zephyr/soc/nordic/common/soc_secure.h

78 lines
2.1 KiB
C

/*
* Copyright (c) 2019 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <nrf.h>
#include <hal/nrf_gpio.h>
#include <hal/nrf_ficr.h>
#if defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
#if NRF_GPIO_HAS_SEL
void soc_secure_gpio_pin_mcu_select(uint32_t pin_number, nrf_gpio_pin_sel_t mcu);
#endif
int soc_secure_mem_read(void *dst, void *src, size_t len);
#else /* defined(CONFIG_TRUSTED_EXECUTION_NONSECURE) */
#if NRF_GPIO_HAS_SEL
static inline void soc_secure_gpio_pin_mcu_select(uint32_t pin_number, nrf_gpio_pin_sel_t mcu)
{
nrf_gpio_pin_control_select(pin_number, mcu);
}
#endif /* NRF_GPIO_HAS_SEL */
static inline int soc_secure_mem_read(void *dst, void *src, size_t len)
{
(void)memcpy(dst, src, len);
return 0;
}
#endif /* defined CONFIG_TRUSTED_EXECUTION_NONSECURE */
/* Include these soc_secure_* functions only when the FICR is mapped as secure only */
#if defined(NRF_FICR_S)
#if defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
#if defined(CONFIG_SOC_HFXO_CAP_INTERNAL)
static inline uint32_t soc_secure_read_xosc32mtrim(void)
{
uint32_t xosc32mtrim;
int err;
err = soc_secure_mem_read(&xosc32mtrim,
(void *)&NRF_FICR_S->XOSC32MTRIM,
sizeof(xosc32mtrim));
__ASSERT(err == 0, "Secure read error (%d)", err);
return xosc32mtrim;
}
#endif /* defined(CONFIG_SOC_HFXO_CAP_INTERNAL) */
static inline void soc_secure_read_deviceid(uint32_t deviceid[2])
{
int err;
err = soc_secure_mem_read(deviceid,
(void *)&NRF_FICR_S->INFO.DEVICEID,
2 * sizeof(uint32_t));
__ASSERT(err == 0, "Secure read error (%d)", err);
}
#else /* defined(CONFIG_TRUSTED_EXECUTION_NONSECURE) */
#if defined(CONFIG_SOC_HFXO_CAP_INTERNAL)
static inline uint32_t soc_secure_read_xosc32mtrim(void)
{
return NRF_FICR_S->XOSC32MTRIM;
}
#endif /* defined(CONFIG_SOC_HFXO_CAP_INTERNAL) */
static inline void soc_secure_read_deviceid(uint32_t deviceid[2])
{
deviceid[0] = nrf_ficr_deviceid_get(NRF_FICR_S, 0);
deviceid[1] = nrf_ficr_deviceid_get(NRF_FICR_S, 1);
}
#endif /* defined CONFIG_TRUSTED_EXECUTION_NONSECURE */
#endif /* defined(NRF_FICR_S) */