blob: d7885965cb63b8ed015c7e698d1b8a83ad91407d (
plain)
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
|
/*
* (C) Copyright 2006
* Ingenic Semiconductor, <jlwei@ingenic.cn>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <asm/mipsregs.h>
#include <asm/jz4740.h>
#include <asm/addrspace.h>
#include <asm/cacheops.h>
void _machine_restart(void)
{
__wdt_select_extalclk();
__wdt_select_clk_div64();
__wdt_set_data(100);
__wdt_set_count(0);
__tcu_start_wdt_clock();
__wdt_start();
while(1);
}
static void gpio_init(void)
{
REG_GPIO_PXPES(0) = 0xffffffff;
REG_GPIO_PXPES(1) = 0xffffffff;
REG_GPIO_PXPES(2) = 0xffffffff;
REG_GPIO_PXPES(3) = 0xffffffff;
/*
* Initialize NAND Flash Pins
*/
__gpio_as_nand();
/*
* Initialize SDRAM pins
*/
__gpio_as_sdram_32bit();
/*
* Initialize UART0 pins
*/
__gpio_as_uart0();
/*
* Initialize MSC pins
*/
__gpio_as_msc();
/*
* Initialize LCD pins
*/
__gpio_as_lcd_16bit();
/*
* Initialize Other pins
*/
__gpio_as_output(GPIO_SD_VCC_EN_N);
__gpio_clear_pin(GPIO_SD_VCC_EN_N);
__gpio_as_input(GPIO_SD_CD_N);
__gpio_disable_pull(GPIO_SD_CD_N);
__gpio_as_output(GPIO_DISP_OFF_N);
__gpio_as_output(GPIO_LED_EN);
__gpio_set_pin(GPIO_LED_EN);
__gpio_as_input(127);
}
static void cpm_init(void)
{
__cpm_stop_ipu();
__cpm_stop_cim();
__cpm_stop_i2c();
__cpm_stop_ssi();
__cpm_stop_uart1();
__cpm_stop_sadc();
__cpm_stop_uhc();
__cpm_stop_udc();
__cpm_stop_aic1();
__cpm_stop_aic2();
__cpm_suspend_udcphy();
__cpm_suspend_usbphy();
}
//----------------------------------------------------------------------
// board early init routine
void board_early_init(void)
{
gpio_init();
cpm_init();
}
//----------------------------------------------------------------------
// U-Boot common routines
int checkboard (void)
{
DECLARE_GLOBAL_DATA_PTR;
printf("Board: Hanvon n516 e-book (CPU Speed %d MHz)\n",
gd->cpu_clk/1000000);
return 0; /* success */
}
|
