An error when booting a WRL19 image in the board NXP iMX8QM: Following the WRLinux LTS19 documentation does not produce a usable image. I've attempted several targets and configurations with the WR nxp-imx8 BSP layer and I can't get it to boot. I followed the instructions in "layers/nxp-imx8/README" to build an imx8 bootloader image from the NXP imx-manifest, and I've verified that the bootloader is good, loading it into a working WIC built from the imx-manifest. Boot process always stops at: Waiting for root device /dev/mmcblk1p2... mmc0: Timeout waiting for hardware interrupt. mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00000002 mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000001 mmc0: sdhci: Argument: 0x00000000 | Trn mode: 0x00000013 mmc0: sdhci: Present: 0x01fd8a0a | Host ctl: 0x00000011 mmc0: sdhci: Power: 0x00000002 | Blk gap: 0x00000080 mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x000020ff mmc0: sdhci: Timeout: 0x0000008f | Int stat: 0x00000000 mmc0: sdhci: Int enab: 0x117f100b | Sig enab: 0x117f100b mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000502 mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407 mmc0: sdhci: Cmd: 0x0000083a | Max curr: 0x00ffffff mmc0: sdhci: Resp0]: 0x00000900 ( Resp[1): 0xffc003ff mmc0: sdhci: Resp2]: 0x328f5903 ( Resp[3): 0x00d07f01 mmc0: sdhci: Host ctl2: 0x00000000 mmc0: sdhci: ADMA Err: 0x00000009 | ADMA Ptr: 0xfffff200 mmc0: sdhci: ============================================ mmc0: error -110 whilst initialising MMC card mmc1: Timeout waiting for hardware interrupt. mmc1: sdhci: ============ SDHCI REGISTER DUMP =========== mmc1: sdhci: Sys addr: 0x00000000 | Version: 0x00000002 mmc1: sdhci: Blk size: 0x00000008 | Blk cnt: 0x00000001 mmc1: sdhci: Argument: 0x00000000 | Trn mode: 0x00000013 mmc1: sdhci: Present: 0x01f88a0a | Host ctl: 0x00000011 mmc1: sdhci: Power: 0x00000002 | Blk gap: 0x00000080 mmc1: sdhci: Wake-up: 0x00000008 | Clock: 0x000010ff mmc1: sdhci: Timeout: 0x0000008f | Int stat: 0x00000000 mmc1: sdhci: Int enab: 0x117f100b | Sig enab: 0x117f100b mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000502 mmc1: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407 mmc1: sdhci: Cmd: 0x0000333a | Max curr: 0x00ffffff mmc1: sdhci: Resp0]: 0x00000920 ( Resp[1): 0x03baff7f mmc1: sdhci: Resp2]: 0x32db7900 ( Resp[3): 0x00400e00 mmc1: sdhci: Host ctl2: 0x00000008 mmc1: sdhci: ADMA Err: 0x00000009 | ADMA Ptr: 0xffffe208 mmc1: sdhci: ============================================ mmc1: error -110 whilst initialising SD card I helped the customer by pointing them to use the MCIMX8QM-MEK board (*$machine = "imx8qmmek"*) when preparing the SDK. However, I understood why they had the mistake. It looks like the _*layers/nxp-imx8/README*_ file documentation is not generic. Specifically in this section: 2) Prepare the bootloader image imx-boot-<$machine>-sd.bin. User can build a SDK to obtain the bootloader by executing the commands as below: $repo init -u [https://source.codeaurora.org/external/imx/imx-manifest] -b imx-linux-warrior -m imx-4.19.35-1.1.0.xml $repo sync $DISTRO=fsl-imx-xwayland MACHINE=imx8mqevk source fsl-setup-release.sh -b build-xwayland$bitbake imx-boot Please fix the documentation to be more generic. It could be something like this (*use MACHINE=$machine instead of MACHINE=imx8mqevk*): 2) Prepare the bootloader image imx-boot-<$machine>-sd.bin. User can build a SDK to obtain the bootloader by executing the commands as below: $repo init -u https://source.codeaurora.org/external/imx/imx-manifest -b imx-linux-warrior -m imx-4.19.35-1.1.0.xml $repo sync $DISTRO=fsl-imx-xwayland MACHINE=$machine source fsl-setup-release.sh -b build-xwayland$bitbake imx-boot
