diff options
| -rw-r--r-- | firmware/crt0.S | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/firmware/crt0.S b/firmware/crt0.S index e33faa6..f66a0fb 100644 --- a/firmware/crt0.S +++ b/firmware/crt0.S @@ -16,10 +16,43 @@ * KIND, either express or implied. * ****************************************************************************/ + #include "config.h" + #include "cpu.h" .section .init.text .global start start: - /* We begin with some tricks. If we have built our code to be loaded +#ifdef IRIVER_H100 + /* Platform: iRiver H1xx */ + move.w #0x2700,%sr + + move.l #MBAR+1,%d0 + movec.l %d0,%mbar + + move.l #MBAR2+1,%d0 + movec.l %d0,%mbar2 + + /* Test code: blink the backlight */ + lea MBAR2,%a0 + move.l #0x00020000,%d0 + move.l %d0,(0xbc,%a0) /* Function = 1 */ + move.l %d0,(0xb8,%a0) /* Enable = 1 */ + +.blinkloop: + eor.l %d0,(0xb4,%a0) + + move.l #2000000,%d2 +.delay: + subq.l #1,%d2 + bne .delay + jmp .blinkloop + + .section .resetvectors +vectors: + .long _stackend + .long start +#else + /* Platform: Archos Jukebox + * We begin with some tricks. If we have built our code to be loaded * via the standalone GDB stub, we will have out VBR at some other * location than 0x9000000. We must copy the trap vectors for the * GDB stub to our vector table. @@ -185,3 +218,4 @@ vectors: .long _stackend .long start .long _stackend +#endif |