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-rw-r--r--board/freescale/common/ns_access.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/board/freescale/common/ns_access.c b/board/freescale/common/ns_access.c
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+++ b/board/freescale/common/ns_access.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2014 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/ns_access.h>
+
+void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
+{
+ u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
+ u32 *reg;
+ uint32_t val;
+ int i;
+
+ for (i = 0; i < num; i++) {
+ reg = base + ns_dev[i].ind / 2;
+ val = in_be32(reg);
+ if (ns_dev[i].ind % 2 == 0) {
+ val &= 0x0000ffff;
+ val |= ns_dev[i].val << 16;
+ } else {
+ val &= 0xffff0000;
+ val |= ns_dev[i].val;
+ }
+ out_be32(reg, val);
+ }
+}