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power_domain: intel_adsp: wait for the power domain wake up

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Waiting till power domain will wake up from power gating state.

Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
This commit is contained in:
Tomasz Leman 2023-02-06 14:55:41 +01:00 committed by Anas Nashif
parent cdc39c9482
commit 3024bc5b19
1 changed files with 14 additions and 4 deletions
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18
drivers/power_domain/power_domain_intel_adsp.c
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@ -24,6 +24,11 @@ static int pd_intel_adsp_set_power_enable(struct pg_bits *bits, bool power_enabl
if (power_enable) {
sys_write16(sys_read16((mem_addr_t)&ACE_DfPMCCU.dfpwrctl) | SPA_bit_mask,
(mem_addr_t)&ACE_DfPMCCU.dfpwrctl);
if (!WAIT_FOR(sys_read16((mem_addr_t)&ACE_DfPMCCU.dfpwrsts) & BIT(bits->CPA_bit),
10000, k_busy_wait(1))) {
return -1;
}
} else {
sys_write16(sys_read16((mem_addr_t)&ACE_DfPMCCU.dfpwrctl) & ~(SPA_bit_mask),
(mem_addr_t)&ACE_DfPMCCU.dfpwrctl);
@ -35,15 +40,20 @@ static int pd_intel_adsp_set_power_enable(struct pg_bits *bits, bool power_enabl
static int pd_intel_adsp_pm_action(const struct device *dev, enum pm_device_action action)
{
struct pg_bits *reg_bits = (struct pg_bits *)dev->data;
int ret = 0;
switch (action) {
case PM_DEVICE_ACTION_RESUME:
pd_intel_adsp_set_power_enable(reg_bits, true);
pm_device_children_action_run(dev, PM_DEVICE_ACTION_TURN_ON, NULL);
ret = pd_intel_adsp_set_power_enable(reg_bits, true);
if (ret == 0) {
pm_device_children_action_run(dev, PM_DEVICE_ACTION_TURN_ON, NULL);
}
break;
case PM_DEVICE_ACTION_SUSPEND:
pm_device_children_action_run(dev, PM_DEVICE_ACTION_TURN_OFF, NULL);
pd_intel_adsp_set_power_enable(reg_bits, false);
ret = pd_intel_adsp_set_power_enable(reg_bits, false);
break;
case PM_DEVICE_ACTION_TURN_ON:
break;
@ -53,7 +63,7 @@ static int pd_intel_adsp_pm_action(const struct device *dev, enum pm_device_acti
return -ENOTSUP;
}
return 0;
return ret;
}
static int pd_intel_adsp_init(const struct device *dev)
{