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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <bootblock_common.h>
#include <stdint.h>
#include <device/pnp_ops.h>
#include <device/pci_ops.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/msr.h>
#include <device/pci_def.h>
#include <northbridge/intel/sandybridge/raminit_native.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
#include <superio/winbond/common/winbond.h>
void mainboard_pch_lpc_setup(void)
{
/* Set COM3/COM1 decode ranges: 0x3e8/0x3f8 */
pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0070);
/* Enable KBC on 0x06/0x64 (KBC),
* EC on 0x62/0x66 (MC),
* EC on 0x20c-0x20f (GAMEH),
* Super I/O on 0x2e/0x2f (CNF1),
* COM1/COM3 decode ranges. */
pci_write_config16(PCH_LPC_DEV, LPC_EN,
KBC_LPC_EN | MC_LPC_EN |
CNF1_LPC_EN | GAMEH_LPC_EN |
COMA_LPC_EN | COMB_LPC_EN);
}
void bootblock_mainboard_early_init(void)
{
int lvds_3v = 0; /* 0 (5V) or 1 (3V3) */
int dis_bl_inv = 1; /* backlight inversion: 1 = disabled, 0 = enabled */
pnp_devfn_t dev = PNP_DEV(0x2e, 0x9);
pnp_enter_conf_state(dev);
pnp_write_config(dev, 0x29, 0x02); /* Pins 119, 120 are GPIO21, 20 */
pnp_write_config(dev, 0x30, 0x03); /* Enable GPIO2+3 */
pnp_write_config(dev, 0x2a, 0x01); /* Pins 62, 63, 65, 66 are
GPIO27, 26, 25, 24 */
pnp_write_config(dev, 0x2c, 0xc3); /* Pin 90 is GPIO32,
Pins 78~85 are UART B */
pnp_write_config(dev, 0x2d, 0x00); /* Pins 67, 68, 70~73, 75, 77 are
GPIO57~50 */
pnp_set_logical_device(dev);
/* Values can only be changed, when devices are enabled. */
pnp_write_config(dev, 0xe3, 0xdd); /* GPIO2 bits 1, 5 are output */
pnp_write_config(dev, 0xe4, (dis_bl_inv << 5) | (lvds_3v << 1)); /* GPIO2 bits 1, 5 */
pnp_write_config(dev, 0xf3, 0x40); /* Disable suspend LED during normal operation */
pnp_exit_conf_state(dev);
}
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,
.gbe_enable = 1,
.ddr3lv_support = 0,
/*
* 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: lower left USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P1: upper left USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P2: lower right USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P3: upper right USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P4: lower USB 2.0 (OC0) */
{ 1, 0, 0x0040 }, /* P5: upper USB 2.0 (OC0) */
{ 1, 0, 0x0040 }, /* P6: front panel USB 2.0 (OC0) */
{ 1, 0, 0x0040 }, /* P7: front panel USB 2.0 (OC0) */
{ 1, 4, 0x0040 }, /* P8: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P9: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P10: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P11: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P12: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P13: internal USB 2.0 (OC4) */
},
.usb3 = {
.mode = 3, /* Smart Auto? */
.hs_port_switch_mask = 0xf, /* All four ports. */
.preboot_support = 1, /* preOS driver? */
.xhci_streams = 1, /* Enable. */
},
.pcie_init = 1,
};
*pei_data = pei_data_template;
}
const struct southbridge_usb_port mainboard_usb_ports[] = {
/* enabled power USB oc pin */
{ 1, 0, 0 }, /* P0: lower left USB 3.0 (OC0) */
{ 1, 0, 0 }, /* P1: upper left USB 3.0 (OC0) */
{ 1, 0, 0 }, /* P2: lower right USB 3.0 (OC0) */
{ 1, 0, 0 }, /* P3: upper right USB 3.0 (OC0) */
{ 1, 0, 0 }, /* P4: lower USB 2.0 (OC0) */
{ 1, 0, 0 }, /* P5: upper USB 2.0 (OC0) */
{ 1, 0, 0 }, /* P6: front panel USB 2.0 (OC0) */
{ 1, 0, 0 }, /* P7: front panel USB 2.0 (OC0) */
{ 1, 0, 4 }, /* P8: internal USB 2.0 (OC4) */
{ 1, 0, 4 }, /* P9: internal USB 2.0 (OC4) */
{ 1, 0, 4 }, /* P10: internal USB 2.0 (OC4) */
{ 1, 0, 4 }, /* P11: internal USB 2.0 (OC4) */
{ 1, 0, 4 }, /* P12: internal USB 2.0 (OC4) */
{ 1, 0, 4 }, /* P13: internal USB 2.0 (OC4) */
};
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_early_init(int s3resume)
{
/* Enable PEG10 (1x16) */
pci_write_config32(PCI_DEV(0, 0, 0), DEVEN,
pci_read_config32(PCI_DEV(0, 0, 0), DEVEN) |
DEVEN_PEG10);
}
int mainboard_should_reset_usb(int s3resume)
{
return !s3resume;
}
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