| Revision 1735,
329 bytes
checked in by reyalp, 15 months ago
(diff) |
|
set props on a420
|
-
Property svn:eol-style set to
native
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| Line | |
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| 1 | .section .entry |
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| 2 | |
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| 3 | // Turn OFF SD Card power |
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| 4 | // to support autostart |
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| 5 | LDR R3, =0xC02200BC |
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| 6 | MOV R2, #0x44 |
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| 7 | STR R2, [R3] |
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| 8 | |
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| 9 | // looks like idle cycle is required for proper shutdown |
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| 10 | MOV R3, #0x8000 |
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| 11 | 1: |
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| 12 | SUB R3, R3, #1 |
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| 13 | CMP R3, #0 |
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| 14 | BNE 1b |
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| 15 | |
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| 16 | // ordinary startup... |
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| 17 | |
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| 18 | MOV SP, #0x1900 |
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| 19 | MOV R11, #0 |
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| 20 | B my_restart |
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