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 } 85