1 /*********************************************************************** 2 * Copyright 2001 MontaVista Software Inc. 3 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net 4 * 5 * arch/mips/gt64240/gt64240-dep.h 6 * Board-dependent definitions for GT-64120 chip. 7 * 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 *********************************************************************** 13 */ 14 15 #ifndef _ASM_GT64240_DEP_H 16 #define _ASM_GT64240_DEP_H 17 18 #include <asm/addrspace.h> /* for KSEG1ADDR() */ 19 #include <asm/byteorder.h> /* for cpu_to_le32() */ 20 21 /* 22 * PCI address allocation 23 */ 24 #if 0 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 29 #endif 30 31 extern unsigned long gt64240_base; 32 33 #define GT64240_BASE (gt64240_base) 34 35 /* 36 * Because of an error/peculiarity in the Galileo chip, we need to swap the 37 * bytes when running bigendian. 38 */ 39 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))) 46 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))) 51 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)) 56 57 #endif /* _ASM_GT64120_MOMENCO_OCELOT_GT64120_DEP_H */ 58