nfi_readw
sta = nfi_readw(nfc, NFI_INTR_STA);
ien = nfi_readw(nfc, NFI_INTR_EN);
reg = nfi_readw(nfc, NFI_CNFG);
reg = nfi_readw(nfc, NFI_CNFG) | CNFG_BYTE_RW;
reg = nfi_readw(nfc, NFI_CNFG) | CNFG_AHB | CNFG_DMA_BURST_EN;
reg = nfi_readw(nfc, NFI_CNFG) | CNFG_AUTO_FMT_EN;
reg = nfi_readw(nfc, NFI_CNFG);
reg = nfi_readw(nfc, NFI_CNFG);