xref: /rk3399_ARM-atf/plat/rockchip/rk3399/drivers/dram/dram.h (revision 82cb2c1ad9897473743f08437d0a3995bed561b9)
1fe877779SCaesar Wang /*
2fe877779SCaesar Wang  * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
3fe877779SCaesar Wang  *
4*82cb2c1aSdp-arm  * SPDX-License-Identifier: BSD-3-Clause
5fe877779SCaesar Wang  */
6fe877779SCaesar Wang 
7613038bcSCaesar Wang #ifndef __SOC_ROCKCHIP_RK3399_DRAM_H__
8613038bcSCaesar Wang #define __SOC_ROCKCHIP_RK3399_DRAM_H__
91830f790SXing Zheng 
101830f790SXing Zheng #include <dram_regs.h>
11613038bcSCaesar Wang #include <plat_private.h>
12613038bcSCaesar Wang #include <stdint.h>
13fe877779SCaesar Wang 
14613038bcSCaesar Wang enum {
15613038bcSCaesar Wang 	DDR3 = 3,
16613038bcSCaesar Wang 	LPDDR2 = 5,
17613038bcSCaesar Wang 	LPDDR3 = 6,
18613038bcSCaesar Wang 	LPDDR4 = 7,
19613038bcSCaesar Wang 	UNUSED = 0xff
20613038bcSCaesar Wang };
21fe877779SCaesar Wang 
22fe877779SCaesar Wang struct rk3399_ddr_pctl_regs {
23613038bcSCaesar Wang 	uint32_t denali_ctl[CTL_REG_NUM];
24fe877779SCaesar Wang };
25fe877779SCaesar Wang 
26fe877779SCaesar Wang struct rk3399_ddr_publ_regs {
27613038bcSCaesar Wang 	uint32_t denali_phy[PHY_REG_NUM];
28fe877779SCaesar Wang };
29fe877779SCaesar Wang 
30fe877779SCaesar Wang struct rk3399_ddr_pi_regs {
31613038bcSCaesar Wang 	uint32_t denali_pi[PI_REG_NUM];
32fe877779SCaesar Wang };
33fe877779SCaesar Wang union noc_ddrtiminga0 {
34fe877779SCaesar Wang 	uint32_t d32;
35fe877779SCaesar Wang 	struct {
36fe877779SCaesar Wang 		unsigned acttoact : 6;
37fe877779SCaesar Wang 		unsigned reserved0 : 2;
38fe877779SCaesar Wang 		unsigned rdtomiss : 6;
39fe877779SCaesar Wang 		unsigned reserved1 : 2;
40fe877779SCaesar Wang 		unsigned wrtomiss : 6;
41fe877779SCaesar Wang 		unsigned reserved2 : 2;
42fe877779SCaesar Wang 		unsigned readlatency : 8;
43fe877779SCaesar Wang 	} b;
44fe877779SCaesar Wang };
45fe877779SCaesar Wang 
46fe877779SCaesar Wang union noc_ddrtimingb0 {
47fe877779SCaesar Wang 	uint32_t d32;
48fe877779SCaesar Wang 	struct {
49fe877779SCaesar Wang 		unsigned rdtowr : 5;
50fe877779SCaesar Wang 		unsigned reserved0 : 3;
51fe877779SCaesar Wang 		unsigned wrtord : 5;
52fe877779SCaesar Wang 		unsigned reserved1 : 3;
53fe877779SCaesar Wang 		unsigned rrd : 4;
54fe877779SCaesar Wang 		unsigned reserved2 : 4;
55fe877779SCaesar Wang 		unsigned faw : 6;
56fe877779SCaesar Wang 		unsigned reserved3 : 2;
57fe877779SCaesar Wang 	} b;
58fe877779SCaesar Wang };
59fe877779SCaesar Wang 
60fe877779SCaesar Wang union noc_ddrtimingc0 {
61fe877779SCaesar Wang 	uint32_t d32;
62fe877779SCaesar Wang 	struct {
63fe877779SCaesar Wang 		unsigned burstpenalty : 4;
64fe877779SCaesar Wang 		unsigned reserved0 : 4;
65fe877779SCaesar Wang 		unsigned wrtomwr : 6;
66fe877779SCaesar Wang 		unsigned reserved1 : 18;
67fe877779SCaesar Wang 	} b;
68fe877779SCaesar Wang };
69fe877779SCaesar Wang 
70fe877779SCaesar Wang union noc_devtodev0 {
71fe877779SCaesar Wang 	uint32_t d32;
72fe877779SCaesar Wang 	struct {
73fe877779SCaesar Wang 		unsigned busrdtord : 3;
74fe877779SCaesar Wang 		unsigned reserved0 : 1;
75fe877779SCaesar Wang 		unsigned busrdtowr : 3;
76fe877779SCaesar Wang 		unsigned reserved1 : 1;
77fe877779SCaesar Wang 		unsigned buswrtord : 3;
78fe877779SCaesar Wang 		unsigned reserved2 : 1;
79fe877779SCaesar Wang 		unsigned buswrtowr : 3;
80fe877779SCaesar Wang 		unsigned reserved3 : 17;
81fe877779SCaesar Wang 	} b;
82fe877779SCaesar Wang };
83fe877779SCaesar Wang 
84fe877779SCaesar Wang union noc_ddrmode {
85fe877779SCaesar Wang 	uint32_t d32;
86fe877779SCaesar Wang 	struct {
87fe877779SCaesar Wang 		unsigned autoprecharge : 1;
88fe877779SCaesar Wang 		unsigned bypassfiltering : 1;
89fe877779SCaesar Wang 		unsigned fawbank : 1;
90fe877779SCaesar Wang 		unsigned burstsize : 2;
91fe877779SCaesar Wang 		unsigned mwrsize : 2;
92fe877779SCaesar Wang 		unsigned reserved2 : 1;
93fe877779SCaesar Wang 		unsigned forceorder : 8;
94fe877779SCaesar Wang 		unsigned forceorderstate : 8;
95fe877779SCaesar Wang 		unsigned reserved3 : 8;
96fe877779SCaesar Wang 	} b;
97fe877779SCaesar Wang };
98fe877779SCaesar Wang 
99fe877779SCaesar Wang struct rk3399_msch_timings {
100fe877779SCaesar Wang 	union noc_ddrtiminga0 ddrtiminga0;
101fe877779SCaesar Wang 	union noc_ddrtimingb0 ddrtimingb0;
102fe877779SCaesar Wang 	union noc_ddrtimingc0 ddrtimingc0;
103fe877779SCaesar Wang 	union noc_devtodev0 devtodev0;
104fe877779SCaesar Wang 	union noc_ddrmode ddrmode;
105fe877779SCaesar Wang 	uint32_t agingx0;
106fe877779SCaesar Wang };
107613038bcSCaesar Wang 
108fe877779SCaesar Wang struct rk3399_sdram_channel {
109fe877779SCaesar Wang 	unsigned char rank;
110fe877779SCaesar Wang 	/* col = 0, means this channel is invalid */
111fe877779SCaesar Wang 	unsigned char col;
112fe877779SCaesar Wang 	/* 3:8bank, 2:4bank */
113fe877779SCaesar Wang 	unsigned char bk;
114fe877779SCaesar Wang 	/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
115fe877779SCaesar Wang 	unsigned char bw;
116fe877779SCaesar Wang 	/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
117fe877779SCaesar Wang 	unsigned char dbw;
118fe877779SCaesar Wang 	/* row_3_4 = 1: 6Gb or 12Gb die
119fe877779SCaesar Wang 	 * row_3_4 = 0: normal die, power of 2
120fe877779SCaesar Wang 	 */
121fe877779SCaesar Wang 	unsigned char row_3_4;
122fe877779SCaesar Wang 	unsigned char cs0_row;
123fe877779SCaesar Wang 	unsigned char cs1_row;
124fe877779SCaesar Wang 	uint32_t ddrconfig;
125fe877779SCaesar Wang 	struct rk3399_msch_timings noc_timings;
126fe877779SCaesar Wang };
127fe877779SCaesar Wang 
128fe877779SCaesar Wang struct rk3399_sdram_params {
129fe877779SCaesar Wang 	struct rk3399_sdram_channel ch[2];
130fe877779SCaesar Wang 	uint32_t ddr_freq;
131fe877779SCaesar Wang 	unsigned char dramtype;
132fe877779SCaesar Wang 	unsigned char num_channels;
133fe877779SCaesar Wang 	unsigned char stride;
134fe877779SCaesar Wang 	unsigned char odt;
135fe877779SCaesar Wang 	struct rk3399_ddr_pctl_regs pctl_regs;
136fe877779SCaesar Wang 	struct rk3399_ddr_pi_regs pi_regs;
137fe877779SCaesar Wang 	struct rk3399_ddr_publ_regs phy_regs;
138951752ddSDerek Basehore 	uint32_t rx_cal_dqs[2][4];
139fe877779SCaesar Wang };
140fe877779SCaesar Wang 
141613038bcSCaesar Wang extern __sramdata struct rk3399_sdram_params sdram_config;
142fe877779SCaesar Wang 
143613038bcSCaesar Wang void dram_init(void);
144fe877779SCaesar Wang 
145fe877779SCaesar Wang #endif
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