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Diffstat (limited to 'kernel/arch/sh/include/mach-common/mach/secureedge5410.h')
-rw-r--r--kernel/arch/sh/include/mach-common/mach/secureedge5410.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/kernel/arch/sh/include/mach-common/mach/secureedge5410.h b/kernel/arch/sh/include/mach-common/mach/secureedge5410.h
new file mode 100644
index 000000000..3653b9a4b
--- /dev/null
+++ b/kernel/arch/sh/include/mach-common/mach/secureedge5410.h
@@ -0,0 +1,49 @@
+/*
+ * include/asm-sh/snapgear.h
+ *
+ * Modified version of io_se.h for the snapgear-specific functions.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ * IO functions for a SnapGear
+ */
+
+#ifndef _ASM_SH_IO_SNAPGEAR_H
+#define _ASM_SH_IO_SNAPGEAR_H
+
+#define __IO_PREFIX snapgear
+#include <asm/io_generic.h>
+
+/*
+ * We need to remember what was written to the ioport as some bits
+ * are shared with other functions and you cannot read back what was
+ * written :-|
+ *
+ * Bit Read Write
+ * -----------------------------------------------
+ * D0 DCD on ttySC1 power
+ * D1 Reset Switch heatbeat
+ * D2 ttySC0 CTS (7100) LAN
+ * D3 - WAN
+ * D4 ttySC0 DCD (7100) CONSOLE
+ * D5 - ONLINE
+ * D6 - VPN
+ * D7 - DTR on ttySC1
+ * D8 - ttySC0 RTS (7100)
+ * D9 - ttySC0 DTR (7100)
+ * D10 - RTC SCLK
+ * D11 RTC DATA RTC DATA
+ * D12 - RTS RESET
+ */
+
+#define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000)
+extern unsigned short secureedge5410_ioport;
+
+#define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \
+ (secureedge5410_ioport = \
+ ((secureedge5410_ioport & ~(mask)) | ((val) & (mask)))))
+#define SECUREEDGE_READ_IOPORT() \
+ ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817))
+
+#endif /* _ASM_SH_IO_SNAPGEAR_H */