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/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <soc/pci_devs.h>
#include <soc/northbridge.h>
#include <soc/southbridge.h>
#include <amdblocks/psp.h>
void soc_enable_psp_early(void)
{
u32 base, limit;
u16 cmd;
/* Open a posted hole from 0x80000000 : 0xfed00000-1 */
base = (0x80000000 >> 8) | MMIO_WE | MMIO_RE;
limit = (ALIGN_DOWN(HPET_BASE_ADDRESS - 1, 64 * KiB) >> 8);
pci_write_config32(SOC_ADDR_DEV, D18F1_MMIO_LIMIT0_LO, limit);
pci_write_config32(SOC_ADDR_DEV, D18F1_MMIO_BASE0_LO, base);
/* Preload a value into BAR and enable it */
pci_write_config32(SOC_PSP_DEV, PSP_MAILBOX_BAR, PSP_MAILBOX_BAR3_BASE);
pci_write_config32(SOC_PSP_DEV, PSP_BAR_ENABLES, PSP_MAILBOX_BAR_EN);
/* Enable memory access and master */
cmd = pci_read_config16(SOC_PSP_DEV, PCI_COMMAND);
cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
pci_write_config16(SOC_PSP_DEV, PCI_COMMAND, cmd);
};
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