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_BYTE,
57 		.pfn		= __phys_to_pfn(S3C2410_CS2),
58 		.length		= 0x10000,
59 		.type		= MT_DEVICE,
60 	}, {
61 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
62 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
63 		.length		= SZ_4M,
64 		.type		= MT_DEVICE,
65 	}
66 };
67 
68 #define UCON (S3C2410_UCON_DEFAULT	| \
69 		S3C2440_UCON_PCLK	| \
70 		S3C2443_UCON_RXERR_IRQEN)
71 
72 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
73 
74 #define UFCON (S3C2410_UFCON_RXTRIG8	| \
75 		S3C2410_UFCON_FIFOMODE	| \
76 		S3C2440_UFCON_TXTRIG16)
77 
78 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
79 	[0] = {
80 		.hwport	     = 0,
81 		.flags	     = 0,
82 		.ucon	     = UCON,
83 		.ulcon	     = ULCON,
84 		.ufcon	     = UFCON,
85 	},
86 	[1] = {
87 		.hwport	     = 1,
88 		.flags	     = 0,
89 		.ucon	     = UCON,
90 		.ulcon	     = ULCON,
91 		.ufcon	     = UFCON,
92 	},
93 	/* IR port */
94 	[2] = {
95 		.hwport	     = 2,
96 		.flags	     = 0,
97 		.ucon	     = UCON,
98 		.ulcon	     = ULCON | 0x50,
99 		.ufcon	     = UFCON,
100 	},
101 	[3] = {
102 		.hwport	     = 3,
103 		.flags	     = 0,
104 		.ucon	     = UCON,
105 		.ulcon	     = ULCON,
106 		.ufcon	     = UFCON,
107 	}
108 };
109 
smdk2416_hsudc_gpio_init(void)110 static void smdk2416_hsudc_gpio_init(void)
111 {
112 	s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
113 	s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
114 	s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
115 	s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
116 }
117 
smdk2416_hsudc_gpio_uninit(void)118 static void smdk2416_hsudc_gpio_uninit(void)
119 {
120 	s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
121 	s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
122 	s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
123 }
124 
125 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
126 	.epnum = 9,
127 	.gpio_init = smdk2416_hsudc_gpio_init,
128 	.gpio_uninit = smdk2416_hsudc_gpio_uninit,
129 };
130 
131 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
132 	[0] = {
133 		.default_bpp	= 16,
134 		.max_bpp	= 32,
135 		.xres           = 800,
136 		.yres           = 480,
137 	},
138 };
139 
140 static struct fb_videomode smdk2416_lcd_timing = {
141 	.pixclock	= 41094,
142 	.left_margin	= 8,
143 	.right_margin	= 13,
144 	.upper_margin	= 7,
145 	.lower_margin	= 5,
146 	.hsync_len	= 3,
147 	.vsync_len	= 1,
148 	.xres           = 800,
149 	.yres           = 480,
150 };
151 
s3c2416_fb_gpio_setup_24bpp(void)152 static void s3c2416_fb_gpio_setup_24bpp(void)
153 {
154 	unsigned int gpio;
155 
156 	for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
157 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
158 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
159 	}
160 
161 	for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
162 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
163 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
164 	}
165 
166 	for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
167 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
168 		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
169 	}
170 }
171 
172 static struct s3c_fb_platdata smdk2416_fb_platdata = {
173 	.win[0]		= &smdk2416_fb_win[0],
174 	.vtiming	= &smdk2416_lcd_timing,
175 	.setup_gpio	= s3c2416_fb_gpio_setup_24bpp,
176 	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
177 	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
178 };
179 
180 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
181 	.max_width		= 4,
182 	.cd_type		= S3C_SDHCI_CD_GPIO,
183 	.ext_cd_gpio		= S3C2410_GPF(1),
184 	.ext_cd_gpio_invert	= 1,
185 };
186 
187 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
188 	.max_width		= 4,
189 	.cd_type		= S3C_SDHCI_CD_NONE,
190 };
191 
192 static struct platform_device *smdk2416_devices[] __initdata = {
193 	&s3c_device_fb,
194 	&s3c_device_wdt,
195 	&s3c_device_ohci,
196 	&s3c_device_i2c0,
197 	&s3c_device_hsmmc0,
198 	&s3c_device_hsmmc1,
199 	&s3c_device_usb_hsudc,
200 	&s3c2443_device_dma,
201 };
202 
smdk2416_init_time(void)203 static void __init smdk2416_init_time(void)
204 {
205 	s3c2416_init_clocks(12000000);
206 	s3c24xx_timer_init();
207 }
208 
smdk2416_map_io(void)209 static void __init smdk2416_map_io(void)
210 {
211 	s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
212 	s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
213 	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
214 }
215 
smdk2416_machine_init(void)216 static void __init smdk2416_machine_init(void)
217 {
218 	s3c_i2c0_set_platdata(NULL);
219 	s3c_fb_set_platdata(&smdk2416_fb_platdata);
220 
221 	s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
222 	s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
223 
224 	s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
225 
226 	gpio_request(S3C2410_GPB(4), "USBHost Power");
227 	gpio_direction_output(S3C2410_GPB(4), 1);
228 
229 	gpio_request(S3C2410_GPB(3), "Display Power");
230 	gpio_direction_output(S3C2410_GPB(3), 1);
231 
232 	gpio_request(S3C2410_GPB(1), "Display Reset");
233 	gpio_direction_output(S3C2410_GPB(1), 1);
234 
235 	platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
236 	smdk_machine_init();
237 }
238 
239 MACHINE_START(SMDK2416, "SMDK2416")
240 	/* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
241 	.atag_offset	= 0x100,
242 	.nr_irqs	= NR_IRQS_S3C2416,
243 
244 	.init_irq	= s3c2416_init_irq,
245 	.map_io		= smdk2416_map_io,
246 	.init_machine	= smdk2416_machine_init,
247 	.init_time	= smdk2416_init_time,
248 MACHINE_END
249