Naveen Krishna CH | 4b3bece | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 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/smc.h> |
| 27 | |
| 28 | /* |
| 29 | * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the |
| 30 | * band width control and bank control registers |
| 31 | * srom_bank - SROM Bank 0 to 5 |
| 32 | * smc_bw_conf - SMC Band witdh reg configuration value |
| 33 | * smc_bc_conf - SMC Bank Control reg configuration value |
| 34 | */ |
| 35 | void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf) |
| 36 | { |
| 37 | u32 tmp; |
| 38 | struct s5pc1xx_smc *srom; |
| 39 | |
| 40 | if (cpu_is_s5pc100()) |
| 41 | srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE; |
| 42 | else |
| 43 | srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE; |
| 44 | |
| 45 | /* Configure SMC_BW register to handle proper SROMC bank */ |
| 46 | tmp = srom->bw; |
| 47 | tmp &= ~(0xF << (srom_bank * 4)); |
| 48 | tmp |= smc_bw_conf; |
| 49 | srom->bw = tmp; |
| 50 | |
| 51 | /* Configure SMC_BC register */ |
| 52 | srom->bc[srom_bank] = smc_bc_conf; |
| 53 | } |