1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx7/snvs.c b/arch/arm/mach-imx/mx7/snvs.c
new file mode 100644
index 0000000000..7e649b8513
--- /dev/null
+++ b/arch/arm/mach-imx/mx7/snvs.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2018 Linaro
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <linux/bitops.h>
+
+#define SNVS_HPCOMR		0x04
+#define SNVS_HPCOMR_NPSWA_EN	BIT(31)
+
+void init_snvs(void)
+{
+	u32 val;
+
+	/* Ensure SNVS HPCOMR sets NPSWA_EN to allow unpriv access to SNVS LP */
+	val = readl(SNVS_BASE_ADDR + SNVS_HPCOMR);
+	val |= SNVS_HPCOMR_NPSWA_EN;
+	writel(val, SNVS_BASE_ADDR + SNVS_HPCOMR);
+}