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/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/reset.h>
#include <bl_uapp/bl_syscall_public.h>
#include <console/console.h>
#include <pc80/mc146818rtc.h>
#include <security/vboot/vbnv.h>
#include <security/vboot/symbols.h>
#include <soc/psp_transfer.h>
#include <2struct.h>
void verify_psp_transfer_buf(void)
{
if (*(uint32_t *)_vboot2_work == VB2_SHARED_DATA_MAGIC) {
cmos_write(0x00, CMOS_RECOVERY_BYTE);
return;
}
/*
* If CMOS is valid and the system has already been rebooted once, but
* still returns here, instead of rebooting to verstage again, assume
* that the system is in a reboot loop and halt.
*/
if ((!vbnv_cmos_failed()) && cmos_read(CMOS_RECOVERY_BYTE) ==
CMOS_RECOVERY_MAGIC_VAL)
die("Error: Reboot into recovery was unsuccessful. Halting.");
printk(BIOS_ERR, "ERROR: VBOOT workbuf not valid.\n");
printk(BIOS_DEBUG, "Signature: %#08x\n", *(uint32_t *)_vboot2_work);
cmos_init(0);
cmos_write(CMOS_RECOVERY_MAGIC_VAL, CMOS_RECOVERY_BYTE);
warm_reset();
}
void show_psp_transfer_info(void)
{
struct transfer_info_struct *info = (struct transfer_info_struct *)
(void *)(uintptr_t)_transfer_buffer;
if (info->magic_val == TRANSFER_MAGIC_VAL) {
if ((info->psp_info & PSP_INFO_VALID) == 0) {
printk(BIOS_INFO, "No PSP info found in transfer buffer.\n");
return;
}
printk(BIOS_INFO, "PSP boot mode: %s\n",
info->psp_info & PSP_INFO_PRODUCTION_MODE ?
"Production" : "Development");
printk(BIOS_INFO, "Silicon level: %s\n",
info->psp_info & PSP_INFO_PRODUCTION_SILICON ?
"Production" : "Pre-Production");
}
}
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