xref: /openbmc/u-boot/board/spear/spear320/spear320.c (revision 15855700)
1 /*
2  * (C) Copyright 2009
3  * Ryan Chen, ST Micoelectronics, ryan.chen@st.com.
4  * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <nand.h>
27 #include <asm/io.h>
28 #include <asm/arch/hardware.h>
29 #include <asm/arch/spr_defs.h>
30 #include <asm/arch/spr_misc.h>
31 #include <asm/arch/spr_nand.h>
32 
33 int board_init(void)
34 {
35 	return spear_board_init(MACH_TYPE_SPEAR320);
36 }
37 
38 /*
39  * board_nand_init - Board specific NAND initialization
40  * @nand:	mtd private chip structure
41  *
42  * Called by nand_init_chip to initialize the board specific functions
43  */
44 
45 int board_nand_init(struct nand_chip *nand)
46 {
47 	struct misc_regs *const misc_regs_p =
48 	    (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
49 
50 	if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
51 	     MISC_SOCCFG30) ||
52 	    ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
53 	     MISC_SOCCFG31)) {
54 
55 		return spear_nand_init(nand);
56 	}
57 
58 	return -1;
59 }
60