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