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-rw-r--r--arch/arm/mach-footbridge/isa.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c
new file mode 100644
index 000000000..84caccddc
--- /dev/null
+++ b/arch/arm/mach-footbridge/isa.c
@@ -0,0 +1,94 @@
+// 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;
+
+ /* Personal server doesn't have RTC */
+ 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);