diff options
Diffstat (limited to 'board/freescale/mpc8540ads')
| -rw-r--r-- | board/freescale/mpc8540ads/Makefile | 3 | ||||
| -rw-r--r-- | board/freescale/mpc8540ads/init.S | 53 | ||||
| -rw-r--r-- | board/freescale/mpc8540ads/law.c | 58 |
3 files changed, 59 insertions, 55 deletions
diff --git a/board/freescale/mpc8540ads/Makefile b/board/freescale/mpc8540ads/Makefile index 2913650..0c8f470 100644 --- a/board/freescale/mpc8540ads/Makefile +++ b/board/freescale/mpc8540ads/Makefile @@ -25,9 +25,8 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o +COBJS := $(BOARD).o law.o SOBJS := init.o -#SOBJS := SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/freescale/mpc8540ads/init.S b/board/freescale/mpc8540ads/init.S index 74d71c6..c495f1e 100644 --- a/board/freescale/mpc8540ads/init.S +++ b/board/freescale/mpc8540ads/init.S @@ -210,56 +210,3 @@ tlb1_entry: #endif entry_end - -/* - * LAW(Local Access Window) configuration: - * - * 0x0000_0000 0x7fff_ffff DDR 2G - * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M - * 0xc000_0000 0xdfff_ffff RapidIO 512M - * 0xe000_0000 0xe000_ffff CCSR 1M - * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M - * 0xf000_0000 0xf7ff_ffff SDRAM 128M - * 0xf800_0000 0xf80f_ffff BCSR 1M - * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M - * - * 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. - */ - -#if !defined(CONFIG_SPD_EEPROM) -#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff) -#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) -#else -#define LAWBAR0 0 -#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN) -#endif - -#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff) -#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_512M)) - -/* - * This is not so much the SDRAM map as it is the whole localbus map. - */ -#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) -#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)) - -#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff) -#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_1M)) - -/* - * Rapid IO at 0xc000_0000 for 512 M - */ -#define LAWBAR4 ((CFG_RIO_MEM_BASE>>12) & 0xfffff) -#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M)) - - - .section .bootpg, "ax" - .globl law_entry -law_entry: - entry_start - .long 0x05 - .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3 - .long LAWBAR4,LAWAR4 - entry_end diff --git a/board/freescale/mpc8540ads/law.c b/board/freescale/mpc8540ads/law.c new file mode 100644 index 0000000..ab6a6f2 --- /dev/null +++ b/board/freescale/mpc8540ads/law.c @@ -0,0 +1,58 @@ +/* + * 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 <common.h> +#include <asm/fsl_law.h> +#include <asm/mmu.h> + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x7fff_ffff DDR 2G + * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M + * 0xc000_0000 0xdfff_ffff RapidIO 512M + * 0xe000_0000 0xe000_ffff CCSR 1M + * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M + * 0xf000_0000 0xf7ff_ffff SDRAM 128M + * 0xf800_0000 0xf80f_ffff BCSR 1M + * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M + * + * 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_128M, LAW_TRGT_IF_DDR), +#endif + SET_LAW_ENTRY(2, CFG_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI), + /* This is not so much the SDRAM map as it is the whole localbus map. */ + SET_LAW_ENTRY(3, CFG_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC), + SET_LAW_ENTRY(4, CFG_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI), + SET_LAW_ENTRY(5, CFG_RIO_MEM_BASE, LAWAR_SIZE_512M, LAW_TRGT_IF_RIO), +}; + +int num_law_entries = ARRAY_SIZE(law_table); |