/* * Copyright 2004 Freescale Semiconductor. * Copyright 2002,2003, Motorola Inc. * * 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>/* * TLB0 and TLB1 Entries * * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR. * However, CCSRBAR is then relocated to CFG_CCSRBAR right after * these TLB entries are established. * * The TLB entries for DDR are dynamically setup in spd_sdram() * and use TLB1 Entries 8 through 15 as needed according to the * size of DDR memory. * * MAS0: tlbsel, esel, nv * MAS1: valid, iprot, tid, ts, tsize * MAS2: epn, sharen, x0, x1, w, i, m, g, e * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr */#define	entry_start \	mflr	r1 	;	\	bl	0f 	;#define	entry_end \0:	mflr	r0	;	\	mtlr	r1	;	\	blr		;	.section	.bootpg, "ax"	.globl	tlb1_entrytlb1_entry:	entry_start	/*	 * Number of TLB0 and TLB1 entries in the following table	 */	.long 13#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)	/*	 * TLB0		4K	Non-cacheable, guarded	 * 0xff700000	4K	Initial CCSRBAR mapping	 *	 * This ends up at a TLB0 Index==0 entry, and must not collide	 * with other TLB0 Entries.	 */	.long TLB1_MAS0(0, 0, 0)	.long TLB1_MAS1(1, 0, 0, 0, 0)	.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)#else#error("Update the number of table entries in tlb1_entry")#endif	/*	 * TLB0		16K	Cacheable, non-guarded	 * 0xd001_0000	16K	Temporary Global data for initialization	 *	 * Use four 4K TLB0 entries.  These entries must be cacheable	 * as they provide the bootstrap memory before the memory	 * controler and real memory have been configured.	 *	 * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,	 * and must not collide with other TLB0 entries.	 */	.long TLB1_MAS0(0, 0, 0)	.long TLB1_MAS1(1, 0, 0, 0, 0)	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),			0,0,0,0,0,0,0,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),			0,0,0,0,0,1,0,1,0,1)	.long TLB1_MAS0(0, 0, 0)	.long TLB1_MAS1(1, 0, 0, 0, 0)	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),			0,0,0,0,0,0,0,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),			0,0,0,0,0,1,0,1,0,1)	.long TLB1_MAS0(0, 0, 0)	.long TLB1_MAS1(1, 0, 0, 0, 0)	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),			0,0,0,0,0,0,0,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),			0,0,0,0,0,1,0,1,0,1)	.long TLB1_MAS0(0, 0, 0)	.long TLB1_MAS1(1, 0, 0, 0, 0)	.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),			0,0,0,0,0,0,0,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),			0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 0:	16M	Non-cacheable, guarded	 * 0xff000000	16M	FLASH	 * Out of reset this entry is only 4K.	 */	.long TLB1_MAS0(1, 0, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 1:	256M	Non-cacheable, guarded	 * 0x80000000	256M	PCI1 MEM First half	 */	.long TLB1_MAS0(1, 1, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 2:	256M	Non-cacheable, guarded	 * 0x90000000	256M	PCI1 MEM Second half	 */	.long TLB1_MAS0(1, 2, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE + 0x10000000),			0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE + 0x10000000),			0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 3:	256M	Non-cacheable, guarded	 * 0xa0000000	256M	PCI2 MEM First half	 */	.long TLB1_MAS0(1, 3, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_BASE), 0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 4:	256M	Non-cacheable, guarded	 * 0xb0000000	256M	PCI2 MEM Second half	 */	.long TLB1_MAS0(1, 4, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_BASE + 0x10000000),			0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_BASE + 0x10000000),			0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 5:	64M	Non-cacheable, guarded	 * 0xe000_0000	1M	CCSRBAR	 * 0xe200_0000	16M	PCI1 IO	 * 0xe300_0000	16M	PCI2 IO	 */	.long TLB1_MAS0(1, 5, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 6:	64M	Cacheable, non-guarded	 * 0xf000_0000	64M	LBC SDRAM	 */	.long TLB1_MAS0(1, 6, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)	.long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)	.long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)	/*	 * TLB 7:	1M	Non-cacheable, guarded	 * 0xf8000000	1M	CADMUS registers	 */	.long TLB1_MAS0(1, 7, 0)	.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1M)	.long TLB1_MAS2(E500_TLB_EPN(CADMUS_BASE_ADDR), 0,0,0,0,1,0,1,0)	.long TLB1_MAS3(E500_TLB_RPN(CADMUS_BASE_ADDR), 0,0,0,0,0,1,0,1,0,1)	entry_end/* * LAW(Local Access Window) configuration: * * 0x0000_0000     0x7fff_ffff     DDR                     2G * 0x8000_0000     0x9fff_ffff     PCI1 MEM                512M * 0xa000_0000     0xbfff_ffff     PCI2 MEM                512M * 0xe000_0000     0xe000_ffff     CCSR                    1M * 0xe200_0000     0xe20f_ffff     PCI1 IO                 1M * 0xe210_0000     0xe21f_ffff     PCI2 IO                 1M * 0xf000_0000     0xf7ff_ffff     SDRAM                   128M * 0xf800_0000     0xf80f_ffff     NVRAM/CADMUS (*)        1M * 0xff00_0000     0xff7f_ffff     FLASH (2nd bank)        8M * 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. * * The defines below are 1-off of the actual LAWAR0 usage. * So LAWAR3 define uses the LAWAR4 register in the ECM. */#define LAWBAR0 0#define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)#define LAWAR1 	(LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))#define LAWBAR2 ((CFG_PCI2_MEM_BASE>>12) & 0xfffff)#define LAWAR2 	(LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M))#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)#define LAWAR3 	(LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M))#define LAWBAR4 ((CFG_PCI2_IO_PHYS>>12) & 0xfffff)#define LAWAR4 	(LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M))/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */#define LAWBAR5 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)#define LAWAR5 	(LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))	.section .bootpg, "ax"	.globl	law_entrylaw_entry:	entry_start	.long 6	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3	.long LAWBAR4,LAWAR4,LAWBAR5,LAWAR5	entry_end