c | 222 | &s3c_device_fb, |
bbd7ac63 | 223 | &mini6410_lcd_powerdev, |
fe894f97 DA |
224 | &s3c_device_adc, |
225 | &s3c_device_ts, | |
e9debd98 DA |
226 | }; |
227 | ||
228 | static void __init mini6410_map_io(void) | |
229 | { | |
2abca87c DA |
230 | u32 tmp; |
231 | ||
e9debd98 DA |
232 | s3c64xx_init_io(NULL, 0); |
233 | s3c24xx_init_clocks(12000000); | |
234 | s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); | |
2abca87c DA |
235 | |
236 | /* set the LCD type */ | |
237 | tmp = __raw_readl(S3C64XX_SPCON); | |
238 | tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; | |
239 | tmp |= S3C64XX_SPCON_LCD_SEL_RGB; | |
240 | __raw_writel(tmp, S3C64XX_SPCON); | |
241 | ||
242 | /* remove the LCD bypass */ | |
243 | tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); | |
244 | tmp &= ~MIFPCON_LCD_BYPASS; | |
245 | __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); | |
246 | } | |
247 | ||
248 | /* | |
249 | * mini6410_features string | |
250 | * | |
251 | * 0-9 LCD configuration | |
252 | * | |
253 | */ | |
254 | static char mini6410_features_str[12] __initdata = "0"; | |
255 | ||
256 | static int __init mini6410_features_setup(char *str) | |
257 | { | |
258 | if (str) | |
259 | strlcpy(mini6410_features_str, str, | |
260 | sizeof(mini6410_features_str)); | |
261 | return 1; | |
262 | } | |
263 | ||
264 | __setup("mini6410=", mini6410_features_setup); | |
265 | ||
266 | #define FEATURE_SCREEN (1 << 0) | |
267 | ||
268 | struct mini6410_features_t { | |
269 | int done; | |
270 | int lcd_index; | |
271 | }; | |
272 | ||
273 | static void mini6410_parse_features( | |
274 | struct mini6410_features_t *features, | |
275 | const char *features_str) | |
276 | { | |
277 | const char *fp = features_str; | |
278 | ||
279 | features->done = 0; | |
280 | features->lcd_index = 0; | |
281 | ||
282 | while (*fp) { | |
283 | char f = *fp++; | |
284 | ||
285 | switch (f) { | |
286 | case '0'...'9': /* tft screen */ | |
287 | if (features->done & FEATURE_SCREEN) { | |
288 | printk(KERN_INFO "MINI6410: '%c' ignored, " | |
289 | "screen type already set\n", f); | |
290 | } else { | |
291 | int li = f - '0'; | |
884924be | 292 | if (li >= ARRAY_SIZE(mini6410_lcd_pdata)) |
2abca87c DA |
293 | printk(KERN_INFO "MINI6410: '%c' out " |
294 | "of range LCD mode\n", f); | |
295 | else { | |
296 | features->lcd_index = li; | |
297 | } | |
298 | } | |
299 | features->done |= FEATURE_SCREEN; | |
300 | break; | |
301 | } | |
302 | } | |
e9debd98 DA |
303 | } |
304 | ||
305 | static void __init mini6410_machine_init(void) | |
306 | { | |
307 | u32 cs1; | |
2abca87c DA |
308 | struct mini6410_features_t features = { 0 }; |
309 | ||
310 | printk(KERN_INFO "MINI6410: Option string mini6410=%s\n", | |
311 | mini6410_features_str); | |
312 | ||
313 | /* Parse the feature string */ | |
314 | mini6410_parse_features(&features, mini6410_features_str); | |
315 | ||
2abca87c | 316 | printk(KERN_INFO "MINI6410: selected LCD display is %dx%d\n", |
79d3c41a TA |
317 | mini6410_lcd_pdata[features.lcd_index].win[0]->xres, |
318 | mini6410_lcd_pdata[features.lcd_index].win[0]->yres); | |
e9debd98 | 319 | |
1c5d76ef | 320 | s3c_nand_set_platdata(&mini6410_nand_info); |
884924be | 321 | s3c_fb_set_platdata(&mini6410_lcd_pdata[features.lcd_index]); |
0804765a | 322 | s3c24xx_ts_set_platdata(NULL); |
1c5d76ef | 323 | |
e9debd98 DA |
324 | /* configure nCS1 width to 16 bits */ |
325 | ||
326 | cs1 = __raw_readl(S3C64XX_SROM_BW) & | |
327 | ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); | |
328 | cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | | |
329 | (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | | |
330 | (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << | |
331 | S3C64XX_SROM_BW__NCS1__SHIFT; | |
332 | __raw_writel(cs1, S3C64XX_SROM_BW); | |
333 | ||
334 | /* set timing for nCS1 suitable for ethernet chip */ | |
335 | ||
336 | __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | | |
337 | (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | | |
338 | (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | | |
339 | (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | | |
340 | (13 << S3C64XX_SROM_BCX__TACC__SHIFT) | | |
341 | (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | | |
342 | (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); | |
343 | ||
2abca87c DA |
344 | gpio_request(S3C64XX_GPF(15), "LCD power"); |
345 | gpio_request(S3C64XX_GPE(0), "LCD power"); | |
346 | ||
e9debd98 DA |
347 | platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices)); |
348 | } | |
349 | ||
350 | MACHINE_START(MINI6410, "MINI6410") | |
351 | /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */ | |
170a5908 | 352 | .atag_offset = 0x100, |
e9debd98 DA |
353 | .init_irq = s3c6410_init_irq, |
354 | .map_io = mini6410_map_io, | |
355 | .init_machine = mini6410_machine_init, | |
cc8f252b | 356 | .init_late = s3c64xx_init_late, |
6bb27d73 | 357 | .init_time = s3c24xx_timer_init, |
ff84ded2 | 358 | .restart = s3c64xx_restart, |
e9debd98 | 359 | MACHINE_END |