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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> | |
2abca87c | 32 | #include <mach/regs-fb.h> |
e9debd98 | 33 | #include <mach/regs-gpio.h> |
2abca87c | 34 | #include <mach/regs-modem.h> |
e9debd98 DA |
35 | #include <mach/regs-srom.h> |
36 | #include <mach/s3c6410.h> | |
37 | ||
38 | #include <plat/cpu.h> | |
39 | #include <plat/devs.h> | |
2abca87c | 40 | #include <plat/fb.h> |
1c5d76ef | 41 | #include <plat/nand.h> |
e9debd98 | 42 | #include <plat/regs-serial.h> |
bbd7ac63 | 43 | #include <video/platform_lcd.h> |
e9debd98 DA |
44 | |
45 | #define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK) | |
46 | #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) | |
47 | #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) | |
48 | ||
49 | static struct s3c2410_uartcfg mini6410_uartcfgs[] __initdata = { | |
50 | [0] = { | |
51 | .hwport = 0, | |
52 | .flags = 0, | |
53 | .ucon = UCON, | |
54 | .ulcon = ULCON, | |
55 | .ufcon = UFCON, | |
56 | }, | |
57 | [1] = { | |
58 | .hwport = 1, | |
59 | .flags = 0, | |
60 | .ucon = UCON, | |
61 | .ulcon = ULCON, | |
62 | .ufcon = UFCON, | |
63 | }, | |
64 | [2] = { | |
65 | .hwport = 2, | |
66 | .flags = 0, | |
67 | .ucon = UCON, | |
68 | .ulcon = ULCON, | |
69 | .ufcon = UFCON, | |
70 | }, | |
71 | [3] = { | |
72 | .hwport = 3, | |
73 | .flags = 0, | |
74 | .ucon = UCON, | |
75 | .ulcon = ULCON, | |
76 | .ufcon = UFCON, | |
77 | }, | |
78 | }; | |
79 | ||
80 | /* DM9000AEP 10/100 ethernet controller */ | |
81 | ||
82 | static struct resource mini6410_dm9k_resource[] = { | |
83 | [0] = { | |
84 | .start = S3C64XX_PA_XM0CSN1, | |
85 | .end = S3C64XX_PA_XM0CSN1 + 1, | |
86 | .flags = IORESOURCE_MEM | |
87 | }, | |
88 | [1] = { | |
89 | .start = S3C64XX_PA_XM0CSN1 + 4, | |
90 | .end = S3C64XX_PA_XM0CSN1 + 5, | |
91 | .flags = IORESOURCE_MEM | |
92 | }, | |
93 | [2] = { | |
94 | .start = S3C_EINT(7), | |
95 | .end = S3C_EINT(7), | |
96 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | |
97 | } | |
98 | }; | |
99 | ||
100 | static struct dm9000_plat_data mini6410_dm9k_pdata = { | |
101 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), | |
102 | }; | |
103 | ||
104 | static struct platform_device mini6410_device_eth = { | |
105 | .name = "dm9000", | |
106 | .id = -1, | |
107 | .num_resources = ARRAY_SIZE(mini6410_dm9k_resource), | |
108 | .resource = mini6410_dm9k_resource, | |
109 | .dev = { | |
110 | .platform_data = &mini6410_dm9k_pdata, | |
111 | }, | |
112 | }; | |
113 | ||
1c5d76ef DA |
114 | static struct mtd_partition mini6410_nand_part[] = { |
115 | [0] = { | |
116 | .name = "uboot", | |
117 | .size = SZ_1M, | |
118 | .offset = 0, | |
119 | }, | |
120 | [1] = { | |
121 | .name = "kernel", | |
122 | .size = SZ_2M, | |
123 | .offset = SZ_1M, | |
124 | }, | |
125 | [2] = { | |
126 | .name = "rootfs", | |
127 | .size = MTDPART_SIZ_FULL, | |
128 | .offset = SZ_1M + SZ_2M, | |
129 | }, | |
130 | }; | |
131 | ||
132 | static struct s3c2410_nand_set mini6410_nand_sets[] = { | |
133 | [0] = { | |
134 | .name = "nand", | |
135 | .nr_chips = 1, | |
136 | .nr_partitions = ARRAY_SIZE(mini6410_nand_part), | |
137 | .partitions = mini6410_nand_part, | |
138 | }, | |
139 | }; | |
140 | ||
141 | static struct s3c2410_platform_nand mini6410_nand_info = { | |
142 | .tacls = 25, | |
143 | .twrph0 = 55, | |
144 | .twrph1 = 40, | |
145 | .nr_sets = ARRAY_SIZE(mini6410_nand_sets), | |
146 | .sets = mini6410_nand_sets, | |
147 | }; | |
148 | ||
2abca87c DA |
149 | static struct s3c_fb_pd_win mini6410_fb_win[] = { |
150 | { | |
151 | .win_mode = { /* 4.3" 480x272 */ | |
152 | .left_margin = 3, | |
153 | .right_margin = 2, | |
154 | .upper_margin = 1, | |
155 | .lower_margin = 1, | |
156 | .hsync_len = 40, | |
157 | .vsync_len = 1, | |
158 | .xres = 480, | |
159 | .yres = 272, | |
160 | }, | |
161 | .max_bpp = 32, | |
162 | .default_bpp = 16, | |
163 | }, { | |
164 | .win_mode = { /* 7.0" 800x480 */ | |
165 | .left_margin = 8, | |
166 | .right_margin = 13, | |
167 | .upper_margin = 7, | |
168 | .lower_margin = 5, | |
169 | .hsync_len = 3, | |
170 | .vsync_len = 1, | |
171 | .xres = 800, | |
172 | .yres = 480, | |
173 | }, | |
174 | .max_bpp = 32, | |
175 | .default_bpp = 16, | |
176 | }, | |
177 | }; | |
178 | ||
179 | static struct s3c_fb_platdata mini6410_lcd_pdata __initdata = { | |
180 | .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, | |
181 | .win[0] = &mini6410_fb_win[0], | |
182 | .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, | |
183 | .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, | |
184 | }; | |
185 | ||
bbd7ac63 DA |
186 | static void mini6410_lcd_power_set(struct plat_lcd_data *pd, |
187 | unsigned int power) | |
188 | { | |
189 | if (power) | |
190 | gpio_direction_output(S3C64XX_GPE(0), 1); | |
191 | else | |
192 | gpio_direction_output(S3C64XX_GPE(0), 0); | |
193 | } | |
194 | ||
195 | static struct plat_lcd_data mini6410_lcd_power_data = { | |
196 | .set_power = mini6410_lcd_power_set, | |
197 | }; | |
198 | ||
199 | static struct platform_device mini6410_lcd_powerdev = { | |
200 | .name = "platform-lcd", | |
201 | .dev.parent = &s3c_device_fb.dev, | |
202 | .dev.platform_data = &mini6410_lcd_power_data, | |
203 | }; | |
204 | ||
e9debd98 DA |
205 | static struct platform_device *mini6410_devices[] __initdata = { |
206 | &mini6410_device_eth, | |
207 | &s3c_device_hsmmc0, | |
208 | &s3c_device_hsmmc1, | |
209 | &s3c_device_ohci, | |
1c5d76ef | 210 | &s3c_device_nand, |
2abca87c | 211 | &s3c_device_fb, |
bbd7ac63 | 212 | &mini6410_lcd_powerdev, |
e9debd98 DA |
213 | }; |
214 | ||
215 | static void __init mini6410_map_io(void) | |
216 | { | |
2abca87c DA |
217 | u32 tmp; |
218 | ||
e9debd98 DA |
219 | s3c64xx_init_io(NULL, 0); |
220 | s3c24xx_init_clocks(12000000); | |
221 | s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); | |
2abca87c DA |
222 | |
223 | /* set the LCD type */ | |
224 | tmp = __raw_readl(S3C64XX_SPCON); | |
225 | tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; | |
226 | tmp |= S3C64XX_SPCON_LCD_SEL_RGB; | |
227 | __raw_writel(tmp, S3C64XX_SPCON); | |
228 | ||
229 | /* remove the LCD bypass */ | |
230 | tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); | |
231 | tmp &= ~MIFPCON_LCD_BYPASS; | |
232 | __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); | |
233 | } | |
234 | ||
235 | /* | |
236 | * mini6410_features string | |
237 | * | |
238 | * 0-9 LCD configuration | |
239 | * | |
240 | */ | |
241 | static char mini6410_features_str[12] __initdata = "0"; | |
242 | ||
243 | static int __init mini6410_features_setup(char *str) | |
244 | { | |
245 | if (str) | |
246 | strlcpy(mini6410_features_str, str, | |
247 | sizeof(mini6410_features_str)); | |
248 | return 1; | |
249 | } | |
250 | ||
251 | __setup("mini6410=", mini6410_features_setup); | |
252 | ||
253 | #define FEATURE_SCREEN (1 << 0) | |
254 | ||
255 | struct mini6410_features_t { | |
256 | int done; | |
257 | int lcd_index; | |
258 | }; | |
259 | ||
260 | static void mini6410_parse_features( | |
261 | struct mini6410_features_t *features, | |
262 | const char *features_str) | |
263 | { | |
264 | const char *fp = features_str; | |
265 | ||
266 | features->done = 0; | |
267 | features->lcd_index = 0; | |
268 | ||
269 | while (*fp) { | |
270 | char f = *fp++; | |
271 | ||
272 | switch (f) { | |
273 | case '0'...'9': /* tft screen */ | |
274 | if (features->done & FEATURE_SCREEN) { | |
275 | printk(KERN_INFO "MINI6410: '%c' ignored, " | |
276 | "screen type already set\n", f); | |
277 | } else { | |
278 | int li = f - '0'; | |
279 | if (li >= ARRAY_SIZE(mini6410_fb_win)) | |
280 | printk(KERN_INFO "MINI6410: '%c' out " | |
281 | "of range LCD mode\n", f); | |
282 | else { | |
283 | features->lcd_index = li; | |
284 | } | |
285 | } | |
286 | features->done |= FEATURE_SCREEN; | |
287 | break; | |
288 | } | |
289 | } | |
e9debd98 DA |
290 | } |
291 | ||
292 | static void __init mini6410_machine_init(void) | |
293 | { | |
294 | u32 cs1; | |
2abca87c DA |
295 | struct mini6410_features_t features = { 0 }; |
296 | ||
297 | printk(KERN_INFO "MINI6410: Option string mini6410=%s\n", | |
298 | mini6410_features_str); | |
299 | ||
300 | /* Parse the feature string */ | |
301 | mini6410_parse_features(&features, mini6410_features_str); | |
302 | ||
303 | mini6410_lcd_pdata.win[0] = &mini6410_fb_win[features.lcd_index]; | |
304 | ||
305 | printk(KERN_INFO "MINI6410: selected LCD display is %dx%d\n", | |
306 | mini6410_lcd_pdata.win[0]->win_mode.xres, | |
307 | mini6410_lcd_pdata.win[0]->win_mode.yres); | |
e9debd98 | 308 | |
1c5d76ef | 309 | s3c_nand_set_platdata(&mini6410_nand_info); |
2abca87c | 310 | s3c_fb_set_platdata(&mini6410_lcd_pdata); |
1c5d76ef | 311 | |
e9debd98 DA |
312 | /* configure nCS1 width to 16 bits */ |
313 | ||
314 | cs1 = __raw_readl(S3C64XX_SROM_BW) & | |
315 | ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); | |
316 | cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | | |
317 | (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | | |
318 | (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << | |
319 | S3C64XX_SROM_BW__NCS1__SHIFT; | |
320 | __raw_writel(cs1, S3C64XX_SROM_BW); | |
321 | ||
322 | /* set timing for nCS1 suitable for ethernet chip */ | |
323 | ||
324 | __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | | |
325 | (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | | |
326 | (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | | |
327 | (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | | |
328 | (13 << S3C64XX_SROM_BCX__TACC__SHIFT) | | |
329 | (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | | |
330 | (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); | |
331 | ||
2abca87c DA |
332 | gpio_request(S3C64XX_GPF(15), "LCD power"); |
333 | gpio_request(S3C64XX_GPE(0), "LCD power"); | |
334 | ||
e9debd98 DA |
335 | platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices)); |
336 | } | |
337 | ||
338 | MACHINE_START(MINI6410, "MINI6410") | |
339 | /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */ | |
340 | .boot_params = S3C64XX_PA_SDRAM + 0x100, | |
341 | .init_irq = s3c6410_init_irq, | |
342 | .map_io = mini6410_map_io, | |
343 | .init_machine = mini6410_machine_init, | |
344 | .timer = &s3c24xx_timer, | |
345 | MACHINE_END |