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menu "ARC architecture"
depends on ARC
config SYS_ARCH
default "arc"
config SYS_CPU
default "arcv1" if ISA_ARCOMPACT
default "arcv2" if ISA_ARCV2
choice
prompt "ARC Instruction Set"
default ISA_ARCOMPACT
config ISA_ARCOMPACT
bool "ARCompact ISA"
help
The original ARC ISA of ARC600/700 cores
config ISA_ARCV2
bool "ARC ISA v2"
help
ISA for the Next Generation ARC-HS cores
endchoice
choice
prompt "CPU selection"
default CPU_ARC770D if ISA_ARCOMPACT
default CPU_ARCHS38 if ISA_ARCV2
config CPU_ARC750D
bool "ARC 750D"
depends on ISA_ARCOMPACT
select ARC_MMU_V2
help
Choose this option to build an U-Boot for ARC750D CPU.
config CPU_ARC770D
bool "ARC 770D"
depends on ISA_ARCOMPACT
select ARC_MMU_V3
help
Choose this option to build an U-Boot for ARC770D CPU.
config CPU_ARCEM6
bool "ARC EM6"
depends on ISA_ARCV2
select ARC_MMU_ABSENT
help
Next Generation ARC Core based on ISA-v2 ISA without MMU.
config CPU_ARCHS36
bool "ARC HS36"
depends on ISA_ARCV2
select ARC_MMU_ABSENT
help
Next Generation ARC Core based on ISA-v2 ISA without MMU.
config CPU_ARCHS38
bool "ARC HS38"
depends on ISA_ARCV2
select ARC_MMU_V4
help
Next Generation ARC Core based on ISA-v2 ISA with MMU.
endchoice
choice
prompt "MMU Version"
default ARC_MMU_V3 if CPU_ARC770D
default ARC_MMU_V2 if CPU_ARC750D
default ARC_MMU_ABSENT if CPU_ARCEM6
default ARC_MMU_ABSENT if CPU_ARCHS36
default ARC_MMU_V4 if CPU_ARCHS38
config ARC_MMU_ABSENT
bool "No MMU"
help
No MMU
config ARC_MMU_V2
bool "MMU v2"
depends on CPU_ARC750D
help
Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio
when 2 D-TLB and 1 I-TLB entries index into same 2way set.
config ARC_MMU_V3
bool "MMU v3"
depends on CPU_ARC770D
help
Introduced with ARC700 4.10: New Features
Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
Shared Address Spaces (SASID)
config ARC_MMU_V4
bool "MMU v4"
depends on CPU_ARCHS38
help
Introduced as a part of ARC HS38 release.
endchoice
config CPU_BIG_ENDIAN
bool "Enable Big Endian Mode"
default n
help
Build kernel for Big Endian Mode of ARC CPU
config SYS_ICACHE_OFF
bool "Do not enable icache"
default n
help
Do not enable instruction cache in U-Boot.
config SPL_SYS_ICACHE_OFF
bool "Do not enable icache in SPL"
depends on SPL
default SYS_ICACHE_OFF
help
Do not enable instruction cache in SPL.
config SYS_DCACHE_OFF
bool "Do not enable dcache"
default n
help
Do not enable data cache in U-Boot.
config SPL_SYS_DCACHE_OFF
bool "Do not enable dcache in SPL"
depends on SPL
default SYS_DCACHE_OFF
help
Do not enable data cache in SPL.
menuconfig ARC_DBG
bool "ARC debugging"
default n
if ARC_DBG
config ARC_DBG_IOC_ENABLE
bool "Enable IO coherency unit"
depends on CPU_ARCHS38
default n
help
Enable IO coherency unit to debug problems with caches and
DMA peripherals.
NOTE: as of today linux will not work properly if this option
is enabled in u-boot!
endif
choice
prompt "Target select"
default TARGET_AXS103
config TARGET_TB100
bool "Support tb100"
config TARGET_NSIM
bool "Support ARC simulation & prototyping platforms"
config TARGET_AXS101
bool "Support Synopsys Designware SDP board AXS101"
select BOUNCE_BUFFER if CMD_NAND
config TARGET_AXS103
bool "Support Synopsys Designware SDP board AXS103"
select BOUNCE_BUFFER if CMD_NAND
config TARGET_EMSDP
bool "Synopsys EM Software Development Platform"
select CPU_ARCEM6
config TARGET_HSDK
bool "Support Synpsys HS DevelopmentKit board"
config TARGET_IOT_DEVKIT
bool "Synopsys Brite IoT Development kit"
select CPU_ARCEM6
endchoice
source "board/abilis/tb100/Kconfig"
source "board/synopsys/axs10x/Kconfig"
source "board/synopsys/emsdp/Kconfig"
source "board/synopsys/hsdk/Kconfig"
source "board/synopsys/iot_devkit/Kconfig"
source "board/synopsys/nsim/Kconfig"
endmenu
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