| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2004, Psyent Corporation <www.psyent.com> |
| 3 | * Scott McNutt <smcnutt@psyent.com> |
| 4 | * |
| Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame^] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <config.h> |
| 9 | |
| 10 | .text |
| 11 | |
| 12 | .global flush_dcache |
| 13 | |
| 14 | flush_dcache: |
| 15 | add r5, r5, r4 |
| Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 16 | movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| 17 | ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) |
| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 18 | 0: flushd 0(r4) |
| 19 | add r4, r4, r8 |
| 20 | bltu r4, r5, 0b |
| 21 | ret |
| 22 | |
| 23 | |
| 24 | .global flush_icache |
| 25 | |
| 26 | flush_icache: |
| 27 | add r5, r5, r4 |
| Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 28 | movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) |
| 29 | ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) |
| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 30 | 1: flushi r4 |
| 31 | add r4, r4, r8 |
| 32 | bltu r4, r5, 1b |
| 33 | ret |
| 34 | |
| Stefan Kristiansson | 8875833 | 2011-11-04 14:38:08 +0200 | [diff] [blame] | 35 | .global flush_dcache_range |
| 36 | |
| 37 | flush_dcache_range: |
| 38 | movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| 39 | ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) |
| 40 | 0: flushd 0(r4) |
| 41 | add r4, r4, r8 |
| 42 | bltu r4, r5, 0b |
| 43 | ret |
| 44 | |
| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 45 | .global flush_cache |
| 46 | |
| 47 | flush_cache: |
| 48 | add r5, r5, r4 |
| 49 | mov r9, r4 |
| 50 | mov r10, r5 |
| 51 | |
| Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 52 | movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) |
| 53 | ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) |
| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 54 | 0: flushd 0(r4) |
| 55 | add r4, r4, r8 |
| 56 | bltu r4, r5, 0b |
| 57 | |
| 58 | mov r4, r9 |
| 59 | mov r5, r10 |
| Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 60 | movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) |
| 61 | ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) |
| wdenk | 5c952cf | 2004-10-10 21:27:30 +0000 | [diff] [blame] | 62 | 1: flushi r4 |
| 63 | add r4, r4, r8 |
| 64 | bltu r4, r5, 1b |
| 65 | |
| 66 | sync |
| 67 | flushp |
| 68 | ret |