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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-20 16:39:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-20 16:39:23 -0800
commitfc887b15d935ead2a00aef5779a18034e7c69ee1 (patch)
tree30daa1c9bafbf179047047c67d11ccd98e27d809 /drivers/tty/serial/8250_mca.c
parent466c19063b4b426d5c362572787cb249fbf4296b (diff)
parentdf6212529c646710502657b18d8f42927f3dda81 (diff)
downloadblackbird-op-linux-fc887b15d935ead2a00aef5779a18034e7c69ee1.tar.gz
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Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: tty: update MAINTAINERS file due to driver movement tty: move drivers/serial/ to drivers/tty/serial/ tty: move hvc drivers to drivers/tty/hvc/
Diffstat (limited to 'drivers/tty/serial/8250_mca.c')
-rw-r--r--drivers/tty/serial/8250_mca.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250_mca.c b/drivers/tty/serial/8250_mca.c
new file mode 100644
index 000000000000..d10be944ad44
--- /dev/null
+++ b/drivers/tty/serial/8250_mca.c
@@ -0,0 +1,63 @@
+/*
+ * linux/drivers/serial/8250_mca.c
+ *
+ * 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");
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