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authorAllen Pais <allen.pais@oracle.com>2014-09-08 11:48:53 +0530
committerDavid S. Miller <davem@davemloft.net>2014-09-09 15:24:10 -0700
commitcadbb58039f7cab1def9c931012ab04c953a6997 (patch)
treed7c4802f418c0f88effde87764bd7d8533ee8998 /arch/sparc/kernel
parent619df5d2870b80696fd32521376560e0a4223e44 (diff)
sparc64: correctly recognise M6 and M7 cpu type
The following patch adds support for correctly recognising M6 and M7 cpu type. Signed-off-by: Allen Pais <allen.pais@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r--arch/sparc/kernel/cpu.c12
-rw-r--r--arch/sparc/kernel/head_64.S12
2 files changed, 24 insertions, 0 deletions
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 82a3a71c451e..dfad8b1aea9f 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -494,6 +494,18 @@ static void __init sun4v_cpu_probe(void)
sparc_pmu_type = "niagara5";
break;
+ case SUN4V_CHIP_SPARC_M6:
+ sparc_cpu_type = "SPARC-M6";
+ sparc_fpu_type = "SPARC-M6 integrated FPU";
+ sparc_pmu_type = "sparc-m6";
+ break;
+
+ case SUN4V_CHIP_SPARC_M7:
+ sparc_cpu_type = "SPARC-M7";
+ sparc_fpu_type = "SPARC-M7 integrated FPU";
+ sparc_pmu_type = "sparc-m7";
+ break;
+
case SUN4V_CHIP_SPARC64X:
sparc_cpu_type = "SPARC64-X";
sparc_fpu_type = "SPARC64-X integrated FPU";
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 452f04fe8da6..4fdeb8040d4d 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -427,6 +427,12 @@ sun4v_chip_type:
cmp %g2, '5'
be,pt %xcc, 5f
mov SUN4V_CHIP_NIAGARA5, %g4
+ cmp %g2, '6'
+ be,pt %xcc, 5f
+ mov SUN4V_CHIP_SPARC_M6, %g4
+ cmp %g2, '7'
+ be,pt %xcc, 5f
+ mov SUN4V_CHIP_SPARC_M7, %g4
ba,pt %xcc, 49f
nop
@@ -585,6 +591,12 @@ niagara_tlb_fixup:
cmp %g1, SUN4V_CHIP_NIAGARA5
be,pt %xcc, niagara4_patch
nop
+ cmp %g1, SUN4V_CHIP_SPARC_M6
+ be,pt %xcc, niagara4_patch
+ nop
+ cmp %g1, SUN4V_CHIP_SPARC_M7
+ be,pt %xcc, niagara4_patch
+ nop
call generic_patch_copyops
nop