topic Re: eMMC5.0 Boot with Bus Width=8bit access for i.MX6 in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/eMMC5-0-Boot-with-Bus-Width-8bit-access-for-i-MX6/m-p/610819#M92183 <HTML><HEAD></HEAD><BODY><P>Hi Rahul </P><P></P><P>emmc has internal non-volatile configuration register for bus width :</P><P>EXT_CSD [177] BOOT_BUS_WIDTH, which also should be programmed appropriately.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 14 Apr 2017 23:11:57 GMT igorpadykov 2017-04-14T23:11:57Z eMMC5.0 Boot with Bus Width=8bit access for i.MX6 https://community.nxp.com/t5/i-MX-Processors/eMMC5-0-Boot-with-Bus-Width-8bit-access-for-i-MX6/m-p/610818#M92182 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P></P><P>We have one custom i.MX6S board which we are booting using eMMC.</P><P>I can see no difference in booting time when I set boot_cfg2[7:5] = 000 (1 bit) and boot_cfg2[7:5] = 010 (8 bit).</P><P>Can anyone please explain why this is happening. Ideally, when selecting 1-bit eMMC, booting time should be more than 8-bit booting time.</P></BODY></HTML> Fri, 14 Apr 2017 07:05:50 GMT https://community.nxp.com/t5/i-MX-Processors/eMMC5-0-Boot-with-Bus-Width-8bit-access-for-i-MX6/m-p/610818#M92182 rahulsoni 2017-04-14T07:05:50Z Re: eMMC5.0 Boot with Bus Width=8bit access for i.MX6 https://community.nxp.com/t5/i-MX-Processors/eMMC5-0-Boot-with-Bus-Width-8bit-access-for-i-MX6/m-p/610819#M92183 <HTML><HEAD></HEAD><BODY><P>Hi Rahul </P><P></P><P>emmc has internal non-volatile configuration register for bus width :</P><P>EXT_CSD [177] BOOT_BUS_WIDTH, which also should be programmed appropriately.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 14 Apr 2017 23:11:57 GMT https://community.nxp.com/t5/i-MX-Processors/eMMC5-0-Boot-with-Bus-Width-8bit-access-for-i-MX6/m-p/610819#M92183 igorpadykov 2017-04-14T23:11:57Z