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authorFelix Held <felix-coreboot@felixheld.de>2021-04-22 23:01:48 +0200
committerFelix Held <felix-coreboot@felixheld.de>2021-04-23 22:05:24 +0000
commit46dc1fbd48a4bf18998251428909dc3c2c867d12 (patch)
tree341ab0262e350f69ed374c017821370a0315d0dd /src
parent7222f7e93043d51ef5487d5d807f20077116cc2d (diff)
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soc/amd/common/block/include/amdblocks: add msr_zen.h
Add defines for the Machine Check Architecture Extensions (MCAX) MSRs and the new MCA_CTL_MASK MSRs. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: Id78483e7df00c3e99c698c0344f38be68d1dfb72 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52615 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/soc/amd/common/block/include/amdblocks/msr_zen.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/msr_zen.h b/src/soc/amd/common/block/include/amdblocks/msr_zen.h
new file mode 100644
index 000000000000..0e2d2c8fec8d
--- /dev/null
+++ b/src/soc/amd/common/block/include/amdblocks/msr_zen.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef AMD_BLOCK_MSR_ZEN_H
+#define AMD_BLOCK_MSR_ZEN_H
+
+/*
+ * The MCAX CTL/STATUS/ADDR/MISC0 registers are aliases for the legacy MCA registers starting
+ * at 0x00000400 which can still be used instead of the MCAX ones. Each MCAX bank has 16
+ * registers while the legacy MCA banks only had 4 registers each.
+ */
+#define MCAX_MSR_BASE 0xc0002000
+#define MCAX_BANK_SIZE 0x10
+#define MCAX_CTL_OFFSET 0x0
+#define MCAX_STATUS_OFFSET 0x1
+#define MCAX_ADDR_OFFSET 0x2
+#define MCAX_MISC0_OFFSET 0x3
+#define MCAX_CONFIG_OFFSET 0x4
+#define MCAX_IPID_OFFSET 0x5
+#define MCAX_SYND_OFFSET 0x6
+#define MCAX_RESERVED_OFFSET 0x7
+#define MCAX_DESTAT_OFFSET 0x8
+#define MCAX_DEADDR_OFFSET 0x9
+#define MCAX_MISC1_OFFSET 0xa
+#define MCAX_MISC2_OFFSET 0xb
+#define MCAX_MISC3_OFFSET 0xc
+#define MCAX_MISC4_OFFSET 0xd
+#define MCAX_MSR(bank, offset) (MCAX_MSR_BASE + (bank) * MCAX_BANK_SIZE + (offset))
+#define MCAX_CTL_MSR(bank) MCAX_MSR(bank, MCAX_CTL_OFFSET)
+#define MCAX_STATUS_MSR(bank) MCAX_MSR(bank, MCAX_STATUS_OFFSET)
+#define MCAX_ADDR_MSR(bank) MCAX_MSR(bank, MCAX_ADDR_OFFSET)
+#define MCAX_MISC0_MSR(bank) MCAX_MSR(bank, MCAX_MISC0_OFFSET)
+#define MCAX_CONFIG_MSR(bank) MCAX_MSR(bank, MCAX_CONFIG_OFFSET)
+#define MCAX_IPID_MSR(bank) MCAX_MSR(bank, MCAX_IPID_OFFSET)
+#define MCAX_SYND_MSR(bank) MCAX_MSR(bank, MCAX_SYND_OFFSET)
+#define MCAX_DESTAT_MSR(bank) MCAX_MSR(bank, MCAX_DESTAT_OFFSET)
+#define MCAX_DEADDR_MSR(bank) MCAX_MSR(bank, MCAX_DEADDR_OFFSET)
+#define MCAX_MISC1_MSR(bank) MCAX_MSR(bank, MCAX_MISC1_OFFSET)
+#define MCAX_MISC2_MSR(bank) MCAX_MSR(bank, MCAX_MISC2_OFFSET)
+#define MCAX_MISC3_MSR(bank) MCAX_MSR(bank, MCAX_MISC3_OFFSET)
+#define MCAX_MISC4_MSR(bank) MCAX_MSR(bank, MCAX_MISC4_OFFSET)
+
+/*
+ * The MCA CTL_MASK moved to a new location in the fam 17h+ CPUs and accessing the legacy
+ * CTL_MASK MSR starting at 0xc0010044 on fam17h+ CPUs will cause a general protection fault.
+ */
+#define MCA_CTL_MASK_MSR_0 0xc0010400
+#define MCA_CTL_MASK_MSR(bank) (MCA_CTL_MASK_MSR_0 + (bank))
+
+#endif /* AMD_BLOCK_MSR_ZEN_H */