linuxdebug/arch/arm/mach-s3c/mach-tct_hammer.c

158 lines
3.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
//
// Copyright (c) 2007 TinCanTools
// David Anders <danders@amltd.com>
//
// @History:
// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
// Ben Dooks <ben@simtec.co.uk>
#include <linux/gpio/machine.h>
#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/device.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include "devs.h"
#include "cpu.h"
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
#include "s3c24xx.h"
static struct resource tct_hammer_nor_resource =
DEFINE_RES_MEM(0x00000000, SZ_16M);
static struct mtd_partition tct_hammer_mtd_partitions[] = {
{
.name = "System",
.size = 0x240000,
.offset = 0,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "JFFS2",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
}
};
static struct physmap_flash_data tct_hammer_flash_data = {
.width = 2,
.parts = tct_hammer_mtd_partitions,
.nr_parts = ARRAY_SIZE(tct_hammer_mtd_partitions),
};
static struct platform_device tct_hammer_device_nor = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &tct_hammer_flash_data,
},
.num_resources = 1,
.resource = &tct_hammer_nor_resource,
};
static struct map_desc tct_hammer_iodesc[] __initdata = {
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
static struct gpiod_lookup_table tct_hammer_mmc_gpio_table = {
.dev_id = "s3c2410-sdi",
.table = {
/* bus pins */
GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
{ },
},
};
static struct platform_device *tct_hammer_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_ohci,
&s3c_device_rtc,
&s3c_device_usbgadget,
&s3c_device_sdi,
&tct_hammer_device_nor,
};
static void __init tct_hammer_map_io(void)
{
s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc));
s3c24xx_init_uarts(tct_hammer_uartcfgs, ARRAY_SIZE(tct_hammer_uartcfgs));
s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
}
static void __init tct_hammer_init_time(void)
{
s3c2410_init_clocks(12000000);
s3c24xx_timer_init();
}
static void __init tct_hammer_init(void)
{
s3c_i2c0_set_platdata(NULL);
gpiod_add_lookup_table(&tct_hammer_mmc_gpio_table);
platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices));
}
MACHINE_START(TCT_HAMMER, "TCT_HAMMER")
.atag_offset = 0x100,
.nr_irqs = NR_IRQS_S3C2410,
.map_io = tct_hammer_map_io,
.init_irq = s3c2410_init_irq,
.init_machine = tct_hammer_init,
.init_time = tct_hammer_init_time,
MACHINE_END