arch/arm/cpu/armv7/keystone/keystone.c

   1 /*
   2  * Keystone EVM : Board initialization
   3  *
   4  * (C) Copyright 2014
   5  *     Texas Instruments Incorporated, <www.ti.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include <asm/io.h>
  12 #include <asm/arch/hardware.h>
  13
  14 /**
  15  * cpu_to_bus - swap bytes of the 32-bit data if the device is BE
  16  * @ptr - array of data
  17  * @length - lenght of data array
  18  */
  19 int cpu_to_bus(u32 *ptr, u32 length)
  20 {
  21         u32 i;
  22
  23         if (!(readl(K2HK_DEVSTAT) & 0x1))
  24                 for (i = 0; i < length; i++, ptr++)
  25                         *ptr = cpu_to_be32(*ptr);
  26
  27         return 0;
  28 }