at91rm9200ek.c
1.26 KB
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/*
* (C) Copyright 2010 Andreas Bießmann <andreas@biessmann.org>
*
* derived from previous work
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <netdev.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_pio.h>
#include <asm/arch/at91_common.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
int board_init(void)
{
at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
/*
* Correct IRDA resistor problem
* Set PA23_TXD in Output
*/
writel(ATMEL_PMX_AA_TXD2, &pio->pioa.oer);
/* arch number of AT91RM9200EK-Board */
gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200EK;
/* 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