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
|
/*
* (C) Copyright 2006-2010 Eukrea Electromatique <www.eukrea.com>
* Eric Benard <eric@eukrea.com>
* based on at91rm9200dk.c which is :
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 <netdev.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_pio.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_common.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
int board_init(void)
{
/* arch number of CPUAT91-Board */
gd->bd->bi_arch_number = MACH_TYPE_CPUAT91;
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
return 0;
}
int board_early_init_f(void)
{
at91_seriald_hw_init();
return 0;
}
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_SDRAM_SIZE);
return 0;
}
#ifdef CONFIG_DRIVER_AT91EMAC
int board_eth_init(bd_t *bis)
{
return at91emac_register(bis, (u32) ATMEL_BASE_EMAC);
}
#endif
#ifdef CONFIG_SYS_I2C_SOFT
void i2c_init_board(void)
{
u32 pin;
at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
writel(1 << AT91_ID_PIOA, &pmc->pcer);
pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK;
writel(pin, &pio->pioa.idr);
writel(pin, &pio->pioa.pudr);
writel(pin, &pio->pioa.per);
writel(pin, &pio->pioa.oer);
writel(pin, &pio->pioa.sodr);
}
#endif
|
