1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h
new file mode 100644
index 000000000000..63b7e7254526
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __UMC_V12_0_H__
+#define __UMC_V12_0_H__
+
+#include "soc15_common.h"
+#include "amdgpu.h"
+
+#define UMC_V12_0_NODE_DIST		0x40000000
+#define UMC_V12_0_INST_DIST		0x40000
+
+/* UMC register per channel offset */
+#define UMC_V12_0_PER_CHANNEL_OFFSET	0x400
+
+/* UMC cross node offset */
+#define UMC_V12_0_CROSS_NODE_OFFSET		0x100000000
+
+/* OdEccErrCnt max value */
+#define UMC_V12_0_CE_CNT_MAX		0xffff
+/* umc ce interrupt threshold */
+#define UMC_V12_0_CE_INT_THRESHOLD	0xffff
+/* umc ce count initial value */
+#define UMC_V12_0_CE_CNT_INIT	(UMC_V12_0_CE_CNT_MAX - UMC_V12_0_CE_INT_THRESHOLD)
+
+/* number of umc channel instance with memory map register access */
+#define UMC_V12_0_CHANNEL_INSTANCE_NUM		8
+/* number of umc instance with memory map register access */
+#define UMC_V12_0_UMC_INSTANCE_NUM		4
+
+/* Total channel instances for all available umc nodes */
+#define UMC_V12_0_TOTAL_CHANNEL_NUM(adev) \
+	(UMC_V12_0_CHANNEL_INSTANCE_NUM * (adev)->gmc.num_umc)
+
+/* one piece of normalized address is mapped to 8 pieces of physical address */
+#define UMC_V12_0_NA_MAP_PA_NUM        8
+/* R13 bit shift should be considered, double the number */
+#define UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL (UMC_V12_0_NA_MAP_PA_NUM * 2)
+
+/* column bits in SOC physical address */
+#define UMC_V12_0_PA_C2_BIT 15
+#define UMC_V12_0_PA_C3_BIT 16
+#define UMC_V12_0_PA_C4_BIT 21
+/* row bits in SOC physical address */
+#define UMC_V12_0_PA_R0_BIT 22
+#define UMC_V12_0_PA_R10_BIT 32
+#define UMC_V12_0_PA_R11_BIT 33
+#define UMC_V12_0_PA_R12_BIT 34
+#define UMC_V12_0_PA_R13_BIT 35
+/* channel bit in SOC physical address */
+#define UMC_V12_0_PA_CH4_BIT 12
+#define UMC_V12_0_PA_CH5_BIT 13
+/* bank bit in SOC physical address */
+#define UMC_V12_0_PA_B0_BIT 19
+#define UMC_V12_0_PA_B1_BIT 20
+/* row bits in MCA address */
+#define UMC_V12_0_MA_R0_BIT 10
+
+#define MCA_UMC_HWID_V12_0     0x96
+#define MCA_UMC_MCATYPE_V12_0  0x0
+
+#define MCA_IPID_LO_2_UMC_CH(_ipid_lo) (((((_ipid_lo) >> 20) & 0x1) * 4) + \
+			(((_ipid_lo) >> 12) & 0xF))
+#define MCA_IPID_LO_2_UMC_INST(_ipid_lo) (((_ipid_lo) >> 21) & 0x7)
+
+#define MCA_IPID_2_DIE_ID(ipid)  ((REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdHi) >> 2) & 0x03)
+
+#define MCA_IPID_2_UMC_CH(ipid) \
+	(MCA_IPID_LO_2_UMC_CH(REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo)))
+
+#define MCA_IPID_2_UMC_INST(ipid) \
+	(MCA_IPID_LO_2_UMC_INST(REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo)))
+
+#define MCA_IPID_2_SOCKET_ID(ipid) \
+	(((REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo) & 0x1) << 2) | \
+	 (REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdHi) & 0x03))
+
+bool umc_v12_0_is_deferred_error(struct amdgpu_device *adev, uint64_t mc_umc_status);
+bool umc_v12_0_is_uncorrectable_error(struct amdgpu_device *adev, uint64_t mc_umc_status);
+bool umc_v12_0_is_correctable_error(struct amdgpu_device *adev, uint64_t mc_umc_status);
+
+typedef bool (*check_error_type_func)(struct amdgpu_device *adev, uint64_t mc_umc_status);
+
+extern struct amdgpu_umc_ras umc_v12_0_ras;
+
+#endif