2 * (C) Copyright 2006-2010 Eukrea Electromatique <www.eukrea.com>
3 * Eric Benard <eric@eukrea.com>
4 * based on at91rm9200dk.c which is :
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #include <asm/arch/hardware.h>
33 #include <asm/arch/at91_pio.h>
34 #include <asm/arch/at91_pmc.h>
35 #include <asm/arch/at91_common.h>
37 DECLARE_GLOBAL_DATA_PTR;
39 /* ------------------------------------------------------------------------- */
41 * Miscelaneous platform dependent initialisations
48 /* arch number of CPUAT91-Board */
49 gd->bd->bi_arch_number = MACH_TYPE_CPUAT91;
50 /* adress of boot parameters */
51 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
56 int board_early_init_f(void)
58 at91_seriald_hw_init();
65 /* dram_init must store complete ramsize in gd->ram_size */
66 gd->ram_size = get_ram_size((volatile long *)CONFIG_SYS_SDRAM_BASE,
67 CONFIG_SYS_SDRAM_SIZE);
71 #ifdef CONFIG_DRIVER_AT91EMAC
72 int board_eth_init(bd_t *bis)
74 return at91emac_register(bis, (u32) ATMEL_BASE_EMAC);
78 #ifdef CONFIG_SOFT_I2C
79 void i2c_init_board(void)
82 at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
83 at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
85 writel(1 << AT91_ID_PIOA, &pmc->pcer);
86 pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK;
87 writel(pin, &pio->pioa.idr);
88 writel(pin, &pio->pioa.pudr);
89 writel(pin, &pio->pioa.per);
90 writel(pin, &pio->pioa.oer);
91 writel(pin, &pio->pioa.sodr);