BSPI_STRAP_OVERRIDE_CTRL
bcm_qspi_read(qspi, BSPI, BSPI_STRAP_OVERRIDE_CTRL);
u32 data = bcm_qspi_read(qspi, BSPI, BSPI_STRAP_OVERRIDE_CTRL);
bcm_qspi_write(qspi, BSPI, BSPI_STRAP_OVERRIDE_CTRL, data);
val = bcm_qspi_read(qspi, BSPI, BSPI_STRAP_OVERRIDE_CTRL);