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idc: add support for sending messages to master core 

Adds support for sending idc messages from slave cores
to master core. Previously only master core could send
messages.

Signed-off-by: Tomasz Lauda <tomasz.lauda@linux.intel.com>
This commit is contained in:
Tomasz Lauda 2019-08-22 17:22:22 +02:00 committed by Tomasz Lauda
parent 22eee8c3f6
commit 008285ea03
1 changed files with 19 additions and 30 deletions
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49
src/arch/xtensa/drivers/idc.c
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@ -95,24 +95,21 @@ static void idc_irq_handler(void *arg)
} }
} }
/* DONE interrupt only enabled by master core */ for (i = 0; i < PLATFORM_CORE_COUNT; i++) {
if (core == PLATFORM_MASTER_CORE_ID) { /* skip current core */
for (i = 0; i < PLATFORM_CORE_COUNT; i++) { if (core == i)
/* skip current core */ continue;
if (core == i)
continue;
idcietc = idc_read(IPC_IDCIETC(i), core); idcietc = idc_read(IPC_IDCIETC(i), core);
if (idcietc & IPC_IDCIETC_DONE) { if (idcietc & IPC_IDCIETC_DONE) {
tracev_idc("idc_irq_handler(), " tracev_idc("idc_irq_handler(), "
"IPC_IDCIETC_DONE"); "IPC_IDCIETC_DONE");
idc_write(IPC_IDCIETC(i), core, idc_write(IPC_IDCIETC(i), core,
idcietc | IPC_IDCIETC_DONE); idcietc | IPC_IDCIETC_DONE);
idc->msg_processed[i] = true; idc->msg_processed[i] = true;
}
} }
} }
} }
@ -288,7 +285,7 @@ static enum task_state idc_do_cmd(void *data)
idc_read(IPC_IDCTFC(initiator), core) | IPC_IDCTFC_BUSY); idc_read(IPC_IDCTFC(initiator), core) | IPC_IDCTFC_BUSY);
/* enable BUSY interrupt */ /* enable BUSY interrupt */
idc_write(IPC_IDCCTL, core, idc->busy_bit_mask); idc_write(IPC_IDCCTL, core, idc->busy_bit_mask | idc->done_bit_mask);
return SOF_TASK_STATE_COMPLETED; return SOF_TASK_STATE_COMPLETED;
} }
@ -303,13 +300,9 @@ static uint32_t idc_get_busy_bit_mask(int core)
uint32_t busy_mask = 0; uint32_t busy_mask = 0;
int i; int i;
if (core == PLATFORM_MASTER_CORE_ID) { for (i = 0; i < PLATFORM_CORE_COUNT; i++) {
for (i = 0; i < PLATFORM_CORE_COUNT; i++) { if (i != core)
if (i != PLATFORM_MASTER_CORE_ID) busy_mask |= IPC_IDCCTL_IDCTBIE(i);
busy_mask |= IPC_IDCCTL_IDCTBIE(i);
}
} else {
busy_mask = IPC_IDCCTL_IDCTBIE(PLATFORM_MASTER_CORE_ID);
} }
return busy_mask; return busy_mask;
@ -325,13 +318,9 @@ static uint32_t idc_get_done_bit_mask(int core)
uint32_t done_mask = 0; uint32_t done_mask = 0;
int i; int i;
if (core == PLATFORM_MASTER_CORE_ID) { for (i = 0; i < PLATFORM_CORE_COUNT; i++) {
for (i = 0; i < PLATFORM_CORE_COUNT; i++) { if (i != core)
if (i != PLATFORM_MASTER_CORE_ID) done_mask |= IPC_IDCCTL_IDCIDIE(i);
done_mask |= IPC_IDCCTL_IDCIDIE(i);
}
} else {
done_mask = 0;
} }
return done_mask; return done_mask;
@ -368,7 +357,7 @@ int arch_idc_init(void)
return ret; return ret;
interrupt_enable((*idc)->irq, *idc); interrupt_enable((*idc)->irq, *idc);
/* enable BUSY and DONE (only for master core) interrupts */ /* enable BUSY and DONE interrupts */
idc_write(IPC_IDCCTL, core, idc_write(IPC_IDCCTL, core,
(*idc)->busy_bit_mask | (*idc)->done_bit_mask); (*idc)->busy_bit_mask | (*idc)->done_bit_mask);