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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-footbridge/isa.c
*
* Copyright (C) 2004 Russell King.
*/
#include <linux/init.h>
#include <linux/serial_8250.h>
#include <asm/irq.h>
#include <asm/hardware/dec21285.h>
#include "common.h"
static struct resource rtc_resources[] = {
[0] = {
.start = 0x70,
.end = 0x73,
.flags = IORESOURCE_IO,
},
[1] = {
.start = IRQ_ISA_RTC_ALARM,
.end = IRQ_ISA_RTC_ALARM,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device rtc_device = {
.name = "rtc_cmos",
.id = -1,
.resource = rtc_resources,
.num_resources = ARRAY_SIZE(rtc_resources),
};
static struct resource serial_resources[] = {
[0] = {
.start = 0x3f8,
.end = 0x3ff,
.flags = IORESOURCE_IO,
},
[1] = {
.start = 0x2f8,
.end = 0x2ff,
.flags = IORESOURCE_IO,
},
};
static struct plat_serial8250_port serial_platform_data[] = {
{
.iobase = 0x3f8,
.irq = IRQ_ISA_UART,
.uartclk = 1843200,
.regshift = 0,
.iotype = UPIO_PORT,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
{
.iobase = 0x2f8,
.irq = IRQ_ISA_UART2,
.uartclk = 1843200,
.regshift = 0,
.iotype = UPIO_PORT,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
{ },
};
static struct platform_device serial_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
.resource = serial_resources,
.num_resources = ARRAY_SIZE(serial_resources),
};
static int __init footbridge_isa_init(void)
{
int err = 0;
if (!footbridge_cfn_mode())
return 0;
/* Personal server doesn't have RTC */
if (!machine_is_personal_server()) {
isa_rtc_init();
err = platform_device_register(&rtc_device);
if (err)
printk(KERN_ERR "Unable to register RTC device: %d\n", err);
}
err = platform_device_register(&serial_device);
if (err)
printk(KERN_ERR "Unable to register serial device: %d\n", err);
return 0;
}
arch_initcall(footbridge_isa_init);
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