romstage.c

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/* 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;
}