6678的Chip-Level Registers

Uint32 * DieID= (Uint32 *)&gpBootCfgRegs->DIE_ID_REG0;
Uint32 uiJTAG_ID = gpBootCfgRegs->DEVICE_ID_REG0;
Uint32 uiDevStat = gpBootCfgRegs->BOOT_REG0;

请问gpBootCfgRegs(0x02620000)寄存器在哪个文档里面有介绍？