This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / serial / 8250_au1x00.c

diff --git a/drivers/serial/8250_au1x00.c b/drivers/serial/8250_au1x00.c
new file mode 100644 (file)
index 0000000..58015fd
--- /dev/null
+++ b/drivers/serial/8250_au1x00.c
@@ -0,0 +1,100 @@
+/*
+ * Serial Device Initialisation for Au1x00
+ *
+ * (C) Copyright Embedded Alley Solutions, Inc 2005
+ * Author: Pantelis Antoniou <pantelis@embeddedalley.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/serial_core.h>
+#include <linux/signal.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <linux/serial_8250.h>
+
+#include <asm/mach-au1x00/au1000.h>
+
+#include "8250.h"
+
+#define PORT(_base, _irq)                              \
+       {                                               \
+               .iobase         = _base,                \
+               .membase        = (void __iomem *)_base,\
+               .mapbase        = CPHYSADDR(_base),     \
+               .irq            = _irq,                 \
+               .uartclk        = 0,    /* filled */    \
+               .regshift       = 2,                    \
+               .iotype         = UPIO_AU,              \
+               .flags          = UPF_SKIP_TEST         \
+       }
+
+static struct plat_serial8250_port au1x00_data[] = {
+#if defined(CONFIG_SOC_AU1000)
+       PORT(UART0_ADDR, AU1000_UART0_INT),
+       PORT(UART1_ADDR, AU1000_UART1_INT),
+       PORT(UART2_ADDR, AU1000_UART2_INT),
+       PORT(UART3_ADDR, AU1000_UART3_INT),
+#elif defined(CONFIG_SOC_AU1500)
+       PORT(UART0_ADDR, AU1500_UART0_INT),
+       PORT(UART3_ADDR, AU1500_UART3_INT),
+#elif defined(CONFIG_SOC_AU1100)
+       PORT(UART0_ADDR, AU1100_UART0_INT),
+       PORT(UART1_ADDR, AU1100_UART1_INT),
+       /* The internal UART2 does not exist on the AU1100 processor. */
+       PORT(UART3_ADDR, AU1100_UART3_INT),
+#elif defined(CONFIG_SOC_AU1550)
+       PORT(UART0_ADDR, AU1550_UART0_INT),
+       PORT(UART1_ADDR, AU1550_UART1_INT),
+       PORT(UART3_ADDR, AU1550_UART3_INT),
+#elif defined(CONFIG_SOC_AU1200)
+       PORT(UART0_ADDR, AU1200_UART0_INT),
+       PORT(UART1_ADDR, AU1200_UART1_INT),
+#endif
+       { },
+};
+
+static struct platform_device au1x00_device = {
+       .name                   = "serial8250",
+       .id                     = PLAT8250_DEV_AU1X00,
+       .dev                    = {
+               .platform_data  = au1x00_data,
+       },
+};
+
+static int __init au1x00_init(void)
+{
+       int i;
+       unsigned int uartclk;
+
+       /* get uart clock */
+       uartclk = get_au1x00_uart_baud_base() * 16;
+
+       /* fill up uartclk */
+       for (i = 0; au1x00_data[i].flags ; i++)
+               au1x00_data[i].uartclk = uartclk;
+
+       return platform_device_register(&au1x00_device);
+}
+
+/* XXX: Yes, I know this doesn't yet work. */
+static void __exit au1x00_exit(void)
+{
+       platform_device_unregister(&au1x00_device);
+}
+
+module_init(au1x00_init);
+module_exit(au1x00_exit);
+
+MODULE_AUTHOR("Pantelis Antoniou <pantelis@embeddedalley.com>");
+MODULE_DESCRIPTION("8250 serial probe module for Au1x000 cards");
+MODULE_LICENSE("GPL");