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-rw-r--r--arch/arc/include/asm/arcregs.h2
-rw-r--r--arch/arc/mm/cache.c15
2 files changed, 5 insertions, 12 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index da41a54ea2d7..f659942744de 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -244,7 +244,7 @@ struct cpuinfo_arc_mmu {
};
struct cpuinfo_arc_cache {
- unsigned int sz_k:14, line_len:8, assoc:4, ver:4, alias:1, vipt:1;
+ unsigned int sz_k:14, line_len:8, assoc:4, alias:1, vipt:1, pad:4;
};
struct cpuinfo_arc_bpu {
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 50d71695cd4e..a0ce8ff1e59c 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -40,7 +40,7 @@ char *arc_cache_mumbojumbo(int c, char *buf, int len)
struct cpuinfo_arc_cache *p;
#define PR_CACHE(p, cfg, str) \
- if (!(p)->ver) \
+ if (!(p)->line_len) \
n += scnprintf(buf + n, len - n, str"\t\t: N/A\n"); \
else \
n += scnprintf(buf + n, len - n, \
@@ -54,7 +54,7 @@ char *arc_cache_mumbojumbo(int c, char *buf, int len)
PR_CACHE(&cpuinfo_arc700[c].dcache, CONFIG_ARC_HAS_DCACHE, "D-Cache");
p = &cpuinfo_arc700[c].slc;
- if (p->ver)
+ if (p->line_len)
n += scnprintf(buf + n, len - n,
"SLC\t\t: %uK, %uB Line%s\n",
p->sz_k, p->line_len, IS_USED_RUN(slc_enable));
@@ -104,7 +104,6 @@ static void read_decode_cache_bcr_arcv2(int cpu)
READ_BCR(ARC_REG_SLC_BCR, sbcr);
if (sbcr.ver) {
READ_BCR(ARC_REG_SLC_CFG, slc_cfg);
- p_slc->ver = sbcr.ver;
p_slc->sz_k = 128 << slc_cfg.sz;
l2_line_sz = p_slc->line_len = (slc_cfg.lsz == 0) ? 128 : 64;
}
@@ -152,7 +151,6 @@ void read_decode_cache_bcr(void)
p_ic->line_len = 8 << ibcr.line_len;
p_ic->sz_k = 1 << (ibcr.sz - 1);
- p_ic->ver = ibcr.ver;
p_ic->vipt = 1;
p_ic->alias = p_ic->sz_k/p_ic->assoc/TO_KB(PAGE_SIZE) > 1;
@@ -176,7 +174,6 @@ dc_chk:
p_dc->line_len = 16 << dbcr.line_len;
p_dc->sz_k = 1 << (dbcr.sz - 1);
- p_dc->ver = dbcr.ver;
slc_chk:
if (is_isa_arcv2())
@@ -945,17 +942,13 @@ void arc_cache_init(void)
if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE)) {
struct cpuinfo_arc_cache *ic = &cpuinfo_arc700[cpu].icache;
- if (!ic->ver)
+ if (!ic->line_len)
panic("cache support enabled but non-existent cache\n");
if (ic->line_len != L1_CACHE_BYTES)
panic("ICache line [%d] != kernel Config [%d]",
ic->line_len, L1_CACHE_BYTES);
- if (ic->ver != CONFIG_ARC_MMU_VER)
- panic("Cache ver [%d] doesn't match MMU ver [%d]\n",
- ic->ver, CONFIG_ARC_MMU_VER);
-
/*
* In MMU v4 (HS38x) the aliasing icache config uses IVIL/PTAG
* pair to provide vaddr/paddr respectively, just as in MMU v3
@@ -969,7 +962,7 @@ void arc_cache_init(void)
if (IS_ENABLED(CONFIG_ARC_HAS_DCACHE)) {
struct cpuinfo_arc_cache *dc = &cpuinfo_arc700[cpu].dcache;
- if (!dc->ver)
+ if (!dc->line_len)
panic("cache support enabled but non-existent cache\n");
if (dc->line_len != L1_CACHE_BYTES)