diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-08-24 18:32:45 +0200 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-09-07 22:23:48 +0200 |
| commit | 44def3426e4ac5a2dbdb5c8304397f4daa38eb2f (patch) | |
| tree | 365e80bb0639308afa9500270f69b83fdd6f0d3b /arch/mips/include/asm/war.h | |
| parent | 5e5b6527128cea50f12a7064bf61b130b3a2739a (diff) | |
MIPS: Convert R4600_V2_HIT_CACHEOP into a config option
Use a new config option to enable R4600 V2 cacheop hit workaround
and remove define from different war.h files.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include/asm/war.h')
| -rw-r--r-- | arch/mips/include/asm/war.h | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/mips/include/asm/war.h b/arch/mips/include/asm/war.h index d336a0e57093..37092c2c68e1 100644 --- a/arch/mips/include/asm/war.h +++ b/arch/mips/include/asm/war.h @@ -73,21 +73,6 @@ #endif /* - * Writeback and invalidate the primary cache dcache before DMA. - * - * R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, - * Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only - * operate correctly if the internal data cache refill buffer is empty. These - * CACHE instructions should be separated from any potential data cache miss - * by a load instruction to an uncached address to empty the response buffer." - * (Revision 2.0 device errata from IDT available on https://www.idt.com/ - * in .pdf format.) - */ -#ifndef R4600_V2_HIT_CACHEOP_WAR -#error Check setting of R4600_V2_HIT_CACHEOP_WAR for your platform -#endif - -/* * Workaround for the Sibyte M3 errata the text of which can be found at * * http://sibyte.broadcom.com/hw/bcm1250/docs/pass2errata.txt |