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其实32M用得好,是非常够用的,这样会省下一些事的。
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/* Memory Map for ti.platforms.evmOMAPL138
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* C000_0000 - C7FF_FFFF 800_0000 ( 128 MB) External Memory" C0 s9 u% U" x8 s ]( e
* ------------------------------------------------------------------------
1 g( e7 C! }$ c* X$ T; C2 i * C000_0000 - C1FF_FFFF 200_0000 ( 32 MB) Linux! F& x( k1 y1 e# n6 W( C& n
* C200_0000 - C200_FFFF 1_0000 ( 64 KB) SR_0 (ipc)
. `; X! E; [" Q3 Y * C201_0000 - C2FF_FFFF FF_0000 ( ~15 MB) SR_1 (program shared region)
- T! B. e+ b" ?' c5 z- {/ U * C300_0000 - C37F_FFFF 80_0000 ( 8 MB) DSP_PROG (code, data), M; a8 V* Y- n" @. w
* C380_0000 - C3FF_FFFF 80_0000 ( 8 MB) SR_2 (program shared region), r! k) S8 p/ q
* C400_0000 - C7FF_FFFF 400_0000 ( 64 MB) Linux' B, v) H& e* P6 c( s/ j9 }0 K4 S
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Dsp.cfg:% h" e1 G; D9 `% Q9 e
/* configure external memory cache property
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/ \: j8 n& P& q( a& G, } * C000_0000 - C7FF_FFFF 800_0000 ( 128 MB) Cache.MAR192_223/ ]) u( ~- C- ]( F7 K2 ?
* ----------------------------------------------------------------------------
; U5 Q; M* | o' `: r3 P * C000_0000 - C1FF_FFFF 200_0000 ( 32 MB) -------- don't care* x6 h/ g0 @* X" [
* C200_0000 - C200_FFFF 1_0000 ( 64 KB) SR_0 no-cache MAR1947 V, u! f6 A% A ]( g5 q; h. s8 C
* C201_0000 - C2FF_FFFF FF_0000 ( ~15 MB) SR_1 no-cache MAR194
$ o. A) D6 l- y. J ]0 e H. _% X * C300_0000 - C37F_FFFF 80_0000 ( 8 MB) DSP_PROG cache enable MAR195+ f4 z6 y/ d* R+ L, I9 q
* C380_0000 - C3FF_FFFF 80_0000 ( 8 MB) SR_2 cache enable MAR1950 c% @0 m$ r# s* o+ O" r% ]! P
* C400_0000 - C7FF_FFFF 400_0000 ( 64 MB) -------- don't care
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