1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) Marvell International Ltd. and its affiliates
4  */
5 
6 #ifndef _DDR_ML_WRAPPER_H
7 #define _DDR_ML_WRAPPER_H
8 
9 #include <common.h>
10 #include <i2c.h>
11 #include <spl.h>
12 #include <asm/io.h>
13 #include <asm/arch/cpu.h>
14 #include <asm/arch/soc.h>
15 
16 #define INTER_REGS_BASE	SOC_REGS_PHY_BASE
17 
18 /*
19  * MV_DEBUG_INIT need to be defines, otherwise the output of the
20  * DDR2 training code is not complete and misleading
21  */
22 #define MV_DEBUG_INIT
23 
24 #ifdef MV_DEBUG_INIT
25 #define DEBUG_INIT_S(s)			puts(s)
26 #define DEBUG_INIT_D(d, l)		printf("%x", d)
27 #define DEBUG_INIT_D_10(d, l)		printf("%d", d)
28 #else
29 #define DEBUG_INIT_S(s)
30 #define DEBUG_INIT_D(d, l)
31 #define DEBUG_INIT_D_10(d, l)
32 #endif
33 
34 #ifdef MV_DEBUG_INIT_FULL
35 #define DEBUG_INIT_FULL_S(s)		puts(s)
36 #define DEBUG_INIT_FULL_D(d, l)		printf("%x", d)
37 #define DEBUG_INIT_FULL_D_10(d, l)	printf("%d", d)
38 #define DEBUG_WR_REG(reg, val) \
39 	{ DEBUG_INIT_S("Write Reg: 0x"); DEBUG_INIT_D((reg), 8); \
40 	  DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); }
41 #define DEBUG_RD_REG(reg, val) \
42 	{ DEBUG_INIT_S("Read  Reg: 0x"); DEBUG_INIT_D((reg), 8); \
43 	  DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); }
44 #else
45 #define DEBUG_INIT_FULL_S(s)
46 #define DEBUG_INIT_FULL_D(d, l)
47 #define DEBUG_INIT_FULL_D_10(d, l)
48 #define DEBUG_WR_REG(reg, val)
49 #define DEBUG_RD_REG(reg, val)
50 #endif
51 
52 #define DEBUG_INIT_FULL_C(s, d, l)			\
53 	{ DEBUG_INIT_FULL_S(s);				\
54 	  DEBUG_INIT_FULL_D(d, l);			\
55 	  DEBUG_INIT_FULL_S("\n"); }
56 #define DEBUG_INIT_C(s, d, l) \
57 	{ DEBUG_INIT_S(s); DEBUG_INIT_D(d, l); DEBUG_INIT_S("\n"); }
58 
59 /*
60  * Debug (Enable/Disable modules) and Error report
61  */
62 
63 #ifdef BASIC_DEBUG
64 #define MV_DEBUG_WL
65 #define MV_DEBUG_RL
66 #define MV_DEBUG_DQS_RESULTS
67 #endif
68 
69 #ifdef FULL_DEBUG
70 #define MV_DEBUG_WL
71 #define MV_DEBUG_RL
72 #define MV_DEBUG_DQS
73 
74 #define MV_DEBUG_PBS
75 #define MV_DEBUG_DFS
76 #define MV_DEBUG_MAIN_FULL
77 #define MV_DEBUG_DFS_FULL
78 #define MV_DEBUG_DQS_FULL
79 #define MV_DEBUG_RL_FULL
80 #define MV_DEBUG_WL_FULL
81 #endif
82 
83 
84 /* The following is a list of Marvell status */
85 #define MV_ERROR	(-1)
86 #define MV_OK		(0x00)	/* Operation succeeded                   */
87 #define MV_FAIL		(0x01)	/* Operation failed                      */
88 #define MV_BAD_VALUE	(0x02)	/* Illegal value (general)               */
89 #define MV_OUT_OF_RANGE	(0x03)	/* The value is out of range             */
90 #define MV_BAD_PARAM	(0x04)	/* Illegal parameter in function called  */
91 #define MV_BAD_PTR	(0x05)	/* Illegal pointer value                 */
92 #define MV_BAD_SIZE	(0x06)	/* Illegal size                          */
93 #define MV_BAD_STATE	(0x07)	/* Illegal state of state machine        */
94 #define MV_SET_ERROR	(0x08)	/* Set operation failed                  */
95 #define MV_GET_ERROR	(0x09)	/* Get operation failed                  */
96 #define MV_CREATE_ERROR	(0x0a)	/* Fail while creating an item           */
97 #define MV_NOT_FOUND	(0x0b)	/* Item not found                        */
98 #define MV_NO_MORE	(0x0c)	/* No more items found                   */
99 #define MV_NO_SUCH	(0x0d)	/* No such item                          */
100 #define MV_TIMEOUT	(0x0e)	/* Time Out                              */
101 #define MV_NO_CHANGE	(0x0f)	/* Parameter(s) is already in this value */
102 #define MV_NOT_SUPPORTED (0x10)	/* This request is not support           */
103 #define MV_NOT_IMPLEMENTED (0x11) /* Request supported but not implemented*/
104 #define MV_NOT_INITIALIZED (0x12) /* The item is not initialized          */
105 #define MV_NO_RESOURCE	(0x13)	/* Resource not available (memory ...)   */
106 #define MV_FULL		(0x14)	/* Item is full (Queue or table etc...)  */
107 #define MV_EMPTY	(0x15)	/* Item is empty (Queue or table etc...) */
108 #define MV_INIT_ERROR	(0x16)	/* Error occurred while INIT process     */
109 #define MV_HW_ERROR	(0x17)	/* Hardware error                        */
110 #define MV_TX_ERROR	(0x18)	/* Transmit operation not succeeded      */
111 #define MV_RX_ERROR	(0x19)	/* Recieve operation not succeeded       */
112 #define MV_NOT_READY	(0x1a)	/* The other side is not ready yet       */
113 #define MV_ALREADY_EXIST (0x1b)	/* Tried to create existing item         */
114 #define MV_OUT_OF_CPU_MEM   (0x1c) /* Cpu memory allocation failed.      */
115 #define MV_NOT_STARTED	(0x1d)	/* Not started yet                       */
116 #define MV_BUSY		(0x1e)	/* Item is busy.                         */
117 #define MV_TERMINATE	(0x1f)	/* Item terminates it's work.            */
118 #define MV_NOT_ALIGNED	(0x20)	/* Wrong alignment                       */
119 #define MV_NOT_ALLOWED	(0x21)	/* Operation NOT allowed                 */
120 #define MV_WRITE_PROTECT (0x22)	/* Write protected                       */
121 #define MV_INVALID	(int)(-1)
122 
123 /*
124  * Accessor functions for the registers
125  */
reg_write(u32 addr,u32 val)126 static inline void reg_write(u32 addr, u32 val)
127 {
128 	writel(val, INTER_REGS_BASE + addr);
129 }
130 
reg_read(u32 addr)131 static inline u32 reg_read(u32 addr)
132 {
133 	return readl(INTER_REGS_BASE + addr);
134 }
135 
reg_bit_set(u32 addr,u32 mask)136 static inline void reg_bit_set(u32 addr, u32 mask)
137 {
138 	setbits_le32(INTER_REGS_BASE + addr, mask);
139 }
140 
reg_bit_clr(u32 addr,u32 mask)141 static inline void reg_bit_clr(u32 addr, u32 mask)
142 {
143 	clrbits_le32(INTER_REGS_BASE + addr, mask);
144 }
145 
146 #endif /* _DDR_ML_WRAPPER_H */
147