On 5/2/19 12:24 PM, Faiz Abbas wrote: > Hi Marek, > > On 02/05/19 3:39 PM, Marek Vasut wrote: >> On 5/2/19 9:57 AM, Faiz Abbas wrote: >>> Hi, >> >> Hi, >> >>> On 14/02/19 6:56 PM, Marek Vasut wrote: >>>> Older kernel versions or systems which do not connect eMMC reset line >>>> properly may not be able to handle situations where either the eMMC >>>> is left in HS200/HS400 mode or SD card in UHS modes by the bootloader >>>> and may misbehave. Downgrade the eMMC to HS/HS52 mode and/or SD card >>>> to non-UHS mode before booting the kernel to allow such older kernels >>>> to work with modern U-Boot. >>> >>> This broke boot on all dra7xx devices. The fallback to DDR52 doesn't go >>> through and all following commands timeout. >>> >>> Log: >>> >>> U-Boot 2019.04-rc4-00018-ga00d15757d (Mar 20 2019 - 17:25:22 +0200) >>> >>> CPU : DRA752-GP ES2.0 >>> Model: TI DRA742 >>> Board: DRA74x EVM REV H.0 >>> DRAM: 4 GiB >>> MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 >>> Loading Environment from FAT... *** Warning - bad CRC, using default >>> environment >>> >>> Loading Environment from MMC... OK >>> Net: eth0: ethernet@48484000 >>> Hit any key to stop autoboot: 0 >>> => >>> => boot >>> Booting from network ... >>> link up on port 0, speed 1000, full duplex >>> BOOTP broadcast 1 >>> DHCP client bound to address 192.168.1.52 (246 ms) >>> link up on port 0, speed 1000, full duplex >>> Using ethernet@48484000 device >>> TFTP from server 192.168.1.36; our IP address is 192.168.1.52 >>> Filename 'zImage'. >>> Load address: 0x87000000 >>> Loading: ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ################################################################# >>> ############################################# >>> 3.3 MiB/s >>> done >>> Bytes transferred = 3556144 (364330 hex) >>> link up on port 0, speed 1000, full duplex >>> Using ethernet@48484000 device >>> TFTP from server 192.168.1.36; our IP address is 192.168.1.52 >>> Filename 'dra7-evm.dtb'. >>> Load address: 0x88000000 >>> Loading: ###################### >>> 2.9 MiB/s >>> done >>> Bytes transferred = 108307 (1a713 hex) >>> ## Flattened Device Tree blob at 88000000 >>> Booting using the fdt blob at 0x88000000 >>> Loading Device Tree to 8ffe2000, end 8ffff712 ... OK >>> Using machid 0xfe6 from environment >>> >>> Starting kernel ... >>> >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >>> omap_hsmmc_send_cmd: timedout waiting on cmd inhibit to clear >> >> This seems to be a kernel bug ? > > Kernel MMC hasn't even probed yet. This omap_hsmmc_send_cmd print is > coming from drivers/mmc/omap_hsmmc.c:1066 > > Here's the Log with MMC_TRACE > enabled:https://pastebin.ubuntu.com/p/M3W3DVjqn5/
Oh, could it be the clock were disabled at this point already ? Or something along those lines. I don't have any omap board to test it on, can you debug it ? -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot

