mb/google/myst: Add PSP verstage callbacks

Lay the groundwork to prepare for enabling PSP verstage. This change
adds PSP verstage callback to enable eSPI, TPM etc.

BUG=b:284984667
TEST=Build Myst BIOS image with PSP verstage enabled.

Change-Id: Ifc800e8bb27cc4c3fbccc2ab9f51138a7c4b03a6
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75585
Reviewed-by: Tim Van Patten <timvp@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
This commit is contained in:
Karthikeyan Ramasubramanian 2023-06-01 15:33:50 -06:00 committed by Martin L Roth
parent b15946d72c
commit 5b5ee5830f
3 changed files with 42 additions and 0 deletions

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@ -9,6 +9,8 @@ ramstage-y += mainboard.c
ramstage-y += port_descriptors.c
ramstage-$(CONFIG_CHROMEOS) += chromeos.c
verstage-$(CONFIG_VBOOT_STARTS_BEFORE_BOOTBLOCK) += verstage.c
subdirs-y += variants/baseboard
subdirs-y += variants/$(VARIANT_DIR)

View File

@ -8,5 +8,6 @@ romstage-y += gpio.c
romstage-y += tpm_tis.c
verstage-y += tpm_tis.c
verstage-$(CONFIG_VBOOT_STARTS_BEFORE_BOOTBLOCK) += gpio.c
smm-y += smihandler.c

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@ -0,0 +1,39 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <amdblocks/acpimmio.h>
#include <arch/io.h>
#include <baseboard/variants.h>
#include <gpio.h>
#include <psp_verstage.h>
#include <security/vboot/vboot_common.h>
#include <soc/espi.h>
#include <soc/southbridge.h>
void verstage_mainboard_early_init(void)
{
const struct soc_amd_gpio *gpios;
size_t num_gpios;
variant_early_gpio_table(&gpios, &num_gpios);
gpio_configure_pads(gpios, num_gpios);
}
void verstage_mainboard_espi_init(void)
{
const struct soc_amd_gpio *gpios;
size_t num_gpios;
variant_espi_gpio_table(&gpios, &num_gpios);
gpio_configure_pads(gpios, num_gpios);
espi_switch_to_spi1_pads();
}
void verstage_mainboard_tpm_init(void)
{
const struct soc_amd_gpio *gpios;
size_t num_gpios;
variant_tpm_gpio_table(&gpios, &num_gpios);
gpio_configure_pads(gpios, num_gpios);
}