MIPS: Add core files for MIPS SEAD-3 development platform.

More information about the SEAD-3 platform can be found at
<http://www.mips.com/products/development-kits/mips-sead-3/>
on MTI's site. Currently, the M14K family of cores is what
the SEAD-3 is utilised with.

Signed-off-by: Douglas Leung <douglas@mips.com>
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/mips/mti-sead3/sead3-serial.c b/arch/mips/mti-sead3/sead3-serial.c
new file mode 100644
index 000000000000..bc52705bbee4
--- /dev/null
+++ b/arch/mips/mti-sead3/sead3-serial.c
@@ -0,0 +1,45 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/serial_8250.h>
+
+#define UART(base, int)                                                 \
+{                                                                       \
+        .mapbase        = base,                                         \
+        .irq            = int,                                          \
+        .uartclk        = 14745600,                                     \
+        .iotype         = UPIO_MEM32,                                   \
+        .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \
+        .regshift       = 2,                                            \
+}
+
+static struct plat_serial8250_port uart8250_data[] = {
+        UART(0x1f000900, MIPS_CPU_IRQ_BASE + 4),   /* ttyS0 = USB   */
+        UART(0x1f000800, MIPS_CPU_IRQ_BASE + 4),   /* ttyS1 = RS232 */
+        { },
+};
+
+static struct platform_device uart8250_device = {
+        .name                   = "serial8250",
+        .id                     = PLAT8250_DEV_PLATFORM,
+        .dev                    = {
+                .platform_data  = uart8250_data,
+        },
+};
+
+static int __init uart8250_init(void)
+{
+        return platform_device_register(&uart8250_device);
+}
+
+module_init(uart8250_init);
+
+MODULE_AUTHOR("Chris Dearman <chris@mips.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("8250 UART probe driver for the SEAD-3 platform");