1 files changed, 79 insertions, 0 deletions

diff --git a/include/asm-sh/snapgear.h b/include/asm-sh/snapgear.h
new file mode 100644
index 000000000000..6b5e4ddc073a
--- /dev/null
+++ b/include/asm-sh/snapgear.h
@@ -0,0 +1,79 @@
+/*
+ * include/asm-sh/snapgear/io.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
+
+#if defined(CONFIG_CPU_SH4)
+/*
+ * The external interrupt lines, these take up ints 0 - 15 inclusive
+ * depending on the priority for the interrupt.  In fact the priority
+ * is the interrupt :-)
+ */
+
+#define IRL0_IRQ                2
+#define IRL0_IPR_ADDR   INTC_IPRD
+#define IRL0_IPR_POS    3
+#define IRL0_PRIORITY   13
+
+#define IRL1_IRQ                5
+#define IRL1_IPR_ADDR   INTC_IPRD
+#define IRL1_IPR_POS    2
+#define IRL1_PRIORITY   10
+
+#define IRL2_IRQ                8
+#define IRL2_IPR_ADDR   INTC_IPRD
+#define IRL2_IPR_POS    1
+#define IRL2_PRIORITY   7
+
+#define IRL3_IRQ                11
+#define IRL3_IPR_ADDR   INTC_IPRD
+#define IRL3_IPR_POS    0
+#define IRL3_PRIORITY   4
+#endif
+
+#define __IO_PREFIX     snapgear
+#include <asm/io_generic.h>
+
+#ifdef CONFIG_SH_SECUREEDGE5410
+/*
+ * 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
+
+#endif /* _ASM_SH_IO_SNAPGEAR_H */