• Timur Tabi's avatar
    powerpc/85xx: clean up and document the QE/FMAN microcode macros · f2717b47
    Timur Tabi authored
    Several macros are used to identify and locate the microcode binary image
    that U-boot needs to upload to the QE or Fman.  Both the QE and the Fman
    use the QE Firmware binary format to package their respective microcode data,
    which is why the same macros are used for both.  A given SOC will only have
    a QE or an Fman, so this is safe.
    
    Unfortunately, the current macro definition and usage has inconsistencies.
    For example, CONFIG_SYS_FMAN_FW_ADDR was used to define the address of Fman
    firmware in NOR flash, but CONFIG_SYS_QE_FW_IN_NAND contains the address
    of NAND.  There's no way to know by looking at a variable how it's supposed
    to be used.
    
    In the future, the code which uploads QE firmware and Fman firmware will
    be merged.
    Signed-off-by: default avatarTimur Tabi <timur@freescale.com>
    Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
    f2717b47
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