#define virt_to_bus virt_to_phys
#define bus_to_virt phys_to_virt
-/*
- * isa_slot_offset is the address where E(ISA) busaddress 0 is mapped
- * for the processor. This implies the assumption that there is only
- * one of these busses.
- */
-extern unsigned long isa_slot_offset;
-
/*
* Change "struct page" to physical address.
*/
memcpy((void __force *) dst, src, count);
}
-/*
- * ISA space is 'always mapped' on currently supported MIPS systems, no need
- * to explicitly ioremap() it. The fact that the ISA IO space is mapped
- * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
- * are physical addresses. The following constant pointer can be
- * used as the IO-area pointer (it can be iounmapped as well, so the
- * analogy with PCI is quite large):
- */
-#define __ISA_IO_base ((char *)(isa_slot_offset))
-
/*
* The caches on some architectures aren't dma-coherent and have need to
* handle this in software. There are three types of operations that