| Kumar Gala | a09b9b6 | 2010-12-30 12:09:53 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License as published by the Free |
| 6 | * Software Foundation; either version 2 of the License, or (at your option) |
| 7 | * any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 17 | * MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | #include <common.h> |
| 21 | #include <config.h> |
| 22 | #include <asm/fsl_law.h> |
| 23 | #include <asm/fsl_serdes.h> |
| 24 | |
| 25 | #if defined(CONFIG_FSL_CORENET) |
| 26 | #define _DEVDISR_SRIO1 FSL_CORENET_DEVDISR_SRIO1 |
| 27 | #define _DEVDISR_SRIO2 FSL_CORENET_DEVDISR_SRIO2 |
| 28 | #define _DEVDISR_RMU FSL_CORENET_DEVDISR_RMU |
| 29 | #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR |
| 30 | #elif defined(CONFIG_MPC85xx) |
| 31 | #define _DEVDISR_SRIO1 MPC85xx_DEVDISR_SRIO |
| 32 | #define _DEVDISR_SRIO2 MPC85xx_DEVDISR_SRIO |
| 33 | #define _DEVDISR_RMU MPC85xx_DEVDISR_RMSG |
| 34 | #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR |
| 35 | #elif defined(CONFIG_MPC86xx) |
| 36 | #define _DEVDISR_SRIO1 MPC86xx_DEVDISR_SRIO |
| 37 | #define _DEVDISR_SRIO2 MPC86xx_DEVDISR_SRIO |
| 38 | #define _DEVDISR_RMU MPC86xx_DEVDISR_RMSG |
| 39 | #define CONFIG_SYS_MPC8xxx_GUTS_ADDR \ |
| 40 | (&((immap_t *)CONFIG_SYS_IMMR)->im_gur) |
| 41 | #else |
| 42 | #error "No defines for DEVDISR_SRIO" |
| 43 | #endif |
| 44 | |
| 45 | void srio_init(void) |
| 46 | { |
| 47 | ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR; |
| 48 | int srio1_used = 0, srio2_used = 0; |
| 49 | |
| 50 | if (is_serdes_configured(SRIO1)) { |
| 51 | set_next_law(CONFIG_SYS_SRIO1_MEM_PHYS, |
| 52 | law_size_bits(CONFIG_SYS_SRIO1_MEM_SIZE), |
| 53 | LAW_TRGT_IF_RIO_1); |
| 54 | srio1_used = 1; |
| 55 | printf("SRIO1: enabled\n"); |
| 56 | } else { |
| 57 | printf("SRIO1: disabled\n"); |
| 58 | } |
| 59 | |
| 60 | #ifdef CONFIG_SRIO2 |
| 61 | if (is_serdes_configured(SRIO2)) { |
| 62 | set_next_law(CONFIG_SYS_SRIO2_MEM_PHYS, |
| 63 | law_size_bits(CONFIG_SYS_SRIO2_MEM_SIZE), |
| 64 | LAW_TRGT_IF_RIO_2); |
| 65 | srio2_used = 1; |
| 66 | printf("SRIO2: enabled\n"); |
| 67 | } else { |
| 68 | printf("SRIO2: disabled\n"); |
| 69 | } |
| 70 | #endif |
| 71 | |
| 72 | #ifdef CONFIG_FSL_CORENET |
| 73 | /* On FSL_CORENET devices we can disable individual ports */ |
| 74 | if (!srio1_used) |
| 75 | setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO1); |
| 76 | if (!srio2_used) |
| 77 | setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO2); |
| 78 | #endif |
| 79 | |
| 80 | /* neither port is used - disable everything */ |
| 81 | if (!srio1_used && !srio2_used) { |
| 82 | setbits_be32(&gur->devdisr, _DEVDISR_SRIO1); |
| 83 | setbits_be32(&gur->devdisr, _DEVDISR_SRIO2); |
| 84 | setbits_be32(&gur->devdisr, _DEVDISR_RMU); |
| 85 | } |
| 86 | } |