1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_mca.c b/drivers/tty/serial/8250/8250_mca.c
new file mode 100644
index 00000000000..d20abf04541
--- /dev/null
+++ b/drivers/tty/serial/8250/8250_mca.c
@@ -0,0 +1,61 @@
+/*
+ *  Copyright (C) 2005 Russell King.
+ *  Data taken from include/asm-i386/serial.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/mca.h>
+#include <linux/serial_8250.h>
+
+/*
+ * FIXME: Should we be doing AUTO_IRQ here?
+ */
+#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
+#define MCA_FLAGS	UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ
+#else
+#define MCA_FLAGS	UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
+#endif
+
+#define PORT(_base,_irq)			\
+	{					\
+		.iobase		= _base,	\
+		.irq		= _irq,		\
+		.uartclk	= 1843200,	\
+		.iotype		= UPIO_PORT,	\
+		.flags		= MCA_FLAGS,	\
+	}
+
+static struct plat_serial8250_port mca_data[] = {
+	PORT(0x3220, 3),
+	PORT(0x3228, 3),
+	PORT(0x4220, 3),
+	PORT(0x4228, 3),
+	PORT(0x5220, 3),
+	PORT(0x5228, 3),
+	{ },
+};
+
+static struct platform_device mca_device = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_MCA,
+	.dev			= {
+		.platform_data	= mca_data,
+	},
+};
+
+static int __init mca_init(void)
+{
+	if (!MCA_bus)
+		return -ENODEV;
+	return platform_device_register(&mca_device);
+}
+
+module_init(mca_init);
+
+MODULE_AUTHOR("Russell King");
+MODULE_DESCRIPTION("8250 serial probe module for MCA ports");
+MODULE_LICENSE("GPL");