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			179 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			179 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /*
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| * Copyright (C) 2002,2003, Motorola Inc.
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| * Xianghua Xiao <X.Xiao@motorola.com>
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| *
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| * See file CREDITS for list of people who contributed to this
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| * project.
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| *
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| * This program is free software; you can redistribute it and/or
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| * modify it under the terms of the GNU General Public License as
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| * published by the Free Software Foundation; either version 2 of
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| * the License, or (at your option) any later version.
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| *
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| * This program is distributed in the hope that it will be useful,
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| * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
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| * GNU General Public License for more details.
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| *
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| * You should have received a copy of the GNU General Public License
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| * along with this program; if not, write to the Free Software
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| * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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| * MA 02111-1307 USA
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| */
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| 
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| #include <ppc_asm.tmpl>
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| #include <ppc_defs.h>
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| #include <asm/cache.h>
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| #include <asm/mmu.h>
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| #include <config.h>
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| #include <mpc85xx.h>
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| 
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| #define	entry_start \
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| 	mflr	r1 	;	\
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| 	bl	0f 	;
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| 
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| #define	entry_end \
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| 0:	mflr	r0	;	\
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| 	mtlr	r1	;	\
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| 	blr		;
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| 
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| /* TLB1 entries configuration: */
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| 
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| 	.section	.bootpg, "ax"
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| 	.globl	tlb1_entry
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| tlb1_entry:
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| 	entry_start
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| 
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| 	.long 0x0a	/* the following data table uses a few of 16 TLB entries */
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| 
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| 	.long TLB1_MAS0(1,1,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
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| 	.long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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|   #if defined(CFG_FLASH_PORT_WIDTH_16)
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| 	.long TLB1_MAS0(1,2,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
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| 	.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,3,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
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| 	.long TLB1_MAS2((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,0,1,0,1,0,1)
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|   #else
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| 	.long TLB1_MAS0(1,2,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M)
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| 	.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,3,0)
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| 	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
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| 	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
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| 	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
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|   #endif
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| 
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|   #if !defined(CONFIG_SPD_EEPROM)
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| 	.long TLB1_MAS0(1,4,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
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| 	.long TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
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| 	.long TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,5,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
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| 	.long TLB1_MAS2((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,0,0,0)
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| 	.long TLB1_MAS3((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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|   #else
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| 	.long TLB1_MAS0(1,4,0)
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| 	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
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| 	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
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| 	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,5,0)
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| 	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
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| 	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
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| 	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
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|   #endif
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| 
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| 	.long TLB1_MAS0(1,6,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
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|   #if defined(CONFIG_RAM_AS_FLASH)
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| 	.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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|   #else
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| 	.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
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|   #endif
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| 	.long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,7,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
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|   #ifdef CONFIG_L2_INIT_RAM
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| 	.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0)
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|   #else
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| 	.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0)
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|   #endif
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| 	.long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,8,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
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| 	.long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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| 	.long TLB1_MAS0(1,9,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
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| 	.long TLB1_MAS2(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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| 
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|   #if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
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| 	.long TLB1_MAS0(1,15,0)
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| 	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
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| 	.long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0)
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| 	.long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
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|   #else
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| 	.long TLB1_MAS0(1,15,0)
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| 	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
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| 	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
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| 	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
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|   #endif
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| 	entry_end
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| 
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| /* LAW(Local Access Window) configuration:
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|  * 0000_0000-0800_0000: DDR(128M) -or- larger
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|  * f000_0000-f3ff_ffff: PCI(256M)
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|  * f400_0000-f7ff_ffff: RapidIO(128M)
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|  * f800_0000-ffff_ffff: localbus(128M)
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|  *   f800_0000-fbff_ffff: LBC SDRAM(64M)
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|  *   fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
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|  *   fdf0_0000-fdff_ffff: CCSRBAR(1M)
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|  *   fe00_0000-ffff_ffff: Flash(32M)
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|  * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
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|  *       Window.
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|  * Note: If flash is 8M at default position(last 8M),no LAW needed.
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|  */
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| 
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| #if !defined(CONFIG_SPD_EEPROM)
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| #define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
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| #define LAWAR0 	(LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
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| #else
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| #define LAWBAR0 0
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| #define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
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| #endif
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| 
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| #define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
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| #define LAWAR1 	(LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
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| 
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| #if !defined(CONFIG_RAM_AS_FLASH)
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| #define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
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| #define LAWAR2 	(LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
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| #else
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| #define LAWBAR2 0
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| #define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
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| #endif
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| 
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| 	.section .bootpg, "ax"
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| 	.globl	law_entry
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| law_entry:
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| 	entry_start
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| 	.long 0x03
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| 	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
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| 	entry_end
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