summaryrefslogtreecommitdiff
path: root/drivers/tty/serial/8250/8250_mca.c
diff options
context:
space:
mode:
authorPaul Gortmaker <paul.gortmaker@windriver.com>2012-01-05 23:21:43 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-24 19:23:59 (GMT)
commit9bef3d4197379a995fa80f81950bbbf8d32e9e8b (patch)
tree849d7a9def86d015226fb19b2e513b76f632c8be /drivers/tty/serial/8250/8250_mca.c
parentdcd6c92267155e70a94b3927bce681ce74b80d1f (diff)
downloadlinux-9bef3d4197379a995fa80f81950bbbf8d32e9e8b.tar.xz
serial: group all the 8250 related code together
The drivers/tty/serial dir is already getting rather busy. Relocate the 8250 related drivers to their own subdir to reduce the clutter. Note that sunsu.c is not included in this move -- it is 8250-like hardware, but it does not use any of the existing infrastructure -- and does not depend on SERIAL_8250. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/serial/8250/8250_mca.c')
-rw-r--r--drivers/tty/serial/8250/8250_mca.c61
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 0000000..d20abf0
--- /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");