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| author | Alexey Brodkin <Alexey.Brodkin@synopsys.com> | 2015-05-18 16:56:26 +0300 |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2015-07-01 17:17:27 +0300 |
| commit | ef639e6f7076c19959f40f367cead5108d099592 (patch) | |
| tree | cea7b5dba213bd2a88041cca9485e19a75d0e3df /arch/arc/include | |
| parent | 8b2eb776b13055e71f94367c06a26c5e3a902f16 (diff) | |
| download | talos-obmc-uboot-ef639e6f7076c19959f40f367cead5108d099592.tar.gz talos-obmc-uboot-ef639e6f7076c19959f40f367cead5108d099592.zip | |
arc: significant cache rework
[1] Align cache management functions to those in Linux kernel. I.e.:
a) Use the same functions for all cache ops (D$ Inv/Flush)
b) Split cache ops in 3 sub-functions: "before", "lineloop" and
"after". That way we may re-use "before" and "after" functions for
region and full cache ops.
[2] Implement full-functional L2 (SLC) management. Before SLC was
simply disabled early on boot. It's also possible to enable or disable
L2 cache from config utility.
[3] Disable/enable corresponding caches early on boot. So if U-Boot is
configured to use caches they will be used at all times (this is useful
in partucular for speed-up of relocation).
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'arch/arc/include')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 5 | ||||
| -rw-r--r-- | arch/arc/include/asm/cache.h | 7 |
2 files changed, 5 insertions, 7 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 0e11dcced5..667f218bd8 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -47,9 +47,12 @@ #endif #define ARC_BCR_DC_BUILD 0x72 #define ARC_BCR_SLC 0xce -#define ARC_AUX_SLC_CONTROL 0x903 +#define ARC_AUX_SLC_CONFIG 0x901 +#define ARC_AUX_SLC_CTRL 0x903 #define ARC_AUX_SLC_FLUSH 0x904 #define ARC_AUX_SLC_INVALIDATE 0x905 +#define ARC_AUX_SLC_IVDL 0x910 +#define ARC_AUX_SLC_FLDL 0x912 #ifndef __ASSEMBLY__ /* Accessors for auxiliary registers */ diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index 0b3ebd9f58..432606a433 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -29,12 +29,7 @@ #ifndef __ASSEMBLY__ -#ifdef CONFIG_ISA_ARCV2 -void slc_enable(void); -void slc_disable(void); -void slc_flush(void); -void slc_invalidate(void); -#endif +void cache_init(void); #endif /* __ASSEMBLY__ */ |
