/* * (C) Copyright 2007 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> * * 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 <config.h> #include <asm-ppc/mmu.h> /************************************************************************** * TLB TABLE * * This table is used by the cpu boot code to setup the initial tlb * entries. Rather than make broad assumptions in the cpu source tree, * this table lets each board set things up however they like. * * Pointer to the table is returned in r1 * *************************************************************************/ .section .bootpg,"ax" .globl tlbtab tlbtab: tlbtab_start /* * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the * speed up boot process. It is patched after relocation to enable SA_I */ tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_R|AC_W|AC_X|SA_G) tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) tlbentry(CONFIG_SYS_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_R|AC_W|SA_G|SA_I) /* * TLB entries for SDRAM are not needed on this platform. * They are dynamically generated in the SPD DDR(2) detection * routine. */ /* internal ram (l2 cache) */ tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_I) /* peripherals at f0000000 */ tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, CONFIG_SYS_PERIPHERAL_BASE, 1, AC_R|AC_W|SA_G|SA_I) /* PCI */ tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 9, AC_R|AC_W|SA_G|SA_I) tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_R|AC_W|SA_G|SA_I) tlbtab_end