1 /*
2  * Copyright (C) 2010 Samsung Electronics
3  * Naveen Krishna Ch <ch.naveen@samsung.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #include <common.h>
25 #include <asm/io.h>
26 #include <asm/arch/sromc.h>
27 
28 /*
29  * s5p_config_sromc() - select the proper SROMC Bank and configure the
30  * band width control and bank control registers
31  * srom_bank	- SROM
32  * srom_bw_conf  - SMC Band witdh reg configuration value
33  * srom_bc_conf  - SMC Bank Control reg configuration value
34  */
35 void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf)
36 {
37 	u32 tmp;
38 	struct s5p_sromc *srom =
39 		(struct s5p_sromc *)samsung_get_base_sromc();
40 
41 	/* Configure SMC_BW register to handle proper SROMC bank */
42 	tmp = srom->bw;
43 	tmp &= ~(0xF << (srom_bank * 4));
44 	tmp |= srom_bw_conf;
45 	srom->bw = tmp;
46 
47 	/* Configure SMC_BC register */
48 	srom->bc[srom_bank] = srom_bc_conf;
49 }
50