source:
trunk/loader/ixus230_elph310hs/entry.S
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1567
| Revision 1567, 425 bytes checked in by philmoz, 17 months ago (diff) | |
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| 1 | .section .entry |
| 2 | |
| 3 | // Turn OFF SD Card power |
| 4 | // to support autostart. |
| 5 | LDR R3, =0xC0220130 |
| 6 | MOV R2, #0x44 |
| 7 | STR R2, [R3] |
| 8 | |
| 9 | // looks like idle cycle is required for proper shutdown |
| 10 | MOV R3, #0xF0000 // increased from 8000 to F0000 for extra delay for sx200 maybe could be 10000 ? |
| 11 | 1: |
| 12 | SUB R3, R3, #1 |
| 13 | CMP R3, #0 |
| 14 | BNE 1b |
| 15 | |
| 16 | // ordinary startup... |
| 17 | |
| 18 | MOV SP, #0x1900 |
| 19 | MOV R11, #0 |
| 20 | B my_restart |
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