|  | /* | 
|  | * (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/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" | 
|  |  | 
|  | /************************************************************************** | 
|  | * TLB table for revA | 
|  | *************************************************************************/ | 
|  | .globl tlbtabA | 
|  | tlbtabA: | 
|  | 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(0xff000000, SZ_16M, 0xff000000, 4, AC_RWX | SA_G) | 
|  |  | 
|  | /* | 
|  | * TLB entries for SDRAM are not needed on this platform. | 
|  | * They are dynamically generated in the SPD DDR(2) detection | 
|  | * routine. | 
|  | */ | 
|  |  | 
|  | tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_RWX | SA_I) | 
|  | tlbentry(CONFIG_SYS_FPGA_BASE, SZ_1K, 0xE2000000, 4,AC_RW | SA_I) | 
|  |  | 
|  | tlbentry(CONFIG_SYS_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_RWX | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_RW | SA_IG) | 
|  |  | 
|  | tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE_BASE, SZ_16K, 0x20000000, 0xC, AC_RW | SA_IG) | 
|  |  | 
|  | tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x40000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x80000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE2_CFGBASE, SZ_16M, 0xC0000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x50000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x90000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE2_XCFGBASE, SZ_1K, 0xD0000000, 0xC, AC_RW | SA_IG) | 
|  | tlbtab_end | 
|  |  | 
|  | /************************************************************************** | 
|  | * TLB table for revB | 
|  | * | 
|  | * Notice: revB of the 440SPe chip is very strict about PLB real addresses | 
|  | * and ranges to be mapped for config space: it seems to only work with | 
|  | * d_nnnn_nnnn range (hangs the core upon config transaction attempts when | 
|  | * set otherwise) while revA uses c_nnnn_nnnn. | 
|  | *************************************************************************/ | 
|  | .globl tlbtabB | 
|  | tlbtabB: | 
|  | 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(0xff000000, SZ_16M, 0xff000000, 4, AC_RWX | SA_G) | 
|  |  | 
|  | /* | 
|  | * TLB entries for SDRAM are not needed on this platform. | 
|  | * They are dynamically generated in the SPD DDR(2) detection | 
|  | * routine. | 
|  | */ | 
|  |  | 
|  | tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_RWX | SA_I) | 
|  | tlbentry(CONFIG_SYS_FPGA_BASE, SZ_1K, 0xE2000000, 4,AC_RW | SA_I) | 
|  |  | 
|  | tlbentry(CONFIG_SYS_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_RWX | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_RW | SA_IG) | 
|  |  | 
|  | tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_RW | SA_IG) | 
|  |  | 
|  | tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_RW | SA_IG) | 
|  | tlbentry(CONFIG_SYS_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_RW | SA_IG) | 
|  | tlbtab_end |