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| author | Vladimir Serbinenko <phcoder@gmail.com> | 2014-10-05 11:07:33 +0200 |
|---|---|---|
| committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-10-10 08:55:26 +0200 |
| commit | 7309c64d483abb4bf4ebe12901109320d88124ba (patch) | |
| tree | 5c34d8f79be13b8bd6ccd75c7b188c306401387b /src/southbridge/intel/lynxpoint | |
| parent | 60fccdc3d2ab5a3b0265f1a411d02b8504407e1c (diff) | |
| download | coreboot-7309c64d483abb4bf4ebe12901109320d88124ba.tar.xz | |
bd82x6x, ibexpeak, lynxpoint: Ensure 0-filling of uninited GNVS vars.
Change-Id: I672c3ca9e7f30a21330cf1920a25b1ab38b3f282
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7015
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/southbridge/intel/lynxpoint')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/lpc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c index d1a7203041..451aeabc2e 100644 --- a/src/southbridge/intel/lynxpoint/lpc.c +++ b/src/southbridge/intel/lynxpoint/lpc.c @@ -745,7 +745,14 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device) static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id) { - global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + global_nvs_t *gnvs; + + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (!gnvs) { + gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + if (gnvs) + memset(gnvs, 0, sizeof(*gnvs)); + } if (gnvs) { int scopelen; |