1 // SPDX-License-Identifier: GPL-2.0
2 // linux/arch/arm/mach-s3c2440/mach-nexcoder.c
4 // Copyright (c) 2004 Nex Vision
5 // Guillaume GOURAT <guillaume.gourat@nexvision.tv>
8 // 15-10-2004 GG Created initial version
9 // 12-03-2005 BJD Updated for release
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>
24 #include <linux/mtd/map.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
30 #include <asm/setup.h>
31 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
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>
40 #include <plat/gpio-cfg.h>
41 #include <plat/devs.h>
43 #include <plat/samsung-time.h>
47 static struct map_desc nexcoder_iodesc[] __initdata = {
48 /* nothing here yet */
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
55 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
79 /* NOR Flash on NexVision NexCoder 2440 board */
81 static struct resource nexcoder_nor_resource[] = {
82 [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
85 static struct map_info nexcoder_nor_map = {
89 static struct platform_device nexcoder_device_nor = {
92 .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
93 .resource = nexcoder_nor_resource,
96 .platform_data = &nexcoder_nor_map,
100 /* Standard Nexcoder devices */
102 static struct platform_device *nexcoder_devices[] __initdata = {
112 &nexcoder_device_nor,
115 static void __init nexcoder_sensorboard_init(void)
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 */
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 */
130 static void __init nexcoder_map_io(void)
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);
136 nexcoder_sensorboard_init();
139 static void __init nexcoder_init_time(void)
141 s3c2440_init_clocks(12000000);
142 samsung_timer_init();
145 static void __init nexcoder_init(void)
147 s3c_i2c0_set_platdata(NULL);
148 platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
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,