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