early_init.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/hpet.h>
#include <stdint.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>
 
void mainboard_late_rcba_config(void)
{
        /*
         *             GFX    INTA -> PIRQA (MSI)
         * D28IP_P1IP  WLAN   INTA -> PIRQB
         * D28IP_P2IP  ETH0   INTB -> PIRQF
         * D28IP_P3IP  SDCARD INTC -> PIRQD
         * D29IP_E1P   EHCI1  INTA -> PIRQD
         * D26IP_E2P   EHCI2  INTA -> PIRQF
         * D31IP_SIP   SATA   INTA -> PIRQB (MSI)
         * D31IP_SMIP  SMBUS  INTB -> PIRQH
         * D31IP_TTIP  THRT   INTC -> PIRQA
         * D27IP_ZIP   HDA    INTA -> PIRQA (MSI)
         *
         * Trackpad interrupt is edge triggered and cannot be shared.
         * TRACKPAD                -> PIRQG
 
         */
 
        /* 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) | (INTB << D28IP_P2IP) |
                        (INTC << D28IP_P3IP);
        RCBA32(D27IP) = (INTA << D27IP_ZIP);
        RCBA32(D26IP) = (INTA << D26IP_E2P);
        RCBA32(D25IP) = (NOINT << D25IP_LIP);
        RCBA32(D22IP) = (NOINT << D22IP_MEI1IP);
 
        /* Device interrupt route registers */
        DIR_ROUTE(D31IR, PIRQB, PIRQH, PIRQA, PIRQC);
        DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG);
        DIR_ROUTE(D28IR, PIRQB, PIRQF, PIRQD, PIRQE);
        DIR_ROUTE(D27IR, PIRQA, PIRQH, PIRQA, PIRQB);
        DIR_ROUTE(D26IR, PIRQF, PIRQE, PIRQG, PIRQH);
        DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD);
        DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD);
}
 
const struct southbridge_usb_port mainboard_usb_ports[] = {
        /* enabled power  USB oc pin  */
        { 1, 0, -1 }, /* P0: Right USB 3.0 #1 (no OC) */
        { 1, 0, -1 }, /* P1: Right USB 3.0 #2 (no OC) */
        { 1, 0, -1 }, /* P2: Camera (no OC) */
        { 0, 0, -1 }, /* P3: Empty */
        { 0, 0, -1 }, /* P4: Empty */
        { 0, 0, -1 }, /* P5: Empty */
        { 0, 0, -1 }, /* P6: Empty */
        { 0, 0, -1 }, /* P7: Empty */
        { 0, 0, -1 }, /* P8: Empty */
        { 1, 1, -1 }, /* P9: Left USB 1 (no OC) */
        { 1, 0, -1 }, /* P10: Mini PCIe - WLAN / BT (no OC) */
        { 0, 0, -1 }, /* P11: Empty */
        { 0, 0, -1 }, /* P12: Empty */
        { 0, 0, -1 }, /* P13: Empty */
};
 
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);
}
 
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 = 1,
                .ddr3lv_support = 0,
                .max_ddr3_freq = 1600,
                .usb_port_config = {
                        /* enabled   USB oc pin    length */
                        { 1, 0, 0x0040 }, /* P0: Right USB 3.0 #1 (no OC) */
                        { 1, 0, 0x0040 }, /* P1: Right USB 3.0 #2 (no OC) */
                        { 1, 0, 0x0040 }, /* P2: Camera (no OC) */
                        { 0, 0, 0x0000 }, /* P3: Empty */
                        { 0, 0, 0x0000 }, /* P4: Empty */
                        { 0, 0, 0x0000 }, /* P5: Empty */
                        { 0, 0, 0x0000 }, /* P6: Empty */
                        { 0, 0, 0x0000 }, /* P7: Empty */
                        { 0, 4, 0x0000 }, /* P8: Empty */
                        { 1, 4, 0x0080 }, /* P9: Left USB 1 (no OC) */
                        { 1, 4, 0x0040 }, /* P10: Mini PCIe - WLAN / BT (no OC) */
                        { 0, 4, 0x0000 }, /* P11: Empty */
                        { 0, 4, 0x0000 }, /* P12: Empty */
                        { 0, 4, 0x0000 }, /* P13: Empty */
                },
                .ddr_refresh_rate_config = 2, /* Force double refresh rate */
        };
        *pei_data = pei_data_template;
}
 
int mainboard_should_reset_usb(int s3resume)
{
        return !s3resume;
}