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powerpc: Remove PowerPC 601

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Powerpc 601 is 25 years old.

It is not selected by any defconfig.

It requires a lot of special handling as it deviates from the
standard 6xx.

Retire it.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/00a6948d659e017f8ca63437d1384222c3aede57.1601362098.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2020-09-29 06:48:35 +00:00 committed by Michael Ellerman
parent d2a5cd83ee
commit f0ed73f3fa
2 changed files with 2 additions and 24 deletions
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15
arch/powerpc/kernel/cputable.c
View File

@ -609,21 +609,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
#endif /* CONFIG_PPC_BOOK3S_64 */
#ifdef CONFIG_PPC32
#ifdef CONFIG_PPC_BOOK3S_601
{ /* 601 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00010000,
.cpu_name = "601",
.cpu_features = CPU_FTRS_PPC601,
.cpu_user_features = COMMON_USER | PPC_FEATURE_601_INSTR |
PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB,
.mmu_features = MMU_FTR_HPTE_TABLE,
.icache_bsize = 32,
.dcache_bsize = 32,
.machine_check = machine_check_generic,
.platform = "ppc601",
},
#endif /* CONFIG_PPC_BOOK3S_601 */
#ifdef CONFIG_PPC_BOOK3S_6xx
{ /* 603 */
.pvr_mask = 0xffff0000,

11
arch/powerpc/platforms/Kconfig.cputype
View File

@ -20,7 +20,7 @@ choice
depends on PPC32
help
There are five families of 32 bit PowerPC chips supported.
The most common ones are the desktop and server CPUs (601, 603,
The most common ones are the desktop and server CPUs (603,
604, 740, 750, 74xx) CPUs from Freescale and IBM, with their
embedded 512x/52xx/82xx/83xx/86xx counterparts.
The other embedded parts, namely 4xx, 8xx, e200 (55xx) and e500
@ -30,7 +30,7 @@ choice
If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx.
config PPC_BOOK3S_6xx
bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx except 601"
bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx"
select PPC_BOOK3S_32
select PPC_FPU
select PPC_HAVE_PMU_SUPPORT
@ -38,13 +38,6 @@ config PPC_BOOK3S_6xx
select PPC_HAVE_KUAP
select HAVE_ARCH_VMAP_STACK if !ADB_PMU
config PPC_BOOK3S_601
bool "PowerPC 601"
select PPC_BOOK3S_32
select PPC_FPU
select PPC_HAVE_KUAP
select HAVE_ARCH_VMAP_STACK
config PPC_85xx
bool "Freescale 85xx"
select E500