| Naveen Krishna CH | 01802e0 | 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 | * |
| Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/io.h> |
| Chander Kashyap | b0ad862 | 2011-04-14 19:05:18 +0000 | [diff] [blame] | 10 | #include <asm/arch/sromc.h> |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 11 | |
| 12 | /* |
| Chander Kashyap | b0ad862 | 2011-04-14 19:05:18 +0000 | [diff] [blame] | 13 | * s5p_config_sromc() - select the proper SROMC Bank and configure the |
| 14 | * band width control and bank control registers |
| 15 | * srom_bank - SROM |
| 16 | * srom_bw_conf - SMC Band witdh reg configuration value |
| 17 | * srom_bc_conf - SMC Bank Control reg configuration value |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 18 | */ |
| Chander Kashyap | b0ad862 | 2011-04-14 19:05:18 +0000 | [diff] [blame] | 19 | void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf) |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 20 | { |
| 21 | u32 tmp; |
| Chander Kashyap | b0ad862 | 2011-04-14 19:05:18 +0000 | [diff] [blame] | 22 | struct s5p_sromc *srom = |
| 23 | (struct s5p_sromc *)samsung_get_base_sromc(); |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 24 | |
| 25 | /* Configure SMC_BW register to handle proper SROMC bank */ |
| 26 | tmp = srom->bw; |
| 27 | tmp &= ~(0xF << (srom_bank * 4)); |
| Chander Kashyap | b0ad862 | 2011-04-14 19:05:18 +0000 | [diff] [blame] | 28 | tmp |= srom_bw_conf; |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 29 | srom->bw = tmp; |
| 30 | |
| 31 | /* Configure SMC_BC register */ |
| Chander Kashyap | b0ad862 | 2011-04-14 19:05:18 +0000 | [diff] [blame] | 32 | srom->bc[srom_bank] = srom_bc_conf; |
| Naveen Krishna CH | 01802e0 | 2010-03-05 17:15:38 +0900 | [diff] [blame] | 33 | } |