projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c952cf0 WD |
1 | /* |
| 2 | * (C) Copyright 2004, Psyent Corporation <www.psyent.com> | |
| 3 | * Scott McNutt <[email protected]> | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #include <config.h> | |
| 25 | ||
| 26 | .text | |
| 27 | ||
| 28 | .global flush_dcache | |
| 29 | ||
| 30 | flush_dcache: | |
| 31 | add r5, r5, r4 | |
| 6d0f6bcf JCPV |
32 | movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| 33 | ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) | |
| 5c952cf0 WD |
34 | 0: flushd 0(r4) |
| 35 | add r4, r4, r8 | |
| 36 | bltu r4, r5, 0b | |
| 37 | ret | |
| 38 | ||
| 39 | ||
| 40 | .global flush_icache | |
| 41 | ||
| 42 | flush_icache: | |
| 43 | add r5, r5, r4 | |
| 6d0f6bcf JCPV |
44 | movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) |
| 45 | ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) | |
| 5c952cf0 WD |
46 | 1: flushi r4 |
| 47 | add r4, r4, r8 | |
| 48 | bltu r4, r5, 1b | |
| 49 | ret | |
| 50 | ||
| 51 | .global flush_cache | |
| 52 | ||
| 53 | flush_cache: | |
| 54 | add r5, r5, r4 | |
| 55 | mov r9, r4 | |
| 56 | mov r10, r5 | |
| 57 | ||
| 6d0f6bcf JCPV |
58 | movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| 59 | ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) | |
| 5c952cf0 WD |
60 | 0: flushd 0(r4) |
| 61 | add r4, r4, r8 | |
| 62 | bltu r4, r5, 0b | |
| 63 | ||
| 64 | mov r4, r9 | |
| 65 | mov r5, r10 | |
| 6d0f6bcf JCPV |
66 | movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) |
| 67 | ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) | |
| 5c952cf0 WD |
68 | 1: flushi r4 |
| 69 | add r4, r4, r8 | |
| 70 | bltu r4, r5, 1b | |
| 71 | ||
| 72 | sync | |
| 73 | flushp | |
| 74 | ret |