xref: /linux/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
1 /*
2  * Copyright 2023 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #ifndef __UMC_V12_0_H__
24 #define __UMC_V12_0_H__
25 
26 #include "soc15_common.h"
27 #include "amdgpu.h"
28 
29 #define UMC_V12_0_NODE_DIST		0x40000000
30 #define UMC_V12_0_INST_DIST		0x40000
31 
32 /* UMC register per channel offset */
33 #define UMC_V12_0_PER_CHANNEL_OFFSET	0x400
34 
35 /* UMC cross node offset */
36 #define UMC_V12_0_CROSS_NODE_OFFSET		0x100000000
37 
38 /* OdEccErrCnt max value */
39 #define UMC_V12_0_CE_CNT_MAX		0xffff
40 /* umc ce interrupt threshold */
41 #define UMC_V12_0_CE_INT_THRESHOLD	0xffff
42 /* umc ce count initial value */
43 #define UMC_V12_0_CE_CNT_INIT	(UMC_V12_0_CE_CNT_MAX - UMC_V12_0_CE_INT_THRESHOLD)
44 
45 /* number of umc channel instance with memory map register access */
46 #define UMC_V12_0_CHANNEL_INSTANCE_NUM		8
47 /* number of umc instance with memory map register access */
48 #define UMC_V12_0_UMC_INSTANCE_NUM		4
49 
50 /* Total channel instances for all available umc nodes */
51 #define UMC_V12_0_TOTAL_CHANNEL_NUM(adev) \
52 	(UMC_V12_0_CHANNEL_INSTANCE_NUM * (adev)->gmc.num_umc)
53 
54 /* one piece of normalized address is mapped to 8 pieces of physical address */
55 #define UMC_V12_0_NA_MAP_PA_NUM        8
56 /* R13 bit shift should be considered, double the number */
57 #define UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL (UMC_V12_0_NA_MAP_PA_NUM * 2)
58 
59 /* column bits in SOC physical address */
60 #define UMC_V12_0_PA_C2_BIT 15
61 #define UMC_V12_0_PA_C4_BIT 21
62 /* row bits in SOC physical address */
63 #define UMC_V12_0_PA_R13_BIT 35
64 
65 #define MCA_UMC_HWID_V12_0     0x96
66 #define MCA_UMC_MCATYPE_V12_0  0x0
67 
68 #define MCA_IPID_LO_2_UMC_CH(_ipid_lo) (((((_ipid_lo) >> 20) & 0x1) * 4) + \
69 			(((_ipid_lo) >> 12) & 0xF))
70 #define MCA_IPID_LO_2_UMC_INST(_ipid_lo) (((_ipid_lo) >> 21) & 0x7)
71 
72 #define MCA_IPID_2_DIE_ID(ipid)  ((REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdHi) >> 2) & 0x03)
73 
74 #define MCA_IPID_2_UMC_CH(ipid) \
75 	(MCA_IPID_LO_2_UMC_CH(REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo)))
76 
77 #define MCA_IPID_2_UMC_INST(ipid) \
78 	(MCA_IPID_LO_2_UMC_INST(REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo)))
79 
80 #define MCA_IPID_2_SOCKET_ID(ipid) \
81 	(((REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo) & 0x1) << 2) | \
82 	 (REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdHi) & 0x03))
83 
84 #define UMC_V12_ADDR_MASK_BAD_COLS(addr) \
85 	((addr) & ~((0x3ULL << UMC_V12_0_PA_C2_BIT) | \
86 			(0x1ULL << UMC_V12_0_PA_C4_BIT) | \
87 			(0x1ULL << UMC_V12_0_PA_R13_BIT)))
88 
89 bool umc_v12_0_is_deferred_error(struct amdgpu_device *adev, uint64_t mc_umc_status);
90 bool umc_v12_0_is_uncorrectable_error(struct amdgpu_device *adev, uint64_t mc_umc_status);
91 bool umc_v12_0_is_correctable_error(struct amdgpu_device *adev, uint64_t mc_umc_status);
92 
93 typedef bool (*check_error_type_func)(struct amdgpu_device *adev, uint64_t mc_umc_status);
94 
95 extern struct amdgpu_umc_ras umc_v12_0_ras;
96 
97 #endif
98