1 // SPDX-License-Identifier: GPL-2.0
2 // linux/arch/arm/mach-s3c2440/mach-nexcoder.c
3 //
4 // Copyright (c) 2004 Nex Vision
5 // Guillaume GOURAT <guillaume.gourat@nexvision.tv>
6 //
7 // Modifications:
8 // 15-10-2004 GG Created initial version
9 // 12-03-2005 BJD Updated for release
10
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
17 #include <linux/gpio.h>
18 #include <linux/string.h>
19 #include <linux/serial_core.h>
20 #include <linux/serial_s3c.h>
21 #include <linux/platform_device.h>
22 #include <linux/io.h>
23
24 #include <linux/mtd/map.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <asm/setup.h>
31 #include <mach/hardware.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34
35 //#include <asm/debug-ll.h>
36 #include <mach/regs-gpio.h>
37 #include <mach/gpio-samsung.h>
38 #include <linux/platform_data/i2c-s3c2410.h>
39
40 #include <plat/gpio-cfg.h>
41 #include <plat/devs.h>
42 #include <plat/cpu.h>
43 #include <plat/samsung-time.h>
44
45 #include "common.h"
46
47 static struct map_desc nexcoder_iodesc[] __initdata = {
48 /* nothing here yet */
49 };
50
51 #define UCON S3C2410_UCON_DEFAULT
52 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
53 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
54
55 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
56 [0] = {
57 .hwport = 0,
58 .flags = 0,
59 .ucon = UCON,
60 .ulcon = ULCON,
61 .ufcon = UFCON,
62 },
63 [1] = {
64 .hwport = 1,
65 .flags = 0,
66 .ucon = UCON,
67 .ulcon = ULCON,
68 .ufcon = UFCON,
69 },
70 [2] = {
71 .hwport = 2,
72 .flags = 0,
73 .ucon = UCON,
74 .ulcon = ULCON,
75 .ufcon = UFCON,
76 }
77 };
78
79 /* NOR Flash on NexVision NexCoder 2440 board */
80
81 static struct resource nexcoder_nor_resource[] = {
82 [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
83 };
84
85 static struct map_info nexcoder_nor_map = {
86 .bankwidth = 2,
87 };
88
89 static struct platform_device nexcoder_device_nor = {
90 .name = "mtd-flash",
91 .id = -1,
92 .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
93 .resource = nexcoder_nor_resource,
94 .dev =
95 {
96 .platform_data = &nexcoder_nor_map,
97 }
98 };
99
100 /* Standard Nexcoder devices */
101
102 static struct platform_device *nexcoder_devices[] __initdata = {
103 &s3c_device_ohci,
104 &s3c_device_lcd,
105 &s3c_device_wdt,
106 &s3c_device_i2c0,
107 &s3c_device_iis,
108 &s3c_device_rtc,
109 &s3c_device_camif,
110 &s3c_device_spi0,
111 &s3c_device_spi1,
112 &nexcoder_device_nor,
113 };
114
nexcoder_sensorboard_init(void)115 static void __init nexcoder_sensorboard_init(void)
116 {
117 /* Initialize SCCB bus */
118 gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
119 gpio_free(S3C2410_GPE(14)); /* IICSCL */
120 gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
121 gpio_free(S3C2410_GPE(15)); /* IICSDA */
122
123 /* Power up the sensor board */
124 gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
125 gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
126 gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
127 gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
128 }
129
nexcoder_map_io(void)130 static void __init nexcoder_map_io(void)
131 {
132 s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
133 s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
134 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
135
136 nexcoder_sensorboard_init();
137 }
138
nexcoder_init_time(void)139 static void __init nexcoder_init_time(void)
140 {
141 s3c2440_init_clocks(12000000);
142 samsung_timer_init();
143 }
144
nexcoder_init(void)145 static void __init nexcoder_init(void)
146 {
147 s3c_i2c0_set_platdata(NULL);
148 platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
149 };
150
151 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
152 /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
153 .atag_offset = 0x100,
154 .map_io = nexcoder_map_io,
155 .init_machine = nexcoder_init,
156 .init_irq = s3c2440_init_irq,
157 .init_time = nexcoder_init_time,
158 MACHINE_END
159