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Diffstat (limited to 'drivers/serial/bast_sio.c')
-rw-r--r--drivers/serial/bast_sio.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/serial/bast_sio.c b/drivers/serial/bast_sio.c
new file mode 100644
index 00000000000..2b48fab6f0c
--- /dev/null
+++ b/drivers/serial/bast_sio.c
@@ -0,0 +1,80 @@
+/* linux/drivers/serial/bast_sio.c
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://www.simtec.co.uk/products/EB2410ITX/
+ *
+ * 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.
+ *
+ * Modifications:
+ * 23-Sep-2004 BJD Added copyright header
+ * 23-Sep-2004 BJD Added serial port remove code
+*/
+
+#include <linux/module.h>
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/types.h>
+
+#include <asm/io.h>
+#include <asm/serial.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/map.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/bast-map.h>
+#include <asm/arch/bast-irq.h>
+
+static int __init serial_bast_register(unsigned long port, unsigned int irq)
+{
+ struct serial_struct serial_req;
+
+ serial_req.flags = UPF_AUTOPROBE | UPF_SHARE_IRQ;
+ serial_req.baud_base = BASE_BAUD;
+ serial_req.irq = irq;
+ serial_req.io_type = UPIO_MEM;
+ serial_req.iomap_base = port;
+ serial_req.iomem_base = ioremap(port, 0x10);
+ serial_req.iomem_reg_shift = 0;
+
+ return register_serial(&serial_req);
+}
+
+#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO)
+
+static int port[2] = { -1, -1 };
+
+static int __init serial_bast_init(void)
+{
+ if (machine_is_bast()) {
+ port[0] = serial_bast_register(SERIAL_BASE + 0x2f8, IRQ_PCSERIAL1);
+ port[1] = serial_bast_register(SERIAL_BASE + 0x3f8, IRQ_PCSERIAL2);
+ }
+
+ return 0;
+}
+
+static void __exit serial_bast_exit(void)
+{
+ if (port[0] != -1)
+ unregister_serial(port[0]);
+ if (port[1] != -1)
+ unregister_serial(port[1]);
+}
+
+
+module_init(serial_bast_init);
+module_exit(serial_bast_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ben Dooks, ben@simtec.co.uk");
+MODULE_DESCRIPTION("BAST Onboard Serial setup");
+
+