| /* |
| * (C) Copyright 2004, Psyent Corporation <www.psyent.com> |
| * Scott McNutt <smcnutt@psyent.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 <config.h> |
| |
| .text |
| |
| .global flush_dcache |
| |
| flush_dcache: |
| add r5, r5, r4 |
| movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) |
| 0: flushd 0(r4) |
| add r4, r4, r8 |
| bltu r4, r5, 0b |
| ret |
| |
| |
| .global flush_icache |
| |
| flush_icache: |
| add r5, r5, r4 |
| movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) |
| ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) |
| 1: flushi r4 |
| add r4, r4, r8 |
| bltu r4, r5, 1b |
| ret |
| |
| .global flush_cache |
| |
| flush_cache: |
| add r5, r5, r4 |
| mov r9, r4 |
| mov r10, r5 |
| |
| movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) |
| 0: flushd 0(r4) |
| add r4, r4, r8 |
| bltu r4, r5, 0b |
| |
| mov r4, r9 |
| mov r5, r10 |
| movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) |
| ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) |
| 1: flushi r4 |
| add r4, r4, r8 |
| bltu r4, r5, 1b |
| |
| sync |
| flushp |
| ret |