AST setting

The AST settings for various firmware is loaded by MB1/MB2. These are the virtual addresses of the firmware. MB1/MB2 programs corresponding physical addresses based on the location where it loaded the firmware in memory (DRAM). Normally, it is not necessary to change these settings.

Fields

Description

Configuration Example

bpmp_fw_va

Virtual address for BPMP-FW

ast.bpmp_fw_va = 0x50000000;

mb2_va

Virtual address for MB2-FW

ast.mb2_va = 0x52000000;

sce_fw_va

Virtual address for SCE-FW

ast.sce_fw_va = 0x70000000;

apr_va

Virtual address for Audio-protected region used by APE-FW

ast.apr_va = 0xC0000000;

ape_fw_va

Virtual address for APE-FW

ast.ape_fw_va = 0x80000000;