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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __MACH_STM32_SMC_H__
#define __MACH_STM32_SMC_H__
#include <linux/arm-smccc.h>
/* Secure Service access from Non-secure */
#define STM32_SMC_RCC 0x82001000
#define STM32_SMC_PWR 0x82001001
#define STM32_SMC_RTC 0x82001002
#define STM32_SMC_BSEC 0x82001003
/* Register access service use for RCC/RTC/PWR */
#define STM32_SMC_REG_WRITE 0x1
#define STM32_SMC_REG_SET 0x2
#define STM32_SMC_REG_CLEAR 0x3
static inline int stm32mp_smc(u32 svc, u8 op, u32 data1, u32 data2, u32 *val)
{
struct arm_smccc_res res;
arm_smccc_smc(svc, op, data1, data2, 0, 0, 0, 0, &res);
if (val)
*val = res.a1;
return (int)res.a0;
}
#endif
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