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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/northbridge
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/northbridge')
-rw-r--r--src/northbridge/intel/sandybridge/sandybridge.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 92cb888a41..77f2ead74e 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -175,12 +175,23 @@ enum platform_type {
#define DMIPVCCCTL 0x00c /* 16bit */
#define DMIVC0RCAP 0x010 /* 32bit */
-#define DMIVC0RCTL0 0x014 /* 32bit */
+#define DMIVC0RCTL 0x014 /* 32bit */
#define DMIVC0RSTS 0x01a /* 16bit */
+#define VC0NP 0x2
#define DMIVC1RCAP 0x01c /* 32bit */
#define DMIVC1RCTL 0x020 /* 32bit */
#define DMIVC1RSTS 0x026 /* 16bit */
+#define VC1NP 0x2
+
+#define DMIVCPRCTL 0x02c /* 32bit */
+
+#define DMIVCPRSTS 0x032 /* 16bit */
+#define VCPNP 0x2
+
+#define DMIVCMRCTL 0x0038 /* 32 bit */
+#define DMIVCMRSTS 0x003e /* 16 bit */
+#define VCMNP 0x2
#define DMILE1D 0x050 /* 32bit */
#define DMILE1A 0x058 /* 64bit */
@@ -190,7 +201,7 @@ enum platform_type {
#define DMILCAP 0x084 /* 32bit */
#define DMILCTL 0x088 /* 16bit */
#define DMILSTS 0x08a /* 16bit */
-
+#define TXTRN (1 << 11)
#define DMICTL1 0x0f0 /* 32bit */
#define DMICTL2 0x0fc /* 32bit */