1 /*
2 * Copyright (c) 2017-2024, Arm Limited and Contributors. All rights reserved.
3 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
4 * K3 SOC specific bl31_setup
5 *
6 * SPDX-License-Identifier: BSD-3-Clause
7 */
8
9 #include <common/debug.h>
10 #include <ti_sci.h>
11 #include <ti_sci_transport.h>
12
13 #include <plat_private.h>
14
15 /* Table of regions to map using the MMU */
16 const mmap_region_t plat_k3_mmap[] = {
17 K3_MAP_REGION_FLAT(K3_USART_BASE, K3_USART_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
18 K3_MAP_REGION_FLAT(K3_GIC_BASE, K3_GIC_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
19 K3_MAP_REGION_FLAT(K3_GTC_BASE, K3_GTC_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
20 K3_MAP_REGION_FLAT(SEC_PROXY_RT_BASE, SEC_PROXY_RT_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
21 K3_MAP_REGION_FLAT(SEC_PROXY_SCFG_BASE, SEC_PROXY_SCFG_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
22 K3_MAP_REGION_FLAT(SEC_PROXY_DATA_BASE, SEC_PROXY_DATA_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
23 { /* sentinel */ }
24 };
25
ti_soc_init(void)26 int ti_soc_init(void)
27 {
28 struct ti_sci_msg_version version;
29 int ret;
30
31 ret = ti_sci_get_revision(&version);
32 if (ret) {
33 ERROR("Unable to communicate with the control firmware (%d)\n", ret);
34 return ret;
35 }
36
37 INFO("SYSFW ABI: %d.%d (firmware rev 0x%04x '%s')\n",
38 version.abi_major, version.abi_minor,
39 version.firmware_revision,
40 version.firmware_description);
41
42 /*
43 * Older firmware have a timing issue with DM that crashes few TF-A
44 * lite devices while trying to make calls to DM. Since there is no way
45 * to detect what current DM version we are running - we rely on the
46 * corresponding TIFS versioning to handle this check and ensure that
47 * the platform boots up
48 *
49 * Upgrading to TIFS version 9.1.7 along with the corresponding DM from
50 * ti-linux-firmware will enable this functionality.
51 */
52 if (version.firmware_revision > 9 ||
53 (version.firmware_revision == 9 && version.sub_version > 1) ||
54 (version.firmware_revision == 9 && version.sub_version == 1 &&
55 version.patch_version >= 7)
56 ) {
57 if (ti_sci_device_get(PLAT_BOARD_DEVICE_ID)) {
58 WARN("Unable to take system power reference\n");
59 }
60 } else {
61 NOTICE("Upgrade Firmwares for Power off functionality\n");
62 }
63 return 0;
64 }
65