mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-16 09:34:18 +00:00
dc0ca64e4b
This patch also:
* Enforces the check of RES0 fields on EL3-RMM boot interface
and manifest
* Fixes a couple of nits on the EL3-RMM Boot Interface
documentation.
Signed-off-by: Javier Almansa Sobrino <javier.almansasobrino@arm.com>
Change-Id: Idb9e38f9fcda2ba0655646a1e2c4fdbabd5cdc40
75 lines
2 KiB
C
75 lines
2 KiB
C
/*
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* Copyright (c) 2021-2022, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <common/bl_common.h>
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#include <common/debug.h>
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#include <drivers/arm/pl011.h>
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#include <drivers/console.h>
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#include <services/rmm_core_manifest.h>
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#include <services/rmmd_svc.h>
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#include <services/trp/platform_trp.h>
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#include <trp_helpers.h>
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#include <plat/arm/common/plat_arm.h>
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#include <platform_def.h>
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/*******************************************************************************
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* Received from boot manifest and populated here
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******************************************************************************/
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extern uint32_t trp_boot_manifest_version;
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/*******************************************************************************
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* Initialize the UART
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******************************************************************************/
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static console_t arm_trp_runtime_console;
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static int arm_trp_process_manifest(rmm_manifest_t *manifest)
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{
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/* padding field on the manifest must be RES0 */
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assert(manifest->padding == 0U);
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/* Verify the Boot Manifest Version. Only the Major is considered */
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if (RMMD_MANIFEST_VERSION_MAJOR !=
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RMMD_GET_MANIFEST_VERSION_MAJOR(manifest->version)) {
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return E_RMM_BOOT_MANIFEST_VERSION_NOT_SUPPORTED;
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}
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trp_boot_manifest_version = manifest->version;
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flush_dcache_range((uintptr_t)manifest, sizeof(rmm_manifest_t));
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return 0;
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}
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void arm_trp_early_platform_setup(rmm_manifest_t *manifest)
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{
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int rc;
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rc = arm_trp_process_manifest(manifest);
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if (rc != 0) {
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trp_boot_abort(rc);
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}
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/*
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* Initialize a different console than already in use to display
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* messages from trp
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*/
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rc = console_pl011_register(PLAT_ARM_TRP_UART_BASE,
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PLAT_ARM_TRP_UART_CLK_IN_HZ,
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ARM_CONSOLE_BAUDRATE,
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&arm_trp_runtime_console);
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if (rc == 0) {
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panic();
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}
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console_set_scope(&arm_trp_runtime_console,
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CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
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}
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void trp_early_platform_setup(rmm_manifest_t *manifest)
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{
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arm_trp_early_platform_setup(manifest);
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}
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