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https://github.com/ARM-software/arm-trusted-firmware.git
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f660533729
Many parts of the code were duplicating symbols that are defined in include/common/bl_common.h. It is better to only use the definitions in this header. As all the symbols refer to virtual addresses, they have to be uintptr_t, not unsigned long. This has also been fixed in bl_common.h. Change-Id: I204081af78326ced03fb05f69846f229d324c711 Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
155 lines
3.3 KiB
C
155 lines
3.3 KiB
C
/*
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* Copyright (c) 2017-2018, 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 <errno.h>
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#include <platform_def.h>
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#include <common/bl_common.h>
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#include <common/debug.h>
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#include <common/desc_image_load.h>
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#include <common/image_decompress.h>
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#include <drivers/io/io_storage.h>
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#include <lib/xlat_tables/xlat_tables_v2.h>
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#include <plat/common/platform.h>
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#ifdef UNIPHIER_DECOMPRESS_GZIP
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#include <tf_gunzip.h>
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#endif
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#include "uniphier.h"
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#define BL2_SIZE ((BL2_END) - (BL2_BASE))
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static int uniphier_bl2_kick_scp;
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void bl2_el3_early_platform_setup(u_register_t x0, u_register_t x1,
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u_register_t x2, u_register_t x3)
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{
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uniphier_console_setup();
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}
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static const struct mmap_region uniphier_bl2_mmap[] = {
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/* for BL31, BL32 */
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MAP_REGION_FLAT(UNIPHIER_SEC_DRAM_BASE, UNIPHIER_SEC_DRAM_SIZE,
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MT_MEMORY | MT_RW | MT_SECURE),
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/* for SCP, BL33 */
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MAP_REGION_FLAT(UNIPHIER_NS_DRAM_BASE, UNIPHIER_NS_DRAM_SIZE,
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MT_MEMORY | MT_RW | MT_NS),
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{ .size = 0 },
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};
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void bl2_el3_plat_arch_setup(void)
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{
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unsigned int soc;
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int skip_scp = 0;
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int ret;
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uniphier_mmap_setup(BL2_BASE, BL2_SIZE, uniphier_bl2_mmap);
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enable_mmu_el3(0);
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soc = uniphier_get_soc_id();
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if (soc == UNIPHIER_SOC_UNKNOWN) {
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ERROR("unsupported SoC\n");
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plat_error_handler(-ENOTSUP);
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}
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ret = uniphier_io_setup(soc);
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if (ret) {
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ERROR("failed to setup io devices\n");
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plat_error_handler(ret);
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}
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switch (uniphier_get_boot_master(soc)) {
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case UNIPHIER_BOOT_MASTER_THIS:
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INFO("Booting from this SoC\n");
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skip_scp = 1;
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break;
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case UNIPHIER_BOOT_MASTER_SCP:
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INFO("Booting from on-chip SCP\n");
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if (uniphier_scp_is_running()) {
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INFO("SCP is already running. SCP_BL2 load will be skipped.\n");
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skip_scp = 1;
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}
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/*
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* SCP must be kicked every time even if it is already running
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* because it polls this event after the reboot of the backend.
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*/
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uniphier_bl2_kick_scp = 1;
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break;
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case UNIPHIER_BOOT_MASTER_EXT:
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INFO("Booting from external SCP\n");
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skip_scp = 1;
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break;
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default:
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plat_error_handler(-ENOTSUP);
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break;
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}
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if (skip_scp) {
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struct image_info *image_info;
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image_info = uniphier_get_image_info(SCP_BL2_IMAGE_ID);
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image_info->h.attr |= IMAGE_ATTRIB_SKIP_LOADING;
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}
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}
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void bl2_platform_setup(void)
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{
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}
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void plat_flush_next_bl_params(void)
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{
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flush_bl_params_desc();
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}
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bl_load_info_t *plat_get_bl_image_load_info(void)
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{
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return get_bl_load_info_from_mem_params_desc();
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}
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bl_params_t *plat_get_next_bl_params(void)
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{
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return get_next_bl_params_from_mem_params_desc();
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}
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void bl2_plat_preload_setup(void)
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{
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#ifdef UNIPHIER_DECOMPRESS_GZIP
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image_decompress_init(UNIPHIER_IMAGE_BUF_BASE,
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UNIPHIER_IMAGE_BUF_SIZE,
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gunzip);
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#endif
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}
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int bl2_plat_handle_pre_image_load(unsigned int image_id)
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{
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#ifdef UNIPHIER_DECOMPRESS_GZIP
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image_decompress_prepare(uniphier_get_image_info(image_id));
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#endif
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return 0;
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}
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int bl2_plat_handle_post_image_load(unsigned int image_id)
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{
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#ifdef UNIPHIER_DECOMPRESS_GZIP
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struct image_info *image_info;
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int ret;
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image_info = uniphier_get_image_info(image_id);
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if (!(image_info->h.attr & IMAGE_ATTRIB_SKIP_LOADING)) {
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ret = image_decompress(uniphier_get_image_info(image_id));
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if (ret)
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return ret;
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}
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#endif
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if (image_id == SCP_BL2_IMAGE_ID && uniphier_bl2_kick_scp)
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uniphier_scp_start();
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return 0;
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}
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