| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * arch/arm/mach-sa1100/include/mach/memory.h |
| * |
| * Copyright (C) 1999-2000 Nicolas Pitre <nico@fluxnic.net> |
| */ |
| |
| #ifndef __ASM_ARCH_MEMORY_H |
| #define __ASM_ARCH_MEMORY_H |
| |
| #include <asm/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 |
