diff options
Diffstat (limited to 'board/sbc8560')
| -rw-r--r-- | board/sbc8560/Makefile | 4 | ||||
| -rw-r--r-- | board/sbc8560/init.S | 165 | ||||
| -rw-r--r-- | board/sbc8560/law.c | 60 | ||||
| -rw-r--r-- | board/sbc8560/tlb.c | 65 | ||||
| -rw-r--r-- | board/sbc8560/u-boot.lds | 2 |
5 files changed, 126 insertions, 170 deletions
diff --git a/board/sbc8560/Makefile b/board/sbc8560/Makefile index 1596525..4b2a9f6 100644 --- a/board/sbc8560/Makefile +++ b/board/sbc8560/Makefile @@ -28,9 +28,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o -SOBJS := init.o -#SOBJS := +COBJS := $(BOARD).o law.o tlb.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/sbc8560/init.S b/board/sbc8560/init.S deleted file mode 100644 index 95cb85a..0000000 --- a/board/sbc8560/init.S +++ /dev/null @@ -1,165 +0,0 @@ -/* -* Copyright (C) 2002,2003, Motorola Inc. -* Xianghua Xiao <X.Xiao@motorola.com> -* -* (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>. -* Added support for Wind River SBC8560 board -* -* 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 <ppc_asm.tmpl> -#include <ppc_defs.h> -#include <asm/cache.h> -#include <asm/mmu.h> -#include <config.h> -#include <mpc85xx.h> - -#define entry_start \ - mflr r1 ; \ - bl 0f ; - -#define entry_end \ -0: mflr r0 ; \ - 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" - .globl tlb1_entry - -tlb1_entry: - entry_start - - .long 0x08 /* the following data table uses a few of 16 TLB entries */ - -/* TLB for CCSRBAR (IMMR) */ - - .long FSL_BOOKE_MAS0(1,1,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_1M) - .long FSL_BOOKE_MAS2(CFG_CCSRBAR,(MAS2_I|MAS2_G)) - .long FSL_BOOKE_MAS3(CFG_CCSRBAR,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - -/* TLB for Local Bus stuff, just map the whole 512M */ -/* note that the LBC SDRAM is cache-inhibit and guarded, like everything else */ - - .long FSL_BOOKE_MAS0(1,2,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M) - .long FSL_BOOKE_MAS2(0xe0000000,(MAS2_I|MAS2_G)) - .long FSL_BOOKE_MAS3(0xe0000000,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - - .long FSL_BOOKE_MAS0(1,3,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M) - .long FSL_BOOKE_MAS2(0xf0000000,(MAS2_I|MAS2_G)) - .long FSL_BOOKE_MAS3(0xf0000000,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - -#if !defined(CONFIG_SPD_EEPROM) - .long FSL_BOOKE_MAS0(1,4,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M) - .long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE,0) - .long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - - .long FSL_BOOKE_MAS0(1,5,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M) - .long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE+0x10000000,0) - .long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE+0x10000000,0,(MAS3_SX|MAS3_SW|MAS3_SR)) -#else - .long FSL_BOOKE_MAS0(1,4,0) - .long FSL_BOOKE_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) - .long FSL_BOOKE_MAS2(0,0) - .long FSL_BOOKE_MAS3(0,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - - .long FSL_BOOKE_MAS0(1,5,0) - .long FSL_BOOKE_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) - .long FSL_BOOKE_MAS2(0,0) - .long FSL_BOOKE_MAS3(0,0,(MAS3_SX|MAS3_SW|MAS3_SR)) -#endif - - .long FSL_BOOKE_MAS0(1,6,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_16K) -#ifdef CONFIG_L2_INIT_RAM - .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR,0,0,0,1,0,0,0,0) -#else - .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR,0) -#endif - .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - - .long FSL_BOOKE_MAS0(1,7,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M) - .long FSL_BOOKE_MAS2(CFG_PCI_MEM_BASE,(MAS2_I|MAS2_G)) - .long FSL_BOOKE_MAS3(CFG_PCI_MEM_BASE,0,(MAS3_SX|MAS3_SW|MAS3_SR)) - -#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR) - .long FSL_BOOKE_MAS0(1,15,0) - .long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_1M) - .long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT,(MAS2_I|MAS2_G)) - .long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT,0,(MAS3_SX|MAS3_SW|MAS3_SR)) -#else - .long FSL_BOOKE_MAS0(1,15,0) - .long FSL_BOOKE_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) - .long FSL_BOOKE_MAS2(0,0) - .long FSL_BOOKE_MAS3(0,0,(MAS3_SX|MAS3_SW|MAS3_SR)) -#endif - entry_end diff --git a/board/sbc8560/law.c b/board/sbc8560/law.c new file mode 100644 index 0000000..e370853 --- /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_PHYS, 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); diff --git a/board/sbc8560/tlb.c b/board/sbc8560/tlb.c new file mode 100644 index 0000000..155ff64 --- /dev/null +++ b/board/sbc8560/tlb.c @@ -0,0 +1,65 @@ +/* + * 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/mmu.h> + +struct fsl_e_tlb_entry tlb_table[] = { +/* TLB for CCSRBAR (IMMR) */ + SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1M, 1), + +/* TLB for Local Bus stuff, just map the whole 512M */ +/* note that the LBC SDRAM is cache-inhibit and guarded, like everything else */ + + SET_TLB_ENTRY(1, 0xe0000000, 0xe0000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, 0xf0000000, 0xf0000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + +#if !defined(CONFIG_SPD_EEPROM) + SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 4, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE + 0x10000000, CFG_DDR_SDRAM_BASE + 0x10000000, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 5, BOOKE_PAGESZ_256M, 1), +#endif + + SET_TLB_ENTRY(1, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 6, BOOKE_PAGESZ_16K, 1), + + SET_TLB_ENTRY(1, CFG_PCI_MEM_PHYS, CFG_PCI_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_256M, 1), +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); diff --git a/board/sbc8560/u-boot.lds b/board/sbc8560/u-boot.lds index 449fed8..f3dbf26 100644 --- a/board/sbc8560/u-boot.lds +++ b/board/sbc8560/u-boot.lds @@ -38,7 +38,6 @@ SECTIONS .bootpg 0xFFFFF000 : { cpu/mpc85xx/start.o (.bootpg) - board/sbc8560/init.o (.bootpg) } = 0xffff /* Read-only sections, merged into text segment: */ @@ -68,7 +67,6 @@ SECTIONS .text : { cpu/mpc85xx/start.o (.text) - board/sbc8560/init.o (.text) cpu/mpc85xx/commproc.o (.text) cpu/mpc85xx/traps.o (.text) cpu/mpc85xx/interrupts.o (.text) |