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

#include <arch/romstage.h>
#include <cpu/intel/haswell/haswell.h>
#include <northbridge/intel/haswell/haswell.h>
#include <northbridge/intel/haswell/raminit.h>
#include <southbridge/intel/lynxpoint/pch.h>
#include <southbridge/intel/lynxpoint/lp_gpio.h>
#include "variant.h"

extern const struct pch_lp_gpio_map mainboard_gpio_map[];

void mainboard_config_rcba(void)
{
	/*
	 *             GFX    INTA -> PIRQA (MSI)
	 * D28IP_P1IP  PCIE   INTA -> PIRQA
	 * D29IP_E1P   EHCI   INTA -> PIRQD
	 * D20IP_XHCI  XHCI   INTA -> PIRQC (MSI)
	 * D31IP_SIP   SATA   INTA -> PIRQF (MSI)
	 * D31IP_SMIP  SMBUS  INTB -> PIRQG
	 * D31IP_TTIP  THRT   INTC -> PIRQA
	 * D27IP_ZIP   HDA    INTA -> PIRQG (MSI)
	 */

	/* Device interrupt pin register (board specific) */
	RCBA32(D31IP) = (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
			(INTB << D31IP_SMIP) | (INTA << D31IP_SIP);
	RCBA32(D29IP) = (INTA << D29IP_E1P);
	RCBA32(D28IP) = (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) |
			(INTB << D28IP_P4IP);
	RCBA32(D27IP) = (INTA << D27IP_ZIP);
	RCBA32(D26IP) = (INTA << D26IP_E2P);
	RCBA32(D22IP) = (NOINT << D22IP_MEI1IP);
	RCBA32(D20IP) = (INTA << D20IP_XHCI);

	/* Device interrupt route registers */
	RCBA32(D31IR) = DIR_ROUTE(PIRQG, PIRQC, PIRQB, PIRQA); /* LPC */
	RCBA32(D29IR) = DIR_ROUTE(PIRQD, PIRQD, PIRQD, PIRQD); /* EHCI */
	RCBA32(D28IR) = DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD); /* PCIE */
	RCBA32(D27IR) = DIR_ROUTE(PIRQG, PIRQG, PIRQG, PIRQG); /* HDA */
	RCBA32(D22IR) = DIR_ROUTE(PIRQA, PIRQA, PIRQA, PIRQA); /* ME */
	RCBA32(D21IR) = DIR_ROUTE(PIRQE, PIRQF, PIRQF, PIRQF); /* SIO */
	RCBA32(D20IR) = DIR_ROUTE(PIRQC, PIRQC, PIRQC, PIRQC); /* XHCI */
	RCBA32(D23IR) = DIR_ROUTE(PIRQH, PIRQH, PIRQH, PIRQH); /* SDIO */
}

void mainboard_romstage_entry(void)
{
	struct pei_data pei_data = {
		.pei_version = PEI_VERSION,
		.mchbar = (uintptr_t)DEFAULT_MCHBAR,
		.dmibar = (uintptr_t)DEFAULT_DMIBAR,
		.epbar = DEFAULT_EPBAR,
		.pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
		.smbusbar = SMBUS_IO_BASE,
		.hpet_address = HPET_ADDR,
		.rcba = (uintptr_t)DEFAULT_RCBA,
		.pmbase = DEFAULT_PMBASE,
		.gpiobase = DEFAULT_GPIOBASE,
		.temp_mmio_base = 0xfed08000,
		.system_type = 5, /* ULT */
		.tseg_size = CONFIG_SMM_TSEG_SIZE,
		.spd_addresses = { 0xff, 0x00, 0xff, 0x00 },
		.ec_present = 1,
		/*
		 * 0 = leave channel enabled
		 * 1 = disable dimm 0 on channel
		 * 2 = disable dimm 1 on channel
		 * 3 = disable dimm 0+1 on channel
		 */
		.dimm_channel0_disabled = 2,
		.dimm_channel1_disabled = 2,
		.max_ddr3_freq = 1600,
		.usb_xhci_on_resume = 1,
	};

	struct romstage_params romstage_params = {
		.pei_data = &pei_data,
		.gpio_map = &mainboard_gpio_map,
	};

	variant_romstage_entry(&romstage_params);

	/* Call into the real romstage main with this board's attributes. */
	romstage_common(&romstage_params);
}