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ARM: implement erratum 716044 workaround
Add common code to enable the workaround for ARM erratum 716044. This will be enabled for Tegra. Signed-off-by: Stephen Warren <swarren@nvidia.com>
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@ -485,6 +485,7 @@ The following options need to be configured:
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Thumb2 this flag will result in Thumb2 code generated by
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GCC.
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CONFIG_ARM_ERRATA_716044
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CONFIG_ARM_ERRATA_742230
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CONFIG_ARM_ERRATA_743622
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CONFIG_ARM_ERRATA_751472
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@ -310,6 +310,12 @@ ENTRY(cpu_init_cp15)
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#endif
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mcr p15, 0, r0, c1, c0, 0
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#ifdef CONFIG_ARM_ERRATA_716044
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mrc p15, 0, r0, c1, c0, 0 @ read system control register
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orr r0, r0, #1 << 11 @ set bit #11
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mcr p15, 0, r0, c1, c0, 0 @ write system control register
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#endif
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#ifdef CONFIG_ARM_ERRATA_742230
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mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register
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orr r0, r0, #1 << 4 @ set bit #4
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