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authorRaul E Rangel <rrangel@chromium.org>2021-03-31 13:15:07 -0600
committerMartin Roth <martinroth@google.com>2021-04-05 19:25:26 +0000
commit92e66cc4e30f25e580ca25fa1c9a596ff53d83a2 (patch)
treee0a2e86584eea22c072abe3c4d47c8a732001d0a /src/soc
parent7a347afa955e6ab3931a7a0db8fee5bb3c04b9d3 (diff)
soc/amd/cezanne: Add soc/msr.h
This is a copy of picasso. BUG=b:184151560 TEST=Compared with the cezanne PPR. Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: Ia4bc40daa971c126c2596837155312d411b91a06 Reviewed-on: https://review.coreboot.org/c/coreboot/+/51983 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/amd/cezanne/include/soc/msr.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/include/soc/msr.h b/src/soc/amd/cezanne/include/soc/msr.h
new file mode 100644
index 0000000000..cc1f77e35b
--- /dev/null
+++ b/src/soc/amd/cezanne/include/soc/msr.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef AMD_CEZANNE_MSR_H
+#define AMD_CEZANNE_MSR_H
+
+/* MSRC001_00[6B:64] P-state [7:0] bit definitions */
+#define PSTATE_DEF_HI_ENABLE_SHIFT 31
+#define PSTATE_DEF_HI_ENABLE_MASK (0x1 << PSTATE_DEF_HI_ENABLE_SHIFT)
+#define PSTATE_DEF_LO_CUR_DIV_SHIFT 30
+#define PSTATE_DEF_LO_CUR_DIV_MASK (0x3 << PSTATE_DEF_LO_CUR_DIV_SHIFT)
+#define PSTATE_DEF_LO_CUR_VAL_SHIFT 22
+#define PSTATE_DEF_LO_CUR_VAL_MASK (0xFF << PSTATE_DEF_LO_CUR_VAL_SHIFT)
+#define PSTATE_DEF_LO_CORE_VID_SHIFT 14
+#define PSTATE_DEF_LO_CORE_VID_MASK (0xFF << PSTATE_DEF_LO_CORE_VID_SHIFT)
+#define PSTATE_DEF_LO_FREQ_DIV_SHIFT 8
+#define PSTATE_DEF_LO_FREQ_DIV_MASK (0x3F << PSTATE_DEF_LO_FREQ_DIV_SHIFT)
+#define PSTATE_DEF_LO_FREQ_DIV_MIN 0x8
+#define PSTATE_DEF_LO_EIGHTH_STEP_MAX 0x1A
+#define PSTATE_DEF_LO_FREQ_DIV_MAX 0x3E
+#define PSTATE_DEF_LO_FREQ_MUL_SHIFT 0
+#define PSTATE_DEF_LO_FREQ_MUL_MASK (0xFF << PSTATE_DEF_LO_FREQ_MUL_SHIFT)
+#define PSTATE_DEF_LO_CORE_FREQ_BASE 25
+
+#endif /* AMD_CEZANNE_MSR_H */