ARM: S3C24XX: Add samsung-time support for s3c24xx
[sfrench/cifs-2.6.git] / arch / arm / mach-s3c24xx / mach-smdk2416.c
1 /* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
2  *
3  * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
4  *      as part of OpenInkpot project
5  * Copyright (c) 2009 Promwad Innovation Company
6  *      Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
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  *
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>
20 #include <linux/serial_core.h>
21 #include <linux/platform_device.h>
22 #include <linux/io.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/gpio.h>
25 #include <linux/fb.h>
26 #include <linux/delay.h>
27
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/irq.h>
31
32 #include <video/samsung_fimd.h>
33 #include <mach/hardware.h>
34 #include <asm/irq.h>
35 #include <asm/mach-types.h>
36
37 #include <plat/regs-serial.h>
38 #include <mach/regs-gpio.h>
39 #include <mach/regs-lcd.h>
40 #include <mach/regs-s3c2443-clock.h>
41
42 #include <linux/platform_data/leds-s3c24xx.h>
43 #include <linux/platform_data/i2c-s3c2410.h>
44
45 #include <plat/gpio-cfg.h>
46 #include <plat/clock.h>
47 #include <plat/devs.h>
48 #include <plat/cpu.h>
49 #include <linux/platform_data/mtd-nand-s3c2410.h>
50 #include <plat/sdhci.h>
51 #include <linux/platform_data/usb-s3c2410_udc.h>
52 #include <linux/platform_data/s3c-hsudc.h>
53 #include <plat/samsung-time.h>
54
55 #include <plat/fb.h>
56
57 #include "common.h"
58 #include "common-smdk.h"
59
60 static struct map_desc smdk2416_iodesc[] __initdata = {
61         /* ISA IO Space map (memory space selected by A24) */
62
63         {
64                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
65                 .pfn            = __phys_to_pfn(S3C2410_CS2),
66                 .length         = 0x10000,
67                 .type           = MT_DEVICE,
68         }, {
69                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
70                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
71                 .length         = SZ_4M,
72                 .type           = MT_DEVICE,
73         }, {
74                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
75                 .pfn            = __phys_to_pfn(S3C2410_CS2),
76                 .length         = 0x10000,
77                 .type           = MT_DEVICE,
78         }, {
79                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
80                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
81                 .length         = SZ_4M,
82                 .type           = MT_DEVICE,
83         }
84 };
85
86 #define UCON (S3C2410_UCON_DEFAULT      | \
87                 S3C2440_UCON_PCLK       | \
88                 S3C2443_UCON_RXERR_IRQEN)
89
90 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
91
92 #define UFCON (S3C2410_UFCON_RXTRIG8    | \
93                 S3C2410_UFCON_FIFOMODE  | \
94                 S3C2440_UFCON_TXTRIG16)
95
96 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
97         [0] = {
98                 .hwport      = 0,
99                 .flags       = 0,
100                 .ucon        = UCON,
101                 .ulcon       = ULCON,
102                 .ufcon       = UFCON,
103         },
104         [1] = {
105                 .hwport      = 1,
106                 .flags       = 0,
107                 .ucon        = UCON,
108                 .ulcon       = ULCON,
109                 .ufcon       = UFCON,
110         },
111         /* IR port */
112         [2] = {
113                 .hwport      = 2,
114                 .flags       = 0,
115                 .ucon        = UCON,
116                 .ulcon       = ULCON | 0x50,
117                 .ufcon       = UFCON,
118         },
119         [3] = {
120                 .hwport      = 3,
121                 .flags       = 0,
122                 .ucon        = UCON,
123                 .ulcon       = ULCON,
124                 .ufcon       = UFCON,
125         }
126 };
127
128 static void smdk2416_hsudc_gpio_init(void)
129 {
130         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
131         s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
132         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
133         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
134 }
135
136 static void smdk2416_hsudc_gpio_uninit(void)
137 {
138         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
139         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
140         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
141 }
142
143 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
144         .epnum = 9,
145         .gpio_init = smdk2416_hsudc_gpio_init,
146         .gpio_uninit = smdk2416_hsudc_gpio_uninit,
147 };
148
149 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
150         [0] = {
151                 .default_bpp    = 16,
152                 .max_bpp        = 32,
153                 .xres           = 800,
154                 .yres           = 480,
155         },
156 };
157
158 static struct fb_videomode smdk2416_lcd_timing = {
159         .pixclock       = 41094,
160         .left_margin    = 8,
161         .right_margin   = 13,
162         .upper_margin   = 7,
163         .lower_margin   = 5,
164         .hsync_len      = 3,
165         .vsync_len      = 1,
166         .xres           = 800,
167         .yres           = 480,
168 };
169
170 static void s3c2416_fb_gpio_setup_24bpp(void)
171 {
172         unsigned int gpio;
173
174         for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
175                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
176                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
177         }
178
179         for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
180                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
181                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
182         }
183
184         for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
185                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
186                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
187         }
188 }
189
190 static struct s3c_fb_platdata smdk2416_fb_platdata = {
191         .win[0]         = &smdk2416_fb_win[0],
192         .vtiming        = &smdk2416_lcd_timing,
193         .setup_gpio     = s3c2416_fb_gpio_setup_24bpp,
194         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
195         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
196 };
197
198 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
199         .max_width              = 4,
200         .cd_type                = S3C_SDHCI_CD_GPIO,
201         .ext_cd_gpio            = S3C2410_GPF(1),
202         .ext_cd_gpio_invert     = 1,
203 };
204
205 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
206         .max_width              = 4,
207         .cd_type                = S3C_SDHCI_CD_NONE,
208 };
209
210 static struct platform_device *smdk2416_devices[] __initdata = {
211         &s3c_device_fb,
212         &s3c_device_wdt,
213         &s3c_device_ohci,
214         &s3c_device_i2c0,
215         &s3c_device_hsmmc0,
216         &s3c_device_hsmmc1,
217         &s3c_device_usb_hsudc,
218 };
219
220 static void __init smdk2416_map_io(void)
221 {
222         s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
223         s3c24xx_init_clocks(12000000);
224         s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
225         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
226 }
227
228 static void __init smdk2416_machine_init(void)
229 {
230         s3c_i2c0_set_platdata(NULL);
231         s3c_fb_set_platdata(&smdk2416_fb_platdata);
232
233         s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
234         s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
235
236         s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
237
238         gpio_request(S3C2410_GPB(4), "USBHost Power");
239         gpio_direction_output(S3C2410_GPB(4), 1);
240
241         gpio_request(S3C2410_GPB(3), "Display Power");
242         gpio_direction_output(S3C2410_GPB(3), 1);
243
244         gpio_request(S3C2410_GPB(1), "Display Reset");
245         gpio_direction_output(S3C2410_GPB(1), 1);
246
247         platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
248         smdk_machine_init();
249 }
250
251 MACHINE_START(SMDK2416, "SMDK2416")
252         /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
253         .atag_offset    = 0x100,
254
255         .init_irq       = s3c2416_init_irq,
256         .map_io         = smdk2416_map_io,
257         .init_machine   = smdk2416_machine_init,
258         .init_time      = samsung_timer_init,
259         .restart        = s3c2416_restart,
260 MACHINE_END