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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);
|
|
