Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / tty / serial / 8250 / 8250_fourport.c

diff --git a/kernel/drivers/tty/serial/8250/8250_fourport.c b/kernel/drivers/tty/serial/8250/8250_fourport.c
new file mode 100644 (file)
index 0000000..be15826
--- /dev/null
+++ b/kernel/drivers/tty/serial/8250/8250_fourport.c
@@ -0,0 +1,51 @@
+/*
+ *  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/serial_8250.h>
+
+#define PORT(_base,_irq)                                               \
+       {                                                               \
+               .iobase         = _base,                                \
+               .irq            = _irq,                                 \
+               .uartclk        = 1843200,                              \
+               .iotype         = UPIO_PORT,                            \
+               .flags          = UPF_BOOT_AUTOCONF | UPF_FOURPORT,     \
+       }
+
+static struct plat_serial8250_port fourport_data[] = {
+       PORT(0x1a0, 9),
+       PORT(0x1a8, 9),
+       PORT(0x1b0, 9),
+       PORT(0x1b8, 9),
+       PORT(0x2a0, 5),
+       PORT(0x2a8, 5),
+       PORT(0x2b0, 5),
+       PORT(0x2b8, 5),
+       { },
+};
+
+static struct platform_device fourport_device = {
+       .name                   = "serial8250",
+       .id                     = PLAT8250_DEV_FOURPORT,
+       .dev                    = {
+               .platform_data  = fourport_data,
+       },
+};
+
+static int __init fourport_init(void)
+{
+       return platform_device_register(&fourport_device);
+}
+
+module_init(fourport_init);
+
+MODULE_AUTHOR("Russell King");
+MODULE_DESCRIPTION("8250 serial probe module for AST Fourport cards");
+MODULE_LICENSE("GPL");