https://github.com/torvalds/linux
Tip revision: 88603b6dc419445847923fcb7fe5080067a30f98 authored by Linus Torvalds on 01 January 2023, 21:53:16 UTC
Linux 6.2-rc2
Linux 6.2-rc2
Tip revision: 88603b6
mach-smdk2413.c
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2006 Simtec Electronics
// Ben Dooks <ben@simtec.co.uk>
//
// Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
// loans of SMDK2413 to work with.
#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/gpio/machine.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/memblock.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/hardware/iomd.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
//#include <asm/debug-ll.h>
#include "hardware-s3c24xx.h"
#include "regs-gpio.h"
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/platform_data/fb-s3c2410.h>
#include "gpio-samsung.h"
#include "gpio-cfg.h"
#include "devs.h"
#include "cpu.h"
#include "s3c24xx.h"
#include "common-smdk-s3c24xx.h"
static struct map_desc smdk2413_iodesc[] __initdata = {
};
static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x03,
.ufcon = 0x51,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x03,
.ufcon = 0x51,
},
/* IR port */
[2] = {
.hwport = 2,
.flags = 0,
.ucon = 0x3c5,
.ulcon = 0x43,
.ufcon = 0x51,
}
};
static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
};
static struct gpiod_lookup_table smdk2413_udc_gpio_table = {
.dev_id = "s3c2410-usbgadget",
.table = {
GPIO_LOOKUP("GPIOF", 2, "pullup", GPIO_ACTIVE_HIGH),
{ },
},
};
static struct platform_device *smdk2413_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_iis,
&s3c_device_usbgadget,
&s3c2412_device_dma,
};
static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
{
if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
memblock_add(0x30000000, SZ_64M);
}
}
static void __init smdk2413_map_io(void)
{
s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
}
static void __init smdk2413_init_time(void)
{
s3c2412_init_clocks(12000000);
s3c24xx_timer_init();
}
static void __init smdk2413_machine_init(void)
{ /* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */
s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
gpiod_add_lookup_table(&smdk2413_udc_gpio_table);
s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
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(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
smdk_machine_init();
}
MACHINE_START(S3C2413, "S3C2413")
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
.atag_offset = 0x100,
.nr_irqs = NR_IRQS_S3C2412,
.fixup = smdk2413_fixup,
.init_irq = s3c2412_init_irq,
.map_io = smdk2413_map_io,
.init_machine = smdk2413_machine_init,
.init_time = s3c24xx_timer_init,
MACHINE_END
MACHINE_START(SMDK2412, "SMDK2412")
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
.atag_offset = 0x100,
.nr_irqs = NR_IRQS_S3C2412,
.fixup = smdk2413_fixup,
.init_irq = s3c2412_init_irq,
.map_io = smdk2413_map_io,
.init_machine = smdk2413_machine_init,
.init_time = s3c24xx_timer_init,
MACHINE_END
MACHINE_START(SMDK2413, "SMDK2413")
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
.atag_offset = 0x100,
.nr_irqs = NR_IRQS_S3C2412,
.fixup = smdk2413_fixup,
.init_irq = s3c2412_init_irq,
.map_io = smdk2413_map_io,
.init_machine = smdk2413_machine_init,
.init_time = smdk2413_init_time,
MACHINE_END