diff options
Diffstat (limited to 'board/sbc8560')
| -rw-r--r-- | board/sbc8560/Makefile | 3 | ||||
| -rw-r--r-- | board/sbc8560/init.S | 45 | ||||
| -rw-r--r-- | board/sbc8560/law.c | 60 |
3 files changed, 61 insertions, 47 deletions
diff --git a/board/sbc8560/Makefile b/board/sbc8560/Makefile index 1596525..c346fdf 100644 --- a/board/sbc8560/Makefile +++ b/board/sbc8560/Makefile @@ -28,9 +28,8 @@ 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/sbc8560/init.S b/board/sbc8560/init.S index 95cb85a..e149fbd 100644 --- a/board/sbc8560/init.S +++ b/board/sbc8560/init.S @@ -40,51 +40,6 @@ mtlr r1 ; \ blr ; - -/* LAW(Local Access Window) configuration: - * 0000_0000-0800_0000: DDR(512M) -or- larger - * c000_0000-cfff_ffff: PCI(256M) - * d000_0000-dfff_ffff: RapidIO(256M) - * e000_0000-ffff_ffff: localbus(512M) - * e000_0000-e3ff_ffff: LBC 64M, 32-bit flash on CS6 - * e400_0000-e7ff_ffff: LBC 64M, 32-bit flash on CS1 - * e800_0000-efff_ffff: LBC 128M, nothing here - * f000_0000-f3ff_ffff: LBC 64M, SDRAM on CS3 - * f400_0000-f7ff_ffff: LBC 64M, SDRAM on CS4 - * f800_0000-fdff_ffff: LBC 64M, nothing here - * fc00_0000-fcff_ffff: LBC 16M, CSR,RTC,UART,etc on CS5 - * fd00_0000-fdff_ffff: LBC 16M, nothing here - * fe00_0000-feff_ffff: LBC 16M, nothing here - * ff00_0000-ff6f_ffff: LBC 7M, nothing here - * ff70_0000-ff7f_ffff: CCSRBAR 1M - * ff80_0000-ffff_ffff: LBC 8M, 8-bit flash on CS0 - * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access - * Window. - * Note: 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_512M)) -#else - #define LAWBAR0 0 - #define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_512M)) & ~LAWAR_EN) -#endif - -#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff) -#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M)) - -#define LAWBAR2 ((0xe0000000>>12) & 0xfffff) -#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_512M)) - - .section .bootpg, "ax" - .globl law_entry -law_entry: - entry_start - .long 0x03 - .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2 - entry_end - /* TLB1 entries configuration: */ .section .bootpg, "ax" diff --git a/board/sbc8560/law.c b/board/sbc8560/law.c new file mode 100644 index 0000000..d1c6dc2 --- /dev/null +++ b/board/sbc8560/law.c @@ -0,0 +1,60 @@ +/* + * 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: + * 0000_0000-0800_0000: DDR(512M) -or- larger + * c000_0000-cfff_ffff: PCI(256M) + * d000_0000-dfff_ffff: RapidIO(256M) + * e000_0000-ffff_ffff: localbus(512M) + * e000_0000-e3ff_ffff: LBC 64M, 32-bit flash on CS6 + * e400_0000-e7ff_ffff: LBC 64M, 32-bit flash on CS1 + * e800_0000-efff_ffff: LBC 128M, nothing here + * f000_0000-f3ff_ffff: LBC 64M, SDRAM on CS3 + * f400_0000-f7ff_ffff: LBC 64M, SDRAM on CS4 + * f800_0000-fdff_ffff: LBC 64M, nothing here + * fc00_0000-fcff_ffff: LBC 16M, CSR,RTC,UART,etc on CS5 + * fd00_0000-fdff_ffff: LBC 16M, nothing here + * fe00_0000-feff_ffff: LBC 16M, nothing here + * ff00_0000-ff6f_ffff: LBC 7M, nothing here + * ff70_0000-ff7f_ffff: CCSRBAR 1M + * ff80_0000-ffff_ffff: LBC 8M, 8-bit flash on CS0 + * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access + * Window. + * Note: 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_512M, LAW_TRGT_IF_DDR), +#endif + SET_LAW_ENTRY(2, CFG_PCI_MEM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_PCI), + SET_LAW_ENTRY(3, CFG_LBC_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_LBC), +}; + +int num_law_entries = ARRAY_SIZE(law_table); |