i.MX ProcessorsのトピックPMIC read error | imx6q sabreAI https://community.nxp.com/t5/i-MX-Processors/PMIC-read-error-imx6q-sabreAI/m-p/1070034#M157170 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P>I am working on imx6q based sabre AI custom board, running android 7.1.Everything works fine on our first version but in our latest version of our custom board,it is showing PMIC read and write error and booting freezes at that point as shown below.</P><P><LI-TOC indent="25" liststyle="disc" maxheadinglevel="6"></LI-TOC><SPAN style="color: #000080;">U-Boot 2017.03-ge981034-dirty (Mar 15 2018 - 12:02:36 +0530)</SPAN></P><P></P><P><SPAN style="color: #000080;">CPU:&nbsp;&nbsp; Freescale i.MX6Q rev1.6 996 MHz (running at 792 MHz)</SPAN><BR /><SPAN style="color: #000080;">CPU:&nbsp;&nbsp; Automotive temperature grade (-40C to 125C) at 27C</SPAN><BR /><SPAN style="color: #000080;">Reset cause: POR</SPAN><BR /><SPAN style="color: #000080;">Model: Freescale i.MX6 Quad SABRE Automotive Board</SPAN><BR /><SPAN style="color: #000080;">Board: MX6Q-Sabreauto revA</SPAN><BR /><SPAN style="color: #000080;">DRAM:&nbsp; 2 GiB</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x0!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x3!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">PMIC: PFUZE100! DEV_ID=0xfffffffb REV_ID=0xfffffffb</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x21!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x21!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x24!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x24!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x2f!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x2f!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x32!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x32!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x0!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">Not supported, id=11</SPAN><BR /><SPAN style="color: #000080;">initcall sequence 8ffa6f6c failed at call 178042d4 (err=-22)</SPAN><BR /><SPAN style="color: #000080;">### ERROR ### Please RESET the board ###</SPAN></P><P></P><P></P><P>We have done no patches in this hw section.Please help me to sort out this issues.</P><P>NB:same images works fine on our first version.</P><P></P><P>Regards,</P><P>Richu</P></BODY></HTML> Mon, 25 May 2020 07:23:01 GMT engineer_bsp01 2020-05-25T07:23:01Z PMIC read error | imx6q sabreAI https://community.nxp.com/t5/i-MX-Processors/PMIC-read-error-imx6q-sabreAI/m-p/1070034#M157170 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P>I am working on imx6q based sabre AI custom board, running android 7.1.Everything works fine on our first version but in our latest version of our custom board,it is showing PMIC read and write error and booting freezes at that point as shown below.</P><P><LI-TOC indent="25" liststyle="disc" maxheadinglevel="6"></LI-TOC><SPAN style="color: #000080;">U-Boot 2017.03-ge981034-dirty (Mar 15 2018 - 12:02:36 +0530)</SPAN></P><P></P><P><SPAN style="color: #000080;">CPU:&nbsp;&nbsp; Freescale i.MX6Q rev1.6 996 MHz (running at 792 MHz)</SPAN><BR /><SPAN style="color: #000080;">CPU:&nbsp;&nbsp; Automotive temperature grade (-40C to 125C) at 27C</SPAN><BR /><SPAN style="color: #000080;">Reset cause: POR</SPAN><BR /><SPAN style="color: #000080;">Model: Freescale i.MX6 Quad SABRE Automotive Board</SPAN><BR /><SPAN style="color: #000080;">Board: MX6Q-Sabreauto revA</SPAN><BR /><SPAN style="color: #000080;">DRAM:&nbsp; 2 GiB</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x0!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x3!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">PMIC: PFUZE100! DEV_ID=0xfffffffb REV_ID=0xfffffffb</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x21!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x21!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x24!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x24!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x2f!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x2f!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x32!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">ERROR: write error to device: 8ef3c638 register: 0x32!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:36/pfuze100_write()</SPAN><BR /><SPAN style="color: #000080;">ERROR: read error from device: 8ef3c638 register: 0x0!</SPAN><BR /><SPAN style="color: #000080;">at drivers/power/pmic/pfuze100.c:46/pfuze100_read()</SPAN><BR /><SPAN style="color: #000080;">Not supported, id=11</SPAN><BR /><SPAN style="color: #000080;">initcall sequence 8ffa6f6c failed at call 178042d4 (err=-22)</SPAN><BR /><SPAN style="color: #000080;">### ERROR ### Please RESET the board ###</SPAN></P><P></P><P></P><P>We have done no patches in this hw section.Please help me to sort out this issues.</P><P>NB:same images works fine on our first version.</P><P></P><P>Regards,</P><P>Richu</P></BODY></HTML> Mon, 25 May 2020 07:23:01 GMT https://community.nxp.com/t5/i-MX-Processors/PMIC-read-error-imx6q-sabreAI/m-p/1070034#M157170 engineer_bsp01 2020-05-25T07:23:01Z Re: PMIC read error | imx6q sabreAI https://community.nxp.com/t5/i-MX-Processors/PMIC-read-error-imx6q-sabreAI/m-p/1070035#M157171 <HTML><HEAD></HEAD><BODY><P>Hi Richu</P><P></P><P>this may be hardware issue, one can check i2c signals with oscilloscope</P><P>in function power_init_board():</P><P><A class="link-titled" href="https://source.codeaurora.org/external/imx/uboot-imx/tree/board/freescale/mx6qsabreauto/mx6qsabreauto.c?h=imx_v2017.03_4.9.11_1.0.0_ga" title="https://source.codeaurora.org/external/imx/uboot-imx/tree/board/freescale/mx6qsabreauto/mx6qsabreauto.c?h=imx_v2017.03_4.9.11_1.0.0_ga">mx6qsabreauto.c\mx6qsabreauto\freescale\board - uboot-imx - i.MX U-Boot</A>&nbsp;</P><P>Sabre AI schematic can be found on <A class="link-titled" href="https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/sabre-for-automotive-infotainment-based-on-the-i-mx-6-series:RDIMX6SABREAUTO?&amp;fpsp=1&amp;tab=Design_Tools_Tab#documentsandsoftware" title="https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/sabre-for-automotive-infotainment-based-on-the-i-mx-6-series:RDIMX6SABREAUTO?&amp;fpsp=1&amp;tab=Design_Tools_Tab#documentsandsoftware">SABRE|Automotive-Infotainment|i.MX6 | NXP</A>&nbsp;</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> Mon, 25 May 2020 08:34:15 GMT https://community.nxp.com/t5/i-MX-Processors/PMIC-read-error-imx6q-sabreAI/m-p/1070035#M157171 igorpadykov 2020-05-25T08:34:15Z