/*!
* ======== InterruptDsp_intPost ========
*/
Void InterruptDsp_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (srcProcId == InterruptDsp_vpssProcId) {
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VPSS_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(VPSS_TO_DSP)) = arg;
}
Hwi_restore(key);
}
else if (srcProcId == InterruptDsp_videoProcId) {
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VIDEO_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(VIDEO_TO_DSP)) = arg;
}
Hwi_restore(key);
}
else { /* hostProcId */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(HOST_TO_DSP)) = arg;
}
Hwi_restore(key);
}
}
/*!
* ======== InterruptDsp_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptDsp_intSend(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
/*
* Before writing to a mailbox, check whehter it already contains a message
* If so, then don't write to the mailbox since we want one and only one
* message per interrupt. Disable interrupts between reading
* the MSGSTATUS_X register and writing to the mailbox to protect from
* another thread doing an intSend at the same time
*/
if (remoteProcId == InterruptDsp_hostProcId) {
/* Using mailbox 0 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_MPU)) == 0) {
REG32(MAILBOX_MESSAGE(DSP_TO_MPU)) = arg;
}
Hwi_restore(key);
}
else if (remoteProcId == InterruptDsp_core0ProcId) {
/* Using mailbox 1 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_M3)) == 0) {
REG32(MAILBOX_MESSAGE(DSP_TO_M3)) = arg;
}
Hwi_restore(key);
}
else {
Assert_isTrue(FALSE, ti_sdo_ipc_Ipc_A_internal);
}
}
/*!
* ======== 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);
}
}
/*
* ======== InterruptHost_intPost ========
*/
Void InterruptHost_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (srcProcId == InterruptHost_vpssProcId) { /* VPSS-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VPSS_TO_HOST)) == 0) {
REG32(MAILBOX_MESSAGE(VPSS_TO_HOST)) = arg;
}
Hwi_restore(key);
}
else if (srcProcId == InterruptHost_videoProcId) { /* VIDEO-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VIDEO_TO_HOST)) == 0) {
REG32(MAILBOX_MESSAGE(VIDEO_TO_HOST)) = arg;
}
Hwi_restore(key);
}
else if (srcProcId == InterruptHost_dspProcId) { /* DSP */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_HOST)) == 0) {
REG32(MAILBOX_MESSAGE(DSP_TO_HOST)) = arg;
}
Hwi_restore(key);
}
else { /* EVE */
key = Hwi_disable();
if (REG32(EVE_MAILBOX_STATUS(EVE_TO_HOST)) == 0) {
REG32(EVE_MAILBOX_MESSAGE(EVE_TO_HOST)) = arg;
}
Hwi_restore(key);
}
}
/*
* ======== InterruptHost_intClear ========
* Clear interrupt
*/
UInt InterruptHost_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
if (remoteProcId == InterruptHost_dspProcId) { /* DSP */
arg = REG32(MAILBOX_MESSAGE(DSP_TO_HOST));
REG32(MAILBOX_IRQSTATUS_CLR_HOST) = MAILBOX_REG_VAL(DSP_TO_HOST);
}
else if (remoteProcId == InterruptHost_videoProcId) { /* VIDEO-M3 */
arg = REG32(MAILBOX_MESSAGE(VIDEO_TO_HOST));
REG32(MAILBOX_IRQSTATUS_CLR_HOST) = MAILBOX_REG_VAL(VIDEO_TO_HOST);
}
else if (remoteProcId == InterruptHost_vpssProcId) { /* VPSS-M3 */
arg = REG32(MAILBOX_MESSAGE(VPSS_TO_HOST));
REG32(MAILBOX_IRQSTATUS_CLR_HOST) = MAILBOX_REG_VAL(VPSS_TO_HOST);
}
else { /* EVE */
arg = REG32(EVE_MAILBOX_MESSAGE(EVE_TO_HOST));
REG32(EVE_MAILBOX_IRQSTATUS_CLR_HOST) = MAILBOX_REG_VAL(EVE_TO_HOST);
/* Write to EOI (End Of Interrupt) register */
REG32(EVE_MAILBOX_EOI_REG) = 0x1;
}
return (arg);
}
/*!
* ======== InterruptDucati_intPost ========
* Simulate an interrupt from a remote processor
*/
Void InterruptDucati_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (srcProcId == InterruptDucati_videoProcId ||
srcProcId == InterruptDucati_vpssProcId) {
if (!(BIOS_smpEnabled) && (Core_getId() == 1)) {
/* VIDEO-M3 to VPSS-M3 */
REG16(INTERRUPT_VPSS) |= 0x1;
}
else {
/* VPSS-M3 to VIDEO-M3 */
REG16(INTERRUPT_VIDEO) |= 0x1;
}
}
else if (srcProcId == InterruptDucati_dspProcId) {
if (!(BIOS_smpEnabled) && (Core_getId() == 1)) {
/* DSP to VPSS-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_VPSS)) == 0) {
REG32(MAILBOX_MESSAGE(DSP_TO_VPSS)) = arg;
}
Hwi_restore(key);
}
else {
/* DSP to VIDEO-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_VIDEO)) == 0) {
REG32(MAILBOX_MESSAGE(DSP_TO_VIDEO)) = arg;
}
Hwi_restore(key);
}
}
else { /* HOSTINT */
if (!(BIOS_smpEnabled) && (Core_getId() == 1)) {
/* HOST to VPSS-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_VPSS)) == 0) {
REG32(MAILBOX_MESSAGE(HOST_TO_VPSS)) = arg;
}
Hwi_restore(key);
}
else {
/* HOST to VIDEO-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_VIDEO)) == 0) {
REG32(MAILBOX_MESSAGE(HOST_TO_VIDEO)) = arg;
}
Hwi_restore(key);
}
}
}
/*!
* ======== InterruptDucati_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptDucati_intSend(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (remoteProcId == InterruptDucati_videoProcId ||
remoteProcId == InterruptDucati_vpssProcId) {
if (!(BIOS_smpEnabled) && (Core_getId() == 1)) {
/* VPSS-M3 to VIDEO-M3 */
REG16(INTERRUPT_VIDEO) |= 0x1;
}
else {
/* VIDEO-M3 to VPSS-M3 */
REG16(INTERRUPT_VPSS) |= 0x1;
}
}
else if (remoteProcId == InterruptDucati_dspProcId) {
if (!(BIOS_smpEnabled) && (Core_getId() == 1)) {
/* VPSS-M3 to DSP */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VPSS_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(VPSS_TO_DSP)) = arg;
}
Hwi_restore(key);
}
else {
/* VIDEO-M3 to DSP */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VIDEO_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(VIDEO_TO_DSP)) = arg;
}
Hwi_restore(key);
}
}
else { /* HOSTINT */
if (!(BIOS_smpEnabled) && (Core_getId() == 1)) {
/* VPSS-M3 to HOST */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VPSS_TO_HOST)) == 0) {
REG32(MAILBOX_MESSAGE(VPSS_TO_HOST)) = arg;
}
Hwi_restore(key);
}
else {
/* VIDEO-M3 to HOST */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VIDEO_TO_HOST)) == 0) {
REG32(MAILBOX_MESSAGE(VIDEO_TO_HOST)) = arg;
}
Hwi_restore(key);
}
}
}
/*
* ======== InterruptHost_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptHost_intSend(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
/*
* Before writing to a mailbox, check whehter it already contains a message
* If so, then don't write to the mailbox since we want one and only one
* message per interrupt. Disable interrupts between reading
* the MSGSTATUS_X register and writing to the mailbox to protect from
* another thread doing an intSend at the same time
*
* Note regarding possible race condition between local 'intSend' and
* remote 'intClear':
* It is possible that we we read the MAILBOX_MSGSTATUS_X register during
* the remote side's intClear. Therefore, we might choose _not_ to send
* write to the mailbox even though the mailbox is about to be cleared a
* few cycles later. In this case, the interrupt will be lost.
* This is OK, however. intClear should always be called by the Notify
* driver _before_ shared memory is read, so the event will be picked up
* anyway by the previous interrupt that caused intClear to be called.
*/
if (remoteProcId == InterruptHost_dspProcId) { /* DSP */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(HOST_TO_DSP)) = arg;
}
Hwi_restore(key);
}
else if (remoteProcId == InterruptHost_videoProcId) { /* VIDEO-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_VIDEO)) == 0) {
REG32(MAILBOX_MESSAGE(HOST_TO_VIDEO)) = arg;
}
Hwi_restore(key);
}
else if (remoteProcId == InterruptHost_vpssProcId) { /* VPSS-M3 */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_VPSS)) == 0) {
REG32(MAILBOX_MESSAGE(HOST_TO_VPSS)) = arg;
}
Hwi_restore(key);
}
else { /* EVE */
key = Hwi_disable();
if (REG32(EVE_MAILBOX_STATUS(HOST_TO_EVE)) == 0) {
REG32(EVE_MAILBOX_MESSAGE(HOST_TO_EVE)) = arg;
}
Hwi_restore(key);
}
}
/*!
* ======== InterruptDucati_intClear ========
* Clear interrupt
*/
UInt InterruptDucati_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
if (remoteProcId == InterruptDucati_videoProcId ||
remoteProcId == InterruptDucati_vpssProcId) {
arg = REG32(InterruptDucati_ducatiCtrlBaseAddr);
/* Look at BIOS's ducati Core id */
if ((BIOS_smpEnabled) || (Core_getId() == 0)) {
if ((REG16(INTERRUPT_VIDEO) & 0x1) == 0x1) {
/* VPSS-M3 to VIDEO-M3 */
REG16(INTERRUPT_VIDEO) &= ~(0x1);
}
}
else {
if ((REG16(INTERRUPT_VPSS) & 0x1) == 0x1) {
/* VIDEO-M3 to VPSS-M3 */
REG16(INTERRUPT_VPSS) &= ~(0x1);
}
}
}
else if ((BIOS_smpEnabled) || (Core_getId() == 0)) {
if (remoteProcId == InterruptDucati_hostProcId) {
/* HOST to VIDEO-M3 */
arg = REG32(MAILBOX_MESSAGE(HOST_TO_VIDEO));
REG32(MAILBOX_IRQSTATUS_CLR_VIDEO) = MAILBOX_REG_VAL(HOST_TO_VIDEO);
}
else {
/* DSP to VIDEO-M3 */
arg = REG32(MAILBOX_MESSAGE(DSP_TO_VIDEO));
REG32(MAILBOX_IRQSTATUS_CLR_VIDEO) = MAILBOX_REG_VAL(DSP_TO_VIDEO);
}
}
else { /* M3DSSINT */
if (remoteProcId == InterruptDucati_hostProcId) {
/* HOST to VPSS-M3 */
arg = REG32(MAILBOX_MESSAGE(HOST_TO_VPSS));
REG32(MAILBOX_IRQSTATUS_CLR_VPSS) = MAILBOX_REG_VAL(HOST_TO_VPSS);
}
else {
/* DSP to VPSS-M3 */
arg = REG32(MAILBOX_MESSAGE(DSP_TO_VPSS));
REG32(MAILBOX_IRQSTATUS_CLR_VPSS) = MAILBOX_REG_VAL(DSP_TO_VPSS);
}
}
return (arg);
}
/*
* ======== InterruptEve_intPost ========
* Simulate an interrupt from a remote processor
*/
Void InterruptEve_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (srcProcId == InterruptEve_hostProcId) {
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(HOST_TO_EVE)) == 0) {
/* write the mailbox message to arp32 */
REG32(MAILBOX_MESSAGE(HOST_TO_EVE)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
else if ((srcProcId == InterruptEve_videoProcId) ||
(srcProcId == InterruptEve_vpssProcId)) {
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(VIDEO_TO_EVE)) == 0) {
/* write the mailbox message to arp32 */
REG32(MAILBOX_MESSAGE(VIDEO_TO_EVE)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
else {
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_EVE)) == 0) {
/* write the mailbox message to arp32 */
REG32(MAILBOX_MESSAGE(DSP_TO_EVE)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
}
/*
* ======== InterruptEve_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptEve_intSend(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (remoteProcId == InterruptEve_hostProcId) {
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(EVE_TO_HOST)) == 0) {
/* write the mailbox message to host */
REG32(MAILBOX_MESSAGE(EVE_TO_HOST)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
else if ((remoteProcId == InterruptEve_videoProcId) ||
(remoteProcId == InterruptEve_vpssProcId)) {
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(EVE_TO_VIDEO)) == 0) {
/* write the mailbox message to video-m3 */
REG32(MAILBOX_MESSAGE(EVE_TO_VIDEO)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
else {
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(EVE_TO_DSP)) == 0) {
/* write the mailbox message to dsp */
REG32(MAILBOX_MESSAGE(EVE_TO_DSP)) = arg;
}
/* restore interrupts */
key = Hwi_disable();
}
}
/*!
* ======== InterruptBenelli_intClear ========
* Clear interrupt
*/
UInt InterruptBenelli_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
UInt16 index;
index = MBX_TABLE_IDX(remoteProcId, MultiProc_self());
arg = REG32(MAILBOX_MESSAGE(index));
REG32(MAILBOX_IRQSTATUS_CLR(index)) = MAILBOX_REG_VAL(SUBMBX_IDX(index));
return (arg);
}
/*!
* ======== InterruptDsp_intClear ========
* Clear interrupt
*/
UInt InterruptDsp_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
if (remoteProcId == InterruptDsp_hostProcId) {
/* Mailbox 3 */
arg = REG32(MAILBOX_MESSAGE(MPU_TO_DSP));
REG32(MAILBOX_IRQSTATUS_CLR_DSP) = 0x40;
}
else if (remoteProcId == InterruptDsp_core0ProcId) {
/* Mailbox 2 */
arg = REG32(MAILBOX_MESSAGE(M3_TO_DSP));
REG32(MAILBOX_IRQSTATUS_CLR_DSP) = 0x10;
}
else {
Assert_isTrue(FALSE, ti_sdo_ipc_Ipc_A_internal);
}
return (arg);
}
/*!
* ======== InterruptArp32_intClear ========
* Clear interrupt
*/
UInt InterruptArp32_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
/* DSP to ARP32 */
arg = REG32(MAILBOX_MESSAGE(DSP_TO_ARP32));
/* clear the dsp mailbox */
REG32(MAILBOX_IRQSTATUS_CLR(MBX_INTR_TO_ARP32)) = MAILBOX_REG_VAL(DSP_TO_ARP32);
return (arg);
}
/*!
* ======== InterruptM3_intClear ========
* Clear interrupt and return payload
*/
UInt InterruptM3_intClear()
{
UInt arg = InterruptM3_INVALIDPAYLOAD;
/* First check whether incoming mailbox has a message */
if (Core_getId() == 0) {
/* If FIFO is empty, return InterruptM3_INVALIDPAYLOAD */
if (REG32(MAILBOX_STATUS(SYSM3_MBX)) == 0) {
return (arg);
}
else {
/* If there is a message, return the argument to the caller */
arg = REG32(MAILBOX_MESSAGE(SYSM3_MBX));
REG32(MAILBOX_IRQSTATUS_CLR_M3) = MAILBOX_REG_VAL(SYSM3_MBX);
}
}
else {
/* Clear the inter-M3 interrupt if necessary */
if ((REG16(INTERRUPT_CORE_1) & 0x1) == 0x1) {
REG16(INTERRUPT_CORE_1) &= ~(0x1);
}
/* If FIFO is empty, return InterruptM3_INVALIDPAYLOAD */
if (REG32(MAILBOX_STATUS(APPM3_MBX)) == 0) {
return (arg);
}
else {
/* If there is a message, return the argument to the caller */
arg = REG32(MAILBOX_MESSAGE(APPM3_MBX));
REG32(MAILBOX_IRQSTATUS_CLR_M3) = MAILBOX_REG_VAL(APPM3_MBX);
if (REG32(MAILBOX_STATUS(APPM3_MBX)) != 0) {
/* Trigger our own interrupt since another interrupt pending */
REG16(INTERRUPT_CORE_1) |= 0x1;
}
}
}
return (arg);
}
/*!
* ======== InterruptDsp_intClear ========
* Clear interrupt
*/
UInt InterruptDsp_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
if (remoteProcId == InterruptDsp_hostProcId) {
arg = REG32(MAILBOX_MESSAGE(HOST_TO_DSP));
REG32(MAILBOX_IRQSTATUS_CLR_DSP) = MAILBOX_REG_VAL(HOST_TO_DSP);
}
else if (remoteProcId == InterruptDsp_videoProcId) {
arg = REG32(MAILBOX_MESSAGE(VIDEO_TO_DSP));
REG32(MAILBOX_IRQSTATUS_CLR_DSP) = MAILBOX_REG_VAL(VIDEO_TO_DSP);
}
else { /* VPSS-M3 */
arg = REG32(MAILBOX_MESSAGE(VPSS_TO_DSP));
REG32(MAILBOX_IRQSTATUS_CLR_DSP) = MAILBOX_REG_VAL(VPSS_TO_DSP);
}
/* Write to EOI (End Of Interrupt) register */
REG32(MAILBOX_EOI_REG) = 0x1;
return (arg);
}
/*!
* ======== InterruptBenelli_intPost ========
* Simulate an interrupt from a remote processor
*/
Void InterruptBenelli_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
UInt16 index;
index = MBX_TABLE_IDX(srcProcId, MultiProc_self());
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(index)) == 0) {
REG32(MAILBOX_MESSAGE(index)) = arg;
}
Hwi_restore(key);
}
/*
* ======== InterruptEve_intClear ========
* Clear interrupt
*/
UInt InterruptEve_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
if (remoteProcId == InterruptEve_hostProcId) { /* HOST */
arg = REG32(MAILBOX_MESSAGE(HOST_TO_EVE));
REG32(MAILBOX_IRQSTATUS_CLR_EVE) = MAILBOX_REG_VAL(HOST_TO_EVE);
}
else if ((remoteProcId == InterruptEve_videoProcId) || /* VIDEO-M3 */
(remoteProcId == InterruptEve_vpssProcId)) {
arg = REG32(MAILBOX_MESSAGE(VIDEO_TO_EVE));
REG32(MAILBOX_IRQSTATUS_CLR_EVE) = MAILBOX_REG_VAL(VIDEO_TO_EVE);
}
else { /* DSP */
arg = REG32(MAILBOX_MESSAGE(DSP_TO_EVE));
REG32(MAILBOX_IRQSTATUS_CLR_EVE) = MAILBOX_REG_VAL(DSP_TO_EVE);
}
/* Write to EOI (End Of Interrupt) register */
REG32(MAILBOX_EOI_REG) = 0x1;
return (arg);
}
/*!
* ======== InterruptDsp_intPost ========
* Send interrupt to the remote processor
*/
Void InterruptDsp_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
if (srcProcId == InterruptDsp_hostProcId) {
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(MPU_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(MPU_TO_DSP)) = arg;
}
Hwi_restore(key);
}
else if (srcProcId == InterruptDsp_core0ProcId) {
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(M3_TO_DSP)) == 0) {
REG32(MAILBOX_MESSAGE(M3_TO_DSP)) = arg;
}
Hwi_restore(key);
}
else {
Assert_isTrue(FALSE, ti_sdo_ipc_Ipc_A_internal);
}
}
/*!
* ======== InterruptDsp_intClear ========
* Clear interrupt
*/
UInt InterruptDsp_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
arg = REG32(MAILBOX_MESSAGE(ARP32_TO_DSP));
/* clear the dsp mailbox */
REG32(MAILBOX_IRQSTATUS_CLR(MBX_INTR_TO_DSP)) = MAILBOX_REG_VAL(ARP32_TO_DSP);
/* Write to EOI (End Of Interrupt) register */
REG32(MAILBOX_EOI_REG) = 0x1;
return (arg);
}
/*!
* ======== InterruptDsp_intClear ========
* Clear interrupt
*/
UInt InterruptDsp_intClear(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo)
{
UInt arg;
UInt16 index;
index = MBX_TABLE_IDX(remoteProcId, MultiProc_self());
arg = REG32(MAILBOX_MESSAGE(index));
REG32(MAILBOX_IRQSTATUS_CLR_DSP(index)) = MAILBOX_REG_VAL(SUBMBX_IDX(index));
/* Write to EOI (End Of Interrupt) register */
REG32(MAILBOX_EOI_REG(index)) = 0x1;
return (arg);
}
/*!
* ======== InterruptArp32_intSend ========
* Send interrupt to the remote processor
*/
Void InterruptArp32_intSend(UInt16 remoteProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(ARP32_TO_DSP)) == 0) {
/* write the mailbox message to dsp */
REG32(MAILBOX_MESSAGE(ARP32_TO_DSP)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
/*!
* ======== InterruptArp32_intPost ========
* Simulate an interrupt from a remote processor
*/
Void InterruptArp32_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(DSP_TO_ARP32)) == 0) {
/* write the mailbox message to arp32 */
REG32(MAILBOX_MESSAGE(DSP_TO_ARP32)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
/*!
* ======== InterruptIpu_intClear ========
* Clear interrupt and return payload
*/
UInt InterruptIpu_intClear()
{
UInt arg = INVALIDPAYLOAD;
/* If FIFO is empty, return INVALIDPAYLOAD */
if (REG32(MAILBOX_STATUS(HOST_TO_SYSM3_MBX)) == 0) {
return (arg);
}
else {
/* If there is a message, return the argument to the caller */
arg = REG32(MAILBOX_MESSAGE(HOST_TO_SYSM3_MBX));
REG32(MAILBOX_IRQSTATUS_CLR_M3) =
MAILBOX_REG_VAL(HOST_TO_SYSM3_MBX);
}
return (arg);
}
/*!
* ======== InterruptArp32_intPost ========
* Simulate an interrupt from a remote processor
*/
Void InterruptArp32_intPost(UInt16 srcProcId, IInterrupt_IntInfo *intInfo,
UArg arg)
{
UInt key;
UInt16 index;
index = MBX_TABLE_IDX(srcProcId, MultiProc_self());
/* disable interrupts */
key = Hwi_disable();
if (REG32(MAILBOX_STATUS(index)) == 0) {
/* write the mailbox message to arp32 */
REG32(MAILBOX_MESSAGE(index)) = arg;
}
/* restore interrupts */
Hwi_restore(key);
}
};
/*
* 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),
};
/*!
* ======== 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;
}