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powerpc: Remove support for PowerPC 601

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PowerPC 601 has been retired.

Remove all associated specific code.

CPU_FTRS_PPC601 has CPU_FTR_COHERENT_ICACHE and CPU_FTR_COMMON.

CPU_FTR_COMMON is already present via other CPU_FTRS.
None of the remaining CPU selects CPU_FTR_COHERENT_ICACHE.

So CPU_FTRS_PPC601 can be removed from the possible features,
hence can be removed completely.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/60b725d55e21beec3335175c20b77903ff98284f.1601362098.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy
2020-09-29 06:48:36 +00:00
committed by Michael Ellerman
parent f0ed73f3fa
commit 8b14e1dff0
17 changed files with 17 additions and 206 deletions
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2
arch/powerpc/kernel/setup_32.c
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@@ -223,6 +223,6 @@ __init void initialize_cache_info(void)
dcache_bsize = cur_cpu_spec->dcache_bsize;
icache_bsize = cur_cpu_spec->icache_bsize;
ucache_bsize = 0;
if (IS_ENABLED(CONFIG_PPC_BOOK3S_601) || IS_ENABLED(CONFIG_E200))
if (IS_ENABLED(CONFIG_E200))
ucache_bsize = icache_bsize = dcache_bsize;
}