src/soc/intel/meteorlake/pcie_rp.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <intelblocks/pcie_rp.h>
#include <soc/pci_devs.h>
#include <soc/pcie.h>
#include <soc/soc_info.h>

/*
 * TBT's LCAP registers are returning port index which starts from 0x10 (Usually for other PCIe
 * root ports index starts from 1). Thus keeping lcap_port_base 0x10 for TBT, so that coreboot's
 * PCIe remapping logic can return correct index (0-based)
 */

static const struct pcie_rp_group tbt_rp_groups[] = {
	{ .slot = PCI_DEV_SLOT_TBT, .count = CONFIG_MAX_TBT_ROOT_PORTS, .lcap_port_base = 0x10 },
	{ 0 }
};

static const struct pcie_rp_group mtlp_rp_groups[] = {
	{ .slot = PCI_DEV_SLOT_PCIE_1, .start = 0, .count = 8, .lcap_port_base = 1 },
	{ .slot = PCI_DEV_SLOT_PCIE_2, .start = 0, .count = 3, .lcap_port_base = 1 },
	{ .slot = PCI_DEV_SLOT_PCIE_3, .start = 0, .count = 1, .lcap_port_base = 1 },
	{ 0 }
};

const struct pcie_rp_group *get_pcie_rp_table(void)
{
	return mtlp_rp_groups;
}

const struct pcie_rp_group *get_tbt_pcie_rp_table(void)
{
	return tbt_rp_groups;
}

enum pcie_rp_type soc_get_pcie_rp_type(const struct device *dev)
{
	return PCIE_RP_PCH;
}

int soc_get_cpu_rp_vw_idx(const struct device *dev)
{
	return -1;
}