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powerpc/32s: use CONFIG_PPC_BOOK3S_601 instead of reading PVR

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Use CONFIG_PPC_BOOK3S_601 instead of reading PVR to know if
it is a 601 or not.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/909c26db9facd7fe454695b303f952e019dd9eda.1566834712.git.christophe.leroy@c-s.fr
This commit is contained in:
Christophe Leroy
2019-08-26 15:52:17 +00:00
committed by Michael Ellerman
parent 88fb309409
commit 39097b9c6d
2 changed files with 24 additions and 31 deletions
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6
arch/powerpc/kernel/misc_32.S
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@@ -303,11 +303,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_UNIFIED_ID_CACHE)
mfspr r3,SPRN_L1CSR1
ori r3,r3,L1CSR1_ICFI|L1CSR1_ICLFR
mtspr SPRN_L1CSR1,r3
#elif defined(CONFIG_PPC_BOOK3S_601)
blr /* for 601, do nothing */
#else
mfspr r3,SPRN_PVR
rlwinm r3,r3,16,16,31
cmpwi 0,r3,1
beqlr /* for 601, do nothing */
/* 603/604 processor - use invalidate-all bit in HID0 */
mfspr r3,SPRN_HID0
ori r3,r3,HID0_ICFI