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Enable IRAM on TCC7801 (Cowon D2) for a 6-12% speedup in codecs that use it, and a small increase in battery life.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26436 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rob Purchase 2010-05-31 21:00:25 +00:00
parent 64adb32cbf
commit a6c1b54d46
4 changed files with 11 additions and 10 deletions
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4
firmware/target/arm/tcc780x/crt0.S
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@ -155,8 +155,8 @@ copied_start:
ldr r0, =0x8001eec0 /* Region 6: 0x80000000-0xffffffff (2Gb) */
str r0, [r1,#0x18] /* AP: 3 EN: 1 DO: 6 CACHE_NONE */
ldr r0, =0x1001aee0 /* Region 7: 0x10000000-0x17ffffff (128Mb) */
str r0, [r1,#0x1c] /* AP: 3 EN: 1 DO: 7 CACHE_NONE */
ldr r0, =0x1001aeec /* Region 7: 0x10000000-0x17ffffff (128Mb) */
str r0, [r1,#0x1c] /* AP: 3 EN: 1 DO: 7 CACHE_ALL */
add r1, r1, #0x8000
mcr p15, 0, r1, c2, c0, 0 /* Set TTBR = TABBASE (Virtual TLB) */