arc: select cache settings via menuconfig

[u-boot] / arch / arc / Kconfig

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index f7d29641441409c7610eddc07980e22d1eddb329..397b1791980ef565eaaea349efd49cb4308eda9f 100644 (file)
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -47,6 +47,25 @@ config ARC_MMU_V3
 
 endchoice
 
+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"