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https://github.com/ARM-software/arm-trusted-firmware.git
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f348aec1a8
In line with the previous patch, the name of the member of the hw_config DTB info structure has been renamed. Change-Id: I6689e416fecd66faa515e820f1c4b23bcb65bfb1 Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/*
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* Copyright (c) 2013-2023, Arm Limited and Contributors. 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 <assert.h>
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#include <common/debug.h>
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#include <common/desc_image_load.h>
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#include <drivers/arm/sp804_delay_timer.h>
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#include <lib/fconf/fconf.h>
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#include <lib/fconf/fconf_dyn_cfg_getter.h>
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#include <plat/arm/common/plat_arm.h>
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#include <plat/common/platform.h>
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#include <platform_def.h>
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#include "fvp_private.h"
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void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3)
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{
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arm_bl2_early_platform_setup((uintptr_t)arg0, (meminfo_t *)arg1);
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/* Initialize the platform config for future decision making */
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fvp_config_setup();
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}
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void bl2_platform_setup(void)
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{
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arm_bl2_platform_setup();
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/* Initialize System level generic or SP804 timer */
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fvp_timer_init();
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}
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/*******************************************************************************
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* This function returns the list of executable images
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******************************************************************************/
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struct bl_params *plat_get_next_bl_params(void)
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{
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struct bl_params *arm_bl_params;
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const struct dyn_cfg_dtb_info_t *hw_config_info __unused;
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bl_mem_params_node_t *param_node __unused;
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arm_bl_params = arm_get_next_bl_params();
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#if !BL2_AT_EL3 && !EL3_PAYLOAD_BASE
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const struct dyn_cfg_dtb_info_t *fw_config_info;
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uintptr_t fw_config_base = 0UL;
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entry_point_info_t *ep_info;
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#if __aarch64__
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/* Get BL31 image node */
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param_node = get_bl_mem_params_node(BL31_IMAGE_ID);
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#else /* aarch32 */
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/* Get SP_MIN image node */
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param_node = get_bl_mem_params_node(BL32_IMAGE_ID);
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#endif /* __aarch64__ */
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assert(param_node != NULL);
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/* get fw_config load address */
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fw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, FW_CONFIG_ID);
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assert(fw_config_info != NULL);
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fw_config_base = fw_config_info->config_addr;
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assert(fw_config_base != 0UL);
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/*
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* Get the entry point info of next executable image and override
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* arg1 of entry point info with fw_config base address
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*/
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ep_info = ¶m_node->ep_info;
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ep_info->args.arg1 = (uint32_t)fw_config_base;
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/* grab NS HW config address */
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hw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, HW_CONFIG_ID);
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assert(hw_config_info != NULL);
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/* To retrieve actual size of the HW_CONFIG */
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param_node = get_bl_mem_params_node(HW_CONFIG_ID);
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assert(param_node != NULL);
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/* Copy HW config from Secure address to NS address */
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memcpy((void *)hw_config_info->secondary_config_addr,
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(void *)hw_config_info->config_addr,
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(size_t)param_node->image_info.image_size);
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/*
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* Ensure HW-config device tree committed to memory, as there is
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* a possibility to use HW-config without cache and MMU enabled
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* at BL33
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*/
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flush_dcache_range(hw_config_info->secondary_config_addr,
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param_node->image_info.image_size);
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param_node = get_bl_mem_params_node(BL33_IMAGE_ID);
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assert(param_node != NULL);
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/* Update BL33's ep info with NS HW config address */
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param_node->ep_info.args.arg1 = hw_config_info->secondary_config_addr;
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#endif /* !BL2_AT_EL3 && !EL3_PAYLOAD_BASE */
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return arm_bl_params;
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}
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