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
|
/*
* Common board functions for siemens AM335X based boards
* (C) Copyright 2013 Siemens Schweiz AG
* (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* Based on:
* U-Boot file:/board/ti/am335x/board.c
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <errno.h>
#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/emif.h>
#include <asm/gpio.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <watchdog.h>
#include "../common/factoryset.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SPL_BUILD
void set_uart_mux_conf(void)
{
enable_uart0_pin_mux();
}
void set_mux_conf_regs(void)
{
/* Initalize the board header */
enable_i2c0_pin_mux();
i2c_set_bus_num(0);
/* enable early the console */
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
gd->have_console = 1;
if (read_eeprom() < 0)
puts("Could not get board ID.\n");
enable_board_pin_mux();
}
void sdram_init(void)
{
spl_siemens_board_init();
board_init_ddr();
return;
}
#endif /* #ifdef CONFIG_SPL_BUILD */
#ifndef CONFIG_SPL_BUILD
/*
* Basic board specific setup. Pinmux has been handled already.
*/
int board_init(void)
{
#if defined(CONFIG_HW_WATCHDOG)
hw_watchdog_init();
#endif /* defined(CONFIG_HW_WATCHDOG) */
i2c_set_bus_num(0);
if (read_eeprom() < 0)
puts("Could not get board ID.\n");
gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
#ifdef CONFIG_FACTORYSET
factoryset_read_eeprom(CONFIG_SYS_I2C_EEPROM_ADDR);
#endif
gpmc_init();
#ifdef CONFIG_VIDEO
board_video_init();
#endif
return 0;
}
#endif /* #ifndef CONFIG_SPL_BUILD */
#define OSC (V_OSCK/1000000)
const struct dpll_params dpll_ddr = {
DDR_PLL_FREQ, OSC-1, 1, -1, -1, -1, -1};
const struct dpll_params *get_dpll_ddr_params(void)
{
return &dpll_ddr;
}
#ifndef CONFIG_SPL_BUILD
#if defined(BOARD_DFU_BUTTON_GPIO)
/*
* This command returns the status of the user button on
* Input - none
* Returns - 1 if button is held down
* 0 if button is not held down
*/
static int
do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int button = 0;
int gpio;
gpio = BOARD_DFU_BUTTON_GPIO;
gpio_request(gpio, "DFU");
gpio_direction_input(gpio);
if (gpio_get_value(gpio))
button = 1;
else
button = 0;
gpio_free(gpio);
return button;
}
U_BOOT_CMD(
dfubutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
"Return the status of the DFU button",
""
);
#endif
/*
* This command sets led
* Input - name of led
* value of led
* Returns - 1 if input does not match
* 0 if led was set
*/
static int
do_setled(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int gpio = 0;
if (argc != 3)
goto exit;
#if defined(BOARD_STATUS_LED)
if (!strcmp(argv[1], "stat"))
gpio = BOARD_STATUS_LED;
#endif
#if defined(BOARD_DFU_BUTTON_LED)
if (!strcmp(argv[1], "dfu"))
gpio = BOARD_DFU_BUTTON_LED;
#endif
/* If argument does not mach exit */
if (gpio == 0)
goto exit;
gpio_request(gpio, "");
gpio_direction_output(gpio, 1);
if (!strcmp(argv[2], "1"))
gpio_set_value(gpio, 1);
else
gpio_set_value(gpio, 0);
return 0;
exit:
return 1;
}
U_BOOT_CMD(
led, CONFIG_SYS_MAXARGS, 2, do_setled,
"Set led on or off",
"dfu val - set dfu led\nled stat val - set status led"
);
static int
do_usertestwdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
printf("\n\n\n Go into infinite loop\n\n\n");
while (1)
;
return 0;
};
U_BOOT_CMD(
testwdt, CONFIG_SYS_MAXARGS, 1, do_usertestwdt,
"Sends U-Boot into infinite loop",
""
);
#endif /* !CONFIG_SPL_BUILD */
|
