# SPDX-License-Identifier: MIT
# Copyright 2023-2024 RnD Center "ELVEES", JSC

# MDB script to start sbl-s1, ddrinit, sbl-s3,
# TF-A and U-Boot on MCom-03 SoC. Script uses DDR0.

pb python
pb import os
pb import sys
pb IMAGES_PATH = os.environ.get('MDB_IMAGES_PATH', 'buildroot/output/images')
pb SCRIPTS_PATH = f'{IMAGES_PATH}/sbl/scripts'
pb sys.path.append(SCRIPTS_PATH)
pb import helpers
pb end

pb python
pb dtb = os.environ.get('MDB_DTB_FILE', 'mcom03-mcom03bub-r1.3.0.dtb')
pb map_file = os.environ.get('MDB_DDRINIT_DTB_MAP', 'mcom03-ddrinit-dtb-map.txt')
pb board = helpers.parse_ddrinit_dtb_map(f'{SCRIPTS_PATH}/{map_file}', dtb)
pb end

# Load and run sbl-s1 to setup required clocks
py helpers.loadelf(f'{IMAGES_PATH}/sbl/sbl-s1.elf')
hbp set jtag
run
hbp unset jtag

# Load and run ddrinit to setup DDR memory
py helpers.loadelf(f'{IMAGES_PATH}/ddrinit-{board}/ddrinit.elf')
hbp set jtag
run
hbp unset jtag

# Load and run set-secure-regions.elf to setup Secure Regions and
# to take them into account in the DDR memory map
py helpers.loadelf(f'{IMAGES_PATH}/sbl/scripts/set-secure-regions.elf')
hbp set jtag
run
hbp unset jtag

# Load U-Boots dtb to 0x8_9040_2000 which is mapped to 0xC0002000
py helpers.loadbin(f'{IMAGES_PATH}/uboot-dtb/{dtb}', 0xC0002000)

# Load TF-A to 0x8_8030_0000 which is mapped to 0xc0300000
py helpers.loadbin(f'{IMAGES_PATH}/bl31.bin', 0xc0300000)

# Load U-Boot to 0x8_9048_0000 which is mapped to 0xc0080000
py helpers.loadbin(f'{IMAGES_PATH}/u-boot.bin', 0xc0080000)

# Load and run sbl-s3 to launch TF-A and provide mailbox services
py helpers.loadelf(f'{IMAGES_PATH}/sbl/sbl-s3.elf')
set RISC.PC _startup

detach -r
quit