X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farc%2FKconfig;h=925e31201ef1486d23333b8b2c2b5ac8e4e3e796;hb=8a954eb695326eb406c4a548bb686190fea82bca;hp=a8dc4e2336da12aeef0c696be61267688492d925;hpb=a4fb5df214c7e8d5bc949c1068d92252f105427a;p=oweals%2Fu-boot.git diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index a8dc4e2336..925e31201e 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -4,34 +4,80 @@ menu "ARC architecture" config SYS_ARCH default "arc" -config USE_PRIVATE_LIBGCC - default y - config SYS_CPU - default "arcv1" + 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 + default CPU_ARC770D if ISA_ARCOMPACT + default CPU_ARCHS38 if ISA_ARCV2 config CPU_ARC750D bool "ARC 750D" select ARC_MMU_V2 + depends on ISA_ARCOMPACT help Choose this option to build an U-Boot for ARC750D CPU. config CPU_ARC770D bool "ARC 770D" select ARC_MMU_V3 + depends on ISA_ARCOMPACT help Choose this option to build an U-Boot for ARC770D CPU. +config CPU_ARCEM6 + bool "ARC EM6" + select ARC_MMU_ABSENT + depends on ISA_ARCV2 + help + Next Generation ARC Core based on ISA-v2 ISA without MMU. + +config CPU_ARCHS36 + bool "ARC HS36" + select ARC_MMU_ABSENT + depends on ISA_ARCV2 + help + Next Generation ARC Core based on ISA-v2 ISA without MMU. + +config CPU_ARCHS38 + bool "ARC HS38" + select ARC_MMU_V4 + depends on ISA_ARCV2 + 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" @@ -48,6 +94,12 @@ config ARC_MMU_V3 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 @@ -68,7 +120,7 @@ config ARC_CACHE_LINE_SHIFT int "Cache Line Length (as power of 2)" range 5 7 default "6" - depends on !SYS_DCACHE_OFF || !SYS_DCACHE_OFF + depends on !SYS_DCACHE_OFF || !SYS_ICACHE_OFF help Starting with ARC700 4.9, Cache line length is configurable, This option specifies "N", with Line-len = 2 power N @@ -77,6 +129,7 @@ config ARC_CACHE_LINE_SHIFT choice prompt "Target select" + optional config TARGET_TB100 bool "Support tb100"