1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright 2003, 2007 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C - Memory map definitions (virtual addresses)
8 */
9
10#ifndef __ASM_PLAT_MAP_H
11#define __ASM_PLAT_MAP_H __FILE__
12
13/* Fit all our registers in at 0xF6000000 upwards, trying to use as
14 * little of the VA space as possible so vmalloc and friends have a
15 * better chance of getting memory.
16 *
17 * we try to ensure stuff like the IRQ registers are available for
18 * an single MOVS instruction (ie, only 8 bits of set data)
19 */
20
21#define S3C_ADDR_BASE 0xF6000000
22
23#ifndef __ASSEMBLY__
24#define S3C_ADDR(x) ((void __iomem __force *)S3C_ADDR_BASE + (x))
25#else
26#define S3C_ADDR(x) (S3C_ADDR_BASE + (x))
27#endif
28
29#define S3C_VA_IRQ S3C_ADDR(0x00000000) /* irq controller(s) */
30#define S3C_VA_SYS S3C_ADDR(0x00100000) /* system control */
31#define S3C_VA_MEM S3C_ADDR(0x00200000) /* memory control */
32#define S3C_VA_TIMER S3C_ADDR(0x00300000) /* timer block */
33#define S3C_VA_WATCHDOG S3C_ADDR(0x00400000) /* watchdog */
34#define S3C_VA_UART S3C_ADDR(0x01000000) /* UART */
35
36/* ISA device mapping for BAST to use with inb()/outb() on 8-bit I/O.
37 * 16-bit I/O on BAST now requires driver modifications to manually
38 * ioremap CS3.
39 */
40#define S3C24XX_VA_ISA_BYTE PCI_IOBASE
41
42/* This is used for the CPU specific mappings that may be needed, so that
43 * they do not need to directly used S3C_ADDR() and thus make it easier to
44 * modify the space for mapping.
45 */
46#define S3C_ADDR_CPU(x) S3C_ADDR(0x00500000 + (x))
47
48#endif /* __ASM_PLAT_MAP_H */
49

source code of linux/arch/arm/mach-s3c/map-base.h