X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=arch%2Farc%2FKconfig;h=04fc7b6ab2e8ba283e2bf8929a42fd4efcebdeeb;hb=1f9ad44546ea872fc6671602eb411377dd424c9e;hp=51d5aff08e68667c00a42bb244e4857eef6b32e0;hpb=dd84058d24ff54d6b32818ffe44aeb4bba2cfae6;p=people%2Fms%2Fu-boot.git

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 51d5aff08e..04fc7b6ab2 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -2,9 +2,76 @@ menu "ARC architecture"
 	depends on ARC
 
 config SYS_ARCH
-	string
 	default "arc"
 
+config SYS_CPU
+	default "arcv1"
+
+choice
+	prompt "CPU selection"
+	default CPU_ARC770D
+
+config CPU_ARC750D
+	bool "ARC 750D"
+	select ARC_MMU_V2
+	help
+	  Choose this option to build an U-Boot for ARC750D CPU.
+
+config CPU_ARC770D
+	bool "ARC 770D"
+	select ARC_MMU_V3
+	help
+	  Choose this option to build an U-Boot for ARC770D CPU.
+
+endchoice
+
+choice
+	prompt "MMU Version"
+	default ARC_MMU_V3 if CPU_ARC770D
+	default ARC_MMU_V2 if CPU_ARC750D
+
+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)
+
+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 use Instruction Cache"
+	default n
+
+config SYS_DCACHE_OFF
+	bool "Do not use Data Cache"
+	default n
+
+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
+	help
+	  Starting with ARC700 4.9, Cache line length is configurable,
+	  This option specifies "N", with Line-len = 2 power N
+	  So line lengths of 32, 64, 128 are specified by 5,6,7, respectively
+	  Linux only supports same line lengths for I and D caches.
+
 choice
 	prompt "Target select"
 
@@ -14,9 +81,6 @@ config TARGET_TB100
 config TARGET_ARCANGEL4
 	bool "Support arcangel4"
 
-config TARGET_ARCANGEL4_BE
-	bool "Support arcangel4-be"
-
 config TARGET_AXS101
 	bool "Support axs101"