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
46 /* arch number of CPUAT91-Board */
47 gd->bd->bi_arch_number = MACH_TYPE_CPUAT91;
48 /* adress of boot parameters */
49 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
54 int board_early_init_f(void)
56 at91_seriald_hw_init();
63 /* dram_init must store complete ramsize in gd->ram_size */
64 gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
65 CONFIG_SYS_SDRAM_SIZE);
69 #ifdef CONFIG_DRIVER_AT91EMAC
70 int board_eth_init(bd_t *bis)
72 return at91emac_register(bis, (u32) ATMEL_BASE_EMAC);
76 #ifdef CONFIG_SOFT_I2C
77 void i2c_init_board(void)
80 at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
81 at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
83 writel(1 << AT91_ID_PIOA, &pmc->pcer);
84 pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK;
85 writel(pin, &pio->pioa.idr);
86 writel(pin, &pio->pioa.pudr);
87 writel(pin, &pio->pioa.per);
88 writel(pin, &pio->pioa.oer);
89 writel(pin, &pio->pioa.sodr);