PFI_K_REG_MODE_CTRL
dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL,
dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL,
dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL, val);
dfx_port_write_long(bp, PFI_K_REG_MODE_CTRL, 0);