1 /* 2 * Copyright 2008 Freescale Semiconductor, Inc. 3 * 4 * (C) Copyright 2000 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #include <common.h> 27 #include <asm/mmu.h> 28 29 struct fsl_e_tlb_entry tlb_table[] = { 30 /* TLB 0 - for temp stack in cache */ 31 SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR, 32 MAS3_SX|MAS3_SW|MAS3_SR, 0, 33 0, 0, BOOKE_PAGESZ_4K, 0), 34 SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, 35 CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, 36 MAS3_SX|MAS3_SW|MAS3_SR, 0, 37 0, 0, BOOKE_PAGESZ_4K, 0), 38 SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, 39 CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, 40 MAS3_SX|MAS3_SW|MAS3_SR, 0, 41 0, 0, BOOKE_PAGESZ_4K, 0), 42 SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, 43 CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, 44 MAS3_SX|MAS3_SW|MAS3_SR, 0, 45 0, 0, BOOKE_PAGESZ_4K, 0), 46 47 /* 48 * TLB 0: 64M Non-cacheable, guarded 49 * 0xfc000000 56M 8MB -> 64MB of user flash 50 * 0xff800000 8M boot FLASH 51 * Out of reset this entry is only 4K. 52 */ 53 SET_TLB_ENTRY(1, CONFIG_SYS_ALT_FLASH + 0x800000, 54 CONFIG_SYS_ALT_FLASH + 0x800000, 55 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 56 0, 0, BOOKE_PAGESZ_64M, 1), 57 58 /* 59 * TLB 1: 256M Non-cacheable, guarded 60 * 0x80000000 256M PCI1 MEM First half 61 */ 62 SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS, 63 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 64 0, 1, BOOKE_PAGESZ_256M, 1), 65 66 /* 67 * TLB 2: 256M Non-cacheable, guarded 68 * 0x90000000 256M PCI1 MEM Second half 69 */ 70 SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000, 71 CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000, 72 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 73 0, 2, BOOKE_PAGESZ_256M, 1), 74 75 /* 76 * TLB 3: 256M Cacheable, non-guarded 77 * 0x0 256M DDR SDRAM 78 */ 79 #if !defined(CONFIG_SPD_EEPROM) 80 SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, 81 MAS3_SX|MAS3_SW|MAS3_SR, 0, 82 0, 3, BOOKE_PAGESZ_256M, 1), 83 #endif 84 85 /* 86 * TLB 4: 64M Non-cacheable, guarded 87 * 0xe0000000 1M CCSRBAR 88 * 0xe2000000 16M PCI1 IO 89 */ 90 SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, 91 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 92 0, 4, BOOKE_PAGESZ_64M, 1), 93 94 /* 95 * TLB 5: 64M Cacheable, non-guarded 96 * 0xf0000000 64M LBC SDRAM First half 97 */ 98 SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE, CONFIG_SYS_LBC_SDRAM_BASE, 99 MAS3_SX|MAS3_SW|MAS3_SR, 0, 100 0, 5, BOOKE_PAGESZ_64M, 1), 101 102 /* 103 * TLB 6: 64M Cacheable, non-guarded 104 * 0xf4000000 64M LBC SDRAM Second half 105 */ 106 SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE + 0x4000000, 107 CONFIG_SYS_LBC_SDRAM_BASE + 0x4000000, 108 MAS3_SX|MAS3_SW|MAS3_SR, 0, 109 0, 6, BOOKE_PAGESZ_64M, 1), 110 111 /* 112 * TLB 7: 16M Cacheable, non-guarded 113 * 0xf8000000 1M 7-segment LED display 114 * 0xf8100000 1M User switches 115 * 0xf8300000 1M Board revision 116 * 0xf8b00000 1M EEPROM 117 */ 118 SET_TLB_ENTRY(1, CONFIG_SYS_EPLD_BASE, CONFIG_SYS_EPLD_BASE, 119 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 120 0, 7, BOOKE_PAGESZ_16M, 1), 121 122 /* 123 * TLB 8: 4M Non-cacheable, guarded 124 * 0xfb800000 4M 1st 4MB block of 64MB user FLASH 125 */ 126 SET_TLB_ENTRY(1, CONFIG_SYS_ALT_FLASH, CONFIG_SYS_ALT_FLASH, 127 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 128 0, 8, BOOKE_PAGESZ_4M, 1), 129 130 /* 131 * TLB 9: 4M Non-cacheable, guarded 132 * 0xfbc00000 4M 2nd 4MB block of 64MB user FLASH 133 */ 134 SET_TLB_ENTRY(1, CONFIG_SYS_ALT_FLASH + 0x400000, 135 CONFIG_SYS_ALT_FLASH + 0x400000, 136 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 137 0, 9, BOOKE_PAGESZ_4M, 1), 138 139 }; 140 141 int num_tlb_entries = ARRAY_SIZE(tlb_table); 142