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drivers: ieee802154: nrf5: load EUI64 from UICR

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Add `IEEE802154_NRF5_UICR_EUI64_ENABLE` option to allow loading EUI64
from UICR registers.

Signed-off-by: Eduardo Montoya <eduardo.montoya@nordicsemi.no>
This commit is contained in:
Eduardo Montoya 2021-02-11 09:09:52 +01:00 • committed by Jukka Rissanen
commit 53fd3ae573
2 changed files with 45 additions and 3 deletions
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24
drivers/ieee802154/ieee802154_nrf5.c
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@ -58,11 +58,27 @@ static struct nrf5_802154_data nrf5_data;
#define FRAME_PENDING_BIT (1 << 4)
#define TXTIME_OFFSET_US (5 * USEC_PER_MSEC)
#if defined(CONFIG_IEEE802154_NRF5_UICR_EUI64_ENABLE)
#if defined(CONFIG_SOC_NRF5340_CPUAPP)
#define EUI64_ADDR (NRF_UICR->OTP)
#else
#define EUI64_ADDR (NRF_UICR->CUSTOMER)
#endif /* CONFIG_SOC_NRF5340_CPUAPP */
#else
#if defined(CONFIG_SOC_NRF5340_CPUAPP) || defined(CONFIG_SOC_NRF5340_CPUNET)
#define EUI64_ADDR (NRF_FICR->INFO.DEVICEID)
#else
#define EUI64_ADDR (NRF_FICR->DEVICEID)
#endif
#endif /* CONFIG_SOC_NRF5340_CPUAPP || CONFIG_SOC_NRF5340_CPUNET */
#endif /* CONFIG_IEEE802154_NRF5_UICR_EUI64_ENABLE */
#if defined(CONFIG_IEEE802154_NRF5_UICR_EUI64_ENABLE)
#define EUI64_ADDR_HIGH CONFIG_IEEE802154_NRF5_UICR_EUI64_REG
#define EUI64_ADDR_LOW (CONFIG_IEEE802154_NRF5_UICR_EUI64_REG + 1)
#else
#define EUI64_ADDR_HIGH 0
#define EUI64_ADDR_LOW 1
#endif /* CONFIG_IEEE802154_NRF5_UICR_EUI64_ENABLE */
/* Convenience defines for RADIO */
#define NRF5_802154_DATA(dev) \
@ -82,18 +98,20 @@ static void nrf5_get_eui64(uint8_t *mac)
uint64_t factoryAddress;
uint32_t index = 0;
#if !defined(CONFIG_IEEE802154_NRF5_UICR_EUI64_ENABLE)
/* Set the MAC Address Block Larger (MA-L) formerly called OUI. */
mac[index++] = (IEEE802154_NRF5_VENDOR_OUI >> 16) & 0xff;
mac[index++] = (IEEE802154_NRF5_VENDOR_OUI >> 8) & 0xff;
mac[index++] = IEEE802154_NRF5_VENDOR_OUI & 0xff;
#endif
#if defined(CONFIG_SOC_NRF5340_CPUAPP) && \
defined(CONFIG_TRUSTED_EXECUTION_NONSECURE)
#error Accessing EUI64 on the non-secure mode is not supported at the moment
#else
/* Use device identifier assigned during the production. */
factoryAddress = (uint64_t)EUI64_ADDR[0] << 32;
factoryAddress |= EUI64_ADDR[1];
factoryAddress = (uint64_t)EUI64_ADDR[EUI64_ADDR_HIGH] << 32;
factoryAddress |= EUI64_ADDR[EUI64_ADDR_LOW];
#endif
memcpy(mac + index, &factoryAddress, sizeof(factoryAddress) - index);
}