/* * Copyright (c) 2017-2024, Arm Limited and Contributors. All rights reserved. * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/ * K3 SOC specific bl31_setup * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include /* Table of regions to map using the MMU */ const mmap_region_t plat_k3_mmap[] = { K3_MAP_REGION_FLAT(K3_USART_BASE, K3_USART_SIZE, MT_DEVICE | MT_RW | MT_SECURE), K3_MAP_REGION_FLAT(K3_GIC_BASE, K3_GIC_SIZE, MT_DEVICE | MT_RW | MT_SECURE), K3_MAP_REGION_FLAT(K3_GTC_BASE, K3_GTC_SIZE, MT_DEVICE | MT_RW | MT_SECURE), K3_MAP_REGION_FLAT(SEC_PROXY_RT_BASE, SEC_PROXY_RT_SIZE, MT_DEVICE | MT_RW | MT_SECURE), K3_MAP_REGION_FLAT(SEC_PROXY_SCFG_BASE, SEC_PROXY_SCFG_SIZE, MT_DEVICE | MT_RW | MT_SECURE), K3_MAP_REGION_FLAT(SEC_PROXY_DATA_BASE, SEC_PROXY_DATA_SIZE, MT_DEVICE | MT_RW | MT_SECURE), { /* sentinel */ } }; int ti_soc_init(void) { struct ti_sci_msg_version version; int ret; ret = ti_sci_get_revision(&version); if (ret) { ERROR("Unable to communicate with the control firmware (%d)\n", ret); return ret; } INFO("SYSFW ABI: %d.%d (firmware rev 0x%04x '%s')\n", version.abi_major, version.abi_minor, version.firmware_revision, version.firmware_description); /* * Older firmware have a timing issue with DM that crashes few TF-A * lite devices while trying to make calls to DM. Since there is no way * to detect what current DM version we are running - we rely on the * corresponding TIFS versioning to handle this check and ensure that * the platform boots up * * Upgrading to TIFS version 9.1.7 along with the corresponding DM from * ti-linux-firmware will enable this functionality. */ if (version.firmware_revision > 9 || (version.firmware_revision == 9 && version.sub_version > 1) || (version.firmware_revision == 9 && version.sub_version == 1 && version.patch_version >= 7) ) { if (ti_sci_device_get(PLAT_BOARD_DEVICE_ID)) { WARN("Unable to take system power reference\n"); } } else { NOTICE("Upgrade Firmwares for Power off functionality\n"); } return 0; }