HCCR
ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
ISP_WRITE(isp, HCCR, HCCR_CMD_STEP);
ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
ISP_WRITE(isp, HCCR, HCCR_2X00_DISABLE_PARITY_PAUSE);
ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);