diff options
Diffstat (limited to 'drivers/serial/8250_mca.c')
-rw-r--r-- | drivers/serial/8250_mca.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/serial/8250_mca.c b/drivers/serial/8250_mca.c new file mode 100644 index 000000000000..f0c40d68b8c1 --- /dev/null +++ b/drivers/serial/8250_mca.c @@ -0,0 +1,64 @@ +/* + * 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/config.h> +#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 = 5, + .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"); |