mirror of
https://github.com/smaeul/u-boot.git
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47d90f6bd3
The following diagram illustrates the boot flow for OP-TEE OS
initialization on RISC-V.
(1)-----------+
| U-Boot SPL |
+------------+
|
v
(2)-------------------------------------------------------------+
| OpenSBI (fw_dynamic.bin) |
| (4)------------------------+ |
| | optee dispatcher driver | |
+-----------------+-------^---------|-------+------------------+
M-mode | | |
---------+--[trusted domain]---+----.----+--[untrusted domain]-------
S-mode | (coldboot domain) | | |
v | | v
(3)---------------------------+ |(5)----------------------------+
| OP-TEE OS (tee.bin) | | | U-Boot (u-boot-nodtb.bin) |
+----------------------------+ | +-----------------------------+
| |
| v
|(6)----------------------------+
| | Linux |
| +-----------------------------+
This patch enables the inclusion of the OP-TEE binary within the
U-Boot ITB, allowing it to be loaded to a platform defined address
by U-Boot SPL.
Signed-off-by: Yu-Chien Peter Lin <peter.lin@sifive.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
126 lines
2.3 KiB
Plaintext
126 lines
2.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2021, Bin Meng <bmeng.cn@gmail.com>
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*/
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#include <config.h>
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/ {
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binman: binman {
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multiple-images;
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};
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};
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&binman {
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itb {
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#ifndef CONFIG_SPL_LOAD_FIT_OPENSBI_OS_BOOT
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filename = "u-boot.itb";
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#else
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filename = "linux.itb";
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#endif
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fit {
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description = "Configuration to load OpenSBI before U-Boot";
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#address-cells = <2>;
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fit,fdt-list = "of-list";
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images {
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#ifndef CONFIG_SPL_LOAD_FIT_OPENSBI_OS_BOOT
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uboot {
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description = "U-Boot";
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type = "standalone";
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os = "U-Boot";
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arch = "riscv";
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compression = "none";
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load = /bits/ 64 <CONFIG_TEXT_BASE>;
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uboot_blob: blob-ext {
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filename = "u-boot-nodtb.bin";
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};
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};
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#else
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linux {
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description = "Linux";
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type = "standalone";
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os = "Linux";
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arch = "riscv";
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compression = "none";
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load = /bits/ 64 <CONFIG_TEXT_BASE>;
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linux_blob: blob-ext {
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filename = "Image";
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};
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};
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#endif
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#ifdef CONFIG_OPTEE
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tee {
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description = "OP-TEE";
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type = "tee";
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arch = "riscv";
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compression = "none";
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os = "tee";
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load = /bits/ 64 <CONFIG_SPL_OPTEE_LOAD_ADDR>;
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tee_blob: tee-os {
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filename = "tee.bin";
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};
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};
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#endif
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opensbi {
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description = "OpenSBI fw_dynamic Firmware";
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type = "firmware";
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os = "opensbi";
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arch = "riscv";
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compression = "none";
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load = /bits/ 64 <CONFIG_SPL_OPENSBI_LOAD_ADDR>;
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entry = /bits/ 64 <CONFIG_SPL_OPENSBI_LOAD_ADDR>;
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opensbi_blob: opensbi {
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filename = "fw_dynamic.bin";
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missing-msg = "opensbi";
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};
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};
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#ifndef CONFIG_OF_BOARD
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@fdt-SEQ {
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description = "NAME";
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type = "flat_dt";
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compression = "none";
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};
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#endif
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};
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configurations {
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default = "conf-1";
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#ifndef CONFIG_OF_BOARD
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@conf-SEQ {
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#else
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conf-1 {
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#endif
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description = "NAME";
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firmware = "opensbi";
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#ifdef CONFIG_OPTEE
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#ifdef CONFIG_SPL_LOAD_FIT_OPENSBI_OS_BOOT
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loadables = "linux", "tee";
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#else
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loadables = "uboot", "tee";
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#endif
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#else /* !CONFIG_OPTEEE */
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#ifdef CONFIG_SPL_LOAD_FIT_OPENSBI_OS_BOOT
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loadables = "linux";
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#else
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loadables = "uboot";
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#endif
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#endif /* CONFIG_OPTEE */
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#ifndef CONFIG_OF_BOARD
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fdt = "fdt-SEQ";
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#endif
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};
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};
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};
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};
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};
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