diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index 5140369445..19d733602e 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -1184,6 +1184,68 @@ static void cse_set_state(struct device *dev) me_reset_with_count(); } +struct cse_notify_phase_data { + bool skip; + void (*notify_func)(void); +}; + +/* + * `cse_final_ready_to_boot` function is native implementation of equivalent events + * performed by FSP NotifyPhase(Ready To Boot) API invocations. + * + * Operations are: + * 1. Send EOP to CSE if not done. + * 2. Perform global reset lock. + * 3. Put HECI1 to D0i3 and disable the HECI1 if the user selects + * DISABLE_HECI1_AT_PRE_BOOT config. + */ +static void cse_final_ready_to_boot(void) +{ + cse_send_end_of_post(); + + cse_control_global_reset_lock(); + + if (CONFIG(DISABLE_HECI1_AT_PRE_BOOT)) { + cse_set_to_d0i3(); + heci1_disable(); + } +} + +/* + * `cse_final_end_of_firmware` function is native implementation of equivalent events + * performed by FSP NotifyPhase(End of Firmware) API invocations. + * + * Operations are: + * 1. Set D0I3 for all HECI devices. + */ +static void cse_final_end_of_firmware(void) +{ + heci_set_to_d0i3(); +} + +static const struct cse_notify_phase_data notify_data[] = { + { + .skip = CONFIG(USE_FSP_NOTIFY_PHASE_READY_TO_BOOT), + .notify_func = cse_final_ready_to_boot, + }, + { + .skip = CONFIG(USE_FSP_NOTIFY_PHASE_END_OF_FIRMWARE), + .notify_func = cse_final_end_of_firmware, + }, +}; + +/* + * `cse_final` function is native implementation of equivalent events performed by + * each FSP NotifyPhase() API invocations. + */ +static void cse_final(struct device *dev) +{ + for (size_t i = 0; i < ARRAY_SIZE(notify_data); i++) { + if (!notify_data[i].skip) + return notify_data[i].notify_func(); + } +} + static struct device_operations cse_ops = { .set_resources = pci_dev_set_resources, .read_resources = pci_dev_read_resources, @@ -1191,6 +1253,7 @@ static struct device_operations cse_ops = { .init = pci_dev_init, .ops_pci = &pci_dev_ops_pci, .enable = cse_set_state, + .final = cse_final, }; static const unsigned short pci_device_ids[] = { |