summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
authorTony Breeds <tony@bakeyournoodle.com>2011-11-30 21:39:23 +0000
committerJosh Boyer <jwboyer@gmail.com>2011-12-09 07:51:02 -0500
commitdf777bd39a266637d1765d48043493489418e75b (patch)
treeedd0b29da39bb9bd4266bd026cd4510041cb03b5 /arch/powerpc/kernel
parent075bcf5879225d0c2a119c23d8046b890e051e81 (diff)
downloadblackbird-op-linux-df777bd39a266637d1765d48043493489418e75b.tar.gz
blackbird-op-linux-df777bd39a266637d1765d48043493489418e75b.zip
powerpc/476fpe: Add 476fpe SoC code
Based on original work by David 'Shaggy' Kleikamp. Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Josh Boyer <jwboyer@gmail.com>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/cputable.c14
-rw-r--r--arch/powerpc/kernel/head_44x.S2
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index ce59693835c7..81db9e2a8a20 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1843,6 +1843,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_47x,
.platform = "ppc470",
},
+ { /* 476fpe */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x7ff50000,
+ .cpu_name = "476fpe",
+ .cpu_features = CPU_FTRS_47X | CPU_FTR_476_DD2,
+ .cpu_user_features = COMMON_USER_BOOKE |
+ PPC_FEATURE_HAS_FPU,
+ .mmu_features = MMU_FTR_TYPE_47x |
+ MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL,
+ .icache_bsize = 32,
+ .dcache_bsize = 128,
+ .machine_check = machine_check_47x,
+ .platform = "ppc470",
+ },
{ /* 476 iss */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00050000,
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index b725dab0f88a..bb7a9c7a4c05 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -732,6 +732,8 @@ _GLOBAL(init_cpu_state)
/* We use the PVR to differenciate 44x cores from 476 */
mfspr r3,SPRN_PVR
srwi r3,r3,16
+ cmplwi cr0,r3,PVR_476FPE@h
+ beq head_start_47x
cmplwi cr0,r3,PVR_476@h
beq head_start_47x
cmplwi cr0,r3,PVR_476_ISS@h
OpenPOWER on IntegriCloud