arch/arm/mach-s3c/include/mach/map-base.h

   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 /* This is used for the CPU specific mappings that may be needed, so that
  37  * they do not need to directly used S3C_ADDR() and thus make it easier to
  38  * modify the space for mapping.
  39  */
  40 #define S3C_ADDR_CPU(x) S3C_ADDR(0x00500000 + (x))
  41
  42 #endif /* __ASM_PLAT_MAP_H */