1 /*
2  * (C) Copyright 2010 Andreas Bießmann <andreas.devel@gmail.com>
3  *
4  * derived from previous work
5  *
6  * (C) Copyright 2002
7  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
8  * Marius Groeger <mgroeger@sysgo.de>
9  *
10  * See file CREDITS for list of people who contributed to this
11  * project.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License as
15  * published by the Free Software Foundation; either version 2 of
16  * the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software
25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26  * MA 02111-1307 USA
27  */
28 
29 #include <common.h>
30 #include <netdev.h>
31 #include <asm/arch/hardware.h>
32 #include <asm/arch/at91_pio.h>
33 #include <asm/arch/at91_pmc.h>
34 #include <asm/arch/at91_common.h>
35 #include <asm/io.h>
36 
37 DECLARE_GLOBAL_DATA_PTR;
38 
39 /* ------------------------------------------------------------------------- */
40 int board_init(void)
41 {
42 	at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
43 
44 	/*
45 	 * Correct IRDA resistor problem
46 	 * Set PA23_TXD in Output
47 	 */
48 	writel(ATMEL_PMX_AA_TXD2, &pio->pioa.oer);
49 
50 	/* arch number of AT91RM9200EK-Board */
51 	gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200EK;
52 	/* adress of boot parameters */
53 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
54 
55 	return 0;
56 }
57 
58 int board_early_init_f(void)
59 {
60 	at91_seriald_hw_init();
61 	return 0;
62 }
63 
64 int dram_init (void)
65 {
66 	/* dram_init must store complete ramsize in gd->ram_size */
67 	gd->ram_size = get_ram_size((volatile long *)CONFIG_SYS_SDRAM_BASE,
68 			CONFIG_SYS_SDRAM_SIZE);
69 	return 0;
70 }
71 
72 #ifdef CONFIG_DRIVER_AT91EMAC
73 int board_eth_init(bd_t *bis)
74 {
75 	return at91emac_register(bis, (u32) ATMEL_BASE_EMAC);
76 }
77 #endif
78