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/fsl_law.h> 28 #include <asm/mmu.h> 29 30 /* 31 * LAW(Local Access Window) configuration: 32 * 33 * 0x0000_0000 0x0fff_ffff DDR 256M 34 * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M 35 * 0xa000_0000 0xbfff_ffff PCIe MEM 512M 36 * 0xe000_0000 0xe000_ffff CCSR 1M 37 * 0xe200_0000 0xe27f_ffff PCI1 IO 8M 38 * 0xe280_0000 0xe2ff_ffff PCIe IO 8M 39 * 0xec00_0000 0xefff_ffff FLASH (2nd bank) 64M 40 * 0xf000_0000 0xf7ff_ffff SDRAM 128M 41 * 0xf8b0_0000 0xf80f_ffff EEPROM 1M 42 * 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M 43 * 44 * If swapped CS0/CS6 via JP12+SW2.8: 45 * 0xef80_0000 0xefff_ffff FLASH (2nd bank) 8M 46 * 0xfc00_0000 0xffff_ffff FLASH (boot bank) 64M 47 * 48 * Notes: 49 * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window. 50 * If flash is 8M at default position (last 8M), no LAW needed. 51 */ 52 53 struct law_entry law_table[] = { 54 #ifdef CONFIG_SYS_ALT_BOOT 55 SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_8M, LAW_TRGT_IF_LBC), 56 #else 57 SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_64M, LAW_TRGT_IF_LBC), 58 #endif 59 #ifndef CONFIG_SPD_EEPROM 60 SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR), 61 #endif 62 #ifdef CONFIG_SYS_LBC_SDRAM_BASE 63 /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ 64 SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC), 65 #else 66 /* LBC window - maps 128M 0xf8000000 -> 0xffffffff */ 67 SET_LAW(CONFIG_SYS_EPLD_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC), 68 #endif 69 }; 70 71 int num_law_entries = ARRAY_SIZE(law_table); 72