Aspeed ROM-patch image generator

This tool generates the boot image for Aspeed AST2605 SOC.

Usage

compile

cd rom-patcher
make

execution

./rom-patcher path-to-the-ssp-image

args

• path-to-the-ssp-image: optional. This argument indicates the path to the ssp image that you want to pack into the boot image. If it is not set, rom-patcher uses the default ssp image ./zephyr.bin

Customization

Address offset of the patch code image on the firmware SPI Flash

In config.h, modify CONFIG_OFFSET_PATCH_START to change the offset of the patch code on the firmware SPI Flash memory. The default value is 0x50.

DRAM configuration

In config.h, modify the following options if necessary.

• #define CONFIG_FPGA_ASPEED: enable FPGA DRAM configuration (default off)
• #define CONFIG_ASPEED_DDR4_DUALX8: enable DDR4 dual X8 die (default off)
• DDR speed
  • CONFIG_ASPEED_DDR4_1600: DDR4-1600 AC timing (default speed)
  • CONFIG_ASPEED_DDR4_800: DDR4-800 AC timing