1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*
* Copyright (C) Marvell International Ltd. and its affiliates
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include "seq_exec.h"
#include "sys_env_lib.h"
#include "../../../drivers/ddr/marvell/a38x/ddr3_a38x.h"
#ifdef CONFIG_ARMADA_38X
enum unit_id sys_env_soc_unit_nums[MAX_UNITS_ID][MAX_DEV_ID_NUM] = {
/* 6820 6810 6811 6828 */
/* PEX_UNIT_ID */ { 4, 3, 3, 4},
/* ETH_GIG_UNIT_ID */ { 3, 2, 3, 3},
/* USB3H_UNIT_ID */ { 2, 2, 2, 2},
/* USB3D_UNIT_ID */ { 1, 1, 1, 1},
/* SATA_UNIT_ID */ { 2, 2, 2, 4},
/* QSGMII_UNIT_ID */ { 1, 0, 0, 1},
/* XAUI_UNIT_ID */ { 0, 0, 0, 0},
/* RXAUI_UNIT_ID */ { 0, 0, 0, 0}
};
#else /* if (CONFIG_ARMADA_39X) */
enum unit_id sys_env_soc_unit_nums[MAX_UNITS_ID][MAX_DEV_ID_NUM] = {
/* 6920 6928 */
/* PEX_UNIT_ID */ { 4, 4},
/* ETH_GIG_UNIT_ID */ { 3, 4},
/* USB3H_UNIT_ID */ { 1, 2},
/* USB3D_UNIT_ID */ { 0, 1},
/* SATA_UNIT_ID */ { 0, 4},
/* QSGMII_UNIT_ID */ { 0, 1},
/* XAUI_UNIT_ID */ { 1, 1},
/* RXAUI_UNIT_ID */ { 1, 1}
};
#endif
u32 g_dev_id = -1;
u32 mv_board_id_get(void)
{
#if defined(CONFIG_DB_88F6820_GP)
return DB_GP_68XX_ID;
#else
/*
* Return 0 here for custom board as this should not be used
* for custom boards.
*/
return 0;
#endif
}
u32 mv_board_tclk_get(void)
{
u32 value;
value = (reg_read(DEVICE_SAMPLE_AT_RESET1_REG) >> 15) & 0x1;
switch (value) {
case (0x0):
return 250000000;
case (0x1):
return 200000000;
default:
return 0xffffffff;
}
}
u32 mv_board_id_index_get(u32 board_id)
{
/*
* Marvell Boards use 0x10 as base for Board ID:
* mask MSB to receive index for board ID
*/
return board_id & (MARVELL_BOARD_ID_MASK - 1);
}
/*
* sys_env_suspend_wakeup_check
* DESCRIPTION: Reads GPIO input for suspend-wakeup indication.
* INPUT: None.
* OUTPUT:
* RETURNS: u32 indicating suspend wakeup status:
* 0 - Not supported,
* 1 - supported: read magic word detect wakeup,
* 2 - detected wakeup from GPIO.
*/
enum suspend_wakeup_status sys_env_suspend_wakeup_check(void)
{
u32 reg, board_id_index, gpio;
struct board_wakeup_gpio board_gpio[] = MV_BOARD_WAKEUP_GPIO_INFO;
board_id_index = mv_board_id_index_get(mv_board_id_get());
if (!(sizeof(board_gpio) / sizeof(struct board_wakeup_gpio) >
board_id_index)) {
printf("\n_failed loading Suspend-Wakeup information (invalid board ID)\n");
return SUSPEND_WAKEUP_DISABLED;
}
/*
* - Detect if Suspend-Wakeup is supported on current board
* - Fetch the GPIO number for wakeup status input indication
*/
if (board_gpio[board_id_index].gpio_num == -1) {
/* Suspend to RAM is not supported */
return SUSPEND_WAKEUP_DISABLED;
} else if (board_gpio[board_id_index].gpio_num == -2) {
/*
* Suspend to RAM is supported but GPIO indication is
* not implemented - Skip
*/
return SUSPEND_WAKEUP_ENABLED;
} else {
gpio = board_gpio[board_id_index].gpio_num;
}
/* Initialize MPP for GPIO (set MPP = 0x0) */
reg = reg_read(MPP_CONTROL_REG(MPP_REG_NUM(gpio)));
/* reset MPP21 to 0x0, keep rest of MPP settings*/
reg &= ~MPP_MASK(gpio);
reg_write(MPP_CONTROL_REG(MPP_REG_NUM(gpio)), reg);
/* Initialize GPIO as input */
reg = reg_read(GPP_DATA_OUT_EN_REG(GPP_REG_NUM(gpio)));
reg |= GPP_MASK(gpio);
reg_write(GPP_DATA_OUT_EN_REG(GPP_REG_NUM(gpio)), reg);
/*
* Check GPP for input status from PIC: 0 - regular init,
* 1 - suspend wakeup
*/
reg = reg_read(GPP_DATA_IN_REG(GPP_REG_NUM(gpio)));
/* if GPIO is ON: wakeup from S2RAM indication detected */
return (reg & GPP_MASK(gpio)) ? SUSPEND_WAKEUP_ENABLED_GPIO_DETECTED :
SUSPEND_WAKEUP_DISABLED;
}
/*
* mv_ctrl_dev_id_index_get
*
* DESCRIPTION: return SOC device index
* INPUT: None
* OUTPUT: None
* RETURN:
* return SOC device index
*/
u32 sys_env_id_index_get(u32 ctrl_model)
{
switch (ctrl_model) {
case MV_6820_DEV_ID:
return MV_6820_INDEX;
case MV_6810_DEV_ID:
return MV_6810_INDEX;
case MV_6811_DEV_ID:
return MV_6811_INDEX;
case MV_6828_DEV_ID:
return MV_6828_INDEX;
case MV_6920_DEV_ID:
return MV_6920_INDEX;
case MV_6928_DEV_ID:
return MV_6928_INDEX;
default:
return MV_6820_INDEX;
}
}
u32 sys_env_unit_max_num_get(enum unit_id unit)
{
u32 dev_id_index;
if (unit >= MAX_UNITS_ID) {
printf("%s: Error: Wrong unit type (%u)\n", __func__, unit);
return 0;
}
dev_id_index = sys_env_id_index_get(sys_env_model_get());
return sys_env_soc_unit_nums[unit][dev_id_index];
}
/*
* sys_env_model_get
* DESCRIPTION: Returns 16bit describing the device model (ID) as defined
* in Vendor ID configuration register
*/
u16 sys_env_model_get(void)
{
u32 default_ctrl_id, ctrl_id = reg_read(DEV_ID_REG);
ctrl_id = (ctrl_id & (DEV_ID_REG_DEVICE_ID_MASK)) >>
DEV_ID_REG_DEVICE_ID_OFFS;
switch (ctrl_id) {
case MV_6820_DEV_ID:
case MV_6810_DEV_ID:
case MV_6811_DEV_ID:
case MV_6828_DEV_ID:
case MV_6920_DEV_ID:
case MV_6928_DEV_ID:
return ctrl_id;
default:
/* Device ID Default for A38x: 6820 , for A39x: 6920 */
#ifdef CONFIG_ARMADA_38X
default_ctrl_id = MV_6820_DEV_ID;
#else
default_ctrl_id = MV_6920_DEV_ID;
#endif
printf("%s: Error retrieving device ID (%x), using default ID = %x\n",
__func__, ctrl_id, default_ctrl_id);
return default_ctrl_id;
}
}
/*
* sys_env_device_id_get
* DESCRIPTION: Returns enum (0..7) index of the device model (ID)
*/
u32 sys_env_device_id_get(void)
{
char *device_id_str[7] = {
"6810", "6820", "6811", "6828", "NONE", "6920", "6928"
};
if (g_dev_id != -1)
return g_dev_id;
g_dev_id = reg_read(DEVICE_SAMPLE_AT_RESET1_REG);
g_dev_id = g_dev_id >> SAR_DEV_ID_OFFS & SAR_DEV_ID_MASK;
printf("Detected Device ID %s\n", device_id_str[g_dev_id]);
return g_dev_id;
}
|
