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AS3525 : fix interrupts support (but leave them disabled)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18979 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2008-11-02 17:11:33 +00:00
parent 99d39f5c3a
commit aa061bc192
2 changed files with 60 additions and 15 deletions
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32
firmware/target/arm/as3525/system-as3525.c
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@ -87,10 +87,12 @@ static const char * const irqname[] =
static void UIRQ(void)
{
/* TODO
unsigned int offset = INTOFFSET;
panicf("Unhandled IRQ %02X: %s", offset, irqname[offset]);
*/
unsigned int irq_no = 0;
int status = VIC_IRQ_STATUS;
while((status >>= 1))
irq_no++;
panicf("Unhandled IRQ %02X: %s", irq_no, irqname[irq_no]);
}
void irq_handler(void)
@ -102,16 +104,12 @@ void irq_handler(void)
asm volatile( "stmfd sp!, {r0-r7, ip, lr} \n" /* Store context */
"sub sp, sp, #8 \n"); /* Reserve stack */
/* TODO */
#if 0
int irq_no = INTOFFSET; /* Read clears the corresponding IRQ status */
#else
int irq_no = 69;
#endif
if ((irq_no & (1<<31)) == 0) /* Ensure invalid flag is not set */
{
irqvector[irq_no]();
}
unsigned int irq_no = 0;
int status = VIC_IRQ_STATUS;
while((status >>= 1))
irq_no++;
irqvector[irq_no]();
asm volatile( "add sp, sp, #8 \n" /* Cleanup stack */
"ldmfd sp!, {r0-r7, ip, lr} \n" /* Restore context */
@ -228,6 +226,12 @@ void system_init(void)
sdram_init();
CGU_PERI |= (5<<2)|0x01; /* pclk = PLLA / 6 = 64 MHz */
#if 0 /* we don't use interrupts at the moment */
/* enable VIC */
CGU_PERI |= CGU_VIC_CLOCK_ENABLE;
VIC_INT_SELECT = 0; /* only IRQ, no FIQ */
#endif
}
void system_reboot(void)