xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/umc_v8_7.h (revision 842ed298)
1 /*
2  * Copyright 2020 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_V8_7_H__
24 #define __UMC_V8_7_H__
25 
26 #include "soc15_common.h"
27 #include "amdgpu.h"
28 
29 /* HBM  Memory Channel Width */
30 #define UMC_V8_7_HBM_MEMORY_CHANNEL_WIDTH	128
31 /* number of umc channel instance with memory map register access */
32 #define UMC_V8_7_CHANNEL_INSTANCE_NUM		2
33 /* number of umc instance with memory map register access */
34 #define UMC_V8_7_UMC_INSTANCE_NUM		8
35 /* total channel instances in one umc block */
36 #define UMC_V8_7_TOTAL_CHANNEL_NUM	(UMC_V8_7_CHANNEL_INSTANCE_NUM * UMC_V8_7_UMC_INSTANCE_NUM)
37 /* UMC regiser per channel offset */
38 #define UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA	0x400
39 
40 /* EccErrCnt max value */
41 #define UMC_V8_7_CE_CNT_MAX		0xffff
42 /* umc ce interrupt threshold */
43 #define UMC_V8_7_CE_INT_THRESHOLD	0xffff
44 /* umc ce count initial value */
45 #define UMC_V8_7_CE_CNT_INIT	(UMC_V8_7_CE_CNT_MAX - UMC_V8_7_CE_INT_THRESHOLD)
46 
47 extern const struct amdgpu_umc_funcs umc_v8_7_funcs;
48 extern const uint32_t
49 	umc_v8_7_channel_idx_tbl[UMC_V8_7_UMC_INSTANCE_NUM][UMC_V8_7_CHANNEL_INSTANCE_NUM];
50 
51 #endif
52