linux/linux-5.18.11/arch/arm/mach-s3c/mach-otom.c

124 lines
2.8 KiB
C

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2004 Nex Vision
// Guillaume GOURAT <guillaume.gourat@nexvision.fr>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include "gpio-samsung.h"
#include "gpio-cfg.h"
#include "cpu.h"
#include "devs.h"
#include "s3c24xx.h"
#include "otom.h"
static struct map_desc otom11_iodesc[] __initdata = {
/* Device area */
{ (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
/* port 2 is not actually used */
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
/* NOR Flash on NexVision OTOM board */
static struct resource otom_nor_resource[] = {
[0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_4M),
};
static struct platform_device otom_device_nor = {
.name = "mtd-flash",
.id = -1,
.num_resources = ARRAY_SIZE(otom_nor_resource),
.resource = otom_nor_resource,
};
/* Standard OTOM devices */
static struct platform_device *otom11_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_iis,
&s3c_device_rtc,
&otom_device_nor,
};
static void __init otom11_map_io(void)
{
s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
}
static void __init otom11_init_time(void)
{
s3c2410_init_clocks(12000000);
s3c24xx_timer_init();
}
static void __init otom11_init(void)
{
s3c_i2c0_set_platdata(NULL);
/* Configure the I2S pins (GPE0...GPE4) in correct mode */
s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
S3C_GPIO_PULL_NONE);
platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
}
MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
.atag_offset = 0x100,
.map_io = otom11_map_io,
.init_machine = otom11_init,
.init_irq = s3c2410_init_irq,
.init_time = otom11_init_time,
MACHINE_END