/*!
* ======== InterruptM3_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptM3_intSend(UInt16 remoteProcId, UArg arg)
{
Log_print2(Diags_USER1,
"InterruptM3_intSend: Sending interrupt with payload 0x%x to proc #%d",
(IArg)arg, (IArg)remoteProcId);
if (remoteProcId == sysm3ProcId) {
while(REG32(MAILBOX_FIFOSTATUS(SYSM3_MBX)));
REG32(MAILBOX_MESSAGE(SYSM3_MBX)) = arg;
}
else if (remoteProcId == appm3ProcId) {
while(REG32(MAILBOX_FIFOSTATUS(APPM3_MBX)));
/* Write to the mailbox, but this won't trigger an interrupt */
REG32(MAILBOX_MESSAGE(APPM3_MBX)) = arg;
/* Actually trigger the interrupt */
REG16(INTERRUPT_CORE_1) |= 0x1;
}
else if (remoteProcId == dspProcId) {
while(REG32(MAILBOX_FIFOSTATUS(DSP_MBX)));
REG32(MAILBOX_MESSAGE(DSP_MBX)) = arg;
}
else if (remoteProcId == hostProcId) {
while(REG32(MAILBOX_FIFOSTATUS(HOST_MBX)));
REG32(MAILBOX_MESSAGE(HOST_MBX)) = arg;
}
else {
/* Should never get here */
Assert_isTrue(FALSE, NULL);
}
}
/*
* MAILBOX 0: ARM -> DSP,
* MAILBOX 1: ARM <- DSP.
* MAILBOX 2: ARM -> IVA,
* MAILBOX 3: ARM <- IVA.
* MAILBOX 4: ARM -> wrigley c55,
* MAILBOX 5: ARM <- wrigley c55,
*/
/* FIXME: the following structs should be filled automatically by the user id */
/* DSP */
static struct omap_mbox2_priv omap2_mbox_dsp_priv = {
.tx_fifo = {
.msg = MAILBOX_MESSAGE(0),
.fifo_stat = MAILBOX_FIFOSTATUS(0),
},
.rx_fifo = {
.msg = MAILBOX_MESSAGE(1),
.msg_stat = MAILBOX_MSGSTATUS(1),
},
.irqenable = MAILBOX_IRQENABLE(0),
.irqstatus = MAILBOX_IRQSTATUS(0),
.notfull_bit = MAILBOX_IRQ_NOTFULL(0),
.newmsg_bit = MAILBOX_IRQ_NEWMSG(1),
.irqdisable = MAILBOX_IRQENABLE(0),
};
/* OMAP4 specific data structure. Use the cpu_is_omap4xxx()
static inline unsigned int fifo_full(void __iomem *mbox_base, int mbox_id)
{
return __raw_readl(mbox_base + MAILBOX_FIFOSTATUS(mbox_id)) & 0x1;
}
/*!
* ======== InterruptIpu_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptIpu_intSend(UInt arg)
{
while(REG32(MAILBOX_FIFOSTATUS(M3_TO_HOST_MBX)));
REG32(MAILBOX_MESSAGE(M3_TO_HOST_MBX)) = arg;
}