diff options
| -rw-r--r-- | src/drivers/intel/fsp2_0/Kconfig | 7 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/fsp_debug_event.c | 28 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/include/fsp/fsp_debug_event.h | 19 |
4 files changed, 56 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig index fdea4b886f..0823aa3020 100644 --- a/src/drivers/intel/fsp2_0/Kconfig +++ b/src/drivers/intel/fsp2_0/Kconfig @@ -352,4 +352,11 @@ config USE_FSP_NOTIFY_PHASE_END_OF_FIRMWARE to perform the required lock down and chipset register configuration prior boot to payload. +config FSP_USES_CB_DEBUG_EVENT_HANDLER + bool + default n + help + This option allows to create `Debug Event Handler` to print FSP debug messages + to output device using coreboot native implementation. + endif diff --git a/src/drivers/intel/fsp2_0/Makefile.inc b/src/drivers/intel/fsp2_0/Makefile.inc index eaf99d1492..076ab2d84b 100644 --- a/src/drivers/intel/fsp2_0/Makefile.inc +++ b/src/drivers/intel/fsp2_0/Makefile.inc @@ -5,6 +5,7 @@ ifeq ($(CONFIG_PLATFORM_USES_FSP2_0),y) bootblock-$(CONFIG_FSP_CAR) += fspt_report.c romstage-y += debug.c +romstage-$(CONFIG_FSP_USES_CB_DEBUG_EVENT_HANDLER) += fsp_debug_event.c romstage-y += hand_off_block.c romstage-$(CONFIG_DISPLAY_FSP_HEADER) += header_display.c romstage-$(CONFIG_DISPLAY_HOBS) += hob_display.c @@ -16,6 +17,7 @@ romstage-$(CONFIG_MMA) += mma_core.c romstage-y += cbmem.c ramstage-y += debug.c +ramstage-$(CONFIG_FSP_USES_CB_DEBUG_EVENT_HANDLER) += fsp_debug_event.c ramstage-$(CONFIG_USE_INTEL_FSP_MP_INIT) += fsp_mpinit.c ramstage-$(CONFIG_RUN_FSP_GOP) += graphics.c ramstage-y += hand_off_block.c diff --git a/src/drivers/intel/fsp2_0/fsp_debug_event.c b/src/drivers/intel/fsp2_0/fsp_debug_event.c new file mode 100644 index 0000000000..f58424b0c5 --- /dev/null +++ b/src/drivers/intel/fsp2_0/fsp_debug_event.c @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <fsp/api.h> +#include <fsp/fsp_debug_event.h> +#include <fsp/util.h> + +static const uint8_t fsp_string_type_guid[16] = { + 0x80, 0x10, 0xd1, 0x92, 0x6f, 0x49, 0x95, 0x4d, + 0xbe, 0x7e, 0x03, 0x74, 0x88, 0x38, 0x2b, 0x0a +}; + +static efi_return_status_t print_fsp_string_data(const efi_status_code_data_t *data) +{ + printk(BIOS_SPEW, "%s", ((efi_status_code_string_data *) data)->String.Ascii); + + return FSP_SUCCESS; +} + +efi_return_status_t fsp_debug_event_handler(efi_status_code_type_t ignored1, + efi_status_code_value_t ignored2, efi_uint32_t ignored3, efi_guid_t *ignored4, + efi_status_code_data_t *data) +{ + if (!fsp_guid_compare((uint8_t *)&(data->Type), fsp_string_type_guid)) + return FSP_NOT_FOUND; + + return print_fsp_string_data(data); +} diff --git a/src/drivers/intel/fsp2_0/include/fsp/fsp_debug_event.h b/src/drivers/intel/fsp2_0/include/fsp/fsp_debug_event.h new file mode 100644 index 0000000000..7d50c1e68f --- /dev/null +++ b/src/drivers/intel/fsp2_0/include/fsp/fsp_debug_event.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef FSP_DEBUG_EVENT_H +#define FSP_DEBUG_EVENT_H + +/* + * This file to implement FSP_EVENT_HANDLER for Intel FSP to use. + * More details about this structure can be found here : + * http://github.com/tianocore/edk2/blob/master/IntelFsp2Pkg/Include/FspEas/FspApi.h + */ +#include <efi/efi_datatype.h> +#include <fsp/soc_binding.h> + +/* fsp debug event handler */ +efi_return_status_t fsp_debug_event_handler(efi_status_code_type_t ignored1, + efi_status_code_value_t ignored2, efi_uint32_t ignored3, efi_guid_t *ignored4, + efi_status_code_data_t *data); + +#endif /* FSP_DEBUG_EVENT_H */ |