xref: /openbmc/u-boot/board/micronas/vct/ebi.c (revision c6af2e7d)
1 /*
2  * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
3  *
4  * Copyright (C) 2006 Micronas GmbH
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19  * MA 02111-1307 USA
20  */
21 
22 #include <common.h>
23 #include <asm/io.h>
24 #include "vct.h"
25 
26 int ebi_initialize(void)
27 {
28 #if defined(CONFIG_VCT_NOR)
29 	if (ebi_init_nor_flash())
30 		return -1;
31 #endif
32 
33 #if defined(CONFIG_VCT_ONENAND)
34 	if (ebi_init_onenand())
35 		return -1;
36 #endif
37 
38 #if defined(CONFIG_DRIVER_SMC911X)
39 	if (ebi_init_smc911x())
40 		return -1;
41 #endif
42 
43 	reg_write(EBI_CTRL_SIG_ACTLV(EBI_BASE), 0x00004100);
44 
45 	ebi_wait();
46 
47 	return 0;
48 }
49