BIU2400_FLASH_ADDR
ISP_WRITE(isp, BIU2400_FLASH_ADDR, addr & ~0x80000000);
if (ISP_READ(isp, BIU2400_FLASH_ADDR & 0x80000000)) {
ISP_WRITE(isp, BIU2400_FLASH_ADDR, (base + addr) & ~0x80000000);
if (ISP_READ(isp, BIU2400_FLASH_ADDR & 0x80000000)) {