diff options
| author | Jack Miller <jack@codezen.org> | 2016-08-09 16:38:08 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-08-11 19:54:22 +1000 |
| commit | abab9520a752ddb6bf0b53cfd25e22ce2b75c8b0 (patch) | |
| tree | 1780494bb328e3f1ebf8a9c543bee187bbe63452 /hw | |
| parent | c28ea2f0b7d6ab1d1ada871690169b21a11aad10 (diff) | |
| download | skiboot-abab9520a752ddb6bf0b53cfd25e22ce2b75c8b0.zip skiboot-abab9520a752ddb6bf0b53cfd25e22ce2b75c8b0.tar.gz skiboot-abab9520a752ddb6bf0b53cfd25e22ce2b75c8b0.tar.bz2 | |
chiptod: Basic P9 support
There's hardly any difference between P8 and P9, except the PIB_MASTER
addressing being expanded to 5 bits with the PIR.
We can now look at the TOD->CAPP sync to use new functionality.
Signed-off-by: Jack Miller <jack@codezen.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/chiptod.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/hw/chiptod.c b/hw/chiptod.c index 58302fe..38a464a 100644 --- a/hw/chiptod.c +++ b/hw/chiptod.c @@ -138,7 +138,8 @@ static enum chiptod_type { chiptod_unknown, chiptod_p7, - chiptod_p8 + chiptod_p8, + chiptod_p9 } chiptod_type; enum chiptod_chip_role { @@ -621,7 +622,10 @@ static bool chiptod_to_tb(void) prerror("XSCOM error reading PIB_MASTER\n"); return false; } - if (chiptod_type == chiptod_p8) { + if (chiptod_type == chiptod_p9) { + tvbits = (this_cpu()->pir >> 2) & 0x1f; + tvbits |= 0x20; + } else if (chiptod_type == chiptod_p8) { tvbits = (this_cpu()->pir >> 3) & 0xf; tvbits |= 0x10; } else { @@ -1597,6 +1601,8 @@ static bool chiptod_probe(void) chiptod_type = chiptod_p7; if (dt_node_is_compatible(np,"ibm,power8-chiptod")) chiptod_type = chiptod_p8; + if (dt_node_is_compatible(np,"ibm,power9-chiptod")) + chiptod_type = chiptod_p9; } if (dt_has_node_property(np, "secondary", NULL)) |