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Diffstat (limited to 'arch/loongarch/include/asm/cpu-info.h')
-rw-r--r--arch/loongarch/include/asm/cpu-info.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/loongarch/include/asm/cpu-info.h b/arch/loongarch/include/asm/cpu-info.h
index b6c4f96079df..cd73a6f57fe3 100644
--- a/arch/loongarch/include/asm/cpu-info.h
+++ b/arch/loongarch/include/asm/cpu-info.h
@@ -10,18 +10,28 @@
#include <asm/loongarch.h>
+/* cache_desc->flags */
+enum {
+ CACHE_PRESENT = (1 << 0),
+ CACHE_PRIVATE = (1 << 1), /* core private cache */
+ CACHE_INCLUSIVE = (1 << 2), /* include the inner level caches */
+};
+
/*
* Descriptor for a cache
*/
struct cache_desc {
- unsigned int waysize; /* Bytes per way */
+ unsigned char type;
+ unsigned char level;
unsigned short sets; /* Number of lines per set */
unsigned char ways; /* Number of ways */
unsigned char linesz; /* Size of line in bytes */
- unsigned char waybit; /* Bits to select in a cache set */
unsigned char flags; /* Flags describing cache properties */
};
+#define CACHE_LEVEL_MAX 3
+#define CACHE_LEAVES_MAX 6
+
struct cpuinfo_loongarch {
u64 asid_cache;
unsigned long asid_mask;
@@ -40,11 +50,8 @@ struct cpuinfo_loongarch {
int tlbsizemtlb;
int tlbsizestlbsets;
int tlbsizestlbways;
- struct cache_desc icache; /* Primary I-cache */
- struct cache_desc dcache; /* Primary D or combined I/D cache */
- struct cache_desc vcache; /* Victim cache, between pcache and scache */
- struct cache_desc scache; /* Secondary cache */
- struct cache_desc tcache; /* Tertiary/split secondary cache */
+ int cache_leaves_present; /* number of cache_leaves[] elements */
+ struct cache_desc cache_leaves[CACHE_LEAVES_MAX];
int core; /* physical core number in package */
int package;/* physical package number */
int vabits; /* Virtual Address size in bits */