board/freescale/common/ns_access.c

   1 /*
   2  * Copyright 2014 Freescale Semiconductor
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/arch/ns_access.h>
  10
  11 void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
  12 {
  13         u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
  14         u32 *reg;
  15         uint32_t val;
  16         int i;
  17
  18         for (i = 0; i < num; i++) {
  19                 reg = base + ns_dev[i].ind / 2;
  20                 val = in_be32(reg);
  21                 if (ns_dev[i].ind % 2 == 0) {
  22                         val &= 0x0000ffff;
  23                         val |= ns_dev[i].val << 16;
  24                 } else {
  25                         val &= 0xffff0000;
  26                         val |= ns_dev[i].val;
  27                 }
  28                 out_be32(reg, val);
  29         }
  30 }