1 files changed, 127 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..4885b9fff272
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h
@@ -0,0 +1,127 @@
+/*
+ * 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)
+/* bank bits in MCA error address */
+#define UMC_V12_0_MCA_B0_BIT 6
+#define UMC_V12_0_MCA_B1_BIT 7
+#define UMC_V12_0_MCA_B2_BIT 8
+#define UMC_V12_0_MCA_B3_BIT 9
+/* column bits in SOC physical address */
+#define UMC_V12_0_PA_C2_BIT 15
+#define UMC_V12_0_PA_C4_BIT 21
+/* row bits in SOC physical address */
+#define UMC_V12_0_PA_R13_BIT 35
+/* channel index bits in SOC physical address */
+#define UMC_V12_0_PA_CH4_BIT 12
+#define UMC_V12_0_PA_CH5_BIT 13
+#define UMC_V12_0_PA_CH6_BIT 14
+
+/* bank hash settings */
+#define UMC_V12_0_XOR_EN0 1
+#define UMC_V12_0_XOR_EN1 1
+#define UMC_V12_0_XOR_EN2 1
+#define UMC_V12_0_XOR_EN3 1
+#define UMC_V12_0_COL_XOR0 0x0
+#define UMC_V12_0_COL_XOR1 0x0
+#define UMC_V12_0_COL_XOR2 0x800
+#define UMC_V12_0_COL_XOR3 0x1000
+#define UMC_V12_0_ROW_XOR0 0x11111
+#define UMC_V12_0_ROW_XOR1 0x22222
+#define UMC_V12_0_ROW_XOR2 0x4444
+#define UMC_V12_0_ROW_XOR3 0x8888
+
+/* channel hash settings */
+#define UMC_V12_0_HASH_4K 0
+#define UMC_V12_0_HASH_64K 1
+#define UMC_V12_0_HASH_2M 1
+#define UMC_V12_0_HASH_1G 1
+#define UMC_V12_0_HASH_1T 1
+
+/* XOR some bits of PA into CH4~CH6 bits (bits 12~14 of PA),
+ * hash bit is only effective when related setting is enabled
+ */
+#define UMC_V12_0_CHANNEL_HASH_CH4(channel_idx, pa) ((((channel_idx) >> 5) & 0x1) ^ \
+				(((pa)  >> 20) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
+				(((pa)  >> 27) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
+				(((pa)  >> 34) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
+				(((pa)  >> 41) & 0x1ULL & UMC_V12_0_HASH_1T))
+#define UMC_V12_0_CHANNEL_HASH_CH5(channel_idx, pa) ((((channel_idx) >> 6) & 0x1) ^ \
+				(((pa)  >> 21) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
+				(((pa)  >> 28) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
+				(((pa)  >> 35) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
+				(((pa)  >> 42) & 0x1ULL & UMC_V12_0_HASH_1T))
+#define UMC_V12_0_CHANNEL_HASH_CH6(channel_idx, pa) ((((channel_idx) >> 4) & 0x1) ^ \
+				(((pa)  >> 19) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
+				(((pa)  >> 26) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
+				(((pa)  >> 33) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
+				(((pa)  >> 40) & 0x1ULL & UMC_V12_0_HASH_1T) ^ \
+				(((pa)  >> 47) & 0x1ULL & UMC_V12_0_HASH_4K))
+#define UMC_V12_0_SET_CHANNEL_HASH(channel_idx, pa) do { \
+		(pa) &= ~(0x7ULL << UMC_V12_0_PA_CH4_BIT); \
+		(pa) |= (UMC_V12_0_CHANNEL_HASH_CH4(channel_idx, pa) << UMC_V12_0_PA_CH4_BIT); \
+		(pa) |= (UMC_V12_0_CHANNEL_HASH_CH5(channel_idx, pa) << UMC_V12_0_PA_CH5_BIT); \
+		(pa) |= (UMC_V12_0_CHANNEL_HASH_CH6(channel_idx, pa) << UMC_V12_0_PA_CH6_BIT); \
+	} while (0)
+
+extern const uint32_t
+	umc_v12_0_channel_idx_tbl[]
+			[UMC_V12_0_UMC_INSTANCE_NUM]
+			[UMC_V12_0_CHANNEL_INSTANCE_NUM];
+
+extern struct amdgpu_umc_ras umc_v12_0_ras;
+
+#endif