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(parent: 362ee04) | patch
powerpc/mpc85xx: work around erratum A-006593
authorScott Wood <scottwood@freescale.com>
Wed, 15 May 2013 22:50:13 +0000 (17:50 -0500)
committerAndy Fleming <afleming@freescale.com>
Thu, 20 Jun 2013 22:08:49 +0000 (17:08 -0500)
commit8212519254bc3ea94d959f56f10061849aa07b26
tree9e9215a35509b017d7927f7ca213fa47dcc1a423tree | snapshot
parent362ee04b797d02117e48312010974d69c325be60commit | diff
powerpc/mpc85xx: work around erratum A-006593

Erratum A-006593 is "Atomic store may report failure but still allow
the store data to be visible".

The workaround is: "Set CoreNet Platform Cache register CPCHDBCR0 bit
21 to 1'b1.  This may have a small impact on synthetic write bandwidth
benchmarks but should have a negligible impact on real code."

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
arch/powerpc/cpu/mpc85xx/cmd_errata.c diff | blob | history
arch/powerpc/cpu/mpc85xx/cpu_init.c diff | blob | history
arch/powerpc/include/asm/config_mpc85xx.h diff | blob | history
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