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authorPatrick Rudolph <patrick.rudolph@9elements.com>2019-03-25 17:05:20 +0100
committerPatrick Georgi <pgeorgi@google.com>2019-05-16 20:22:54 +0000
commitbf7435087eee94a6cbd5f50d816fea9168395090 (patch)
tree8cf2ca40d7f0c9474f96bd6b671aa8a07bf46129 /src/southbridge/intel/bd82x6x/pch.h
parent25b35d317eef9ef5d73bbecc502fdac13a478bf6 (diff)
downloadcoreboot-bf7435087eee94a6cbd5f50d816fea9168395090.tar.xz
sb/intel/sandybridge/early_pch: Make DMI init more readable
Add a few comments and use known register values. Based on the "2nd Generation Intel® Core™ Processor Family Mobile" datasheet and the existing serialice trace. Tested on Lenovo T520 (Intel Sandy Bridge). Still boots to GNU/Linux. Change-Id: I404515b77a22324f55581f117d79630be4ba64dd Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/32071 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/intel/bd82x6x/pch.h')
-rw-r--r--src/southbridge/intel/bd82x6x/pch.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 21b603108a..fb8238ad4f 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -310,6 +310,8 @@ early_usb_init (const struct southbridge_usb_port *portmap);
#define IOTR2 0x1e90 /* 64bit */
#define IOTR3 0x1e98 /* 64bit */
+#define VCNEGPND 2
+
#define TCTL 0x3000 /* 8bit */
#define NOINT 0