forked from luck/tmp_suning_uos_patched
3bebca2d20
now all BLKFIN should be BFIN, should be no functional changes. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
78 lines
1.9 KiB
ArmAsm
78 lines
1.9 KiB
ArmAsm
/*
|
|
* 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 <linux/linkage.h>
|
|
#include <asm/blackfin.h>
|
|
|
|
.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
|