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1 // SPDX-License-Identifier: GPL-2.0
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 #include <linux/kernel.h>
9 #include <linux/types.h>
10 #include <linux/interrupt.h>
11 #include <linux/list.h>
12 #include <linux/timer.h>
13 #include <linux/init.h>
14 #include <linux/serial_core.h>
15 #include <linux/serial_s3c.h>
16 #include <linux/platform_device.h>
17 #include <linux/io.h>
18 #include <linux/mtd/partitions.h>
19 #include <linux/gpio.h>
20 #include <linux/fb.h>
21 #include <linux/delay.h>
22 
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
26 
27 #include <video/samsung_fimd.h>
28 #include <asm/irq.h>
29 #include <asm/mach-types.h>
30 
31 #include "hardware-s3c24xx.h"
32 #include "regs-gpio.h"
33 #include "regs-s3c2443-clock.h"
34 #include "gpio-samsung.h"
35 
36 #include <linux/platform_data/leds-s3c24xx.h>
37 #include <linux/platform_data/i2c-s3c2410.h>
38 
39 #include "gpio-cfg.h"
40 #include "devs.h"
41 #include "cpu.h"
42 #include <linux/platform_data/mtd-nand-s3c2410.h>
43 #include "sdhci.h"
44 #include <linux/platform_data/usb-s3c2410_udc.h>
45 #include <linux/platform_data/s3c-hsudc.h>
46 
47 #include "fb.h"
48 
49 #include "s3c24xx.h"
50 #include "common-smdk-s3c24xx.h"
51 
52 static struct map_desc smdk2416_iodesc[] __initdata = {
53 	/* ISA IO Space map (memory space selected by A24) */
54 
55 	{
56 		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
57 		.pfn		= __phys_to_pfn(S3C2410_CS2),
58 		.length		= 0x10000,
59 		.type		= MT_DEVICE,
60 	}, {
61 		.virtual	= (u32)S3C24XX_VA_ISA_WORD + 0x10000,
62 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
63 		.length		= SZ_4M,
64 		.type		= MT_DEVICE,
65 	}, {
66 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
67 		.pfn		= __phys_to_pfn(S3C2410_CS2),
68 		.length		= 0x10000,
69 		.type		= MT_DEVICE,
70 	}, {
71 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
72 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
73 		.length		= SZ_4M,
74 		.type		= MT_DEVICE,
75 	}
76 };
77 
78 #define UCON (S3C2410_UCON_DEFAULT	| \
79 		S3C2440_UCON_PCLK	| \
80 		S3C2443_UCON_RXERR_IRQEN)
81 
82 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
83 
84 #define UFCON (S3C2410_UFCON_RXTRIG8	| \
85 		S3C2410_UFCON_FIFOMODE	| \
86 		S3C2440_UFCON_TXTRIG16)
87 
88 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
89 	[0] = {
90 		.hwport	     = 0,
91 		.flags	     = 0,
92 		.ucon	     = UCON,
93 		.ulcon	     = ULCON,
94 		.ufcon	     = UFCON,
95 	},
96 	[1] = {
97 		.hwport	     = 1,
98 		.flags	     = 0,
99 		.ucon	     = UCON,
100 		.ulcon	     = ULCON,
101 		.ufcon	     = UFCON,
102 	},
103 	/* IR port */
104 	[2] = {
105 		.hwport	     = 2,
106 		.flags	     = 0,
107 		.ucon	     = UCON,
108 		.ulcon	     = ULCON | 0x50,
109 		.ufcon	     = UFCON,
110 	},
111 	[3] = {
112 		.hwport	     = 3,
113 		.flags	     = 0,
114 		.ucon	     = UCON,
115 		.ulcon	     = ULCON,
116 		.ufcon	     = UFCON,
117 	}
118 };
119 
smdk2416_hsudc_gpio_init(void)120 static void smdk2416_hsudc_gpio_init(void)
121 {
122 	s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
123 	s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
124 	s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
125 	s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
126 }
127 
smdk2416_hsudc_gpio_uninit(void)128 static void smdk2416_hsudc_gpio_uninit(void)
129 {
130 	s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
131 	s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
132 	s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
133 }
134 
135 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
136 	.epnum = 9,
137 	.gpio_init = smdk2416_hsudc_gpio_init,
138 	.gpio_uninit = smdk2416_hsudc_gpio_uninit,
139 };
140 
141 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
142 	[0] = {
143 		.default_bpp	= 16,
144 		.max_bpp	= 32,
145 		.xres           = 800,
146 		.yres           = 480,
147 	},
148 };
149 
150 static struct fb_videomode smdk2416_lcd_timing = {
151 	.pixclock	= 41094,
152 	.left_margin	= 8,
153 	.right_margin	= 13,
154 	.upper_margin	= 7,
155 	.lower_margin	= 5,
156 	.hsync_len	= 3,
157 	.vsync_len	= 1,
158 	.xres           = 800,
159 	.yres           = 480,
160 };
161 
s3c2416_fb_gpio_setup_24bpp(void)162 static void s3c2416_fb_gpio_setup_24bpp(void)
163 {
164 	unsigned int gpio;
165 
166 	for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
167 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
168 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
169 	}
170 
171 	for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
172 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
173 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
174 	}
175 
176 	for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
177 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
178 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
179 	}
180 }
181 
182 static struct s3c_fb_platdata smdk2416_fb_platdata = {
183 	.win[0]		= &smdk2416_fb_win[0],
184 	.vtiming	= &smdk2416_lcd_timing,
185 	.setup_gpio	= s3c2416_fb_gpio_setup_24bpp,
186 	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
187 	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
188 };
189 
190 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
191 	.max_width		= 4,
192 	.cd_type		= S3C_SDHCI_CD_GPIO,
193 	.ext_cd_gpio		= S3C2410_GPF(1),
194 	.ext_cd_gpio_invert	= 1,
195 };
196 
197 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
198 	.max_width		= 4,
199 	.cd_type		= S3C_SDHCI_CD_NONE,
200 };
201 
202 static struct platform_device *smdk2416_devices[] __initdata = {
203 	&s3c_device_fb,
204 	&s3c_device_wdt,
205 	&s3c_device_ohci,
206 	&s3c_device_i2c0,
207 	&s3c_device_hsmmc0,
208 	&s3c_device_hsmmc1,
209 	&s3c_device_usb_hsudc,
210 	&s3c2443_device_dma,
211 };
212 
smdk2416_init_time(void)213 static void __init smdk2416_init_time(void)
214 {
215 	s3c2416_init_clocks(12000000);
216 	s3c24xx_timer_init();
217 }
218 
smdk2416_map_io(void)219 static void __init smdk2416_map_io(void)
220 {
221 	s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
222 	s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
223 	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
224 }
225 
smdk2416_machine_init(void)226 static void __init smdk2416_machine_init(void)
227 {
228 	s3c_i2c0_set_platdata(NULL);
229 	s3c_fb_set_platdata(&smdk2416_fb_platdata);
230 
231 	s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
232 	s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
233 
234 	s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
235 
236 	gpio_request(S3C2410_GPB(4), "USBHost Power");
237 	gpio_direction_output(S3C2410_GPB(4), 1);
238 
239 	gpio_request(S3C2410_GPB(3), "Display Power");
240 	gpio_direction_output(S3C2410_GPB(3), 1);
241 
242 	gpio_request(S3C2410_GPB(1), "Display Reset");
243 	gpio_direction_output(S3C2410_GPB(1), 1);
244 
245 	platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
246 	smdk_machine_init();
247 }
248 
249 MACHINE_START(SMDK2416, "SMDK2416")
250 	/* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
251 	.atag_offset	= 0x100,
252 
253 	.init_irq	= s3c2416_init_irq,
254 	.map_io		= smdk2416_map_io,
255 	.init_machine	= smdk2416_machine_init,
256 	.init_time	= smdk2416_init_time,
257 MACHINE_END
258