xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-rockchip/sdram_rk3568.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2021 Rockchip Electronics Co., Ltd.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef _ASM_ARCH_SDRAM_RK3568_H
7*4882a593Smuzhiyun #define _ASM_ARCH_SDRAM_RK3568_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <asm/arch-rockchip/sdram.h>
10*4882a593Smuzhiyun #include <asm/arch-rockchip/sdram_common.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun /* store result of read and write training, for ddr_dq_eye tool in u-boot */
13*4882a593Smuzhiyun #define RW_TRN_RESULT_ADDR	(0x2000000 + 0x8000)	/* 32M + 32k */
14*4882a593Smuzhiyun #define PRINT_STEP		2
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #undef FSP_NUM
17*4882a593Smuzhiyun #undef CS_NUM
18*4882a593Smuzhiyun #undef BYTE_NUM
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define FSP_NUM			4
21*4882a593Smuzhiyun #define CS_NUM			4
22*4882a593Smuzhiyun #define BYTE_NUM		5
23*4882a593Smuzhiyun #define RD_DESKEW_NUM		128
24*4882a593Smuzhiyun #define WR_DESKEW_NUM		256
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #define LP4_WIDTH_REF_MHZ_H	1560
27*4882a593Smuzhiyun #define LP4_RD_WIDTH_REF_H	25
28*4882a593Smuzhiyun #define LP4_WR_WIDTH_REF_H	24
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #define LP4_WIDTH_REF_MHZ_L	1184
31*4882a593Smuzhiyun #define LP4_RD_WIDTH_REF_L	30
32*4882a593Smuzhiyun #define LP4_WR_WIDTH_REF_L	29
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #define DDR4_WIDTH_REF_MHZ_H	1560
35*4882a593Smuzhiyun #define DDR4_RD_WIDTH_REF_H	30
36*4882a593Smuzhiyun #define DDR4_WR_WIDTH_REF_H	22
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #define DDR4_WIDTH_REF_MHZ_L	1184
39*4882a593Smuzhiyun #define DDR4_RD_WIDTH_REF_L	32
40*4882a593Smuzhiyun #define DDR4_WR_WIDTH_REF_L	26
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #define LP3_WIDTH_REF_MHZ_H	1184
43*4882a593Smuzhiyun #define LP3_RD_WIDTH_REF_H	34
44*4882a593Smuzhiyun #define LP3_WR_WIDTH_REF_H	25
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun #define LP3_WIDTH_REF_MHZ_L	920
47*4882a593Smuzhiyun #define LP3_RD_WIDTH_REF_L	39
48*4882a593Smuzhiyun #define LP3_WR_WIDTH_REF_L	28
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #define DDR3_WIDTH_REF_MHZ_H	1184
51*4882a593Smuzhiyun #define DDR3_RD_WIDTH_REF_H	32
52*4882a593Smuzhiyun #define DDR3_WR_WIDTH_REF_H	31
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #define DDR3_WIDTH_REF_MHZ_L	920
55*4882a593Smuzhiyun #define DDR3_RD_WIDTH_REF_L	39
56*4882a593Smuzhiyun #define DDR3_WR_WIDTH_REF_L	34
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun #endif /* _ASM_ARCH_SDRAM_RK3568_H */
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