u-boot/arch/arm/mach-socfpga/include/mach/secure_reg_helper.h
Siew Chin Lim 2e54a1d46c arm: socfpga: Add secure register access helper functions for SoC 64bits
These secure register access functions allow U-Boot proper running
at EL2 (non-secure) to access System Manager's secure registers
by calling the ATF's PSCI runtime services (EL3/secure).

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com>
2021-01-15 17:48:36 +08:00

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C

/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2020 Intel Corporation <www.intel.com>
*
*/
#ifndef _SECURE_REG_HELPER_H_
#define _SECURE_REG_HELPER_H_
#define SOCFPGA_SECURE_REG_SYSMGR_SOC64_SDMMC 1
#define SOCFPGA_SECURE_REG_SYSMGR_SOC64_EMAC0 2
#define SOCFPGA_SECURE_REG_SYSMGR_SOC64_EMAC1 3
#define SOCFPGA_SECURE_REG_SYSMGR_SOC64_EMAC2 4
int socfpga_secure_reg_read32(u32 id, u32 *val);
int socfpga_secure_reg_write32(u32 id, u32 val);
int socfpga_secure_reg_update32(u32 id, u32 mask, u32 val);
#endif /* _SECURE_REG_HELPER_H_ */