LXR linux/arch/arm/mach-s3c/mach-otom.c

   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// Copyright (c) 2004 Nex Vision
   4//   Guillaume GOURAT <guillaume.gourat@nexvision.fr>
   5
   6#include <linux/kernel.h>
   7#include <linux/types.h>
   8#include <linux/interrupt.h>
   9#include <linux/list.h>
  10#include <linux/timer.h>
  11#include <linux/init.h>
  12#include <linux/serial_core.h>
  13#include <linux/serial_s3c.h>
  14#include <linux/platform_device.h>
  15#include <linux/io.h>
  16
  17#include <linux/platform_data/i2c-s3c2410.h>
  18
  19#include <asm/irq.h>
  20#include <asm/mach-types.h>
  21#include <asm/mach/arch.h>
  22#include <asm/mach/map.h>
  23#include <asm/mach/irq.h>
  24
  25#include "gpio-samsung.h"
  26#include "gpio-cfg.h"
  27
  28#include "cpu.h"
  29#include "devs.h"
  30
  31#include "s3c24xx.h"
  32#include "otom.h"
  33
  34static struct map_desc otom11_iodesc[] __initdata = {
  35  /* Device area */
  36        { (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
  37};
  38
  39#define UCON S3C2410_UCON_DEFAULT
  40#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  41#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  42
  43static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = {
  44        [0] = {
  45                .hwport      = 0,
  46                .flags       = 0,
  47                .ucon        = UCON,
  48                .ulcon       = ULCON,
  49                .ufcon       = UFCON,
  50        },
  51        [1] = {
  52                .hwport      = 1,
  53                .flags       = 0,
  54                .ucon        = UCON,
  55                .ulcon       = ULCON,
  56                .ufcon       = UFCON,
  57        },
  58        /* port 2 is not actually used */
  59        [2] = {
  60                .hwport      = 2,
  61                .flags       = 0,
  62                .ucon        = UCON,
  63                .ulcon       = ULCON,
  64                .ufcon       = UFCON,
  65        }
  66};
  67
  68/* NOR Flash on NexVision OTOM board */
  69
  70static struct resource otom_nor_resource[] = {
  71        [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_4M),
  72};
  73
  74static struct platform_device otom_device_nor = {
  75        .name           = "mtd-flash",
  76        .id             = -1,
  77        .num_resources  = ARRAY_SIZE(otom_nor_resource),
  78        .resource       = otom_nor_resource,
  79};
  80
  81/* Standard OTOM devices */
  82
  83static struct platform_device *otom11_devices[] __initdata = {
  84        &s3c_device_ohci,
  85        &s3c_device_lcd,
  86        &s3c_device_wdt,
  87        &s3c_device_i2c0,
  88        &s3c_device_iis,
  89        &s3c_device_rtc,
  90        &otom_device_nor,
  91};
  92
  93static void __init otom11_map_io(void)
  94{
  95        s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
  96        s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
  97        s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
  98}
  99
 100static void __init otom11_init_time(void)
 101{
 102        s3c2410_init_clocks(12000000);
 103        s3c24xx_timer_init();
 104}
 105
 106static void __init otom11_init(void)
 107{
 108        s3c_i2c0_set_platdata(NULL);
 109
 110        /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 111        s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 112                              S3C_GPIO_PULL_NONE);
 113        platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
 114}
 115
 116MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
 117        /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 118        .atag_offset    = 0x100,
 119        .map_io         = otom11_map_io,
 120        .init_machine   = otom11_init,
 121        .init_irq       = s3c2410_init_irq,
 122        .init_time      = otom11_init_time,
 123MACHINE_END
 124