ARM: Add support for FA526 v2
Adds support for Faraday FA526 core. This core is used at least by:
Cortina Systems Gemini and Centroid family
Cavium Networks ECONA family
Grain Media GM8120
Pixelplus ImageARM
Prolific PL-1029
Faraday IP evaluation boards
v2:
- move TLB_BTB to separate patch
- update copyrights
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index d490f37..bc333186 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -186,6 +186,24 @@
Say Y if you want support for the ARM926T processor.
Otherwise, say N.
+# FA526
+config CPU_FA526
+ bool
+ select CPU_32v4
+ select CPU_ABRT_EV4
+ select CPU_PABRT_NOIFAR
+ select CPU_CACHE_VIVT
+ select CPU_CP15_MMU
+ select CPU_CACHE_FA
+ select CPU_COPY_FA if MMU
+ select CPU_TLB_FA if MMU
+ help
+ The FA526 is a version of the ARMv4 compatible processor with
+ Branch Target Buffer, Unified TLB and cache line size 16.
+
+ Say Y if you want support for the FA526 processor.
+ Otherwise, say N.
+
# ARM940T
config CPU_ARM940T
bool "Support ARM940T processor" if ARCH_INTEGRATOR
@@ -484,6 +502,9 @@
config CPU_CACHE_VIPT
bool
+config CPU_CACHE_FA
+ bool
+
if MMU
# The copy-page model
config CPU_COPY_V3
@@ -498,6 +519,9 @@
config CPU_COPY_FEROCEON
bool
+config CPU_COPY_FA
+ bool
+
config CPU_COPY_V6
bool
@@ -528,6 +552,13 @@
help
Feroceon TLB (v4wbi with non-outer-cachable page table walks).
+config CPU_TLB_FA
+ bool
+ help
+ Faraday ARM FA526 architecture, unified TLB with writeback cache
+ and invalidate instruction cache entry. Branch target buffer is
+ also supported.
+
config CPU_TLB_V6
bool
@@ -638,7 +669,7 @@
config CPU_DCACHE_WRITETHROUGH
bool "Force write through D-cache"
- depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020) && !CPU_DCACHE_DISABLE
+ depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_FA526) && !CPU_DCACHE_DISABLE
default y if CPU_ARM925T
help
Say Y here to use the data cache in writethrough mode. Unless you
@@ -653,7 +684,7 @@
config CPU_BPREDICT_DISABLE
bool "Disable branch prediction"
- depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7
+ depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7 || CPU_FA526
help
Say Y here to disable branch prediction. If unsure, say N.