/* * File: arch/blackfin/mach-common/cacheinit.S * Based on: * Author: LG Soft India * * Created: ? * Description: cache initialization * * Modified: * Copyright 2004-2006 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * 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, see the file COPYING, or write * to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* This function sets up the data and instruction cache. The * tables like icplb table, dcplb table and Page Descriptor table * are defined in cplbtab.h. You can configure those tables for * your suitable requirements */ #include #include .text #if ANOMALY_05000125 #if defined(CONFIG_BFIN_ICACHE) ENTRY(_bfin_write_IMEM_CONTROL) /* Enable Instruction Cache */ P0.l = LO(IMEM_CONTROL); P0.h = HI(IMEM_CONTROL); /* Anomaly 05000125 */ CLI R1; SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ .align 8; [P0] = R0; SSYNC; STI R1; RTS; ENDPROC(_bfin_write_IMEM_CONTROL) #endif #if defined(CONFIG_BFIN_DCACHE) ENTRY(_bfin_write_DMEM_CONTROL) P0.l = LO(DMEM_CONTROL); P0.h = HI(DMEM_CONTROL); CLI R1; SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ .align 8; [P0] = R0; SSYNC; STI R1; RTS; ENDPROC(_bfin_write_DMEM_CONTROL) #endif #endif