topic QuadSPI_SR: BUSY bit stuck in Layerscape https://community.nxp.com/t5/Layerscape/QuadSPI-SR-BUSY-bit-stuck/m-p/722176#M3004 <HTML><HEAD></HEAD><BODY><P>Hi, i'm using a ls1046a with n25q128a nor flash.<BR />U-Boot is able to erase, read and write small data but if I try it with more data, get timeout:<BR />&lt;p&gt;<BR />fsl_qspi_claim_bus: Timeout (reg=000000000155015c mask=00000007 wait_set=0)<BR />ERROR : The controller is busy <BR />SF: 639916 bytes @ 0x10000 Written: ERROR -110<BR />&lt;/p&gt;</P><P>As you can see, I stuck in the function fsl_qspi_claim_bus. The register QuadSPI_SR has the value: 0x00380001<BR />The busy bit is set and also the RXFULL bit is set. RXFULL bit description in in the datasheet:</P><BLOCKQUOTE class="jive_macro_quote jive-quote jive_text_macro"><SPAN>RX Buffer Full. Asserted when the RX Buffer is full, i.e. that QSPI_RBSR[RDBFL] field is equal to 32.</SPAN></BLOCKQUOTE><P>But in my case, the&nbsp;QSPI_RBSR register is 0x00000000<BR />Has any one an idea, what's going wrong?</P></BODY></HTML> Thu, 01 Mar 2018 11:37:45 GMT volkerhaspel 2018-03-01T11:37:45Z QuadSPI_SR: BUSY bit stuck https://community.nxp.com/t5/Layerscape/QuadSPI-SR-BUSY-bit-stuck/m-p/722176#M3004 <HTML><HEAD></HEAD><BODY><P>Hi, i'm using a ls1046a with n25q128a nor flash.<BR />U-Boot is able to erase, read and write small data but if I try it with more data, get timeout:<BR />&lt;p&gt;<BR />fsl_qspi_claim_bus: Timeout (reg=000000000155015c mask=00000007 wait_set=0)<BR />ERROR : The controller is busy <BR />SF: 639916 bytes @ 0x10000 Written: ERROR -110<BR />&lt;/p&gt;</P><P>As you can see, I stuck in the function fsl_qspi_claim_bus. The register QuadSPI_SR has the value: 0x00380001<BR />The busy bit is set and also the RXFULL bit is set. RXFULL bit description in in the datasheet:</P><BLOCKQUOTE class="jive_macro_quote jive-quote jive_text_macro"><SPAN>RX Buffer Full. Asserted when the RX Buffer is full, i.e. that QSPI_RBSR[RDBFL] field is equal to 32.</SPAN></BLOCKQUOTE><P>But in my case, the&nbsp;QSPI_RBSR register is 0x00000000<BR />Has any one an idea, what's going wrong?</P></BODY></HTML> Thu, 01 Mar 2018 11:37:45 GMT https://community.nxp.com/t5/Layerscape/QuadSPI-SR-BUSY-bit-stuck/m-p/722176#M3004 volkerhaspel 2018-03-01T11:37:45Z