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authorKhalid Aziz <khalid.aziz@oracle.com>2016-04-19 11:12:54 -0600
committerDavid S. Miller <davem@davemloft.net>2016-04-21 16:43:47 -0400
commitc5b8b5beee1e2aadef0409dba555b7085d57910d (patch)
tree141dbfd81121c82f06c5a68b75426ae2ab77517b /arch/sparc/kernel/head_64.S
parentsparc: Implement and wire up vio_hotplug for vio. (diff)
downloadlinux-dev-c5b8b5beee1e2aadef0409dba555b7085d57910d.tar.xz
linux-dev-c5b8b5beee1e2aadef0409dba555b7085d57910d.zip
sparc64: recognize and support Sonoma CPU type
Add code to recognize SPARC-Sonoma cpu correctly and update cpu hardware caps and cpu distribution map. SPARC-Sonoma is based upon SPARC-M7 core along with additional PCI functions added on and is reported by firmware as "SPARC-SN". Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com> Acked-by: Allen Pais <allen.pais@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/head_64.S')
-rw-r--r--arch/sparc/kernel/head_64.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index cd1f592cd347..5b4f5c363674 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -414,6 +414,8 @@ sun4v_chip_type:
cmp %g2, 'T'
be,pt %xcc, 70f
cmp %g2, 'M'
+ be,pt %xcc, 70f
+ cmp %g2, 'S'
bne,pn %xcc, 49f
nop
@@ -433,6 +435,9 @@ sun4v_chip_type:
cmp %g2, '7'
be,pt %xcc, 5f
mov SUN4V_CHIP_SPARC_M7, %g4
+ cmp %g2, 'N'
+ be,pt %xcc, 5f
+ mov SUN4V_CHIP_SPARC_SN, %g4
ba,pt %xcc, 49f
nop
@@ -597,6 +602,9 @@ niagara_tlb_fixup:
cmp %g1, SUN4V_CHIP_SPARC_M7
be,pt %xcc, niagara4_patch
nop
+ cmp %g1, SUN4V_CHIP_SPARC_SN
+ be,pt %xcc, niagara4_patch
+ nop
call generic_patch_copyops
nop