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powerpc/40x: Remove IBM405 Erratum #51

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This erratum was for IBM 403GCX, 405EP and STB03xxx which are
now gone.

Remove this erratum.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1b6c9916514ef3e084bba57925ad9eb444627566.1590079969.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2020-05-21 16:56:01 +00:00 committed by Michael Ellerman
parent 7d372d4ccd
commit 59fb463b48
2 changed files with 0 additions and 10 deletions
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6
arch/powerpc/kernel/head_40x.S
View File

@ -426,13 +426,7 @@ _ENTRY(saved_ksp_limit)
EXCEPTION(0x1400, Trap_14, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1400, Trap_14, unknown_exception, EXC_XFER_STD)
EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_STD)
EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_STD)
#ifdef CONFIG_IBM405_ERR51
/* 405GP errata 51 */
START_EXCEPTION(0x1700, Trap_17)
b DTLBMiss
#else
EXCEPTION(0x1700, Trap_17, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1700, Trap_17, unknown_exception, EXC_XFER_STD)
#endif
EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_STD)
EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_STD)
EXCEPTION(0x1A00, Trap_1A, unknown_exception, EXC_XFER_STD) EXCEPTION(0x1A00, Trap_1A, unknown_exception, EXC_XFER_STD)

4
arch/powerpc/platforms/40x/Kconfig
View File

@ -75,10 +75,6 @@ config PPC4xx_GPIO
config IBM405_ERR77 config IBM405_ERR77
bool bool
# All 40x-based cores, up until the 405GPR and 405EP have this errata.
config IBM405_ERR51
bool
config APM8018X config APM8018X
bool "APM8018X" bool "APM8018X"
depends on 40x depends on 40x