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powerpc/32: drop CPU_FTR_UNIFIED_ID_CACHE

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Only 601 and e200 have unified I/D cache.

Drop the feature and use CONFIG_PPC_BOOK3S_601 and CONFIG_E200.

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/b5902144266d2f4eed1ffea53915bd0245841e02.1566834712.git.christophe.leroy@c-s.fr
This commit is contained in:
Christophe Leroy
2019-08-26 15:52:18 +00:00
committed by Michael Ellerman
parent 39097b9c6d
commit e0291f1dec
3 changed files with 5 additions and 6 deletions
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2
arch/powerpc/kernel/setup_32.c
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@@ -206,6 +206,6 @@ __init void initialize_cache_info(void)
dcache_bsize = cur_cpu_spec->dcache_bsize;
icache_bsize = cur_cpu_spec->icache_bsize;
ucache_bsize = 0;
if (cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE))
if (IS_ENABLED(CONFIG_PPC_BOOK3S_601) || IS_ENABLED(CONFIG_E200))
ucache_bsize = icache_bsize = dcache_bsize;
}