powerpc: Allow CPU selection of e300core variants

GCC supports -mcpu=e300c2 and -mcpu=e300c3

This patch gives the opportunity to tune kernel to one of
those two types.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2018-06-07 10:10:22 +00:00 committed by Michael Ellerman
parent 0e00a8c9fd
commit d6690b1a9b

View File

@ -144,6 +144,14 @@ config 860_CPU
bool "8xx family"
depends on PPC_8xx
config E300C2_CPU
bool "e300c2 (832x)"
depends on PPC_BOOK3S_32
config E300C3_CPU
bool "e300c3 (831x)"
depends on PPC_BOOK3S_32
endchoice
config TARGET_CPU_BOOL
@ -160,6 +168,8 @@ config TARGET_CPU
default "power8" if POWER8_CPU
default "power9" if POWER9_CPU
default "860" if 860_CPU
default "e300c2" if E300C2_CPU
default "e300c3" if E300C3_CPU
config PPC_BOOK3S
def_bool y