1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) Marvell International Ltd. and its affiliates
4  */
5 
6 #ifndef _MV_DDR_PLAT_H
7 #define _MV_DDR_PLAT_H
8 
9 #include <linux/delay.h>
10 
11 #define MAX_DEVICE_NUM			1
12 #define MAX_INTERFACE_NUM		1
13 #define MAX_BUS_NUM			5
14 #define DDR_IF_CTRL_SUBPHYS_NUM		3
15 
16 #define DFS_LOW_FREQ_VALUE		120
17 #define SDRAM_CS_SIZE			0xfffffff	/* FIXME: implement a function for cs size for each platform */
18 
19 #define INTER_REGS_BASE			SOC_REGS_PHY_BASE
20 #define AP_INT_REG_START_ADDR		0xd0000000
21 #define AP_INT_REG_END_ADDR		0xd0100000
22 
23 /* Controler bus divider 1 for 32 bit, 2 for 64 bit */
24 #define DDR_CONTROLLER_BUS_WIDTH_MULTIPLIER	1
25 
26 /* Tune internal training params values */
27 #define TUNE_TRAINING_PARAMS_CK_DELAY		160
28 #define TUNE_TRAINING_PARAMS_PHYREG3VAL		0xA
29 #define TUNE_TRAINING_PARAMS_PRI_DATA		123
30 #define TUNE_TRAINING_PARAMS_NRI_DATA		123
31 #define TUNE_TRAINING_PARAMS_PRI_CTRL		74
32 #define TUNE_TRAINING_PARAMS_NRI_CTRL		74
33 #define TUNE_TRAINING_PARAMS_P_ODT_DATA		45
34 #define TUNE_TRAINING_PARAMS_N_ODT_DATA		45
35 #define TUNE_TRAINING_PARAMS_P_ODT_CTRL		45
36 #define TUNE_TRAINING_PARAMS_N_ODT_CTRL		45
37 #define TUNE_TRAINING_PARAMS_DIC		0x2
38 #define TUNE_TRAINING_PARAMS_ODT_CONFIG_2CS	0x120012
39 #define TUNE_TRAINING_PARAMS_ODT_CONFIG_1CS	0x10000
40 #define TUNE_TRAINING_PARAMS_RTT_NOM		0x44
41 
42 #define TUNE_TRAINING_PARAMS_RTT_WR_1CS		0x0   /*off*/
43 #define TUNE_TRAINING_PARAMS_RTT_WR_2CS		0x0   /*off*/
44 
45 #define MARVELL_BOARD				MARVELL_BOARD_ID_BASE
46 
47 
48 #define REG_DEVICE_SAR1_ADDR			0xe4204
49 #define RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET	17
50 #define RST2_CPU_DDR_CLOCK_SELECT_IN_MASK	0x1f
51 #define DEVICE_SAMPLE_AT_RESET2_REG		0x18604
52 
53 #define DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_OFFSET	0
54 #define DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_25MHZ	0
55 #define DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_40MHZ	1
56 
57 /* DRAM Windows */
58 #define REG_XBAR_WIN_5_CTRL_ADDR		0x20050
59 #define REG_XBAR_WIN_5_BASE_ADDR		0x20054
60 
61 /* DRAM Windows */
62 #define REG_XBAR_WIN_4_CTRL_ADDR                0x20040
63 #define REG_XBAR_WIN_4_BASE_ADDR                0x20044
64 #define REG_XBAR_WIN_4_REMAP_ADDR               0x20048
65 #define REG_XBAR_WIN_7_REMAP_ADDR               0x20078
66 #define REG_XBAR_WIN_16_CTRL_ADDR               0x200d0
67 #define REG_XBAR_WIN_16_BASE_ADDR               0x200d4
68 #define REG_XBAR_WIN_16_REMAP_ADDR              0x200dc
69 #define REG_XBAR_WIN_19_CTRL_ADDR               0x200e8
70 
71 #define REG_FASTPATH_WIN_BASE_ADDR(win)         (0x20180 + (0x8 * win))
72 #define REG_FASTPATH_WIN_CTRL_ADDR(win)         (0x20184 + (0x8 * win))
73 
74 #define CPU_CONFIGURATION_REG(id)	(0x21800 + (id * 0x100))
75 #define CPU_MRVL_ID_OFFSET		0x10
76 #define SAR1_CPU_CORE_MASK		0x00000018
77 #define SAR1_CPU_CORE_OFFSET		3
78 
79 /* SatR defined too change topology busWidth and ECC configuration */
80 #define DDR_SATR_CONFIG_MASK_WIDTH		0x8
81 #define DDR_SATR_CONFIG_MASK_ECC		0x10
82 #define DDR_SATR_CONFIG_MASK_ECC_PUP		0x20
83 
84 #define	REG_SAMPLE_RESET_HIGH_ADDR		0x18600
85 
86 #define MV_BOARD_REFCLK_25MHZ			25000000
87 #define MV_BOARD_REFCLK				MV_BOARD_REFCLK_25MHZ
88 
89 #define MAX_DQ_NUM				40
90 
91 /* dram line buffer registers */
92 #define DLB_CTRL_REG			0x1700
93 #define DLB_EN_OFFS			0
94 #define DLB_EN_MASK			0x1
95 #define DLB_EN_ENA			1
96 #define DLB_EN_DIS			0
97 #define WR_COALESCE_EN_OFFS		2
98 #define WR_COALESCE_EN_MASK		0x1
99 #define WR_COALESCE_EN_ENA		1
100 #define WR_COALESCE_EN_DIS		0
101 #define AXI_PREFETCH_EN_OFFS		3
102 #define AXI_PREFETCH_EN_MASK		0x1
103 #define AXI_PREFETCH_EN_ENA		1
104 #define AXI_PREFETCH_EN_DIS		0
105 #define MBUS_PREFETCH_EN_OFFS		4
106 #define MBUS_PREFETCH_EN_MASK		0x1
107 #define MBUS_PREFETCH_EN_ENA		1
108 #define MBUS_PREFETCH_EN_DIS		0
109 #define PREFETCH_NXT_LN_SZ_TRIG_OFFS	6
110 #define PREFETCH_NXT_LN_SZ_TRIG_MASK	0x1
111 #define PREFETCH_NXT_LN_SZ_TRIG_ENA	1
112 #define PREFETCH_NXT_LN_SZ_TRIG_DIS	0
113 
114 #define DLB_BUS_OPT_WT_REG		0x1704
115 #define DLB_AGING_REG			0x1708
116 #define DLB_EVICTION_CTRL_REG		0x170c
117 #define DLB_EVICTION_TIMERS_REG		0x1710
118 #define DLB_USER_CMD_REG		0x1714
119 #define DLB_WTS_DIFF_CS_REG		0x1770
120 #define DLB_WTS_DIFF_BG_REG		0x1774
121 #define DLB_WTS_SAME_BG_REG		0x1778
122 #define DLB_WTS_CMDS_REG		0x177c
123 #define DLB_WTS_ATTR_PRIO_REG		0x1780
124 #define DLB_QUEUE_MAP_REG		0x1784
125 #define DLB_SPLIT_REG			0x1788
126 
127 /* ck swap control subphy number */
128 #define CK_SWAP_CTRL_PHY_NUM	2
129 
130 /* Subphy result control per byte registers */
131 #define RESULT_CONTROL_BYTE_PUP_0_REG		0x1830
132 #define RESULT_CONTROL_BYTE_PUP_1_REG		0x1834
133 #define RESULT_CONTROL_BYTE_PUP_2_REG		0x1838
134 #define RESULT_CONTROL_BYTE_PUP_3_REG		0x183c
135 #define RESULT_CONTROL_BYTE_PUP_4_REG		0x18b0
136 
137 /* Subphy result control per bit registers */
138 #define RESULT_CONTROL_PUP_0_BIT_0_REG		0x18b4
139 #define RESULT_CONTROL_PUP_0_BIT_1_REG		0x18b8
140 #define RESULT_CONTROL_PUP_0_BIT_2_REG		0x18bc
141 #define RESULT_CONTROL_PUP_0_BIT_3_REG		0x18c0
142 #define RESULT_CONTROL_PUP_0_BIT_4_REG		0x18c4
143 #define RESULT_CONTROL_PUP_0_BIT_5_REG		0x18c8
144 #define RESULT_CONTROL_PUP_0_BIT_6_REG		0x18cc
145 #define RESULT_CONTROL_PUP_0_BIT_7_REG		0x18f0
146 
147 #define RESULT_CONTROL_PUP_1_BIT_0_REG		0x18f4
148 #define RESULT_CONTROL_PUP_1_BIT_1_REG		0x18f8
149 #define RESULT_CONTROL_PUP_1_BIT_2_REG		0x18fc
150 #define RESULT_CONTROL_PUP_1_BIT_3_REG		0x1930
151 #define RESULT_CONTROL_PUP_1_BIT_4_REG		0x1934
152 #define RESULT_CONTROL_PUP_1_BIT_5_REG		0x1938
153 #define RESULT_CONTROL_PUP_1_BIT_6_REG		0x193c
154 #define RESULT_CONTROL_PUP_1_BIT_7_REG		0x19b0
155 
156 #define RESULT_CONTROL_PUP_2_BIT_0_REG		0x19b4
157 #define RESULT_CONTROL_PUP_2_BIT_1_REG		0x19b8
158 #define RESULT_CONTROL_PUP_2_BIT_2_REG		0x19bc
159 #define RESULT_CONTROL_PUP_2_BIT_3_REG		0x19c0
160 #define RESULT_CONTROL_PUP_2_BIT_4_REG		0x19c4
161 #define RESULT_CONTROL_PUP_2_BIT_5_REG		0x19c8
162 #define RESULT_CONTROL_PUP_2_BIT_6_REG		0x19cc
163 #define RESULT_CONTROL_PUP_2_BIT_7_REG		0x19f0
164 
165 #define RESULT_CONTROL_PUP_3_BIT_0_REG		0x19f4
166 #define RESULT_CONTROL_PUP_3_BIT_1_REG		0x19f8
167 #define RESULT_CONTROL_PUP_3_BIT_2_REG		0x19fc
168 #define RESULT_CONTROL_PUP_3_BIT_3_REG		0x1a30
169 #define RESULT_CONTROL_PUP_3_BIT_4_REG		0x1a34
170 #define RESULT_CONTROL_PUP_3_BIT_5_REG		0x1a38
171 #define RESULT_CONTROL_PUP_3_BIT_6_REG		0x1a3c
172 #define RESULT_CONTROL_PUP_3_BIT_7_REG		0x1ab0
173 
174 #define RESULT_CONTROL_PUP_4_BIT_0_REG		0x1ab4
175 #define RESULT_CONTROL_PUP_4_BIT_1_REG		0x1ab8
176 #define RESULT_CONTROL_PUP_4_BIT_2_REG		0x1abc
177 #define RESULT_CONTROL_PUP_4_BIT_3_REG		0x1ac0
178 #define RESULT_CONTROL_PUP_4_BIT_4_REG		0x1ac4
179 #define RESULT_CONTROL_PUP_4_BIT_5_REG		0x1ac8
180 #define RESULT_CONTROL_PUP_4_BIT_6_REG		0x1acc
181 #define RESULT_CONTROL_PUP_4_BIT_7_REG		0x1af0
182 
183 /* CPU */
184 #define REG_BOOTROM_ROUTINE_ADDR		0x182d0
185 #define REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS	12
186 
187 /* Matrix enables DRAM modes (bus width/ECC) per boardId */
188 #define TOPOLOGY_UPDATE_32BIT			0
189 #define TOPOLOGY_UPDATE_32BIT_ECC		1
190 #define TOPOLOGY_UPDATE_16BIT			2
191 #define TOPOLOGY_UPDATE_16BIT_ECC		3
192 #define TOPOLOGY_UPDATE_16BIT_ECC_PUP3		4
193 #define TOPOLOGY_UPDATE { \
194 		/* 32Bit, 32bit ECC, 16bit, 16bit ECC PUP4, 16bit ECC PUP3 */ \
195 		{1, 1, 1, 1, 1},	/* RD_NAS_68XX_ID */ \
196 		{1, 1, 1, 1, 1},	/* DB_68XX_ID	  */ \
197 		{1, 0, 1, 0, 1},	/* RD_AP_68XX_ID  */ \
198 		{1, 0, 1, 0, 1},	/* DB_AP_68XX_ID  */ \
199 		{1, 0, 1, 0, 1},	/* DB_GP_68XX_ID  */ \
200 		{0, 0, 1, 1, 0},	/* DB_BP_6821_ID  */ \
201 		{1, 1, 1, 1, 1}		/* DB_AMC_6820_ID */ \
202 	};
203 
204 enum {
205 	CPU_1066MHZ_DDR_400MHZ,
206 	CPU_RESERVED_DDR_RESERVED0,
207 	CPU_667MHZ_DDR_667MHZ,
208 	CPU_800MHZ_DDR_800MHZ,
209 	CPU_RESERVED_DDR_RESERVED1,
210 	CPU_RESERVED_DDR_RESERVED2,
211 	CPU_RESERVED_DDR_RESERVED3,
212 	LAST_FREQ
213 };
214 
215 /* struct used for DLB configuration array */
216 struct dlb_config {
217 	u32 reg_addr;
218 	u32 reg_data;
219 };
220 
221 #define ACTIVE_INTERFACE_MASK			0x1
222 
223 extern u32 dmin_phy_reg_table[][2];
224 extern u16 odt_slope[];
225 extern u16 odt_intercept[];
226 
227 int mv_ddr_pre_training_soc_config(const char *ddr_type);
228 int mv_ddr_post_training_soc_config(const char *ddr_type);
229 void mv_ddr_mem_scrubbing(void);
230 u32 mv_ddr_init_freq_get(void);
231 void mv_ddr_odpg_enable(void);
232 void mv_ddr_odpg_disable(void);
233 void mv_ddr_odpg_done_clr(void);
234 int mv_ddr_is_odpg_done(u32 count);
235 void mv_ddr_training_enable(void);
236 int mv_ddr_is_training_done(u32 count, u32 *result);
237 u32 mv_ddr_dm_pad_get(void);
238 int mv_ddr_pre_training_fixup(void);
239 int mv_ddr_post_training_fixup(void);
240 int mv_ddr_manual_cal_do(void);
241 int ddr3_calc_mem_cs_size(u32 cs, uint64_t *cs_size);
242 
243 #endif /* _MV_DDR_PLAT_H */
244