root/arch/arm/mach-s3c24xx/mach-nexcoder.c

DEFINITIONS

1. nexcoder_sensorboard_init
2. nexcoder_map_io
3. nexcoder_init_time
4. nexcoder_init

   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 
 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 
 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 
 139 static void __init nexcoder_init_time(void)
 140 {
 141         s3c2440_init_clocks(12000000);
 142         samsung_timer_init();
 143 }
 144 
 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