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arch/mips: re-add support for MIPS IV

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Support for MIPS IV was dropped in commit
dd45fe0efb ("arch/mips: remove
deprecated mips1/2/3/4 support"). However, even though it is an older
ISA than R1, it is still useful to support older MIPS-based
systems (e.g.: Cobalt Qube).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Florian Fainelli 2023-08-08 14:41:53 -07:00 committed by Thomas Petazzoni
parent 527e538a82
commit 60cf00d3f4
1 changed files with 5 additions and 2 deletions
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7
arch/Config.in.mips
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@ -40,8 +40,8 @@ choice
help
Specific CPU variant to use
64bit capable: 64, 64r2, 64r3, 64r5, 64r6
non-64bit capable: 32, 32r2, 32r3, 32r5, 32r6
64bit capable: mips4, 64, 64r2, 64r3, 64r5, 64r6
non-64bit capable: mips4, 32, 32r2, 32r3, 32r5, 32r6
config BR2_mips_32
bool "Generic MIPS32"
@ -97,6 +97,8 @@ config BR2_mips_xburst
to be used in order to prevent emitting these instructions.
See http://www.ingenic.com/en/?xburst.html
config BR2_mips4
bool "MIPS IV"
config BR2_mips_64
bool "Generic MIPS64"
depends on BR2_ARCH_IS_64
@ -262,6 +264,7 @@ config BR2_GCC_TARGET_ARCH
default "octeon2" if BR2_mips_octeon2
default "octeon3" if BR2_mips_octeon3
default "p6600" if BR2_mips_p6600
default "mips4" if BR2_mips4
config BR2_MIPS_OABI32
bool