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eab5cfa0 DA |
1 | /* linux/arch/arm/mach-s3c64xx/mach-real6410.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 | ||
c115f67c | 15 | #include <linux/init.h> |
eab5cfa0 | 16 | #include <linux/interrupt.h> |
c115f67c DA |
17 | #include <linux/fb.h> |
18 | #include <linux/gpio.h> | |
19 | #include <linux/kernel.h> | |
eab5cfa0 | 20 | #include <linux/list.h> |
ff266c0c | 21 | #include <linux/dm9000.h> |
88fbadea DA |
22 | #include <linux/mtd/mtd.h> |
23 | #include <linux/mtd/partitions.h> | |
eab5cfa0 | 24 | #include <linux/platform_device.h> |
c115f67c DA |
25 | #include <linux/serial_core.h> |
26 | #include <linux/types.h> | |
27 | ||
774b51f8 | 28 | #include <asm/hardware/vic.h> |
eab5cfa0 DA |
29 | #include <asm/mach-types.h> |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
c115f67c | 32 | |
eab5cfa0 | 33 | #include <mach/map.h> |
c115f67c DA |
34 | #include <mach/regs-gpio.h> |
35 | #include <mach/regs-modem.h> | |
ff266c0c | 36 | #include <mach/regs-srom.h> |
c115f67c | 37 | |
4374c456 | 38 | #include <plat/adc.h> |
eab5cfa0 | 39 | #include <plat/cpu.h> |
ce611d7b | 40 | #include <plat/devs.h> |
c115f67c | 41 | #include <plat/fb.h> |
88fbadea | 42 | #include <plat/nand.h> |
eab5cfa0 | 43 | #include <plat/regs-serial.h> |
4374c456 | 44 | #include <plat/ts.h> |
49965e65 | 45 | #include <plat/regs-fb-v4.h> |
eab5cfa0 | 46 | |
c115f67c | 47 | #include <video/platform_lcd.h> |
eab5cfa0 | 48 | |
b024043b KK |
49 | #include "common.h" |
50 | ||
8b8c87de | 51 | #define UCON S3C2410_UCON_DEFAULT |
591cd25e DA |
52 | #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) |
53 | #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) | |
eab5cfa0 DA |
54 | |
55 | static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = { | |
56 | [0] = { | |
591cd25e DA |
57 | .hwport = 0, |
58 | .flags = 0, | |
59 | .ucon = UCON, | |
60 | .ulcon = ULCON, | |
61 | .ufcon = UFCON, | |
eab5cfa0 DA |
62 | }, |
63 | [1] = { | |
591cd25e DA |
64 | .hwport = 1, |
65 | .flags = 0, | |
66 | .ucon = UCON, | |
67 | .ulcon = ULCON, | |
68 | .ufcon = UFCON, | |
eab5cfa0 DA |
69 | }, |
70 | [2] = { | |
591cd25e DA |
71 | .hwport = 2, |
72 | .flags = 0, | |
73 | .ucon = UCON, | |
74 | .ulcon = ULCON, | |
75 | .ufcon = UFCON, | |
eab5cfa0 DA |
76 | }, |
77 | [3] = { | |
591cd25e DA |
78 | .hwport = 3, |
79 | .flags = 0, | |
80 | .ucon = UCON, | |
81 | .ulcon = ULCON, | |
82 | .ufcon = UFCON, | |
eab5cfa0 DA |
83 | }, |
84 | }; | |
85 | ||
ff266c0c DA |
86 | /* DM9000AEP 10/100 ethernet controller */ |
87 | ||
88 | static struct resource real6410_dm9k_resource[] = { | |
591cd25e DA |
89 | [0] = { |
90 | .start = S3C64XX_PA_XM0CSN1, | |
91 | .end = S3C64XX_PA_XM0CSN1 + 1, | |
92 | .flags = IORESOURCE_MEM | |
93 | }, | |
94 | [1] = { | |
95 | .start = S3C64XX_PA_XM0CSN1 + 4, | |
96 | .end = S3C64XX_PA_XM0CSN1 + 5, | |
97 | .flags = IORESOURCE_MEM | |
98 | }, | |
99 | [2] = { | |
100 | .start = S3C_EINT(7), | |
101 | .end = S3C_EINT(7), | |
4d89ecaa | 102 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL |
591cd25e | 103 | } |
ff266c0c DA |
104 | }; |
105 | ||
106 | static struct dm9000_plat_data real6410_dm9k_pdata = { | |
591cd25e | 107 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), |
ff266c0c DA |
108 | }; |
109 | ||
110 | static struct platform_device real6410_device_eth = { | |
591cd25e DA |
111 | .name = "dm9000", |
112 | .id = -1, | |
113 | .num_resources = ARRAY_SIZE(real6410_dm9k_resource), | |
114 | .resource = real6410_dm9k_resource, | |
115 | .dev = { | |
116 | .platform_data = &real6410_dm9k_pdata, | |
117 | }, | |
ff266c0c DA |
118 | }; |
119 | ||
c115f67c DA |
120 | static struct s3c_fb_pd_win real6410_fb_win[] = { |
121 | { | |
122 | .win_mode = { /* 4.3" 480x272 */ | |
123 | .left_margin = 3, | |
124 | .right_margin = 2, | |
125 | .upper_margin = 1, | |
126 | .lower_margin = 1, | |
127 | .hsync_len = 40, | |
128 | .vsync_len = 1, | |
129 | .xres = 480, | |
130 | .yres = 272, | |
131 | }, | |
132 | .max_bpp = 32, | |
133 | .default_bpp = 16, | |
134 | }, { | |
135 | .win_mode = { /* 7.0" 800x480 */ | |
136 | .left_margin = 8, | |
137 | .right_margin = 13, | |
138 | .upper_margin = 7, | |
139 | .lower_margin = 5, | |
140 | .hsync_len = 3, | |
141 | .vsync_len = 1, | |
142 | .xres = 800, | |
143 | .yres = 480, | |
144 | }, | |
145 | .max_bpp = 32, | |
146 | .default_bpp = 16, | |
147 | }, | |
148 | }; | |
149 | ||
150 | static struct s3c_fb_platdata real6410_lcd_pdata __initdata = { | |
151 | .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, | |
152 | .win[0] = &real6410_fb_win[0], | |
153 | .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, | |
154 | .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, | |
155 | }; | |
156 | ||
88fbadea DA |
157 | static struct mtd_partition real6410_nand_part[] = { |
158 | [0] = { | |
159 | .name = "uboot", | |
160 | .size = SZ_1M, | |
161 | .offset = 0, | |
162 | }, | |
163 | [1] = { | |
164 | .name = "kernel", | |
165 | .size = SZ_2M, | |
166 | .offset = SZ_1M, | |
167 | }, | |
168 | [2] = { | |
169 | .name = "rootfs", | |
170 | .size = MTDPART_SIZ_FULL, | |
171 | .offset = SZ_1M + SZ_2M, | |
172 | }, | |
173 | }; | |
174 | ||
175 | static struct s3c2410_nand_set real6410_nand_sets[] = { | |
176 | [0] = { | |
177 | .name = "nand", | |
178 | .nr_chips = 1, | |
179 | .nr_partitions = ARRAY_SIZE(real6410_nand_part), | |
180 | .partitions = real6410_nand_part, | |
181 | }, | |
182 | }; | |
183 | ||
184 | static struct s3c2410_platform_nand real6410_nand_info = { | |
185 | .tacls = 25, | |
186 | .twrph0 = 55, | |
187 | .twrph1 = 40, | |
188 | .nr_sets = ARRAY_SIZE(real6410_nand_sets), | |
189 | .sets = real6410_nand_sets, | |
190 | }; | |
191 | ||
ff266c0c DA |
192 | static struct platform_device *real6410_devices[] __initdata = { |
193 | &real6410_device_eth, | |
ce611d7b DA |
194 | &s3c_device_hsmmc0, |
195 | &s3c_device_hsmmc1, | |
c115f67c | 196 | &s3c_device_fb, |
88fbadea | 197 | &s3c_device_nand, |
4374c456 DA |
198 | &s3c_device_adc, |
199 | &s3c_device_ts, | |
10dcc7a2 | 200 | &s3c_device_ohci, |
4374c456 DA |
201 | }; |
202 | ||
eab5cfa0 DA |
203 | static void __init real6410_map_io(void) |
204 | { | |
c115f67c DA |
205 | u32 tmp; |
206 | ||
eab5cfa0 DA |
207 | s3c64xx_init_io(NULL, 0); |
208 | s3c24xx_init_clocks(12000000); | |
209 | s3c24xx_init_uarts(real6410_uartcfgs, ARRAY_SIZE(real6410_uartcfgs)); | |
c115f67c DA |
210 | |
211 | /* set the LCD type */ | |
212 | tmp = __raw_readl(S3C64XX_SPCON); | |
213 | tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; | |
214 | tmp |= S3C64XX_SPCON_LCD_SEL_RGB; | |
215 | __raw_writel(tmp, S3C64XX_SPCON); | |
216 | ||
217 | /* remove the LCD bypass */ | |
218 | tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); | |
219 | tmp &= ~MIFPCON_LCD_BYPASS; | |
220 | __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); | |
221 | } | |
222 | ||
223 | /* | |
224 | * real6410_features string | |
225 | * | |
226 | * 0-9 LCD configuration | |
227 | * | |
228 | */ | |
229 | static char real6410_features_str[12] __initdata = "0"; | |
230 | ||
231 | static int __init real6410_features_setup(char *str) | |
232 | { | |
233 | if (str) | |
234 | strlcpy(real6410_features_str, str, | |
235 | sizeof(real6410_features_str)); | |
236 | return 1; | |
237 | } | |
238 | ||
239 | __setup("real6410=", real6410_features_setup); | |
240 | ||
241 | #define FEATURE_SCREEN (1 << 0) | |
242 | ||
243 | struct real6410_features_t { | |
244 | int done; | |
245 | int lcd_index; | |
246 | }; | |
247 | ||
248 | static void real6410_parse_features( | |
249 | struct real6410_features_t *features, | |
250 | const char *features_str) | |
251 | { | |
252 | const char *fp = features_str; | |
253 | ||
254 | features->done = 0; | |
255 | features->lcd_index = 0; | |
256 | ||
257 | while (*fp) { | |
258 | char f = *fp++; | |
259 | ||
260 | switch (f) { | |
261 | case '0'...'9': /* tft screen */ | |
262 | if (features->done & FEATURE_SCREEN) { | |
263 | printk(KERN_INFO "REAL6410: '%c' ignored, " | |
264 | "screen type already set\n", f); | |
265 | } else { | |
266 | int li = f - '0'; | |
267 | if (li >= ARRAY_SIZE(real6410_fb_win)) | |
268 | printk(KERN_INFO "REAL6410: '%c' out " | |
269 | "of range LCD mode\n", f); | |
270 | else { | |
271 | features->lcd_index = li; | |
272 | } | |
273 | } | |
274 | features->done |= FEATURE_SCREEN; | |
275 | break; | |
276 | } | |
277 | } | |
eab5cfa0 DA |
278 | } |
279 | ||
280 | static void __init real6410_machine_init(void) | |
281 | { | |
ff266c0c | 282 | u32 cs1; |
c115f67c DA |
283 | struct real6410_features_t features = { 0 }; |
284 | ||
285 | printk(KERN_INFO "REAL6410: Option string real6410=%s\n", | |
286 | real6410_features_str); | |
287 | ||
288 | /* Parse the feature string */ | |
289 | real6410_parse_features(&features, real6410_features_str); | |
290 | ||
291 | real6410_lcd_pdata.win[0] = &real6410_fb_win[features.lcd_index]; | |
292 | ||
293 | printk(KERN_INFO "REAL6410: selected LCD display is %dx%d\n", | |
294 | real6410_lcd_pdata.win[0]->win_mode.xres, | |
295 | real6410_lcd_pdata.win[0]->win_mode.yres); | |
296 | ||
297 | s3c_fb_set_platdata(&real6410_lcd_pdata); | |
88fbadea | 298 | s3c_nand_set_platdata(&real6410_nand_info); |
0804765a | 299 | s3c24xx_ts_set_platdata(NULL); |
ff266c0c DA |
300 | |
301 | /* configure nCS1 width to 16 bits */ | |
302 | ||
303 | cs1 = __raw_readl(S3C64XX_SROM_BW) & | |
304 | ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); | |
305 | cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | | |
306 | (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | | |
307 | (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << | |
308 | S3C64XX_SROM_BW__NCS1__SHIFT; | |
309 | __raw_writel(cs1, S3C64XX_SROM_BW); | |
310 | ||
311 | /* set timing for nCS1 suitable for ethernet chip */ | |
312 | ||
313 | __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | | |
591cd25e DA |
314 | (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | |
315 | (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | | |
316 | (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | | |
317 | (13 << S3C64XX_SROM_BCX__TACC__SHIFT) | | |
318 | (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | | |
319 | (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); | |
ff266c0c | 320 | |
c115f67c DA |
321 | gpio_request(S3C64XX_GPF(15), "LCD power"); |
322 | ||
ff266c0c | 323 | platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices)); |
eab5cfa0 DA |
324 | } |
325 | ||
326 | MACHINE_START(REAL6410, "REAL6410") | |
327 | /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */ | |
170a5908 | 328 | .atag_offset = 0x100, |
eab5cfa0 DA |
329 | |
330 | .init_irq = s3c6410_init_irq, | |
774b51f8 | 331 | .handle_irq = vic_handle_irq, |
eab5cfa0 DA |
332 | .map_io = real6410_map_io, |
333 | .init_machine = real6410_machine_init, | |
334 | .timer = &s3c24xx_timer, | |
ff84ded2 | 335 | .restart = s3c64xx_restart, |
eab5cfa0 | 336 | MACHINE_END |