diff options
Diffstat (limited to 'u-boot/board/freescale/mpc8641hpcn/law.c')
-rw-r--r-- | u-boot/board/freescale/mpc8641hpcn/law.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/u-boot/board/freescale/mpc8641hpcn/law.c b/u-boot/board/freescale/mpc8641hpcn/law.c new file mode 100644 index 0000000..08f1eb2 --- /dev/null +++ b/u-boot/board/freescale/mpc8641hpcn/law.c @@ -0,0 +1,60 @@ +/* + * Copyright 2008,2010-2011 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/fsl_law.h> +#include <asm/mmu.h> + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x7fff_ffff DDR 2G + * if PCI (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT) + * 0x8000_0000 0x9fff_ffff PCIE1 MEM 512M + * 0xa000_0000 0xbfff_ffff PCIE2 MEM 512M + * else if RIO (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT) + * 0x8000_0000 0x9fff_ffff RapidIO 512M + * endif + * (prepend 0xf_0000_0000 if CONFIG_PHYS_64BIT) + * 0xffc0_0000 0xffc0_ffff PCIE1 IO 64K + * 0xffc1_0000 0xffc1_ffff PCIE2 IO 64K + * 0xffe0_0000 0xffef_ffff CCSRBAR 1M + * 0xffdf_0000 0xffe0_0000 PIXIS, CF 64K + * 0xef80_0000 0xefff_ffff FLASH (boot bank) 8M + * + * Notes: + * CCSRBAR doesn't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + */ + +struct law_entry law_table[] = { +#if !defined(CONFIG_SPD_EEPROM) + SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1), +#endif + SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_LBC), + SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_LBC), +}; + +int num_law_entries = ARRAY_SIZE(law_table); |