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1da177e4 LT |
1 | /* linux/arch/arm/mach-s3c2410/mach-h1940.c |
2 | * | |
3 | * Copyright (c) 2003-2005 Simtec Electronics | |
4 | * Ben Dooks <ben@simtec.co.uk> | |
5 | * | |
6 | * http://www.handhelds.org/projects/h1940.html | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
1da177e4 LT |
12 | */ |
13 | ||
14 | #include <linux/kernel.h> | |
15 | #include <linux/types.h> | |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/list.h> | |
18 | #include <linux/timer.h> | |
19 | #include <linux/init.h> | |
333a42e1 | 20 | #include <linux/sysdev.h> |
b6d1f542 | 21 | #include <linux/serial_core.h> |
d052d1be | 22 | #include <linux/platform_device.h> |
fced80c7 | 23 | #include <linux/io.h> |
3909b9f7 | 24 | #include <linux/gpio.h> |
22e649ff | 25 | #include <linux/pwm_backlight.h> |
26 | #include <video/platform_lcd.h> | |
3909b9f7 | 27 | |
28 | #include <linux/mmc/host.h> | |
1da177e4 LT |
29 | |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | #include <asm/mach/irq.h> | |
33 | ||
a09e64fb | 34 | #include <mach/hardware.h> |
1da177e4 LT |
35 | #include <asm/irq.h> |
36 | #include <asm/mach-types.h> | |
37 | ||
a2b7ba9c | 38 | #include <plat/regs-serial.h> |
a09e64fb | 39 | #include <mach/regs-lcd.h> |
a09e64fb | 40 | #include <mach/regs-clock.h> |
f92273c1 | 41 | |
3909b9f7 | 42 | #include <mach/regs-gpio.h> |
43 | #include <mach/gpio-fns.h> | |
44 | #include <mach/gpio-nrs.h> | |
45 | ||
a09e64fb RK |
46 | #include <mach/h1940.h> |
47 | #include <mach/h1940-latch.h> | |
48 | #include <mach/fb.h> | |
ce8877b5 | 49 | #include <mach/ts.h> |
57bd4b91 | 50 | #include <plat/udc.h> |
3e1b776c | 51 | #include <plat/iic.h> |
1da177e4 | 52 | |
d5120ae7 | 53 | #include <plat/clock.h> |
a2b7ba9c BD |
54 | #include <plat/devs.h> |
55 | #include <plat/cpu.h> | |
e24b864a | 56 | #include <plat/pll.h> |
a2b7ba9c | 57 | #include <plat/pm.h> |
3909b9f7 | 58 | #include <plat/mci.h> |
1da177e4 LT |
59 | |
60 | static struct map_desc h1940_iodesc[] __initdata = { | |
e1981680 BD |
61 | [0] = { |
62 | .virtual = (unsigned long)H1940_LATCH, | |
63 | .pfn = __phys_to_pfn(H1940_PA_LATCH), | |
64 | .length = SZ_16K, | |
65 | .type = MT_DEVICE | |
66 | }, | |
1da177e4 LT |
67 | }; |
68 | ||
69 | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK | |
70 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | |
71 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | |
72 | ||
66a9b49a | 73 | static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { |
1da177e4 LT |
74 | [0] = { |
75 | .hwport = 0, | |
76 | .flags = 0, | |
77 | .ucon = 0x3c5, | |
78 | .ulcon = 0x03, | |
79 | .ufcon = 0x51, | |
80 | }, | |
81 | [1] = { | |
82 | .hwport = 1, | |
83 | .flags = 0, | |
84 | .ucon = 0x245, | |
85 | .ulcon = 0x03, | |
86 | .ufcon = 0x00, | |
87 | }, | |
88 | /* IR port */ | |
89 | [2] = { | |
90 | .hwport = 2, | |
91 | .flags = 0, | |
92 | .uart_flags = UPF_CONS_FLOW, | |
93 | .ucon = 0x3c5, | |
94 | .ulcon = 0x43, | |
95 | .ufcon = 0x51, | |
96 | } | |
97 | }; | |
98 | ||
e1981680 BD |
99 | /* Board control latch control */ |
100 | ||
101 | static unsigned int latch_state = H1940_LATCH_DEFAULT; | |
102 | ||
103 | void h1940_latch_control(unsigned int clear, unsigned int set) | |
104 | { | |
105 | unsigned long flags; | |
106 | ||
107 | local_irq_save(flags); | |
108 | ||
109 | latch_state &= ~clear; | |
110 | latch_state |= set; | |
111 | ||
112 | __raw_writel(latch_state, H1940_LATCH); | |
113 | ||
114 | local_irq_restore(flags); | |
115 | } | |
116 | ||
117 | EXPORT_SYMBOL_GPL(h1940_latch_control); | |
1da177e4 | 118 | |
71a9c424 AP |
119 | static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) |
120 | { | |
121 | printk(KERN_DEBUG "udc: pullup(%d)\n",cmd); | |
122 | ||
123 | switch (cmd) | |
124 | { | |
125 | case S3C2410_UDC_P_ENABLE : | |
126 | h1940_latch_control(0, H1940_LATCH_USB_DP); | |
127 | break; | |
128 | case S3C2410_UDC_P_DISABLE : | |
129 | h1940_latch_control(H1940_LATCH_USB_DP, 0); | |
130 | break; | |
131 | case S3C2410_UDC_P_RESET : | |
132 | break; | |
133 | default: | |
134 | break; | |
135 | } | |
136 | } | |
137 | ||
138 | static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { | |
139 | .udc_command = h1940_udc_pullup, | |
070276d5 | 140 | .vbus_pin = S3C2410_GPG(5), |
71a9c424 AP |
141 | .vbus_pin_inverted = 1, |
142 | }; | |
143 | ||
ce8877b5 AP |
144 | static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = { |
145 | .delay = 10000, | |
146 | .presc = 49, | |
147 | .oversampling_shift = 2, | |
148 | }; | |
71a9c424 | 149 | |
f92273c1 AP |
150 | /** |
151 | * Set lcd on or off | |
152 | **/ | |
09fe75f6 | 153 | static struct s3c2410fb_display h1940_lcd __initdata = { |
f28ef573 KH |
154 | .lcdcon5= S3C2410_LCDCON5_FRM565 | \ |
155 | S3C2410_LCDCON5_INVVLINE | \ | |
156 | S3C2410_LCDCON5_HWSWP, | |
09fe75f6 | 157 | |
1f411537 | 158 | .type = S3C2410_LCDCON1_TFT, |
09fe75f6 KH |
159 | .width = 240, |
160 | .height = 320, | |
69816699 | 161 | .pixclock = 260000, |
09fe75f6 KH |
162 | .xres = 240, |
163 | .yres = 320, | |
164 | .bpp = 16, | |
1f411537 KH |
165 | .left_margin = 20, |
166 | .right_margin = 8, | |
93d11f5a | 167 | .hsync_len = 4, |
5f20f69b KH |
168 | .upper_margin = 8, |
169 | .lower_margin = 7, | |
93d11f5a | 170 | .vsync_len = 1, |
09fe75f6 KH |
171 | }; |
172 | ||
173 | static struct s3c2410fb_mach_info h1940_fb_info __initdata = { | |
09fe75f6 KH |
174 | .displays = &h1940_lcd, |
175 | .num_displays = 1, | |
176 | .default_display = 0, | |
177 | ||
f92273c1 AP |
178 | .lpcsel= 0x02, |
179 | .gpccon= 0xaa940659, | |
180 | .gpccon_mask= 0xffffffff, | |
181 | .gpcup= 0x0000ffff, | |
182 | .gpcup_mask= 0xffffffff, | |
183 | .gpdcon= 0xaa84aaa0, | |
184 | .gpdcon_mask= 0xffffffff, | |
185 | .gpdup= 0x0000faff, | |
186 | .gpdup_mask= 0xffffffff, | |
f92273c1 | 187 | }; |
1da177e4 | 188 | |
ff34aaa9 | 189 | static struct platform_device h1940_device_leds = { |
d2a76020 AP |
190 | .name = "h1940-leds", |
191 | .id = -1, | |
192 | }; | |
193 | ||
ff34aaa9 | 194 | static struct platform_device h1940_device_bluetooth = { |
7fdc7849 AP |
195 | .name = "h1940-bt", |
196 | .id = -1, | |
197 | }; | |
198 | ||
22c810ab | 199 | static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { |
3909b9f7 | 200 | .gpio_detect = S3C2410_GPF(5), |
201 | .gpio_wprotect = S3C2410_GPH(8), | |
202 | .set_power = NULL, | |
203 | .ocr_avail = MMC_VDD_32_33, | |
204 | }; | |
205 | ||
22e649ff | 206 | static int h1940_backlight_init(struct device *dev) |
207 | { | |
208 | gpio_request(S3C2410_GPB(0), "Backlight"); | |
209 | ||
210 | s3c2410_gpio_setpin(S3C2410_GPB(0), 0); | |
211 | s3c2410_gpio_pullup(S3C2410_GPB(0), 0); | |
212 | s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); | |
213 | ||
214 | return 0; | |
215 | } | |
216 | ||
217 | static void h1940_backlight_exit(struct device *dev) | |
218 | { | |
219 | s3c2410_gpio_cfgpin(S3C2410_GPB(0), 1/*S3C2410_GPB0_OUTP*/); | |
220 | } | |
221 | ||
222 | static struct platform_pwm_backlight_data backlight_data = { | |
223 | .pwm_id = 0, | |
224 | .max_brightness = 100, | |
225 | .dft_brightness = 50, | |
226 | /* tcnt = 0x31 */ | |
227 | .pwm_period_ns = 36296, | |
228 | .init = h1940_backlight_init, | |
229 | .exit = h1940_backlight_exit, | |
230 | }; | |
231 | ||
232 | static struct platform_device h1940_backlight = { | |
233 | .name = "pwm-backlight", | |
234 | .dev = { | |
235 | .parent = &s3c_device_timer[0].dev, | |
236 | .platform_data = &backlight_data, | |
237 | }, | |
238 | .id = -1, | |
239 | }; | |
240 | ||
241 | static void h1940_lcd_power_set(struct plat_lcd_data *pd, | |
242 | unsigned int power) | |
243 | { | |
244 | int value; | |
245 | ||
246 | if (!power) { | |
247 | /* set to 3ec */ | |
248 | s3c2410_gpio_setpin(S3C2410_GPC(0), 0); | |
249 | /* wait for 3ac */ | |
250 | do { | |
251 | value = s3c2410_gpio_getpin(S3C2410_GPC(6)); | |
252 | } while (value); | |
253 | /* set to 38c */ | |
254 | s3c2410_gpio_setpin(S3C2410_GPC(5), 0); | |
255 | } else { | |
256 | /* Set to 3ac */ | |
257 | s3c2410_gpio_setpin(S3C2410_GPC(5), 1); | |
258 | /* Set to 3ad */ | |
259 | s3c2410_gpio_setpin(S3C2410_GPC(0), 1); | |
260 | } | |
261 | } | |
262 | ||
263 | static struct plat_lcd_data h1940_lcd_power_data = { | |
264 | .set_power = h1940_lcd_power_set, | |
265 | }; | |
266 | ||
267 | static struct platform_device h1940_lcd_powerdev = { | |
268 | .name = "platform-lcd", | |
269 | .dev.parent = &s3c_device_lcd.dev, | |
270 | .dev.platform_data = &h1940_lcd_power_data, | |
271 | }; | |
272 | ||
1da177e4 | 273 | static struct platform_device *h1940_devices[] __initdata = { |
ce8877b5 | 274 | &s3c_device_ts, |
b813248c | 275 | &s3c_device_ohci, |
1da177e4 LT |
276 | &s3c_device_lcd, |
277 | &s3c_device_wdt, | |
3e1b776c | 278 | &s3c_device_i2c0, |
1da177e4 | 279 | &s3c_device_iis, |
71a9c424 | 280 | &s3c_device_usbgadget, |
ff34aaa9 BD |
281 | &h1940_device_leds, |
282 | &h1940_device_bluetooth, | |
3909b9f7 | 283 | &s3c_device_sdi, |
13733d52 | 284 | &s3c_device_rtc, |
22e649ff | 285 | &s3c_device_timer[0], |
286 | &h1940_backlight, | |
287 | &h1940_lcd_powerdev, | |
1da177e4 LT |
288 | }; |
289 | ||
5fe10ab1 | 290 | static void __init h1940_map_io(void) |
1da177e4 LT |
291 | { |
292 | s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); | |
293 | s3c24xx_init_clocks(0); | |
294 | s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); | |
9073341c BD |
295 | |
296 | /* setup PM */ | |
297 | ||
b1dfe1f1 | 298 | #ifdef CONFIG_PM_H1940 |
9073341c | 299 | memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); |
b1dfe1f1 | 300 | #endif |
4e59c25d | 301 | s3c_pm_init(); |
1da177e4 LT |
302 | } |
303 | ||
5fe10ab1 | 304 | static void __init h1940_init_irq(void) |
1da177e4 LT |
305 | { |
306 | s3c24xx_init_irq(); | |
1da177e4 LT |
307 | } |
308 | ||
5fe10ab1 | 309 | static void __init h1940_init(void) |
f92273c1 | 310 | { |
71a9c424 AP |
311 | u32 tmp; |
312 | ||
09fe75f6 | 313 | s3c24xx_fb_set_platdata(&h1940_fb_info); |
22c810ab | 314 | s3c24xx_mci_set_platdata(&h1940_mmc_cfg); |
71a9c424 | 315 | s3c24xx_udc_set_platdata(&h1940_udc_cfg); |
ce8877b5 | 316 | s3c24xx_ts_set_platdata(&h1940_ts_cfg); |
3e1b776c | 317 | s3c_i2c0_set_platdata(NULL); |
71a9c424 AP |
318 | |
319 | /* Turn off suspend on both USB ports, and switch the | |
320 | * selectable USB port to USB device mode. */ | |
321 | ||
322 | s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | | |
323 | S3C2410_MISCCR_USBSUSPND0 | | |
324 | S3C2410_MISCCR_USBSUSPND1, 0x0); | |
325 | ||
e24b864a BD |
326 | tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT) |
327 | | (0x02 << S3C24XX_PLLCON_PDIVSHIFT) | |
328 | | (0x03 << S3C24XX_PLLCON_SDIVSHIFT); | |
71a9c424 | 329 | writel(tmp, S3C2410_UPLLCON); |
57e5171c | 330 | |
22e649ff | 331 | gpio_request(S3C2410_GPC(0), "LCD power"); |
332 | gpio_request(S3C2410_GPC(5), "LCD power"); | |
333 | gpio_request(S3C2410_GPC(6), "LCD power"); | |
334 | ||
335 | ||
57e5171c | 336 | platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); |
f92273c1 AP |
337 | } |
338 | ||
1da177e4 | 339 | MACHINE_START(H1940, "IPAQ-H1940") |
e9dea0c6 | 340 | /* Maintainer: Ben Dooks <ben@fluff.org> */ |
e9dea0c6 RK |
341 | .phys_io = S3C2410_PA_UART, |
342 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, | |
343 | .boot_params = S3C2410_SDRAM_PA + 0x100, | |
344 | .map_io = h1940_map_io, | |
345 | .init_irq = h1940_init_irq, | |
71a9c424 | 346 | .init_machine = h1940_init, |
1da177e4 LT |
347 | .timer = &s3c24xx_timer, |
348 | MACHINE_END |