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