blob: 26b9dcc81373f17a04d697a199df2ce46df77b65 [file] [log] [blame]
/*
* 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 <string.h>
#include <arch/io.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <cpu/x86/lapic.h>
#include <cbfs.h>
#include <console/console.h>
#include <bootmode.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 "option_table.h"
#if CONFIG(DRIVERS_UART_8250IO)
#include <superio/smsc/lpc47n207/lpc47n207.h>
#endif
void pch_enable_lpc(void)
{
/* Set COM1/COM2 decode range */
pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0010);
#if CONFIG(DRIVERS_UART_8250IO)
/* Enable SuperIO + EC + KBC + COM1 + lpc47n207 config*/
pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | MC_LPC_EN |
KBC_LPC_EN | CNF2_LPC_EN | COMA_LPC_EN);
/* map full 256 bytes at 0x1600 to the LPC bus */
pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0xfc1601);
try_enabling_LPC47N207_uart();
#else
/* Enable SuperIO + EC + KBC */
pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | MC_LPC_EN |
KBC_LPC_EN);
#endif
}
void mainboard_rcba_config(void)
{
/*
* GFX INTA -> PIRQA (MSI)
* D28IP_P1IP WLAN INTA -> PIRQB
* D28IP_P4IP ETH0 INTB -> PIRQC (MSI)
* D29IP_E1P EHCI1 INTA -> PIRQD
* D26IP_E2P EHCI2 INTA -> PIRQB
* D31IP_SIP SATA INTA -> PIRQA (MSI)
* D31IP_SMIP SMBUS INTC -> PIRQH
* D31IP_TTIP THRT INTB -> PIRQG
* D27IP_ZIP HDA INTA -> PIRQG (MSI)
*
* LIGHTSENSOR -> PIRQE (Edge Triggered)
* TRACKPAD -> PIRQF (Edge Triggered)
*/
/* Device interrupt pin register (board specific) */
RCBA32(D31IP) = (INTB << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
(INTC << D31IP_SMIP) | (INTA << D31IP_SIP);
RCBA32(D30IP) = (NOINT << D30IP_PIP);
RCBA32(D29IP) = (INTA << D29IP_E1P);
RCBA32(D28IP) = (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) |
(INTB << D28IP_P4IP);
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, PIRQA, PIRQG, PIRQH, PIRQB);
DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQG, PIRQH);
DIR_ROUTE(D28IR, PIRQB, PIRQC, PIRQD, PIRQE);
DIR_ROUTE(D27IR, PIRQG, PIRQH, PIRQA, PIRQB);
DIR_ROUTE(D26IR, PIRQB, PIRQC, PIRQD, PIRQA);
DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD);
/* Enable IOAPIC (generic) */
RCBA16(OIC) = 0x0100;
/* PCH BWG says to read back the IOAPIC enable register */
(void) RCBA16(OIC);
}
static const uint8_t *locate_spd(void)
{
typedef const uint8_t spd_blob[256];
spd_blob *spd_data;
size_t spd_file_len;
u32 gp_lvl2 = inl(DEFAULT_GPIOBASE + 0x38);
u8 gpio33, gpio41, gpio49;
gpio33 = (gp_lvl2 >> (33-32)) & 1;
gpio41 = (gp_lvl2 >> (41-32)) & 1;
gpio49 = (gp_lvl2 >> (49-32)) & 1;
printk(BIOS_DEBUG, "Memory Straps:\n");
printk(BIOS_DEBUG, " - memory capacity %dGB\n",
gpio33 ? 2 : 1);
printk(BIOS_DEBUG, " - die revision %d\n",
gpio41 ? 2 : 1);
printk(BIOS_DEBUG, " - vendor %s\n",
gpio49 ? "Samsung" : "Other");
int spd_index = 0;
switch ((gpio49 << 2) | (gpio41 << 1) | gpio33) {
case 0: // Other 1G Rev 1
spd_index = 0;
break;
case 2: // Other 1G Rev 2
spd_index = 1;
break;
case 1: // Other 2G Rev 1
case 3: // Other 2G Rev 2
spd_index = 2;
break;
case 4: // Samsung 1G Rev 1
spd_index = 3;
break;
case 6: // Samsung 1G Rev 2
spd_index = 4;
break;
case 5: // Samsung 2G Rev 1
case 7: // Samsung 2G Rev 2
spd_index = 5;
break;
}
spd_data = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_file_len);
if (!spd_data)
die("SPD data not found.");
if (spd_file_len < (spd_index + 1) * 256)
die("Missing SPD data.");
return spd_data[spd_index];
}
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, 0x00,0x00,0x00 },
.ts_addresses = { 0x30, 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 = 1333,
.usb_port_config = {
{ 1, 0, 0x0080 }, /* P0: Port 0 (OC0) */
{ 1, 1, 0x0080 }, /* P1: Port 1 (OC1) */
{ 1, 0, 0x0040 }, /* P2: MINIPCIE1 (no OC) */
{ 1, 0, 0x0040 }, /* P3: MMC (no OC) */
{ 0, 0, 0x0000 }, /* P4: Empty */
{ 0, 0, 0x0000 }, /* P5: Empty */
{ 0, 0, 0x0000 }, /* P6: Empty */
{ 0, 0, 0x0000 }, /* P7: Empty */
{ 1, 4, 0x0040 }, /* P8: MINIPCIE2 (no OC) */
{ 0, 4, 0x0000 }, /* P9: Empty */
{ 0, 4, 0x0000 }, /* P10: Empty */
{ 1, 4, 0x0040 }, /* P11: Camera (no OC) */
{ 0, 4, 0x0000 }, /* P12: Empty */
{ 0, 4, 0x0000 }, /* P13: Empty */
},
};
*pei_data = pei_data_template;
memcpy(pei_data->spd_data[0], locate_spd(), 256);
}
const struct southbridge_usb_port mainboard_usb_ports[] = {
/* enabled power usb oc pin */
{ 1, 1, 0 }, /* P0: Port 0 (OC0) */
{ 1, 1, 1 }, /* P1: Port 1 (OC1) */
{ 1, 0, -1 }, /* P2: MINIPCIE1 (no OC) */
{ 1, 0, -1 }, /* P3: MMC (no OC) */
{ 0, 0, -1 }, /* P4: Empty */
{ 0, 0, -1 }, /* P5: Empty */
{ 0, 0, -1 }, /* P6: Empty */
{ 0, 0, -1 }, /* P7: Empty */
{ 1, 0, -1 }, /* P8: MINIPCIE2 (no OC) */
{ 0, 0, -1 }, /* P9: Empty */
{ 0, 0, -1 }, /* P10: Empty */
{ 1, 0, -1 }, /* P11: Camera (no OC) */
{ 0, 0, -1 }, /* P12: Empty */
{ 0, 0, -1 }, /* P13: Empty */
};
void mainboard_get_spd(spd_raw_data *spd, bool id_only)
{
/* get onboard dimm spd */
memcpy(&spd[2], locate_spd(), 256);
/* read removable dimm spd */
read_spd(&spd[0], 0x50, id_only);
}
void mainboard_early_init(int s3resume)
{
init_bootmode_straps();
}
int mainboard_should_reset_usb(int s3resume)
{
return !s3resume;
}
void mainboard_config_superio(void)
{
}