diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-09-03 17:43:52 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2015-11-30 05:21:24 +0100 |
| commit | 16a3a7515a65940698ec0325b6d89d5f7c40ca3c (patch) | |
| tree | b638ffeac40fac2f8c94deb70fd1ed3cf9bdea59 /src/northbridge/amd/amdfam10 | |
| parent | 01b9f8e4c221b3ae8167579ab81bb6c829fb8070 (diff) | |
cpu/amd/family_10h-family_15h: Apply missing Family 15h errata fixes
Change-Id: I132874fe5b5a8b9a87422e2f07bff03bc5863ca4
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/12065
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/northbridge/amd/amdfam10')
| -rw-r--r-- | src/northbridge/amd/amdfam10/misc_control.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/misc_control.c b/src/northbridge/amd/amdfam10/misc_control.c index 0b312b1c95..4c65bca79f 100644 --- a/src/northbridge/amd/amdfam10/misc_control.c +++ b/src/northbridge/amd/amdfam10/misc_control.c @@ -75,6 +75,7 @@ static void mcf3_read_resources(device_t dev) static void set_agp_aperture(device_t dev, uint32_t pci_id) { + uint32_t dword; struct resource *resource; resource = probe_resource(dev, 0x94); @@ -105,6 +106,11 @@ static void set_agp_aperture(device_t dev, uint32_t pci_id) /* Report the resource has been stored... */ report_resource_stored(pdev, resource, " <gart>"); + + /* Errata 540 workaround */ + dword = pci_read_config32(pdev, 0x90); + dword |= 0x1 << 6; /* DisGartTblWlkPrb = 0x1 */ + pci_write_config32(pdev, 0x90, dword); } } } |