diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2016-04-10 16:02:42 -0500 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2016-04-11 23:25:23 +0200 |
| commit | c13866fd405213fd5ca4fed6a14bed80909df03e (patch) | |
| tree | cacea85d921b0c10a3e5cdbf7d4aee36e5058a82 /src/southbridge/amd/sb700 | |
| parent | d1b6ff80c017e671c1e2229ee0d659e491ab53f5 (diff) | |
sb/amd/sp5100: Apply Sx State Settings per RPR v3.02
Change-Id: Iacf84ac7de4362e523ad9d8aa7309eecd5277480
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14308
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Diffstat (limited to 'src/southbridge/amd/sb700')
| -rw-r--r-- | src/southbridge/amd/sb700/early_setup.c | 64 |
1 files changed, 37 insertions, 27 deletions
diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c index aae845fbf2..755a161509 100644 --- a/src/southbridge/amd/sb700/early_setup.c +++ b/src/southbridge/amd/sb700/early_setup.c @@ -607,40 +607,50 @@ static void sb700_pmio_por_init(void) byte |= 0x20; pmio_write(0x66, byte); - /* RPR2.31 PM_TURN_OFF_MSG during ASF Shutdown. */ - if (get_sb700_revision(pci_locate_device(PCI_ID(0x1002, 0x4385), 0)) <= 0x12) { + if (IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_SUBTYPE_SP5100)) { + /* RPR 2.11 Sx State Settings */ byte = pmio_read(0x65); - byte &= ~(1 << 7); + byte &= ~(1 << 7); /* SpecialFunc = 0 */ pmio_write(0x65, byte); - byte = pmio_read(0x75); - byte &= 0xc0; - byte |= 0x05; - pmio_write(0x75, byte); - - byte = pmio_read(0x52); - byte &= 0xc0; - byte |= 0x08; - pmio_write(0x52, byte); + byte = pmio_read(0x68); + byte |= 1 << 2; /* MaskApicEn = 1 */ + pmio_write(0x68, byte); } else { - byte = pmio_read(0xD7); - byte |= 1 << 0; - pmio_write(0xD7, byte); - - byte = pmio_read(0x65); - byte |= 1 << 7; - pmio_write(0x65, byte); + /* RPR2.31 PM_TURN_OFF_MSG during ASF Shutdown. */ + if (get_sb700_revision(pci_locate_device(PCI_ID(0x1002, 0x4385), 0)) <= 0x12) { + byte = pmio_read(0x65); + byte &= ~(1 << 7); + pmio_write(0x65, byte); + + byte = pmio_read(0x75); + byte &= 0xc0; + byte |= 0x05; + pmio_write(0x75, byte); + + byte = pmio_read(0x52); + byte &= 0xc0; + byte |= 0x08; + pmio_write(0x52, byte); + } else { + byte = pmio_read(0xD7); + byte |= 1 << 0; + pmio_write(0xD7, byte); - byte = pmio_read(0x75); - byte &= 0xc0; - byte |= 0x01; - pmio_write(0x75, byte); + byte = pmio_read(0x65); + byte |= 1 << 7; + pmio_write(0x65, byte); - byte = pmio_read(0x52); - byte &= 0xc0; - byte |= 0x02; - pmio_write(0x52, byte); + byte = pmio_read(0x75); + byte &= 0xc0; + byte |= 0x01; + pmio_write(0x75, byte); + byte = pmio_read(0x52); + byte &= 0xc0; + byte |= 0x02; + pmio_write(0x52, byte); + } } /* Watch Dog Timer Control |