diff options
| author | Michael Sevakis <jethead71@rockbox.org> | 2008-05-13 14:05:28 +0000 |
|---|---|---|
| committer | Michael Sevakis <jethead71@rockbox.org> | 2008-05-13 14:05:28 +0000 |
| commit | 50ad3425308fbdd194dcda985e3cc50826958cd2 (patch) | |
| tree | f2e7f750b04bcd67291223d0b972ee1beb4f21d1 | |
| parent | bc186c1a6bd1f40739147b1ae6a388b7383764cb (diff) | |
Gigabeat S system setup changes. Unaligned loads/stores on. Mixed-endian support on. VIC on early.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17495 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/imx31/crt0.S | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/firmware/target/arm/imx31/crt0.S b/firmware/target/arm/imx31/crt0.S index 101c9799e2..f319adb668 100644 --- a/firmware/target/arm/imx31/crt0.S +++ b/firmware/target/arm/imx31/crt0.S @@ -200,25 +200,29 @@ remap_start: mrc p15, 0, r0, c1, c0, 0 bic r0, r0, #((1 << 29) | /* AF by AP disabled */ \ (1 << 28) | /* TEX remap disabled */ \ - (1 << 24) | /* Vectored interrupt OFF */ \ - (1 << 23) | /* Sub AP bits enabled (compatible) */ \ - (1 << 22)) /* Unaligned access support disabled */ + (1 << 23)) /* Sub AP bits enabled (compatible) */ bic r0, r0, #((1 << 21) | /* All performance features enabled */ \ (1 << 15)) /* Loads to PC set T bit */ bic r0, r0, #((1 << 13)) /* Low vectors */ + bic r0, r0, #((1 << 1)) /* Strict alignment disabled */ + orr r0, r0, #((1 << 24) | /* Vectored interrupt ON */ \ + (1 << 22)) /* Unaligned access support enabled */ orr r0, r0, #((1 << 14) | /* Round-robin replacement for I/D caches */ \ (1 << 12) | /* L1 I-cache enabled */ \ (1 << 11) | /* Program flow prediction enabled */ \ (1 << 9) | /* ROM protection enabled */ \ (1 << 8)) /* MMU protection enabled */ orr r0, r0, #((1 << 2) | /* L1 D-cache enabled */ \ - (1 << 1) | /* Strict alignment enabled */ \ (1 << 0)) /* MMU enabled */ mcr p15, 0, r0, c1, c0, 0 nop nop nop nop + nop + nop + nop + nop ldr pc, L_post_remap L_post_remap: .word remap_end |