powerpc: mpc85xx: Implemente workaround for CPU erratum A-007907
Core hang occurs when using L1 stashes. Workaround is to disable L1 stashes so software uses L2 cache for stashes instead. Reviewed-by:Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by:
Darwin Dingel <darwin.dingel@alliedtelesis.co.nz> Cc: York Sun <york.sun@nxp.com> [York S: Move SYS_FSL_ERRATUM_A007907 to Kconfig] Reviewed-by:
York Sun <york.sun@nxp.com>
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- arch/powerpc/cpu/mpc85xx/Kconfig 6 additions, 0 deletionsarch/powerpc/cpu/mpc85xx/Kconfig
- arch/powerpc/cpu/mpc85xx/cmd_errata.c 3 additions, 1 deletionarch/powerpc/cpu/mpc85xx/cmd_errata.c
- arch/powerpc/cpu/mpc85xx/cpu_init.c 7 additions, 0 deletionsarch/powerpc/cpu/mpc85xx/cpu_init.c
- arch/powerpc/include/asm/processor.h 1 addition, 0 deletionsarch/powerpc/include/asm/processor.h
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