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The problem is usually with the clocking, which is supposed to be configured by the RCW [4]. However, if it is not set, or if the default clocking is not correct, then this erratum will cause an SError. However, according to Ran Wang in [1]: > ... this erratum is used to pass USB compliance test only, you could > disable this workaround on your board if you don't any USB issue on > normal use case, I think it's fine. So just disable this erratum by default for these processors. [1] https://lore.kernel.org/all/761ddd61-05c1-d9b8-ac90-b8f425afde6c@denx.de/ [2] https://community.nxp.com/t5/Layerscape/LS1046A-U-BOOT-HALT-AT-ERRATUM-A0090078/m-p/742993 [3] https://community.nxp.com/t5/QorIQ/Why-does-the-LS1043A-U-Boot-hang-at-code-that-fixes-erratum/m-p/644412 [4] https://source.codeaurora.org/external/qoriq/qoriq-components/rcw/tree/ls1046ardb/usb_phy_freq.rcw Signed-off-by: Sean Anderson --- arch/arm/cpu/armv7/ls102xa/Kconfig | 1 - arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 2 -- 2 files changed, 3 deletions(-) diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig index 6a948d7ba7..cec93a27db 100644 --- a/arch/arm/cpu/armv7/ls102xa/Kconfig +++ b/arch/arm/cpu/armv7/ls102xa/Kconfig @@ -7,7 +7,6 @@ config ARCH_LS1021A select SYS_FSL_ERRATUM_A008407 select SYS_FSL_ERRATUM_A008850 select SYS_FSL_ERRATUM_A008997 if USB - select SYS_FSL_ERRATUM_A009007 if USB select SYS_FSL_ERRATUM_A009008 if USB select SYS_FSL_ERRATUM_A009663 select SYS_FSL_ERRATUM_A009798 if USB diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index 9bb870dcd8..f5a18053e6 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -74,7 +74,6 @@ config ARCH_LS1043A select SYS_FSL_DDR_VER_50 select SYS_FSL_ERRATUM_A008850 if !TFABOOT select SYS_FSL_ERRATUM_A008997 - select SYS_FSL_ERRATUM_A009007 select SYS_FSL_ERRATUM_A009008 select SYS_FSL_ERRATUM_A009660 if !TFABOOT select SYS_FSL_ERRATUM_A009663 if !TFABOOT @@ -112,7 +111,6 @@ config ARCH_LS1046A select SYS_FSL_ERRATUM_A008511 if !TFABOOT select SYS_FSL_ERRATUM_A008850 if !TFABOOT select SYS_FSL_ERRATUM_A008997 - select SYS_FSL_ERRATUM_A009007 select SYS_FSL_ERRATUM_A009008 select SYS_FSL_ERRATUM_A009798 select SYS_FSL_ERRATUM_A009801 -- 2.25.1