blob: 4375cf05b2f2830a84a00b8cf668b36cd0feaf9d [file] [log] [blame]
/*
* Copyright (c) 2018 Alexander Wachter
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#include <zephyr/drivers/hwinfo.h>
#include <string.h>
#include <hal/nrf_ficr.h>
#include <zephyr/sys/byteorder.h>
#ifndef CONFIG_BOARD_QEMU_CORTEX_M0
#include <helpers/nrfx_reset_reason.h>
#endif
#include <soc_secure.h>
struct nrf_uid {
uint32_t id[2];
};
ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
{
struct nrf_uid dev_id;
uint32_t deviceid[2];
soc_secure_read_deviceid(deviceid);
dev_id.id[0] = sys_cpu_to_be32(deviceid[1]);
dev_id.id[1] = sys_cpu_to_be32(deviceid[0]);
if (length > sizeof(dev_id.id)) {
length = sizeof(dev_id.id);
}
memcpy(buffer, dev_id.id, length);
return length;
}
#ifndef CONFIG_BOARD_QEMU_CORTEX_M0
int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
{
uint32_t flags = 0;
uint32_t reason = nrfx_reset_reason_get();
if (reason & NRFX_RESET_REASON_RESETPIN_MASK) {
flags |= RESET_PIN;
}
if (reason & NRFX_RESET_REASON_DOG_MASK) {
flags |= RESET_WATCHDOG;
}
if (reason & NRFX_RESET_REASON_LOCKUP_MASK) {
flags |= RESET_CPU_LOCKUP;
}
if (reason & NRFX_RESET_REASON_OFF_MASK) {
flags |= RESET_LOW_POWER_WAKE;
}
if (reason & NRFX_RESET_REASON_DIF_MASK) {
flags |= RESET_DEBUG;
}
if (reason & NRFX_RESET_REASON_SREQ_MASK) {
flags |= RESET_SOFTWARE;
}
#if NRFX_RESET_REASON_HAS_CTRLAP
if (reason & NRFX_RESET_REASON_CTRLAP_MASK) {
flags |= RESET_DEBUG;
}
#endif
#if NRFX_RESET_REASON_HAS_LPCOMP
if (reason & NRFX_RESET_REASON_LPCOMP_MASK) {
flags |= RESET_LOW_POWER_WAKE;
}
#endif
#if NRFX_RESET_REASON_HAS_NFC
if (reason & NRFX_RESET_REASON_NFC_MASK) {
flags |= RESET_LOW_POWER_WAKE;
}
#endif
#if NRFX_RESET_REASON_HAS_VBUS
if (reason & NRFX_RESET_REASON_VBUS_MASK) {
flags |= RESET_POR;
}
#endif
#if NRFX_RESET_REASON_HAS_CTRLAPSOFT
if (reason & NRFX_RESET_REASON_CTRLAPSOFT_MASK) {
flags |= RESET_DEBUG;
}
#endif
#if NRFX_RESET_REASON_HAS_CTRLAPHARD
if (reason & NRFX_RESET_REASON_CTRLAPHARD_MASK) {
flags |= RESET_DEBUG;
}
#endif
#if NRFX_RESET_REASON_HAS_CTRLAPPIN
if (reason & NRFX_RESET_REASON_CTRLAPPIN_MASK) {
flags |= RESET_DEBUG;
}
#endif
#if !NRF_POWER_HAS_RESETREAS
if (reason & NRFX_RESET_REASON_DOG1_MASK) {
flags |= RESET_WATCHDOG;
}
#endif
#if NRFX_RESET_REASON_HAS_GRTC
if (reason & NRFX_RESET_REASON_GRTC_MASK) {
flags |= RESET_CLOCK;
}
#endif
#if NRFX_RESET_REASON_HAS_NETWORK
if (reason & NRFX_RESET_REASON_LSREQ_MASK) {
flags |= RESET_SOFTWARE;
}
if (reason & NRFX_RESET_REASON_LLOCKUP_MASK) {
flags |= RESET_CPU_LOCKUP;
}
if (reason & NRFX_RESET_REASON_LDOG_MASK) {
flags |= RESET_WATCHDOG;
}
if (reason & NRFX_RESET_REASON_LCTRLAP_MASK) {
flags |= RESET_DEBUG;
}
#endif
#if defined(NRFX_RESET_REASON_TAMPC_MASK)
if (reason & NRFX_RESET_REASON_TAMPC_MASK) {
flags |= RESET_SECURITY;
}
#endif
#if defined(NRFX_RESET_REASON_SECTAMPER_MASK)
if (reason & NRFX_RESET_REASON_SECTAMPER_MASK) {
flags |= RESET_SECURITY;
}
#endif
*cause = flags;
return 0;
}
int z_impl_hwinfo_clear_reset_cause(void)
{
uint32_t reason = -1;
nrfx_reset_reason_clear(reason);
return 0;
}
int z_impl_hwinfo_get_supported_reset_cause(uint32_t *supported)
{
*supported = (RESET_PIN
| RESET_WATCHDOG
| RESET_SOFTWARE
| RESET_CPU_LOCKUP
| RESET_LOW_POWER_WAKE
| RESET_DEBUG);
return 0;
}
#endif