From 30cca6ca2ad92c44104fc5a1f261356b038abe20 Mon Sep 17 00:00:00 2001 From: Aamir Bohra Date: Thu, 4 Feb 2021 20:57:51 +0530 Subject: drivers/intel/fsp2_0: Add support for MP services2 PPI Add support for MP services2 PPIs, which is slight modification over MP services 1 PPIs. A new API StartupAllCPUs have been added to allow running a task on BSP and all APs. Also the EFI_PEI_SERVICES parameter has been removed from all MP PPI APIs. This implementation also selects the respective MP services PPI version supported for SoCs BUG=b:169196864 Change-Id: Id74baf17fb90147d229c78be90268fdc3ec1badc Signed-off-by: Aamir Bohra Reviewed-on: https://review.coreboot.org/c/coreboot/+/49474 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/drivers/intel/fsp2_0/ppi/mp_service1.c | 76 ++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 src/drivers/intel/fsp2_0/ppi/mp_service1.c (limited to 'src/drivers/intel/fsp2_0/ppi/mp_service1.c') diff --git a/src/drivers/intel/fsp2_0/ppi/mp_service1.c b/src/drivers/intel/fsp2_0/ppi/mp_service1.c new file mode 100644 index 0000000000..7d351e40f4 --- /dev/null +++ b/src/drivers/intel/fsp2_0/ppi/mp_service1.c @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include + +typedef EFI_PEI_MP_SERVICES_PPI efi_pei_mp_services_ppi; + +static efi_return_status_t mps1_get_number_of_processors(const + efi_pei_services **ignored1, efi_pei_mp_services_ppi *ignored2, + efi_uintn_t *number_of_processors, efi_uintn_t *number_of_enabled_processors) +{ + return mp_get_number_of_processors(number_of_processors, number_of_enabled_processors); +} + +static efi_return_status_t mps1_get_processor_info(const + efi_pei_services **ignored1, efi_pei_mp_services_ppi *ignored2, + efi_uintn_t processor_number, + efi_processor_information *processor_info_buffer) +{ + return mp_get_processor_info(processor_number, processor_info_buffer); +} + +static efi_return_status_t mps1_startup_all_aps(const + efi_pei_services **ignored1, efi_pei_mp_services_ppi *ignored2, + efi_ap_procedure procedure, efi_boolean_t ignored3, + efi_uintn_t timeout_usec, void *argument) +{ + return mp_startup_all_aps(procedure, timeout_usec, argument); +} + +static efi_return_status_t mps1_startup_this_ap(const + efi_pei_services **ignored1, efi_pei_mp_services_ppi *ignored2, + efi_ap_procedure procedure, efi_uintn_t processor_number, + efi_uintn_t timeout_usec, void *argument) +{ + return mp_startup_this_ap(procedure, processor_number, timeout_usec, argument); +} + +static efi_return_status_t mps1_switch_bsp(const efi_pei_services **ignored1, + efi_pei_mp_services_ppi *ignored2, efi_uintn_t ignored3, + efi_boolean_t ignored4) +{ + return mp_api_unsupported(); +} + +static efi_return_status_t mps1_enable_disable_ap(const + efi_pei_services **ignored1, efi_pei_mp_services_ppi *ignored2, + efi_uintn_t ignored3, efi_boolean_t ignored4, efi_uint32_t *ignored5) +{ + return mp_api_unsupported(); +} + +static efi_return_status_t mps1_identify_processor(const + efi_pei_services **ignored1, efi_pei_mp_services_ppi *ignored2, + efi_uintn_t *processor_number) +{ + return mp_identify_processor(processor_number); +} + +/* EDK2 UEFIPKG Open Source MP Service PPI to be installed */ + +static efi_pei_mp_services_ppi mp_service1_ppi = { + mps1_get_number_of_processors, + mps1_get_processor_info, + mps1_startup_all_aps, + mps1_startup_this_ap, + mps1_switch_bsp, + mps1_enable_disable_ap, + mps1_identify_processor, +}; + +void *mp_fill_ppi_services_data(void) +{ + return (void *)&mp_service1_ppi; +} -- cgit v1.2.3