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Linux/arch/arm/mach-s3c24xx/mach-smdk2416.c

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  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/serial_s3c.h>
 22 #include <linux/platform_device.h>
 23 #include <linux/io.h>
 24 #include <linux/mtd/partitions.h>
 25 #include <linux/gpio.h>
 26 #include <linux/fb.h>
 27 #include <linux/delay.h>
 28 
 29 #include <asm/mach/arch.h>
 30 #include <asm/mach/map.h>
 31 #include <asm/mach/irq.h>
 32 
 33 #include <video/samsung_fimd.h>
 34 #include <mach/hardware.h>
 35 #include <asm/irq.h>
 36 #include <asm/mach-types.h>
 37 
 38 #include <mach/regs-gpio.h>
 39 #include <mach/regs-lcd.h>
 40 #include <mach/regs-s3c2443-clock.h>
 41 #include <mach/gpio-samsung.h>
 42 
 43 #include <linux/platform_data/leds-s3c24xx.h>
 44 #include <linux/platform_data/i2c-s3c2410.h>
 45 
 46 #include <plat/gpio-cfg.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         &s3c2443_device_dma,
219 };
220 
221 static void __init smdk2416_init_time(void)
222 {
223         s3c2416_init_clocks(12000000);
224         samsung_timer_init();
225 }
226 
227 static void __init smdk2416_map_io(void)
228 {
229         s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
230         s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
231         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
232 }
233 
234 static void __init smdk2416_machine_init(void)
235 {
236         s3c_i2c0_set_platdata(NULL);
237         s3c_fb_set_platdata(&smdk2416_fb_platdata);
238 
239         s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
240         s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
241 
242         s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
243 
244         gpio_request(S3C2410_GPB(4), "USBHost Power");
245         gpio_direction_output(S3C2410_GPB(4), 1);
246 
247         gpio_request(S3C2410_GPB(3), "Display Power");
248         gpio_direction_output(S3C2410_GPB(3), 1);
249 
250         gpio_request(S3C2410_GPB(1), "Display Reset");
251         gpio_direction_output(S3C2410_GPB(1), 1);
252 
253         platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
254         smdk_machine_init();
255 }
256 
257 MACHINE_START(SMDK2416, "SMDK2416")
258         /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
259         .atag_offset    = 0x100,
260 
261         .init_irq       = s3c2416_init_irq,
262         .map_io         = smdk2416_map_io,
263         .init_machine   = smdk2416_machine_init,
264         .init_time      = smdk2416_init_time,
265 MACHINE_END
266 

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