1 /***********************************************************************
2 * Copyright 2001 MontaVista Software Inc.
3 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
5 * arch/mips/gt64240/gt64240-dep.h
6 * Board-dependent definitions for GT-64120 chip.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 ***********************************************************************
15 #ifndef _ASM_GT64240_DEP_H
16 #define _ASM_GT64240_DEP_H
18 #include <asm/addrspace.h> /* for KSEG1ADDR() */
19 #include <asm/byteorder.h> /* for cpu_to_le32() */
22 * PCI address allocation
25 #define GT_PCI_MEM_BASE (0x22000000)
26 #define GT_PCI_MEM_SIZE GT_DEF_PCI0_MEM0_SIZE
27 #define GT_PCI_IO_BASE (0x20000000)
28 #define GT_PCI_IO_SIZE GT_DEF_PCI0_IO_SIZE
31 extern unsigned long gt64240_base;
33 #define GT64240_BASE (gt64240_base)
36 * Because of an error/peculiarity in the Galileo chip, we need to swap the
37 * bytes when running bigendian.
40 #define GT_WRITE(ofs, data) \
41 *(volatile u32 *)(GT64240_BASE+(ofs)) = cpu_to_le32(data)
42 #define GT_READ(ofs, data) \
43 *(data) = le32_to_cpu(*(volatile u32 *)(GT64240_BASE+(ofs)))
44 #define GT_READ_DATA(ofs) \
45 le32_to_cpu(*(volatile u32 *)(GT64240_BASE+(ofs)))
47 #define GT_WRITE_16(ofs, data) \
48 *(volatile u16 *)(GT64240_BASE+(ofs)) = cpu_to_le16(data)
49 #define GT_READ_16(ofs, data) \
50 *(data) = le16_to_cpu(*(volatile u16 *)(GT64240_BASE+(ofs)))
52 #define GT_WRITE_8(ofs, data) \
53 *(volatile u8 *)(GT64240_BASE+(ofs)) = data
54 #define GT_READ_8(ofs, data) \
55 *(data) = *(volatile u8 *)(GT64240_BASE+(ofs))
57 #endif /* _ASM_GT64120_MOMENCO_OCELOT_GT64120_DEP_H */