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arm: omap3: Bring back ARM errata workaround 725233

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The workaround for ARM errata 725233 had been lost since
commit 45bf05854b (armv7: adapt omap3 to the new cache
maintenance framework). Bring it back in order to avoid
very difficult to reproduce, but actually encountered in
the wild CPU deadlocks when running software rendered
X11 desktop on OMAP3530 hardware.

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Migrate to Kconfig]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Siarhei Siamashka
2017-03-06 03:16:53 +02:00
committed by Tom Rini
parent 7584f2e0fb
commit 19a75b8cf8
4 changed files with 28 additions and 0 deletions
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1
arch/arm/include/asm/arch-omap3/omap.h
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@@ -243,6 +243,7 @@ struct gpio {
* ROM code API related flags
*/
#define OMAP3_GP_ROMCODE_API_L2_INVAL 1
#define OMAP3_GP_ROMCODE_API_WRITE_L2ACR 2
#define OMAP3_GP_ROMCODE_API_WRITE_ACR 3
/*