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| author | Vineet Gupta <vgupta@synopsys.com> | 2015-10-02 16:54:20 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-10-17 15:18:26 +0300 |
| commit | d0890ea5b68f63d7b8641455dc5534886fee2fa1 (patch) | |
| tree | 104314abfdcb73e3a914138b12dfa92a8b772a7c /arch/arc | |
| parent | 964cf28f9d10f4e5229e4365258c292bc5c856b2 (diff) | |
| download | linux-d0890ea5b68f63d7b8641455dc5534886fee2fa1.tar.xz | |
ARC: boot log: decode more mmu config items
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 2 | ||||
| -rw-r--r-- | arch/arc/mm/tlb.c | 14 |
2 files changed, 9 insertions, 7 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index dc9e65a8d722..7fac7d85ed6a 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -327,7 +327,7 @@ struct bcr_generic { */ struct cpuinfo_arc_mmu { - unsigned int ver:4, pg_sz_k:8, s_pg_sz_m:8, pad:12; + unsigned int ver:4, pg_sz_k:8, s_pg_sz_m:8, pad:10, sasid:1, pae:1; unsigned int sets:12, ways:4, u_dtlb:8, u_itlb:8; }; diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c index a69f2078a96d..2a30c91f7977 100644 --- a/arch/arc/mm/tlb.c +++ b/arch/arc/mm/tlb.c @@ -723,10 +723,10 @@ void read_decode_mmu_bcr(void) struct bcr_mmu_3 { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int ver:8, ways:4, sets:4, osm:1, reserv:3, pg_sz:4, + unsigned int ver:8, ways:4, sets:4, res:3, sasid:1, pg_sz:4, u_itlb:4, u_dtlb:4; #else - unsigned int u_dtlb:4, u_itlb:4, pg_sz:4, reserv:3, osm:1, sets:4, + unsigned int u_dtlb:4, u_itlb:4, pg_sz:4, sasid:1, res:3, sets:4, ways:4, ver:8; #endif } *mmu3; @@ -747,7 +747,7 @@ void read_decode_mmu_bcr(void) if (mmu->ver <= 2) { mmu2 = (struct bcr_mmu_1_2 *)&tmp; - mmu->pg_sz_k = TO_KB(PAGE_SIZE); + mmu->pg_sz_k = TO_KB(0x2000); mmu->sets = 1 << mmu2->sets; mmu->ways = 1 << mmu2->ways; mmu->u_dtlb = mmu2->u_dtlb; @@ -759,6 +759,7 @@ void read_decode_mmu_bcr(void) mmu->ways = 1 << mmu3->ways; mmu->u_dtlb = mmu3->u_dtlb; mmu->u_itlb = mmu3->u_itlb; + mmu->sasid = mmu3->sasid; } else { mmu4 = (struct bcr_mmu_4 *)&tmp; mmu->pg_sz_k = 1 << (mmu4->sz0 - 1); @@ -767,6 +768,8 @@ void read_decode_mmu_bcr(void) mmu->ways = mmu4->n_ways * 2; mmu->u_dtlb = mmu4->u_dtlb * 4; mmu->u_itlb = mmu4->u_itlb * 4; + mmu->sasid = mmu4->sasid; + mmu->pae = mmu4->pae; } } @@ -782,11 +785,10 @@ char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len) IS_USED_CFG(CONFIG_TRANSPARENT_HUGEPAGE)); n += scnprintf(buf + n, len - n, - "MMU [v%x]\t: %dk PAGE, %sJTLB %d (%dx%d), uDTLB %d, uITLB %d %s\n", + "MMU [v%x]\t: %dK PAGE, %sJTLB %d (%dx%d), uDTLB %d, uITLB %d\n", p_mmu->ver, p_mmu->pg_sz_k, super_pg, p_mmu->sets * p_mmu->ways, p_mmu->sets, p_mmu->ways, - p_mmu->u_dtlb, p_mmu->u_itlb, - IS_ENABLED(CONFIG_ARC_MMU_SASID) ? ",SASID" : ""); + p_mmu->u_dtlb, p_mmu->u_itlb); return buf; } |