early_init.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/hpet.h>
#include <bootblock_common.h>
#include <stdint.h>
#include <arch/io.h>
#include <superio/smsc/sio1007/sio1007.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <northbridge/intel/sandybridge/raminit_native.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
 
#define SIO_PORT 0x164e
 
void bootblock_mainboard_early_init(void)
{
        const u16 port = SIO_PORT;
        const u16 runtime_port = 0x180;
 
        sio1007_enable_uart_at(port);
 
        /* Turn on configuration mode. */
        outb(0x55, port);
 
        /* Set the GPIO direction, polarity, and type. */
        sio1007_setreg(port, 0x31, 1 << 0, 1 << 0);
        sio1007_setreg(port, 0x32, 0 << 0, 1 << 0);
        sio1007_setreg(port, 0x33, 0 << 0, 1 << 0);
 
        /* Set the base address for the runtime register block. */
        sio1007_setreg(port, 0x30, runtime_port >> 4, 0xff);
        sio1007_setreg(port, 0x21, runtime_port >> 12, 0xff);
 
        /* Turn on address decoding for it. */
        sio1007_setreg(port, 0x3a, 1 << 1, 1 << 1);
 
        /* Set the value of GPIO 10 by changing GP1, bit 0. */
        u8 byte;
        byte = inb(runtime_port + 0xc);
        byte |= (1 << 0);
        outb(byte, runtime_port + 0xc);
 
        /* Turn off address decoding for it. */
        sio1007_setreg(port, 0x3a, 0 << 1, 1 << 1);
 
        /* Turn off configuration mode. */
        outb(0xaa, port);
}
 
void mainboard_fill_pei_data(struct pei_data *pei_data)
{
        struct pei_data pei_data_template = {
                .pei_version = PEI_VERSION,
                .mchbar = CONFIG_FIXED_MCHBAR_MMIO_BASE,
                .dmibar = CONFIG_FIXED_DMIBAR_MMIO_BASE,
                .epbar = CONFIG_FIXED_EPBAR_MMIO_BASE,
                .pciexbar = CONFIG_ECAM_MMCONF_BASE_ADDRESS,
                .smbusbar = CONFIG_FIXED_SMBUS_IO_BASE,
                .wdbbar = 0x4000000,
                .wdbsize = 0x1000,
                .hpet_address = HPET_BASE_ADDRESS,
                .rcba = (uintptr_t)DEFAULT_RCBA,
                .pmbase = DEFAULT_PMBASE,
                .gpiobase = DEFAULT_GPIOBASE,
                .thermalbase = 0xfed08000,
                .system_type = 0, // 0 Mobile, 1 Desktop/Server
                .tseg_size = CONFIG_SMM_TSEG_SIZE,
                .spd_addresses = { 0xa0, 0x00, 0xa4, 0x00 },
                .ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
                .ec_present = 0,
                .max_ddr3_freq = 1600,
                .usb_port_config = {
                        { 1, 0, 0x0040 }, /* P0: Front port  (OC0) */
                        { 1, 1, 0x0040 }, /* P1: Back port   (OC1) */
                        { 1, 0, 0x0040 }, /* P2: MINIPCIE1   (no OC) */
                        { 1, 0, 0x0040 }, /* P3: MMC         (no OC) */
                        { 1, 2, 0x0040 }, /* P4: Front port  (OC2) */
                        { 0, 0, 0x0000 }, /* P5: Empty */
                        { 0, 0, 0x0000 }, /* P6: Empty */
                        { 0, 0, 0x0000 }, /* P7: Empty */
                        { 1, 4, 0x0040 }, /* P8: Back port   (OC4) */
                        { 1, 4, 0x0040 }, /* P9: MINIPCIE3   (no OC) */
                        { 1, 4, 0x0040 }, /* P10: BLUETOOTH  (no OC) */
                        { 0, 4, 0x0000 }, /* P11: Empty */
                        { 1, 6, 0x0040 }, /* P12: Back port  (OC6) */
                        { 1, 5, 0x0040 }, /* P13: Back port  (OC5) */
                },
        };
        *pei_data = pei_data_template;
}
 
const struct southbridge_usb_port mainboard_usb_ports[] = {
        /* enabled power  USB oc pin  */
        { 1, 0, 0 }, /* P0: Front port  (OC0) */
        { 1, 0, 1 }, /* P1: Back port   (OC1) */
        { 1, 0, -1 }, /* P2: MINIPCIE1   (no OC) */
        { 1, 0, -1 }, /* P3: MMC         (no OC) */
        { 1, 0, 2 }, /* P4: Front port  (OC2) */
        { 0, 0, -1 }, /* P5: Empty */
        { 0, 0, -1 }, /* P6: Empty */
        { 0, 0, -1 }, /* P7: Empty */
        { 1, 0, 4 }, /* P8: Back port   (OC4) */
        { 1, 0, -1 }, /* P9: MINIPCIE3   (no OC) */
        { 1, 0, -1 }, /* P10: BLUETOOTH  (no OC) */
        { 0, 0, -1 }, /* P11: Empty */
        { 1, 0, 6 }, /* P12: Back port  (OC6) */
        { 1, 0, 5 }, /* P13: Back port  (OC5) */
};
 
void mainboard_get_spd(spd_raw_data *spd, bool id_only)
{
        read_spd(&spd[0], 0x50, id_only);
        read_spd(&spd[2], 0x52, id_only);
}
 
int mainboard_should_reset_usb(int s3resume)
{
        return !s3resume;
}