diff options
| -rw-r--r-- | src/drivers/intel/fsp2_0/Kconfig | 37 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/notify.c | 9 |
2 files changed, 46 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig index 716e809bf6..2992b4f849 100644 --- a/src/drivers/intel/fsp2_0/Kconfig +++ b/src/drivers/intel/fsp2_0/Kconfig @@ -310,4 +310,41 @@ config FSPS_USE_MULTI_PHASE_INIT SoC users to select this Kconfig to set EnableMultiPhaseSiliconInit to enable and execute FspMultiPhaseSiInit() API. +config SKIP_FSP_NOTIFY_PHASE_AFTER_PCI_ENUM + bool + help + The FSP API is used to notify the FSP about different phases in the boot process. + The current FSP specification supports three notify phases: + - Post PCI enumeration + - Ready to Boot + - End of Firmware + Select this on a platform where you want to skip calling FSP Notify + `Post PCI enumeration` API. Instead use coreboot native implementations + to perform the required lock down and chipset register configuration prior + boot to payload. + +config SKIP_FSP_NOTIFY_PHASE_READY_TO_BOOT + bool + help + The FSP API is used to notify the FSP about different phases in the boot process. + The current FSP specification supports three notify phases: + - Post PCI enumeration + - Ready to Boot + - End of Firmware + Select this on a platform where you want to skip calling FSP Notify `Ready to Boot` + API. Instead use coreboot native implementations to perform the required lock down + and chipset register configuration prior boot to payload. + +config SKIP_FSP_NOTIFY_PHASE_END_OF_FIRMWARE + bool + help + The FSP API is used to notify the FSP about different phases in the boot process. + The current FSP specification supports three notify phases: + - Post PCI enumeration + - Ready to Boot + - End of Firmware + Select this on a platform where you want to skip calling FSP Notify `End of Firmware` + API. Instead use coreboot native implementations to perform the required lock down + and chipset register configuration prior boot to payload. + endif diff --git a/src/drivers/intel/fsp2_0/notify.c b/src/drivers/intel/fsp2_0/notify.c index cdace31905..36b538ffc6 100644 --- a/src/drivers/intel/fsp2_0/notify.c +++ b/src/drivers/intel/fsp2_0/notify.c @@ -10,6 +10,7 @@ struct fsp_notify_phase_data { enum fsp_notify_phase notify_phase; + bool skip; uint8_t post_code_before; uint8_t post_code_after; enum timestamp_id timestamp_before; @@ -19,6 +20,7 @@ struct fsp_notify_phase_data { static const struct fsp_notify_phase_data notify_data[] = { { .notify_phase = AFTER_PCI_ENUM, + .skip = CONFIG(SKIP_FSP_NOTIFY_PHASE_AFTER_PCI_ENUM), .post_code_before = POST_FSP_NOTIFY_BEFORE_ENUMERATE, .post_code_after = POST_FSP_NOTIFY_AFTER_ENUMERATE, .timestamp_before = TS_FSP_BEFORE_ENUMERATE, @@ -26,6 +28,7 @@ static const struct fsp_notify_phase_data notify_data[] = { }, { .notify_phase = READY_TO_BOOT, + .skip = CONFIG(SKIP_FSP_NOTIFY_PHASE_READY_TO_BOOT), .post_code_before = POST_FSP_NOTIFY_BEFORE_FINALIZE, .post_code_after = POST_FSP_NOTIFY_AFTER_FINALIZE, .timestamp_before = TS_FSP_BEFORE_FINALIZE, @@ -33,6 +36,7 @@ static const struct fsp_notify_phase_data notify_data[] = { }, { .notify_phase = END_OF_FIRMWARE, + .skip = CONFIG(SKIP_FSP_NOTIFY_PHASE_END_OF_FIRMWARE), .post_code_before = POST_FSP_NOTIFY_BEFORE_END_OF_FIRMWARE, .post_code_after = POST_FSP_NOTIFY_AFTER_END_OF_FIRMWARE, .timestamp_before = TS_FSP_BEFORE_END_OF_FIRMWARE, @@ -56,6 +60,11 @@ static void fsp_notify(enum fsp_notify_phase phase) fsp_notify_fn fspnotify; uint32_t ret; + if (data->skip) { + printk(BIOS_INFO, "coreboot skipped calling FSP notify phase: %08x.\n", phase); + return; + } + if (!fsps_hdr.notify_phase_entry_offset) die("Notify_phase_entry_offset is zero!\n"); |