arch/arm/mach-iop32x/setup.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * arch/arm/plat-iop/setup.c
   4  *
   5  * Author: Nicolas Pitre <nico@fluxnic.net>
   6  * Copyright (C) 2001 MontaVista Software, Inc.
   7  * Copyright (C) 2004 Intel Corporation.
   8  */
   9
  10 #include <linux/mm.h>
  11 #include <linux/init.h>
  12 #include <asm/mach/map.h>
  13 #include "iop3xx.h"
  14
  15 /*
  16  * Standard IO mapping for all IOP3xx based systems.  Note that
  17  * the IOP3xx OCCDR must be mapped uncached and unbuffered.
  18  */
  19 static struct map_desc iop3xx_std_desc[] __initdata = {
  20         {       /* mem mapped registers */
  21                 .virtual        = IOP3XX_PERIPHERAL_VIRT_BASE,
  22                 .pfn            = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
  23                 .length         = IOP3XX_PERIPHERAL_SIZE,
  24                 .type           = MT_UNCACHED,
  25         },
  26 };
  27
  28 void __init iop3xx_map_io(void)
  29 {
  30         iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
  31 }