Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / tty / serial / 8250 / 8250_exar_st16c554.c

diff --git a/kernel/drivers/tty/serial/8250/8250_exar_st16c554.c b/kernel/drivers/tty/serial/8250/8250_exar_st16c554.c
new file mode 100644 (file)
index 0000000..bf53aab
--- /dev/null
+++ b/kernel/drivers/tty/serial/8250/8250_exar_st16c554.c
@@ -0,0 +1,50 @@
+/*
+ *  Written by Paul B Schroeder < pschroeder "at" uplogix "dot" com >
+ *  Based on 8250_boca.
+ *
+ *  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,    \
+       }
+
+static struct plat_serial8250_port exar_data[] = {
+       PORT(0x100, 5),
+       PORT(0x108, 5),
+       PORT(0x110, 5),
+       PORT(0x118, 5),
+       { },
+};
+
+static struct platform_device exar_device = {
+       .name                   = "serial8250",
+       .id                     = PLAT8250_DEV_EXAR_ST16C554,
+       .dev                    = {
+               .platform_data  = exar_data,
+       },
+};
+
+static int __init exar_init(void)
+{
+       return platform_device_register(&exar_device);
+}
+
+module_init(exar_init);
+
+MODULE_AUTHOR("Paul B Schroeder");
+MODULE_DESCRIPTION("8250 serial probe module for Exar cards");
+MODULE_LICENSE("GPL");