| Becky Bruce | 0d4cee1 | 2010-06-17 11:37:20 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2010 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * Version 2 as published by the Free Software Foundation. |
| 7 | */ |
| 8 | |
| 9 | #include <common.h> |
| 10 | #include <asm/fsl_lbc.h> |
| 11 | |
| 12 | void print_lbc_regs(void) |
| 13 | { |
| 14 | int i; |
| 15 | |
| 16 | printf("\nLocal Bus Controller Registers\n"); |
| 17 | for (i = 0; i < 8; i++) { |
| 18 | printf("BR%d\t0x%08X\tOR%d\t0x%08X\n", |
| 19 | i, get_lbc_br(i), i, get_lbc_or(i)); |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | void init_early_memctl_regs(void) |
| 24 | { |
| 25 | uint init_br1 = 1; |
| 26 | |
| 27 | #ifdef CONFIG_MPC85xx |
| 28 | /* if cs1 is already set via debugger, leave cs0/cs1 alone */ |
| 29 | if (get_lbc_br(1) & BR_V) |
| 30 | init_br1 = 0; |
| 31 | #endif |
| 32 | |
| 33 | /* |
| 34 | * Map banks 0 (and maybe 1) to the FLASH banks 0 (and 1) at |
| 35 | * preliminary addresses - these have to be modified later |
| 36 | * when FLASH size has been determined |
| 37 | */ |
| 38 | #if defined(CONFIG_SYS_OR0_REMAP) |
| 39 | set_lbc_or(0, CONFIG_SYS_OR0_REMAP); |
| 40 | #endif |
| 41 | #if defined(CONFIG_SYS_OR1_REMAP) |
| 42 | set_lbc_or(1, CONFIG_SYS_OR1_REMAP); |
| 43 | #endif |
| 44 | /* now restrict to preliminary range */ |
| 45 | if (init_br1) { |
| 46 | set_lbc_br(0, CONFIG_SYS_BR0_PRELIM); |
| 47 | set_lbc_or(0, CONFIG_SYS_OR0_PRELIM); |
| 48 | |
| 49 | #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM) |
| 50 | set_lbc_or(1, CONFIG_SYS_OR1_PRELIM); |
| 51 | set_lbc_br(1, CONFIG_SYS_BR1_PRELIM); |
| 52 | #endif |
| 53 | } |
| 54 | |
| 55 | #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM) |
| 56 | set_lbc_or(2, CONFIG_SYS_OR2_PRELIM); |
| 57 | set_lbc_br(2, CONFIG_SYS_BR2_PRELIM); |
| 58 | #endif |
| 59 | |
| 60 | #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM) |
| 61 | set_lbc_or(3, CONFIG_SYS_OR3_PRELIM); |
| 62 | set_lbc_br(3, CONFIG_SYS_BR3_PRELIM); |
| 63 | #endif |
| 64 | |
| 65 | #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM) |
| 66 | set_lbc_or(4, CONFIG_SYS_OR4_PRELIM); |
| 67 | set_lbc_br(4, CONFIG_SYS_BR4_PRELIM); |
| 68 | #endif |
| 69 | |
| 70 | #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM) |
| 71 | set_lbc_or(5, CONFIG_SYS_OR5_PRELIM); |
| 72 | set_lbc_br(5, CONFIG_SYS_BR5_PRELIM); |
| 73 | #endif |
| 74 | |
| 75 | #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM) |
| 76 | set_lbc_or(6, CONFIG_SYS_OR6_PRELIM); |
| 77 | set_lbc_br(6, CONFIG_SYS_BR6_PRELIM); |
| 78 | #endif |
| 79 | |
| 80 | #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM) |
| 81 | set_lbc_or(7, CONFIG_SYS_OR7_PRELIM); |
| 82 | set_lbc_br(7, CONFIG_SYS_BR7_PRELIM); |
| 83 | #endif |
| 84 | } |