/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-sa1100/include/mach/memory.h
*
* Copyright (C) 1999-2000 Nicolas Pitre <[email protected]>
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
#include <linux/sizes.h>
/*
* Because of the wide memory address space between physical RAM banks on the
* SA1100, it's much convenient to use Linux's SparseMEM support to implement
* our memory map representation. Assuming all memory nodes have equal access
* characteristics, we then have generic discontiguous memory support.
*
* The sparsemem banks are matched with the physical memory bank addresses
* which are incidentally the same as virtual addresses.
*
* node 0: 0xc0000000 - 0xc7ffffff
* node 1: 0xc8000000 - 0xcfffffff
* node 2: 0xd0000000 - 0xd7ffffff
* node 3: 0xd8000000 - 0xdfffffff
*/
#define MAX_PHYSMEM_BITS 32
#define SECTION_SIZE_BITS 27
/*
* Cache flushing area - SA1100 zero bank
*/
#define FLUSH_BASE_PHYS 0xe0000000
#define FLUSH_BASE 0xf5000000
#define FLUSH_BASE_MINICACHE 0xf5100000
#endif
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