patch-2.4.20 linux-2.4.20/arch/mips/momentum/ocelot_g/gt64240_dep.h

• Lines: 58
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/mips/momentum/ocelot_g/gt64240_dep.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/mips/momentum/ocelot_g/gt64240_dep.h linux-2.4.20/arch/mips/momentum/ocelot_g/gt64240_dep.h
@@ -0,0 +1,57 @@
+/***********************************************************************
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * arch/mips/gt64240/gt64240-dep.h
+ *     Board-dependent definitions for GT-64120 chip.
+ *
+ * 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.
+ ***********************************************************************
+ */
+
+#ifndef _ASM_GT64240_DEP_H
+#define _ASM_GT64240_DEP_H
+
+#include <asm/addrspace.h>		/* for KSEG1ADDR() */
+#include <asm/byteorder.h>		/* for cpu_to_le32() */
+
+/*
+ * PCI address allocation
+ */
+#if 0
+#define GT_PCI_MEM_BASE    (0x22000000)
+#define GT_PCI_MEM_SIZE    GT_DEF_PCI0_MEM0_SIZE
+#define GT_PCI_IO_BASE     (0x20000000)
+#define GT_PCI_IO_SIZE     GT_DEF_PCI0_IO_SIZE
+#endif
+
+extern unsigned long gt64240_base;
+
+#define GT64240_BASE       (gt64240_base)
+
+/*
+ * Because of an error/peculiarity in the Galileo chip, we need to swap the
+ * bytes when running bigendian.
+ */
+
+#define GT_WRITE(ofs, data)  \
+        *(volatile u32 *)(GT64240_BASE+(ofs)) = cpu_to_le32(data)
+#define GT_READ(ofs, data)   \
+        *(data) = le32_to_cpu(*(volatile u32 *)(GT64240_BASE+(ofs)))
+#define GT_READ_DATA(ofs)    \
+        le32_to_cpu(*(volatile u32 *)(GT64240_BASE+(ofs)))
+
+#define GT_WRITE_16(ofs, data)  \
+        *(volatile u16 *)(GT64240_BASE+(ofs)) = cpu_to_le16(data)
+#define GT_READ_16(ofs, data)   \
+        *(data) = le16_to_cpu(*(volatile u16 *)(GT64240_BASE+(ofs)))
+
+#define GT_WRITE_8(ofs, data)  \
+        *(volatile u8 *)(GT64240_BASE+(ofs)) = data
+#define GT_READ_8(ofs, data)   \
+        *(data) = *(volatile u8 *)(GT64240_BASE+(ofs))
+
+#endif  /* _ASM_GT64120_MOMENCO_OCELOT_GT64120_DEP_H */