T-SeriesのトピックRe: T2080 sdcard clock https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401952#M133 <HTML><HEAD></HEAD><BODY><P>1. Please confirm TRST is asserted along with PORESET</P><P>2. Please confirm bit numbering is correct in cfg_rcw_src - specify which particular pin you are driving "1" to make 0_0100_0000</P><P>3. Please let me know the exact value of DCFG_CCSR_PORSR1</P><P>4. Please show scope screenshot of PORESET and SDHC_CLK simultaneously starting from PORESET assertion</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sat, 29 Aug 2015 14:05:30 GMT alexander_yakov 2015-08-29T14:05:30Z T2080 sdcard clock https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401950#M131 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>In T2080 custom board, when cfg_rcw_src [0]_[1:4]_[5:8] Value <STRONG>0_0100_0000</STRONG> are set to SD CARD BOOT option.</P><P>Did power cycle: observations are:</P><OL><LI>HRESET_B is not released by processor (Always low)</LI><LI>Observed clock on SDHC_CLK pin which is connected to SD card (SD card is having image of RCW only). no clock on this line</LI></OL><P></P><P>But while emulator is connected and read the contents of <STRONG>POR Status Register 1 (DCFG_CCSR_PORSR1) </STRONG>from processor. the values shown proper.</P><P>Can someone please let me know how to debug this issue.</P><P></P><P>Regards,</P><P>Mani</P></BODY></HTML> Thu, 27 Aug 2015 08:31:43 GMT https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401950#M131 manikumar 2015-08-27T08:31:43Z Re: T2080 sdcard clock https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401951#M132 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>In T2080 custom board, when cfg_rcw_src [0]_[1:4]_[5:8] Value <STRONG>0_0100_0000</STRONG> are set to SD CARD BOOT option.</P><P>Did power cycle: observations are:</P><OL><LI>HRESET_B is not released by processor (Always low)</LI><LI><STRONG>Not</STRONG> observed clock on SDHC_CLK pin which is connected to SD card (SD card is having image of RCW only).</LI></OL><P></P><P>But while emulator is connected and read the contents of <STRONG>POR Status Register 1 (DCFG_CCSR_PORSR1) </STRONG>from processor. the cfg_rcw_src values which are set for SDcard boot mode are shown proper.</P><P>Can someone please let me know how to debug this issue.</P><P></P><P>Regards,</P><P>Mani</P></BODY></HTML> Thu, 27 Aug 2015 11:14:51 GMT https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401951#M132 manikumar 2015-08-27T11:14:51Z Re: T2080 sdcard clock https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401952#M133 <HTML><HEAD></HEAD><BODY><P>1. Please confirm TRST is asserted along with PORESET</P><P>2. Please confirm bit numbering is correct in cfg_rcw_src - specify which particular pin you are driving "1" to make 0_0100_0000</P><P>3. Please let me know the exact value of DCFG_CCSR_PORSR1</P><P>4. Please show scope screenshot of PORESET and SDHC_CLK simultaneously starting from PORESET assertion</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sat, 29 Aug 2015 14:05:30 GMT https://community.nxp.com/t5/T-Series/T2080-sdcard-clock/m-p/401952#M133 alexander_yakov 2015-08-29T14:05:30Z