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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/hpet.h>
#include <stdint.h>
#include <string.h>
#include <device/pci_ops.h>
#include <console/console.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>
#include "ec/google/chromeec/ec.h"
#include <cbfs.h>
#include <southbridge/intel/bd82x6x/chip.h>
void mainboard_pch_lpc_setup(void)
{
/* Enable additional 0x200..0x207 for EC */
pci_or_config16(PCH_LPC_DEV, LPC_EN, GAMEL_LPC_EN);
}
void mainboard_late_rcba_config(void)
{
/*
* GFX INTA -> PIRQA (MSI)
* D28IP_P3IP WLAN INTA -> PIRQB
* D29IP_E1P EHCI1 INTA -> PIRQD
* D26IP_E2P EHCI2 INTA -> PIRQF
* D31IP_SIP SATA INTA -> PIRQF (MSI)
* D31IP_SMIP SMBUS INTB -> PIRQH
* D31IP_TTIP THRT INTC -> PIRQA
* D27IP_ZIP HDA INTA -> PIRQA (MSI)
*
* TRACKPAD -> PIRQE (Edge Triggered)
* TOUCHSCREEN -> PIRQG (Edge Triggered)
*/
/* Device interrupt pin register (board specific) */
RCBA32(D31IP) = (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
(INTB << D31IP_SMIP) | (INTA << D31IP_SIP);
RCBA32(D30IP) = (NOINT << D30IP_PIP);
RCBA32(D29IP) = (INTA << D29IP_E1P);
RCBA32(D28IP) = (INTA << 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, PIRQC, 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);
}
static uint8_t *locate_spd(void)
{
const int gpio_vector[] = {41, 42, 43, 10, -1};
uint8_t *spd_file;
size_t spd_file_len;
int spd_index = get_gpios(gpio_vector);
printk(BIOS_DEBUG, "spd index %d\n", spd_index);
spd_file = cbfs_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < ((spd_index + 1) * 256)) {
printk(BIOS_ERR, "spd index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < 256)
die("Missing SPD data.");
return spd_file + spd_index * 256;
}
void mainboard_fill_pei_data(struct pei_data *pei_data)
{
/* TODO: Confirm if nortbridge_fill_pei_data() gets .system_type right (should be 0) */
/* LINK has 2 channels of memory down, so spd_data[0] and [2]
both need to be populated */
memcpy(pei_data->spd_data[0], locate_spd(),
sizeof(pei_data->spd_data[0]));
memcpy(pei_data->spd_data[2], pei_data->spd_data[0],
sizeof(pei_data->spd_data[0]));
}
const struct southbridge_usb_port mainboard_usb_ports[] = {
/* enabled power USB oc pin */
{ 0, 0, -1 }, /* P0: Empty */
{ 1, 0, 0 }, /* P1: Left USB 1 (OC0) */
{ 1, 0, 1 }, /* P2: Left USB 2 (OC1) */
{ 1, 0, -1 }, /* P3: SDCARD (no OC) */
{ 0, 0, -1 }, /* P4: Empty */
{ 1, 0, -1 }, /* P5: WWAN (no OC) */
{ 0, 0, -1 }, /* P6: Empty */
{ 0, 0, -1 }, /* P7: Empty */
{ 1, 0, -1 }, /* P8: Camera (no OC) */
{ 1, 0, -1 }, /* P9: Bluetooth (no OC) */
{ 0, 0, -1 }, /* P10: Empty */
{ 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)
{
/* LINK has 2 channels of memory down, so spd_data[0] and [2]
both need to be populated */
memcpy(&spd[0], locate_spd(), 128);
memcpy(&spd[2], &spd[0], 128);
}
void mainboard_early_init(int s3resume)
{
if (!s3resume) {
/* This is the fastest way to let users know
* the Intel CPU is now alive.
*/
google_chromeec_kbbacklight(100);
}
}
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