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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2010 coresystems GmbH
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdint.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <cpu/x86/lapic.h>
#include <arch/acpi.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 <bootmode.h>
#include <ec/quanta/it8518/ec.h>
#include "ec.h"
#include "onboard.h"
void mainboard_pch_lpc_setup(void)
{
/*
* Enable:
* EC Decode Range Port62/66
* SuperIO Port2E/2F
* PS/2 Keyboard/Mouse Port60/64
* FDD Port3F0h-3F5h and Port3F7h
*/
pci_write_config16(PCH_LPC_DEV, LPC_EN, KBC_LPC_EN | MC_LPC_EN |
CNF1_LPC_EN | FDD_LPC_EN);
}
void mainboard_late_rcba_config(void)
{
u32 reg32;
/*
* GFX INTA -> PIRQA (MSI)
* D20IP_XHCI XHCI INTA -> PIRQD (MSI)
* D26IP_E2P EHCI #2 INTA -> PIRQF
* D27IP_ZIP HDA INTA -> PIRQA (MSI)
* D28IP_P2IP WLAN INTA -> PIRQD
* D28IP_P3IP Card Reader INTB -> PIRQE
* D28IP_P6IP LAN INTC -> PIRQB
* D29IP_E1P EHCI #1 INTA -> PIRQD
* D31IP_SIP SATA INTA -> PIRQB (MSI)
* D31IP_SMIP SMBUS INTB -> PIRQH
*/
/* Device interrupt pin register (board specific) */
RCBA32(D31IP) = (NOINT << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
(INTB << D31IP_SMIP) | (INTA << D31IP_SIP);
RCBA32(D30IP) = (NOINT << D30IP_PIP);
RCBA32(D29IP) = (INTA << D29IP_E1P);
RCBA32(D28IP) = (NOINT << D28IP_P1IP) | (INTA << D28IP_P2IP) |
(INTB << D28IP_P3IP) | (NOINT << D28IP_P4IP) |
(NOINT << D28IP_P5IP) | (INTC << D28IP_P6IP) |
(NOINT << D28IP_P7IP) | (NOINT << D28IP_P8IP);
RCBA32(D27IP) = (INTA << D27IP_ZIP);
RCBA32(D26IP) = (INTA << D26IP_E2P);
RCBA32(D25IP) = (NOINT << D25IP_LIP);
RCBA32(D22IP) = (NOINT << D22IP_MEI1IP);
RCBA32(D20IP) = (INTA << D20IP_XHCIIP);
/* Device interrupt route registers */
DIR_ROUTE(D31IR, PIRQB, PIRQH, PIRQA, PIRQC);
DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG);
DIR_ROUTE(D28IR, PIRQD, PIRQE, PIRQB, PIRQC);
DIR_ROUTE(D27IR, PIRQA, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D26IR, PIRQF, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D20IR, PIRQD, PIRQE, PIRQF, PIRQG);
/* Enable IOAPIC (generic) */
RCBA16(OIC) = 0x0100;
/* PCH BWG says to read back the IOAPIC enable register */
(void) RCBA16(OIC);
/* Disable unused devices (board specific) */
reg32 = RCBA32(FD);
/* Disable PCI bridge so MRC does not probe this bus */
reg32 |= PCH_DISABLE_P2P;
RCBA32(FD) = reg32;
}
/*
* The Stout EC needs to be reset to RW mode. It is important that
* the RTC_PWR_STS is not set until ramstage EC init.
*/
static void early_ec_init(void)
{
u8 ec_status = ec_read(EC_STATUS_REG);
int rec_mode = get_recovery_mode_switch();
if (((ec_status & 0x3) == EC_IN_RO_MODE) ||
((ec_status & 0x3) == EC_IN_RECOVERY_MODE)) {
printk(BIOS_DEBUG, "EC Cold Boot Detected\n");
if (!rec_mode) {
/*
* Tell EC to exit RO mode
*/
printk(BIOS_DEBUG, "EC will exit RO mode and boot normally\n");
ec_write_cmd(EC_CMD_EXIT_BOOT_BLOCK);
die("wait for ec to reset");
}
} else {
printk(BIOS_DEBUG, "EC Warm Boot Detected\n");
ec_write_cmd(EC_CMD_WARM_RESET);
}
}
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 = (uintptr_t)DEFAULT_MCHBAR,
.dmibar = (uintptr_t)DEFAULT_DMIBAR,
.epbar = DEFAULT_EPBAR,
.pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
.smbusbar = SMBUS_IO_BASE,
.wdbbar = 0x4000000,
.wdbsize = 0x1000,
.hpet_address = CONFIG_HPET_ADDRESS,
.rcba = (uintptr_t)DEFAULT_RCBABASE,
.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,
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
// 2 = disable dimm 1 on channel
// 3 = disable dimm 0+1 on channel
.dimm_channel0_disabled = 2,
.dimm_channel1_disabled = 2,
.max_ddr3_freq = 1600,
.usb_port_config = {
/* enabled usb oc pin length */
{ 1, 0, 0x0040 }, /* P0: USB 3.0 1 (OC0) */
{ 1, 0, 0x0040 }, /* P1: USB 3.0 2 (OC0) */
{ 0, 1, 0x0000 }, /* P2: Empty */
{ 1, 1, 0x0040 }, /* P3: Camera (no OC) */
{ 1, 1, 0x0040 }, /* P4: WLAN (no OC) */
{ 1, 1, 0x0040 }, /* P5: WWAN (no OC) */
{ 0, 1, 0x0000 }, /* P6: Empty */
{ 0, 1, 0x0000 }, /* P7: Empty */
{ 0, 5, 0x0000 }, /* P8: Empty */
{ 1, 4, 0x0040 }, /* P9: USB 2.0 (AUO4) (OC4) */
{ 0, 5, 0x0000 }, /* P10: Empty */
{ 0, 5, 0x0000 }, /* P11: Empty */
{ 0, 5, 0x0000 }, /* P12: Empty */
{ 1, 5, 0x0040 }, /* P13: Bluetooth (no OC) */
},
.usb3 = {
.mode = XHCI_MODE,
.hs_port_switch_mask = XHCI_PORTS,
.preboot_support = XHCI_PREBOOT,
.xhci_streams = XHCI_STREAMS,
},
};
*pei_data = pei_data_template;
}
void mainboard_early_init(int s3resume)
{
/* Do ec reset as early as possible, but skip it on S3 resume */
if (!s3resume) {
early_ec_init();
}
}
int mainboard_should_reset_usb(int s3resume)
{
return !s3resume;
}
const struct southbridge_usb_port mainboard_usb_ports[] = {
/* enabled usb oc pin length */
{1, 0, 0}, /* P0: USB 3.0 1 (OC0) */
{1, 0, 0}, /* P1: USB 3.0 2 (OC0) */
{0, 0, 0}, /* P2: Empty */
{1, 0, -1}, /* P3: Camera (no OC) */
{1, 0, -1}, /* P4: WLAN (no OC) */
{1, 0, -1}, /* P5: WWAN (no OC) */
{0, 0, 0}, /* P6: Empty */
{0, 0, 0}, /* P7: Empty */
{0, 0, 0}, /* P8: Empty */
{1, 0, 4}, /* P9: USB 2.0 (AUO4) (OC4) */
{0, 0, 0}, /* P10: Empty */
{0, 0, 0}, /* P11: Empty */
{0, 0, 0}, /* P12: Empty */
{1, 0, -1}, /* P13: Bluetooth (no OC) */
};
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