LXR linux/arch/arm/mach-s3c24xx/mach-nexcoder.c

   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
  47static 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
  55static 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
  81static struct resource nexcoder_nor_resource[] = {
  82        [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
  83};
  84
  85static struct map_info nexcoder_nor_map = {
  86        .bankwidth = 2,
  87};
  88
  89static 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
 102static 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
 115static 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
 130static 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
 139static void __init nexcoder_init_time(void)
 140{
 141        s3c2440_init_clocks(12000000);
 142        samsung_timer_init();
 143}
 144
 145static void __init nexcoder_init(void)
 146{
 147        s3c_i2c0_set_platdata(NULL);
 148        platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 149};
 150
 151MACHINE_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,
 158MACHINE_END
 159