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  • 2020-06-01
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spl.c

Forked from Reform / reform-boundary-uboot
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  • Stefan Agner's avatar
    ac0a93fd
    imx_common: check for bmode Serial Downloader · ac0a93fd
    Stefan Agner authored
    
    Before commit 81c4eccb ("imx: mx6: fix USB bmode to use
    reserved value") a non-reserved value has been used to trigger
    Serial Downloader using bmode, which translated to a GPR9 value
    of 0x10. However, on some boards the non-reserved value lead to
    unreliable bmode command. With the above mentioned commit, U-boot
    switched to use [7:4] b0001, which translates to GPR9 0x10 for
    Serial Downloader mode. Check for the new value and classify it
    as Serial Downloader mode.
    
    Signed-off-by: default avatarStefan Agner <stefan.agner@toradex.com>
    CC: Stefano Babic <sbabic@denx.de>
    CC: Tim Harvey <tharvey@gateworks.com>
    CC: Fabio Estevam <Fabio.Estevam@freescale.com>
    CC: Eric Nelson <eric.nelson@boundarydevices.com>
    ac0a93fd
    History
    imx_common: check for bmode Serial Downloader
    Stefan Agner authored
    
    Before commit 81c4eccb ("imx: mx6: fix USB bmode to use
    reserved value") a non-reserved value has been used to trigger
    Serial Downloader using bmode, which translated to a GPR9 value
    of 0x10. However, on some boards the non-reserved value lead to
    unreliable bmode command. With the above mentioned commit, U-boot
    switched to use [7:4] b0001, which translates to GPR9 0x10 for
    Serial Downloader mode. Check for the new value and classify it
    as Serial Downloader mode.
    
    Signed-off-by: default avatarStefan Agner <stefan.agner@toradex.com>
    CC: Stefano Babic <sbabic@denx.de>
    CC: Tim Harvey <tharvey@gateworks.com>
    CC: Fabio Estevam <Fabio.Estevam@freescale.com>
    CC: Eric Nelson <eric.nelson@boundarydevices.com>