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git01.mediatek.com / filogic / atf / c518de4f9082190a5e9575d5fa0ad03a23fa25c8 / . / drivers / nxp / ddr / include / ddr.h
blob: 0ef28706fb542e609bb1d9e49d949bc8d5e857ab [file] [log] [blame]
Pankaj Guptac518de42020-12-09 14:02:39 +0530[diff] [blame^]1/*
2 * Copyright 2021 NXP
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8#ifndef DDR_H
9#define DDR_H
10
11#include "ddr_io.h"
12#include "dimm.h"
13#include "immap.h"
14
15#ifndef DDRC_NUM_CS
16#define DDRC_NUM_CS 4
17#endif
18
19/*
20 * This is irrespective of what is the number of DDR controller,
21 * number of DIMM used. This is set to maximum
22 * Max controllers = 2
23 * Max num of DIMM per controlle = 2
24 * MAX NUM CS = 4
25 * Not to be changed.
26 */
27#define MAX_DDRC_NUM 2
28#define MAX_DIMM_NUM 2
29#define MAX_CS_NUM 4
30
31#include "opts.h"
32#include "regs.h"
33#include "utility.h"
34
35#ifdef DDR_DEBUG
36#define debug(...) INFO(__VA_ARGS__)
37#else
38#define debug(...) VERBOSE(__VA_ARGS__)
39#endif
40
41#ifndef DDRC_NUM_DIMM
42#define DDRC_NUM_DIMM 1
43#endif
44
45#define CONFIG_CS_PER_SLOT \
46 (DDRC_NUM_CS / DDRC_NUM_DIMM)
47
48/* Record of register values computed */
49struct ddr_cfg_regs {
50 struct {
51 unsigned int bnds;
52 unsigned int config;
53 unsigned int config_2;
54 } cs[MAX_CS_NUM];
55 unsigned int dec[10];
56 unsigned int timing_cfg[10];
57 unsigned int sdram_cfg[3];
58 unsigned int sdram_mode[16];
59 unsigned int md_cntl;
60 unsigned int interval;
61 unsigned int data_init;
62 unsigned int clk_cntl;
63 unsigned int init_addr;
64 unsigned int init_ext_addr;
65 unsigned int zq_cntl;
66 unsigned int wrlvl_cntl[3];
67 unsigned int ddr_sr_cntr;
68 unsigned int sdram_rcw[6];
69 unsigned int dq_map[4];
70 unsigned int eor;
71 unsigned int cdr[2];
72 unsigned int err_disable;
73 unsigned int err_int_en;
74 unsigned int tx_cfg[4];
75 unsigned int debug[64];
76};
77
78struct ddr_conf {
79 int dimm_in_use[MAX_DIMM_NUM];
80 int cs_in_use; /* bitmask, bit 0 for cs0, bit 1 for cs1, etc. */
81 int cs_on_dimm[MAX_DIMM_NUM]; /* bitmask */
82 unsigned long long cs_base_addr[MAX_CS_NUM];
83 unsigned long long cs_size[MAX_CS_NUM];
84 unsigned long long base_addr;
85 unsigned long long total_mem;
86};
87
88struct ddr_info {
89 unsigned long clk;
90 unsigned long long mem_base;
91 unsigned int num_ctlrs;
92 unsigned int dimm_on_ctlr;
93 struct dimm_params dimm;
94 struct memctl_opt opt;
95 struct ddr_conf conf;
96 struct ddr_cfg_regs ddr_reg;
97 struct ccsr_ddr *ddr[MAX_DDRC_NUM];
98 uint16_t *phy[MAX_DDRC_NUM];
99 int *spd_addr;
100 unsigned int ip_rev;
101 uintptr_t phy_gen2_fw_img_buf;
102 void *img_loadr;
103 int warm_boot_flag;
104};
105
106struct rc_timing {
107 unsigned int speed_bin;
108 unsigned int clk_adj;
109 unsigned int wrlvl;
110};
111
112struct board_timing {
113 unsigned int rc;
114 struct rc_timing const *p;
115 unsigned int add1;
116 unsigned int add2;
117};
118
119enum warm_boot {
120 DDR_COLD_BOOT = 0,
121 DDR_WARM_BOOT = 1,
122 DDR_WRM_BOOT_NT_SUPPORTED = -1,
123};
124
125int disable_unused_ddrc(struct ddr_info *priv, int mask,
126 uintptr_t nxp_ccn_hn_f0_addr);
127int ddr_board_options(struct ddr_info *priv);
128int compute_ddrc(const unsigned long clk,
129 const struct memctl_opt *popts,
130 const struct ddr_conf *conf,
131 struct ddr_cfg_regs *ddr,
132 const struct dimm_params *dimm_params,
133 const unsigned int ip_rev);
134int compute_ddr_phy(struct ddr_info *priv);
135int ddrc_set_regs(const unsigned long clk,
136 const struct ddr_cfg_regs *regs,
137 const struct ccsr_ddr *ddr,
138 int twopass);
139int cal_board_params(struct ddr_info *priv,
140 const struct board_timing *dimm,
141 int len);
142/* return bit mask of used DIMM(s) */
143int ddr_get_ddr_params(struct dimm_params *pdimm, struct ddr_conf *conf);
144long long dram_init(struct ddr_info *priv
145#if defined(NXP_HAS_CCN504) || defined(NXP_HAS_CCN508)
146 , uintptr_t nxp_ccn_hn_f0_addr
147#endif
148 );
149long long board_static_ddr(struct ddr_info *info);
150
151#endif /* DDR_H */