From e2b159d0070ee06e4ac7e2f9381d3e8e542e614a Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 16 Jan 2008 09:05:27 -0600 Subject: 85xx: convert SBC8540/SBC8560/SBC8548 over to use new LAW init code Signed-off-by: Kumar Gala --- board/sbc8548/law.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 board/sbc8548/law.c (limited to 'board/sbc8548/law.c') diff --git a/board/sbc8548/law.c b/board/sbc8548/law.c new file mode 100644 index 0000000..6bf4199 --- /dev/null +++ b/board/sbc8548/law.c @@ -0,0 +1,57 @@ +/* + * Copyright 2008 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 +#include +#include + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x0fff_ffff DDR 256M + * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M + * 0xe000_0000 0xe000_ffff CCSR 1M + * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M + * 0xf000_0000 0xf7ff_ffff SDRAM 128M + * 0xf8b0_0000 0xf80f_ffff EEPROM 1M + * 0xfb80_0000 0xff7f_ffff FLASH (2nd bank) 64M + * 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M + * + * Notes: + * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + */ + +struct law_entry law_table[] = { +#ifndef CONFIG_SPD_EEPROM + SET_LAW_ENTRY(1, CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR), +#endif + SET_LAW_ENTRY(2, CFG_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI), + SET_LAW_ENTRY(3, CFG_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI), + /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ + SET_LAW_ENTRY(4, CFG_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC), +}; + +int num_law_entries = ARRAY_SIZE(law_table); -- cgit v1.1