src/mainboard/lenovo/t410/romstage.c

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

#include <stdint.h>
#include <device/pci_ops.h>
#include <southbridge/intel/ibexpeak/pch.h>
#include <drivers/lenovo/hybrid_graphics/hybrid_graphics.h>
#include <northbridge/intel/ironlake/ironlake.h>

const struct southbridge_usb_port mainboard_usb_ports[] = {
	/* Enabled, Current table lookup index, OC map */
	{ 1, IF1_557, 0 },
	{ 1, IF1_55F, 1 },
	{ 1, IF1_74B, 3 },
	{ 1, IF1_14B, 3 },
	{ 1, IF1_14B, 3 },
	{ 1, IF1_74B, 3 },
	{ 1, IF1_74B, 3 },
	{ 1, IF1_74B, 3 },
	{ 1, IF1_55F, 4 },
	{ 1, IF1_55F, 5 },
	{ 1, IF1_74B, 7 },
	{ 1, IF1_74B, 7 },
	{ 1, IF1_557, 7 },
	{ 1, IF1_55F, 7 },
};

static void hybrid_graphics_init(void)
{
	bool peg, igd;
	u32 reg32;

	early_hybrid_graphics(&igd, &peg);

	/* Hide disabled devices */
	reg32 = pci_read_config32(PCI_DEV(0, 0, 0), DEVEN);
	reg32 &= ~(DEVEN_PEG10 | DEVEN_IGD);

	if (peg)
		reg32 |= DEVEN_PEG10;

	if (igd)
		reg32 |= DEVEN_IGD;
	else
		/* Disable IGD VGA decode, no GTT or GFX stolen */
		pci_write_config16(PCI_DEV(0, 0, 0), GGC, 2);

	pci_write_config32(PCI_DEV(0, 0, 0), DEVEN, reg32);
}

void mainboard_pre_raminit(void)
{
	hybrid_graphics_init();
}

void mainboard_get_spd_map(u8 *spd_addrmap)
{
	spd_addrmap[0] = 0x50;
	spd_addrmap[2] = 0x51;
}