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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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <string.h>
#include <lib.h>
#include <timestamp.h>
#include <arch/io.h>
#include <arch/romcc_io.h>
#include <device/pci_def.h>
#include <device/pnp_def.h>
#include <cpu/x86/lapic.h>
#include <pc80/mc146818rtc.h>
#include <cbmem.h>
#include <console/console.h>
#include "northbridge/intel/haswell/haswell.h"
#include "northbridge/intel/haswell/raminit.h"
#include "southbridge/intel/lynxpoint/pch.h"
#include "southbridge/intel/lynxpoint/me.h"
#include <arch/cpu.h>
#include <cpu/x86/bist.h>
#include <cpu/x86/msr.h>
#include "gpio.h"
#if CONFIG_CHROMEOS
#include <vendorcode/google/chromeos/chromeos.h>
#endif
const struct rcba_config_instruction rcba_config[] = {
/*
* GFX INTA -> PIRQA (MSI)
* D28IP_P1IP WLAN INTA -> PIRQB
* D28IP_P4IP ETH0 INTB -> PIRQC
* D29IP_E1P EHCI1 INTA -> PIRQD
* D26IP_E2P EHCI2 INTA -> PIRQE
* D31IP_SIP SATA INTA -> PIRQF (MSI)
* D31IP_SMIP SMBUS INTB -> PIRQG
* D31IP_TTIP THRT INTC -> PIRQH
* D27IP_ZIP HDA INTA -> PIRQG (MSI)
*/
/* Device interrupt pin register (board specific) */
RCBA_SET_REG_32(D31IP, (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
(INTB << D31IP_SMIP) | (INTA << D31IP_SIP)),
RCBA_SET_REG_32(D30IP, (NOINT << D30IP_PIP)),
RCBA_SET_REG_32(D29IP, (INTA << D29IP_E1P)),
RCBA_SET_REG_32(D28IP, (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) |
(INTB << D28IP_P4IP)),
RCBA_SET_REG_32(D27IP, (INTA << D27IP_ZIP)),
RCBA_SET_REG_32(D26IP, (INTA << D26IP_E2P)),
RCBA_SET_REG_32(D25IP, (NOINT << D25IP_LIP)),
RCBA_SET_REG_32(D22IP, (NOINT << D22IP_MEI1IP)),
/* Device interrupt route registers */
RCBA_SET_REG_32(D31IR, DIR_ROUTE(PIRQF, PIRQG, PIRQH, PIRQA)),
RCBA_SET_REG_32(D29IR, DIR_ROUTE(PIRQD, PIRQE, PIRQF, PIRQG)),
RCBA_SET_REG_32(D28IR, DIR_ROUTE(PIRQB, PIRQC, PIRQD, PIRQE)),
RCBA_SET_REG_32(D27IR, DIR_ROUTE(PIRQG, PIRQH, PIRQA, PIRQB)),
RCBA_SET_REG_32(D26IR, DIR_ROUTE(PIRQE, PIRQF, PIRQG, PIRQH)),
RCBA_SET_REG_32(D25IR, DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD)),
RCBA_SET_REG_32(D22IR, DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD)),
/* Disable unused devices (board specific) */
RCBA_RMW_REG_32(FD, ~0, PCH_DISABLE_ALWAYS),
RCBA_END_CONFIG,
};
void main(unsigned long bist)
{
int boot_mode = 0;
int wake_from_s3;
int cbmem_was_initted;
#if CONFIG_COLLECT_TIMESTAMPS
tsc_t start_romstage_time;
tsc_t before_dram_time;
tsc_t after_dram_time;
tsc_t base_time = {
.lo = pci_read_config32(PCI_DEV(0, 0x00, 0), 0xdc),
.hi = pci_read_config32(PCI_DEV(0, 0x1f, 2), 0xd0)
};
#endif
struct pei_data pei_data = {
pei_version: PEI_VERSION,
mchbar: DEFAULT_MCHBAR,
dmibar: DEFAULT_DMIBAR,
epbar: DEFAULT_EPBAR,
pciexbar: DEFAULT_PCIEXBAR,
smbusbar: SMBUS_IO_BASE,
wdbbar: 0x4000000,
wdbsize: 0x1000,
hpet_address: HPET_ADDR,
rcba: DEFAULT_RCBA,
pmbase: DEFAULT_PMBASE,
gpiobase: DEFAULT_GPIOBASE,
temp_mmio_base: 0xfed08000,
system_type: 0, // 0 Mobile, 1 Desktop/Server
tseg_size: CONFIG_SMM_TSEG_SIZE,
spd_addresses: { 0xa0, 0xa2, 0xa4, 0xa6 },
ec_present: 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: 0,
dimm_channel1_disabled: 0,
max_ddr3_freq: 1600,
usb_port_config: {
{ 1, 0, 0x0040 }, /* P0: Back USB3 port (OC0) */
{ 1, 0, 0x0040 }, /* P1: Back USB3 port (OC0) */
{ 1, 1, 0x0040 }, /* P2: Flex Port on bottom (OC1) */
{ 1, 8, 0x0040 }, /* P3: Docking connector (no OC) */
{ 1, 8, 0x0040 }, /* P4: Mini PCIE (no OC) */
{ 1, 1, 0x0040 }, /* P5: USB eSATA header (OC1) */
{ 1, 3, 0x0040 }, /* P6: Front Header J8H2 (OC3) */
{ 1, 3, 0x0040 }, /* P7: Front Header J8H2 (OC3) */
{ 1, 4, 0x0040 }, /* P8: USB/LAN Jack (OC4) */
{ 1, 4, 0x0040 }, /* P9: USB/LAN Jack (OC4) */
{ 1, 5, 0x0040 }, /* P10: Front Header J7H3 (OC5) */
{ 1, 5, 0x0040 }, /* P11: Front Header J7H3 (OC5) */
{ 1, 6, 0x0040 }, /* P12: USB/DP Jack (OC6) */
{ 1, 6, 0x0040 }, /* P13: USB/DP Jack (OC6) */
},
};
#if CONFIG_COLLECT_TIMESTAMPS
start_romstage_time = rdtsc();
#endif
if (bist == 0)
enable_lapic();
wake_from_s3 = early_pch_init(&mainboard_gpio_map, &rcba_config[0]);
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
/* Perform some early chipset initialization required
* before RAM initialization can work
*/
haswell_early_initialization(HASWELL_MOBILE);
printk(BIOS_DEBUG, "Back from haswell_early_initialization()\n");
if (wake_from_s3) {
#if CONFIG_HAVE_ACPI_RESUME
printk(BIOS_DEBUG, "Resume from S3 detected.\n");
boot_mode = 2;
#else
printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
#endif
}
/* Prepare USB controller early in S3 resume */
if (boot_mode == 2)
enable_usb_bar();
post_code(0x3a);
pei_data.boot_mode = boot_mode;
#if CONFIG_COLLECT_TIMESTAMPS
before_dram_time = rdtsc();
#endif
report_platform_info();
sdram_initialize(&pei_data);
#if CONFIG_COLLECT_TIMESTAMPS
after_dram_time = rdtsc();
#endif
post_code(0x3b);
intel_early_me_status();
quick_ram_check();
post_code(0x3e);
MCHBAR16(SSKPD) = 0xCAFE;
#if CONFIG_EARLY_CBMEM_INIT
cbmem_was_initted = !cbmem_initialize();
#else
cbmem_was_initted = cbmem_reinit((uint64_t) (get_top_of_ram()
- HIGH_MEMORY_SIZE));
#endif
#if CONFIG_HAVE_ACPI_RESUME
/* If there is no high memory area, we didn't boot before, so
* this is not a resume. In that case we just create the cbmem toc.
*/
*(u32 *)CBMEM_BOOT_MODE = 0;
*(u32 *)CBMEM_RESUME_BACKUP = 0;
if ((boot_mode == 2) && cbmem_was_initted) {
void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
if (resume_backup_memory) {
*(u32 *)CBMEM_BOOT_MODE = boot_mode;
*(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory;
}
/* Magic for S3 resume */
pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
} else if (boot_mode == 2) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
while (1) {
hlt();
}
} else {
pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe);
}
#endif
post_code(0x3f);
#if CONFIG_CHROMEOS
init_chromeos(boot_mode);
#endif
#if CONFIG_COLLECT_TIMESTAMPS
timestamp_init(base_time);
timestamp_add(TS_START_ROMSTAGE, start_romstage_time );
timestamp_add(TS_BEFORE_INITRAM, before_dram_time );
timestamp_add(TS_AFTER_INITRAM, after_dram_time );
timestamp_add_now(TS_END_ROMSTAGE);
#endif
#if CONFIG_CONSOLE_CBMEM
/* Keep this the last thing this function does. */
cbmemc_reinit();
#endif
}
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