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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-03-09 11:45:40 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-03-09 13:36:35 +1100 |
| commit | bc2a9650f089edb98cd62fc5768b88cdda08fa2c (patch) | |
| tree | a3fbf3ae26c043260b3d2dedaf2dbddf530bed4b /asm | |
| parent | 55b280a836af0632e942e21272ab4405bba938b8 (diff) | |
| download | talos-skiboot-bc2a9650f089edb98cd62fc5768b88cdda08fa2c.tar.gz talos-skiboot-bc2a9650f089edb98cd62fc5768b88cdda08fa2c.zip | |
asm: Add POWER9 case to init_shared_sprs
For now, setup the HID and HMEER. We'll add more as we get
good default values from HW.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'asm')
| -rw-r--r-- | asm/head.S | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -670,6 +670,8 @@ init_shared_sprs: beq 3f cmpwi cr0,%r3,PVR_TYPE_P8NVL beq 3f + cmpwi cr0,%r3,PVR_TYPE_P9 + beq 4f /* Unsupported CPU type... what do we do ? */ b 9f @@ -718,6 +720,28 @@ init_shared_sprs: /* RPR (per-LPAR but let's treat it as replicated for now) */ LOAD_IMM64(%r3,0x00000103070F1F3F) mtspr SPR_RPR,%r3 + b 9f + +4: /* P9 */ + /* HID0: Clear bit 5 (enable core recovery) + * Clear bit 4 (HILE) + */ + mfspr %r3,SPR_HID0 + li %r0,1 + sldi %r4,%r0,(63-5) + sldi %r5,%r0,(63-4) + or %r0,%r4,%r5, + andc %r3,%r3,%r0 + sync + mtspr SPR_HID0,%r3 + isync + /* HMEER: Enable HMIs for core recovery and TOD errors. */ + LOAD_IMM64(%r0,SPR_HMEER_HMI_ENABLE_MASK) + mfspr %r3,SPR_HMEER + or %r3,%r3,%r0 + sync + mtspr SPR_HMEER,%r3 + isync 9: blr .global init_replicated_sprs |
