diff options
| author | Rob Purchase <shotofadds@rockbox.org> | 2010-05-31 21:00:25 +0000 |
|---|---|---|
| committer | Rob Purchase <shotofadds@rockbox.org> | 2010-05-31 21:00:25 +0000 |
| commit | a6c1b54d4651920efdafd52a402fadf0f80b373c (patch) | |
| tree | 115f197e177e62ae472640131eee0f8699f85136 /firmware/target/arm/tcc780x/crt0.S | |
| parent | 64adb32cbfc805c01084ff935049998846c70dcd (diff) | |
| download | rockbox-a6c1b54d4651920efdafd52a402fadf0f80b373c.tar.gz rockbox-a6c1b54d4651920efdafd52a402fadf0f80b373c.zip | |
Enable IRAM on TCC7801 (Cowon D2) for a 6-12% speedup in codecs that use it, and a small increase in battery life.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26436 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/tcc780x/crt0.S')
| -rw-r--r-- | firmware/target/arm/tcc780x/crt0.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/target/arm/tcc780x/crt0.S b/firmware/target/arm/tcc780x/crt0.S index b1608915f1..f6eb6afbe9 100644 --- a/firmware/target/arm/tcc780x/crt0.S +++ b/firmware/target/arm/tcc780x/crt0.S | |||
| @@ -155,8 +155,8 @@ copied_start: | |||
| 155 | ldr r0, =0x8001eec0 /* Region 6: 0x80000000-0xffffffff (2Gb) */ | 155 | ldr r0, =0x8001eec0 /* Region 6: 0x80000000-0xffffffff (2Gb) */ |
| 156 | str r0, [r1,#0x18] /* AP: 3 EN: 1 DO: 6 CACHE_NONE */ | 156 | str r0, [r1,#0x18] /* AP: 3 EN: 1 DO: 6 CACHE_NONE */ |
| 157 | 157 | ||
| 158 | ldr r0, =0x1001aee0 /* Region 7: 0x10000000-0x17ffffff (128Mb) */ | 158 | ldr r0, =0x1001aeec /* Region 7: 0x10000000-0x17ffffff (128Mb) */ |
| 159 | str r0, [r1,#0x1c] /* AP: 3 EN: 1 DO: 7 CACHE_NONE */ | 159 | str r0, [r1,#0x1c] /* AP: 3 EN: 1 DO: 7 CACHE_ALL */ |
| 160 | 160 | ||
| 161 | add r1, r1, #0x8000 | 161 | add r1, r1, #0x8000 |
| 162 | mcr p15, 0, r1, c2, c0, 0 /* Set TTBR = TABBASE (Virtual TLB) */ | 162 | mcr p15, 0, r1, c2, c0, 0 /* Set TTBR = TABBASE (Virtual TLB) */ |