CNTRL
pci_read_config_byte(pdev, CNTRL, &ctrl);
pci_write_config_byte(pdev, CNTRL, ctrl | 0xC0);
pci_read_config_byte(pdev, CNTRL, ®);
volatile u_char CNTRL; /* Count Register (Low) */
case CNTRL:
vx_outl(chip, CNTRL, VX_CNTRL_REGISTER_VALUE | VX_XILINX_RESET_MASK);
vx_inl(chip, CNTRL);
vx_outl(chip, CNTRL, VX_CNTRL_REGISTER_VALUE);
vx_inl(chip, CNTRL);