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byt: remove waiti on byt 

waiti would cause FW panic if it is called in irq level
higher than passive level.

Signed-off-by: Rander Wang <rander.wang@linux.intel.com>
This commit is contained in:
Rander Wang 2018-09-07 17:55:15 +08:00 committed by Pan Xiuli
parent 0df634e8a9
commit 7c400d0f7f
2 changed files with 14 additions and 10 deletions
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21
src/ipc/pmc-ipc.c
View File

@ -126,7 +126,7 @@ static void irq_handler(void *arg)
int ipc_pmc_send_msg(uint32_t message)
{
uint32_t ipclpesch;
uint32_t irq_mask;
int try = 0;
trace_ipc("SMs");
@ -138,22 +138,23 @@ int ipc_pmc_send_msg(uint32_t message)
return -EAGAIN;
}
/* disable all interrupts except for SCU */
irq_mask = arch_interrupt_disable_mask(~(1 << IRQ_NUM_EXT_PMC));
/* send the new message */
shim_write(SHIM_IPCLPESCL, 0);
shim_write(SHIM_IPCLPESCH, SHIM_IPCLPESCH_BUSY | message);
/* now wait for clock change */
wait_for_interrupt(0);
/* enable other IRQs */
arch_interrupt_enable_mask(irq_mask);
/* check status */
ipclpesch = shim_read(SHIM_IPCLPESCH);
while (ipclpesch & SHIM_IPCLPESCH_BUSY) {
/* now wait for clock change */
idelay(PLATFORM_LPE_DELAY);
ipclpesch = shim_read(SHIM_IPCLPESCH);
try++;
if (try > 10)
break;
}
/* did command succeed */
if (ipclpesch & SHIM_IPCLPESCH_BUSY) {
trace_ipc_error("ePf");

3
src/platform/baytrail/include/platform/platform.h
View File

@ -102,6 +102,9 @@ struct sof;
/* DSP default delay in cycles */
#define PLATFORM_DEFAULT_DELAY 12
/* DSP LPE delay in cycles */
#define PLATFORM_LPE_DELAY 2000
/* Platform defined panic code */
static inline void platform_panic(uint32_t p)
{