1 /* 2 * Copyright 2018 Linaro 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <asm/io.h> 8 #include <asm/arch/imx-regs.h> 9 #include <linux/bitops.h> 10 11 #define SNVS_HPCOMR 0x04 12 #define SNVS_HPCOMR_NPSWA_EN BIT(31) 13 14 void init_snvs(void) 15 { 16 u32 val; 17 18 /* Ensure SNVS HPCOMR sets NPSWA_EN to allow unpriv access to SNVS LP */ 19 val = readl(SNVS_BASE_ADDR + SNVS_HPCOMR); 20 val |= SNVS_HPCOMR_NPSWA_EN; 21 writel(val, SNVS_BASE_ADDR + SNVS_HPCOMR); 22 } 23