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mainboard/google: add initial rambi mainboard support 

BUG=chrome-os-partner:23121
BRANCH=None
TEST=None

Change-Id: I283415be326e2d92e1e1bf7866954f17a7266edb
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/171940
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-on: http://review.coreboot.org/4865
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Aaron Durbin 2013-10-04 16:00:07 -05:00 committed by Aaron Durbin
parent 189aa3e2ae
commit c625d0983c
21 changed files with 1746 additions and 0 deletions
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3
src/mainboard/google/Kconfig
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@ -40,6 +40,8 @@ config BOARD_GOOGLE_PEPPY
bool "Peppy"
config BOARD_GOOGLE_PIT
bool "Pit"
config BOARD_GOOGLE_RAMBI
bool "Rambi"
config BOARD_GOOGLE_SLIPPY
bool "Slippy"
config BOARD_GOOGLE_SNOW
@ -56,6 +58,7 @@ source "src/mainboard/google/link/Kconfig"
source "src/mainboard/google/parrot/Kconfig"
source "src/mainboard/google/peppy/Kconfig"
source "src/mainboard/google/pit/Kconfig"
source "src/mainboard/google/rambi/Kconfig"
source "src/mainboard/google/slippy/Kconfig"
source "src/mainboard/google/snow/Kconfig"
source "src/mainboard/google/stout/Kconfig"

36
src/mainboard/google/rambi/Kconfig Normal file
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@ -0,0 +1,36 @@
if BOARD_GOOGLE_RAMBI
config BOARD_SPECIFIC_OPTIONS
def_bool y
select ARCH_X86
select SOC_INTEL_BAYTRAIL
select ENABLE_BUILTIN_COM1
select BOARD_ROMSIZE_KB_8192
select HAVE_ACPI_TABLES
select HAVE_OPTION_TABLE
select HAVE_ACPI_RESUME
select MAINBOARD_HAS_CHROMEOS
select CHROMEOS
select MARK_GRAPHICS_MEM_WRCOMB
config MAINBOARD_DIR
string
default google/rambi
config MAINBOARD_PART_NUMBER
string
default "RAMBI"
config VGA_BIOS_FILE
string
default "pci8086,0166.rom"
config HAVE_IFD_BIN
bool
default n
config HAVE_ME_BIN
bool
default n
endif # BOARD_INTEL_BAYLEYBAY

24
src/mainboard/google/rambi/Makefile.inc Normal file
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@ -0,0 +1,24 @@
##
## This file is part of the coreboot project.
##
## Copyright (C) 2013 Google Inc.
##
## 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
##
romstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-$(CONFIG_CHROMEOS) += gpio.c
smm-$(CONFIG_HAVE_SMI_HANDLER) += mainboard_smi.c

24
src/mainboard/google/rambi/acpi/chromeos.asl Normal file
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@ -0,0 +1,24 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Google Inc.
*
* 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
*/
Name(OIPG, Package() {
Package () { 0x0001, 0, 0xFF, "LynxPoint" }, // recovery
Package () { 0x0002, 0, 0xFF, "LynxPoint" }, // developer
Package () { 0x0003, 0, 0xFF, "LynxPoint" }, // firmware write protect
})

37
src/mainboard/google/rambi/acpi/ec.asl Normal file
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@ -0,0 +1,37 @@
Device (EC0)
{
Name (_HID, EISAID ("PNP0C09"))
Name (_UID, 1)
Name (_GPE, 10) // GPIO 10 is SMC_RUNTIME_SCI_N
OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff)
Field (ERAM, ByteAcc, Lock, Preserve)
{
Offset (0x03),
ACPR, 1, // AC Power (1=present)
, 2,
CFAN, 1, // CPU Fan (1=on)
, 2,
LIDS, 1, // Lid State (1=open)
, 1,
SPTR, 8, // SMBUS Protocol Register
SSTS, 8, // SMBUS Status Register
SADR, 8, // SMBUS Address Register
SCMD, 8, // SMBUS Command Register
SBFR, 256, // SMBUS Block Buffer
SCNT, 8, // SMBUS Block Count
Offset (0x3a),
ECMD, 8, // EC Command Register
Offset (0x82),
PECL, 8, // PECI fractional (1/64 Celsius)
PECH, 8, // PECI integer (Celsius)
}
Name (_CRS, ResourceTemplate()
{
IO (Decode16, 0x62, 0x62, 0, 1)
IO (Decode16, 0x66, 0x66, 0, 1)
})
}

28
src/mainboard/google/rambi/acpi/mainboard.asl Normal file
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@ -0,0 +1,28 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Google Inc.
*
* 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
*/
Device (PWRB)
{
Name(_HID, EisaId("PNP0C0C"))
// Wake from deep sleep via GPIO27
Name(_PRW, Package(){27, 4})
}

73
src/mainboard/google/rambi/acpi/platform.asl Normal file
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@ -0,0 +1,73 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2012 Google Inc.
*
* 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
*/
/* The APM port can be used for generating software SMIs */
OperationRegion (APMP, SystemIO, 0xb2, 2)
Field (APMP, ByteAcc, NoLock, Preserve)
{
APMC, 8, // APM command
APMS, 8 // APM status
}
/* Port 80 POST */
OperationRegion (POST, SystemIO, 0x80, 1)
Field (POST, ByteAcc, Lock, Preserve)
{
DBG0, 8
}
/* SMI I/O Trap */
Method(TRAP, 1, Serialized)
{
Store (Arg0, SMIF) // SMI Function
Store (0, TRP0) // Generate trap
Return (SMIF) // Return value of SMI handler
}
/* The _PIC method is called by the OS to choose between interrupt
* routing via the i8259 interrupt controller or the APIC.
*
* _PIC is called with a parameter of 0 for i8259 configuration and
* with a parameter of 1 for Local Apic/IOAPIC configuration.
*/
Method(_PIC, 1)
{
// Remember the OS' IRQ routing choice.
Store(Arg0, PICM)
}
/* The _PTS method (Prepare To Sleep) is called before the OS is
* entering a sleep state. The sleep state number is passed in Arg0
*/
Method(_PTS,1)
{
}
/* The _WAK method is called on system wakeup */
Method(_WAK,1)
{
Return(Package(){0,0})
}

20
src/mainboard/google/rambi/acpi/superio.asl Normal file
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@ -0,0 +1,20 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Google Inc.
*
* 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
*/
/* Values should match those defined in devicetree.cb */

246
src/mainboard/google/rambi/acpi/thermal.asl Normal file
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@ -0,0 +1,246 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Google Inc.
*
* 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
*/
// Thermal Zone
Scope (\_TZ)
{
ThermalZone (THRM)
{
Name (_TC1, 0x02)
Name (_TC2, 0x05)
// Thermal zone polling frequency: 0 seconds
Name (_TZP, 0)
// Thermal sampling period for passive cooling: 2 seconds
Name (_TSP, 20)
// Convert from Degrees C to 1/10 Kelvin for ACPI
Method (CTOK, 1) {
// 10th of Degrees C
Multiply (Arg0, 10, Local0)
// Convert to Kelvin
Add (Local0, 2732, Local0)
Return (Local0)
}
// Threshold for OS to shutdown
Method (_CRT, 0, Serialized)
{
Return (CTOK (\TCRT))
}
// Threshold for passive cooling
Method (_PSV, 0, Serialized)
{
Return (CTOK (\TPSV))
}
// Processors used for passive cooling
Method (_PSL, 0, Serialized)
{
Return (\PPKG ())
}
Method (_TMP, 0, Serialized)
{
Return (CTOK (30))
}
Method (_AC0) {
If (LLessEqual (\FLVL, 0)) {
Return (CTOK (\F0OF))
} Else {
Return (CTOK (\F0ON))
}
}
Method (_AC1) {
If (LLessEqual (\FLVL, 1)) {
Return (CTOK (\F1OF))
} Else {
Return (CTOK (\F1ON))
}
}
Method (_AC2) {
If (LLessEqual (\FLVL, 2)) {
Return (CTOK (\F2OF))
} Else {
Return (CTOK (\F2ON))
}
}
Method (_AC3) {
If (LLessEqual (\FLVL, 3)) {
Return (CTOK (\F3OF))
} Else {
Return (CTOK (\F3ON))
}
}
Method (_AC4) {
If (LLessEqual (\FLVL, 4)) {
Return (CTOK (\F4OF))
} Else {
Return (CTOK (\F4ON))
}
}
Name (_AL0, Package () { FAN0 })
Name (_AL1, Package () { FAN1 })
Name (_AL2, Package () { FAN2 })
Name (_AL3, Package () { FAN3 })
Name (_AL4, Package () { FAN4 })
PowerResource (FNP0, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 0)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
Store (0, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
Method (_OFF) {
Store (1, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
PowerResource (FNP1, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 1)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
Store (1, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
Method (_OFF) {
Store (2, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
PowerResource (FNP2, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 2)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
Store (2, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
Method (_OFF) {
Store (3, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
PowerResource (FNP3, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 3)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
Store (3, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
Method (_OFF) {
Store (4, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
PowerResource (FNP4, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 4)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
Store (4, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
Method (_OFF) {
Store (4, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
Device (FAN0)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 0)
Name (_PR0, Package () { FNP0 })
}
Device (FAN1)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 1)
Name (_PR0, Package () { FNP1 })
}
Device (FAN2)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 2)
Name (_PR0, Package () { FNP2 })
}
Device (FAN3)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 3)
Name (_PR0, Package () { FNP3 })
}
Device (FAN4)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 4)
Name (_PR0, Package () { FNP4 })
}
}
}

43
src/mainboard/google/rambi/acpi/video.asl Normal file
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@ -0,0 +1,43 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
*
* 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
*/
// Brightness write
Method (BRTW, 1, Serialized)
{
// TODO
}
// Hot Key Display Switch
Method (HKDS, 1, Serialized)
{
// TODO
}
// Lid Switch Display Switch
Method (LSDS, 1, Serialized)
{
// TODO
}
// Brightness Notification
Method(BRTN,1,Serialized)
{
// TODO (no displays defined yet)
}

287
src/mainboard/google/rambi/acpi_tables.c Normal file
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@ -0,0 +1,287 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 Google Inc.
*
* 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 <types.h>
#include <string.h>
#include <cbmem.h>
#include <console/console.h>
#include <arch/acpi.h>
#include <arch/ioapic.h>
#include <arch/acpigen.h>
#include <arch/smp/mpspec.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <cpu/cpu.h>
#include <cpu/x86/msr.h>
#include <vendorcode/google/chromeos/gnvs.h>
#include <baytrail/acpi.h>
#include <baytrail/nvs.h>
extern const unsigned char AmlCode[];
#include "thermal.h"
static void acpi_update_thermal_table(global_nvs_t *gnvs)
{
gnvs->f4of = FAN4_THRESHOLD_OFF;
gnvs->f4on = FAN4_THRESHOLD_ON;
gnvs->f4pw = FAN4_PWM;
gnvs->f3of = FAN3_THRESHOLD_OFF;
gnvs->f3on = FAN3_THRESHOLD_ON;
gnvs->f3pw = FAN3_PWM;
gnvs->f2of = FAN2_THRESHOLD_OFF;
gnvs->f2on = FAN2_THRESHOLD_ON;
gnvs->f2pw = FAN2_PWM;
gnvs->f1of = FAN1_THRESHOLD_OFF;
gnvs->f1on = FAN1_THRESHOLD_ON;
gnvs->f1pw = FAN1_PWM;
gnvs->f0of = FAN0_THRESHOLD_OFF;
gnvs->f0on = FAN0_THRESHOLD_ON;
gnvs->f0pw = FAN0_PWM;
gnvs->tcrt = CRITICAL_TEMPERATURE;
gnvs->tpsv = PASSIVE_TEMPERATURE;
gnvs->tmax = MAX_TEMPERATURE;
}
static void acpi_create_gnvs(global_nvs_t *gnvs)
{
gnvs->apic = 1;
gnvs->mpen = 1; /* Enable Multi Processing */
gnvs->pcnt = dev_count_cpu();
/* Enable USB ports in S3 */
gnvs->s3u0 = 1;
gnvs->s3u1 = 1;
/* Disable USB ports in S5 */
gnvs->s5u0 = 0;
gnvs->s5u1 = 0;
/* CBMEM TOC */
gnvs->cmem = 0;
/* TPM Present */
gnvs->tpmp = 1;
/* IGD Displays */
gnvs->ndid = 3;
gnvs->did[0] = 0x80000100;
gnvs->did[1] = 0x80000240;
gnvs->did[2] = 0x80000410;
gnvs->did[3] = 0x80000410;
gnvs->did[4] = 0x00000005;
#if CONFIG_CHROMEOS
// TODO(reinauer) this could move elsewhere?
chromeos_init_vboot(&(gnvs->chromeos));
/* Emerald Lake has no EC (?) */
gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
#endif
/* Update the mem console pointer. */
gnvs->cbmc = (u32)cbmem_find(CBMEM_ID_CONSOLE);
acpi_update_thermal_table(gnvs);
}
unsigned long acpi_fill_madt(unsigned long current)
{
/* Local APICs */
current = acpi_create_madt_lapics(current);
/* IOAPIC */
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
2, IO_APIC_ADDR, 0);
/* INT_SRC_OVR */
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 0, 2, 0);
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH);
return current;
}
unsigned long acpi_fill_ssdt_generator(unsigned long current,
const char *oem_table_id)
{
generate_cpu_entries();
return (unsigned long) (acpigen_get_current());
}
unsigned long acpi_fill_slit(unsigned long current)
{
// Not implemented
return current;
}
unsigned long acpi_fill_srat(unsigned long current)
{
/* No NUMA, no SRAT */
return current;
}
#define ALIGN_CURRENT current = (ALIGN(current, 16))
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;
int i;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
acpi_xsdt_t *xsdt;
acpi_hpet_t *hpet;
acpi_madt_t *madt;
acpi_mcfg_t *mcfg;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
acpi_header_t *ssdt;
acpi_header_t *dsdt;
global_nvs_t *gnvs;
current = start;
/* Align ACPI tables to 16byte */
ALIGN_CURRENT;
printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
/* We need at least an RSDP and an RSDT Table */
rsdp = (acpi_rsdp_t *) current;
current += sizeof(acpi_rsdp_t);
ALIGN_CURRENT;
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
ALIGN_CURRENT;
xsdt = (acpi_xsdt_t *) current;
current += sizeof(acpi_xsdt_t);
ALIGN_CURRENT;
/* clear all table memory */
memset((void *) start, 0, current - start);
acpi_write_rsdp(rsdp, rsdt, xsdt);
acpi_write_rsdt(rsdt);
acpi_write_xsdt(xsdt);
printk(BIOS_DEBUG, "ACPI: * FACS\n");
facs = (acpi_facs_t *) current;
current += sizeof(acpi_facs_t);
ALIGN_CURRENT;
acpi_create_facs(facs);
printk(BIOS_DEBUG, "ACPI: * DSDT\n");
dsdt = (acpi_header_t *) current;
memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
current += dsdt->length;
memcpy(dsdt, &AmlCode, dsdt->length);
ALIGN_CURRENT;
printk(BIOS_DEBUG, "ACPI: * FADT\n");
fadt = (acpi_fadt_t *) current;
current += sizeof(acpi_fadt_t);
ALIGN_CURRENT;
acpi_create_fadt(fadt, facs, dsdt);
acpi_add_table(rsdp, fadt);
/*
* We explicitly add these tables later on:
*/
printk(BIOS_DEBUG, "ACPI: * HPET\n");
hpet = (acpi_hpet_t *) current;
current += sizeof(acpi_hpet_t);
ALIGN_CURRENT;
acpi_create_intel_hpet(hpet);
acpi_add_table(rsdp, hpet);
/* If we want to use HPET Timers Linux wants an MADT */
printk(BIOS_DEBUG, "ACPI: * MADT\n");
madt = (acpi_madt_t *) current;
acpi_create_madt(madt);
current += madt->header.length;
ALIGN_CURRENT;
acpi_add_table(rsdp, madt);
printk(BIOS_DEBUG, "ACPI: * MCFG\n");
mcfg = (acpi_mcfg_t *) current;
acpi_create_mcfg(mcfg);
current += mcfg->header.length;
ALIGN_CURRENT;
acpi_add_table(rsdp, mcfg);
/* Update GNVS pointer into CBMEM */
gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
if (!gnvs) {
printk(BIOS_DEBUG, "ACPI: Could not find CBMEM GNVS\n");
gnvs = (global_nvs_t *)current;
}
for (i=0; i < dsdt->length; i++) {
if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) {
printk(BIOS_DEBUG, "ACPI: Patching up global NVS in "
"DSDT at offset 0x%04x -> %p\n", i, gnvs);
*(u32*)(((u32)dsdt) + i) = (unsigned long)gnvs;
acpi_save_gnvs((unsigned long)gnvs);
break;
}
}
/* And fill it */
acpi_create_gnvs(gnvs);
/* And tell SMI about it */
smm_setup_structures(gnvs, NULL, NULL);
current += sizeof(global_nvs_t);
ALIGN_CURRENT;
/* We patched up the DSDT, so we need to recalculate the checksum */
dsdt->checksum = 0;
dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt,
dsdt->length);
printk(BIOS_DEBUG, "ACPI: * SSDT\n");
ssdt = (acpi_header_t *)current;
acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
current += ssdt->length;
acpi_add_table(rsdp, ssdt);
ALIGN_CURRENT;
printk(BIOS_DEBUG, "ACPI: * SSDT2\n");
ssdt = (acpi_header_t *)current;
acpi_create_serialio_ssdt(ssdt);
current += ssdt->length;
acpi_add_table(rsdp, ssdt);
ALIGN_CURRENT;
printk(BIOS_DEBUG, "current = %lx\n", current);
printk(BIOS_INFO, "ACPI: done.\n");
return current;
}

79
src/mainboard/google/rambi/chromeos.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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 <string.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>
/* Compile-time settings for developer and recovery mode. */
#define DEV_MODE_SETTING 1
#define REC_MODE_SETTING 0
#ifndef __PRE_RAM__
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
#define ACTIVE_LOW 0
#define ACTIVE_HIGH 1
static void fill_lb_gpio(struct lb_gpio *gpio, int polarity,
const char *name, int force)
{
memset(gpio, 0, sizeof(*gpio));
gpio->port = -1;
gpio->polarity = polarity;
if (force >= 0)
gpio->value = force;
strncpy((char *)gpio->name, name, GPIO_MAX_NAME_LENGTH);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio *gpio;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
gpio = gpios->gpios;
fill_lb_gpio(gpio++, ACTIVE_HIGH, "write protect", 0);
fill_lb_gpio(gpio++, ACTIVE_HIGH, "recovery", REC_MODE_SETTING);
fill_lb_gpio(gpio++, ACTIVE_HIGH, "developer", DEV_MODE_SETTING);
fill_lb_gpio(gpio++, ACTIVE_HIGH, "lid", 1); // force open
fill_lb_gpio(gpio++, ACTIVE_HIGH, "power", 0);
fill_lb_gpio(gpio++, ACTIVE_HIGH, "oprom", oprom_is_loaded);
}
#endif
int get_developer_mode_switch(void)
{
return DEV_MODE_SETTING;
}
int get_recovery_mode_switch(void)
{
return REC_MODE_SETTING;
}
int get_write_protect_state(void)
{
return 0;
}

139
src/mainboard/google/rambi/cmos.layout Normal file
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##
## This file is part of the coreboot project.
##
## Copyright (C) 2007-2008 coresystems GmbH
##
## 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
##
# -----------------------------------------------------------------
entries
#start-bit length config config-ID name
#0 8 r 0 seconds
#8 8 r 0 alarm_seconds
#16 8 r 0 minutes
#24 8 r 0 alarm_minutes
#32 8 r 0 hours
#40 8 r 0 alarm_hours
#48 8 r 0 day_of_week
#56 8 r 0 day_of_month
#64 8 r 0 month
#72 8 r 0 year
# -----------------------------------------------------------------
# Status Register A
#80 4 r 0 rate_select
#84 3 r 0 REF_Clock
#87 1 r 0 UIP
# -----------------------------------------------------------------
# Status Register B
#88 1 r 0 auto_switch_DST
#89 1 r 0 24_hour_mode
#90 1 r 0 binary_values_enable
#91 1 r 0 square-wave_out_enable
#92 1 r 0 update_finished_enable
#93 1 r 0 alarm_interrupt_enable
#94 1 r 0 periodic_interrupt_enable
#95 1 r 0 disable_clock_updates
# -----------------------------------------------------------------
# Status Register C
#96 4 r 0 status_c_rsvd
#100 1 r 0 uf_flag
#101 1 r 0 af_flag
#102 1 r 0 pf_flag
#103 1 r 0 irqf_flag
# -----------------------------------------------------------------
# Status Register D
#104 7 r 0 status_d_rsvd
#111 1 r 0 valid_cmos_ram
# -----------------------------------------------------------------
# Diagnostic Status Register
#112 8 r 0 diag_rsvd1
# -----------------------------------------------------------------
0 120 r 0 reserved_memory
#120 264 r 0 unused
# -----------------------------------------------------------------
# RTC_BOOT_BYTE (coreboot hardcoded)
384 1 e 4 boot_option
385 1 e 4 last_boot
388 4 r 0 reboot_bits
#390 2 r 0 unused?
# -----------------------------------------------------------------
# coreboot config options: console
392 3 e 5 baud_rate
395 4 e 6 debug_level
#399 1 r 0 unused
# coreboot config options: cpu
400 1 e 2 hyper_threading
#401 7 r 0 unused
# coreboot config options: southbridge
408 1 e 1 nmi
409 2 e 7 power_on_after_fail
#411 5 r 0 unused
# coreboot config options: bootloader
#Used by ChromeOS:
416 128 r 0 vbnv
#544 440 r 0 unused
# SandyBridge MRC Scrambler Seed values
896 32 r 0 mrc_scrambler_seed
928 32 r 0 mrc_scrambler_seed_s3
# coreboot config options: check sums
984 16 h 0 check_sum
#1000 24 r 0 amd_reserved
# -----------------------------------------------------------------
enumerations
#ID value text
1 0 Disable
1 1 Enable
2 0 Enable
2 1 Disable
4 0 Fallback
4 1 Normal
5 0 115200
5 1 57600
5 2 38400
5 3 19200
5 4 9600
5 5 4800
5 6 2400
5 7 1200
6 1 Emergency
6 2 Alert
6 3 Critical
6 4 Error
6 5 Warning
6 6 Notice
6 7 Info
6 8 Debug
6 9 Spew
7 0 Disable
7 1 Enable
7 2 Keep
# -----------------------------------------------------------------
checksums
checksum 392 415 984

8
src/mainboard/google/rambi/devicetree.cb Normal file
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chip soc/intel/baytrail
device cpu_cluster 0 on end
device domain 0 on
device pci 00.0 on end # SoC router
device pci 02.0 on end # GFX
device pci 1f.0 on end # LPC Bridge
end
end

55
src/mainboard/google/rambi/dsdt.asl Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2011 Google Inc.
*
* 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
*/
#define ENABLE_TPM
DefinitionBlock(
"dsdt.aml",
"DSDT",
0x02, // DSDT revision: ACPI v2.0
"COREv4", // OEM id
"COREBOOT", // OEM table id
0x20110725 // OEM revision
)
{
// Some generic macros
#include "acpi/platform.asl"
// global NVS and variables
#include <soc/intel/baytrail/acpi/globalnvs.asl>
//#include "acpi/thermal.asl"
//#include <soc/intel/baytrail/acpi/cpu.asl>
Scope (\_SB) {
Device (PCI0)
{
//#include <soc/intel/baytrail/acpi/northcluster.asl>
#include <soc/intel/baytrail/acpi/southcluster.asl>
}
}
#include "acpi/chromeos.asl"
#include <vendorcode/google/chromeos/acpi/chromeos.asl>
/* Chipset specific sleep states */
#include <soc/intel/baytrail/acpi/sleepstates.asl>
}

156
src/mainboard/google/rambi/fadt.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
*
* 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 <string.h>
#include <device/pci.h>
#include <arch/acpi.h>
#include <cpu/x86/smm.h>
void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
{
acpi_header_t *header = &(fadt->header);
/* FIXME: hard coded address. */
u16 pmbase = 0x400;
memset((void *) fadt, 0, sizeof(acpi_fadt_t));
memcpy(header->signature, "FACP", 4);
header->length = sizeof(acpi_fadt_t);
header->revision = 3;
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
memcpy(header->asl_compiler_id, ASLC, 4);
header->asl_compiler_revision = 1;
fadt->firmware_ctrl = (unsigned long) facs;
fadt->dsdt = (unsigned long) dsdt;
fadt->model = 1;
fadt->preferred_pm_profile = PM_MOBILE;
fadt->sci_int = 0x9;
fadt->smi_cmd = APM_CNT;
fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
fadt->s4bios_req = 0x0;
fadt->pstate_cnt = 0;
fadt->pm1a_evt_blk = pmbase;
fadt->pm1b_evt_blk = 0x0;
fadt->pm1a_cnt_blk = pmbase + 0x4;
fadt->pm1b_cnt_blk = 0x0;
fadt->pm2_cnt_blk = pmbase + 0x50;
fadt->pm_tmr_blk = pmbase + 0x8;
fadt->gpe0_blk = pmbase + 0x80;
fadt->gpe1_blk = 0;
fadt->pm1_evt_len = 4;
fadt->pm1_cnt_len = 2;
fadt->pm2_cnt_len = 1;
fadt->pm_tmr_len = 4;
fadt->gpe0_blk_len = 32;
fadt->gpe1_blk_len = 0;
fadt->gpe1_base = 0;
fadt->cst_cnt = 0;
fadt->p_lvl2_lat = 1;
fadt->p_lvl3_lat = 87;
fadt->flush_size = 1024;
fadt->flush_stride = 16;
fadt->duty_offset = 1;
fadt->duty_width = 0;
fadt->day_alrm = 0xd;
fadt->mon_alrm = 0x00;
fadt->century = 0x00;
fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
fadt->reset_reg.space_id = 1;
fadt->reset_reg.bit_width = 8;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.resv = 0;
fadt->reset_reg.addrl = 0xcf9;
fadt->reset_reg.addrh = 0;
fadt->reset_value = 6;
fadt->x_firmware_ctl_l = (unsigned long)facs;
fadt->x_firmware_ctl_h = 0;
fadt->x_dsdt_l = (unsigned long)dsdt;
fadt->x_dsdt_h = 0;
fadt->x_pm1a_evt_blk.space_id = 1;
fadt->x_pm1a_evt_blk.bit_width = 32;
fadt->x_pm1a_evt_blk.bit_offset = 0;
fadt->x_pm1a_evt_blk.resv = 0;
fadt->x_pm1a_evt_blk.addrl = pmbase;
fadt->x_pm1a_evt_blk.addrh = 0x0;
fadt->x_pm1b_evt_blk.space_id = 1;
fadt->x_pm1b_evt_blk.bit_width = 0;
fadt->x_pm1b_evt_blk.bit_offset = 0;
fadt->x_pm1b_evt_blk.resv = 0;
fadt->x_pm1b_evt_blk.addrl = 0x0;
fadt->x_pm1b_evt_blk.addrh = 0x0;
fadt->x_pm1a_cnt_blk.space_id = 1;
fadt->x_pm1a_cnt_blk.bit_width = 16;
fadt->x_pm1a_cnt_blk.bit_offset = 0;
fadt->x_pm1a_cnt_blk.resv = 0;
fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4;
fadt->x_pm1a_cnt_blk.addrh = 0x0;
fadt->x_pm1b_cnt_blk.space_id = 1;
fadt->x_pm1b_cnt_blk.bit_width = 0;
fadt->x_pm1b_cnt_blk.bit_offset = 0;
fadt->x_pm1b_cnt_blk.resv = 0;
fadt->x_pm1b_cnt_blk.addrl = 0x0;
fadt->x_pm1b_cnt_blk.addrh = 0x0;
fadt->x_pm2_cnt_blk.space_id = 1;
fadt->x_pm2_cnt_blk.bit_width = 8;
fadt->x_pm2_cnt_blk.bit_offset = 0;
fadt->x_pm2_cnt_blk.resv = 0;
fadt->x_pm2_cnt_blk.addrl = pmbase + 0x50;
fadt->x_pm2_cnt_blk.addrh = 0x0;
fadt->x_pm_tmr_blk.space_id = 1;
fadt->x_pm_tmr_blk.bit_width = 32;
fadt->x_pm_tmr_blk.bit_offset = 0;
fadt->x_pm_tmr_blk.resv = 0;
fadt->x_pm_tmr_blk.addrl = pmbase + 0x8;
fadt->x_pm_tmr_blk.addrh = 0x0;
fadt->x_gpe0_blk.space_id = 0;
fadt->x_gpe0_blk.bit_width = 0;
fadt->x_gpe0_blk.bit_offset = 0;
fadt->x_gpe0_blk.resv = 0;
fadt->x_gpe0_blk.addrl = 0;
fadt->x_gpe0_blk.addrh = 0x0;
fadt->x_gpe1_blk.space_id = 1;
fadt->x_gpe1_blk.bit_width = 0;
fadt->x_gpe1_blk.bit_offset = 0;
fadt->x_gpe1_blk.resv = 0;
fadt->x_gpe1_blk.addrl = 0x0;
fadt->x_gpe1_blk.addrh = 0x0;
header->checksum =
acpi_checksum((void *) fadt, header->length);
}

188
src/mainboard/google/rambi/gpio.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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 <stdlib.h>
#include <baytrail/gpio.h>
/* SCORE GPIOs */
static const struct soc_gpio_map gpscore_gpio_map[] = {
GPIO_DEFAULT, /* GPIO 0 */
GPIO_DEFAULT, /* GPIO 1 */
GPIO_DEFAULT, /* GPIO 2 */
GPIO_DEFAULT, /* GPIO 3 */
GPIO_DEFAULT, /* GPIO 4 */
GPIO_DEFAULT, /* GPIO 5 */
GPIO_DEFAULT, /* GPIO 6 */
GPIO_DEFAULT, /* GPIO 7 */
GPIO_DEFAULT, /* GPIO 8 */
GPIO_DEFAULT, /* GPIO 9 */
GPIO_DEFAULT, /* GPIO 10 */
GPIO_DEFAULT, /* GPIO 11 */
GPIO_DEFAULT, /* GPIO 12 */
GPIO_DEFAULT, /* GPIO 13 */
GPIO_DEFAULT, /* GPIO 14 */
GPIO_DEFAULT, /* GPIO 15 */
GPIO_DEFAULT, /* GPIO 16 */
GPIO_DEFAULT, /* GPIO 17 */
GPIO_DEFAULT, /* GPIO 18 */
GPIO_DEFAULT, /* GPIO 19 */
GPIO_DEFAULT, /* GPIO 20 */
GPIO_DEFAULT, /* GPIO 21 */
GPIO_DEFAULT, /* GPIO 22 */
GPIO_DEFAULT, /* GPIO 23 */
GPIO_DEFAULT, /* GPIO 24 */
GPIO_DEFAULT, /* GPIO 25 */
GPIO_DEFAULT, /* GPIO 26 */
GPIO_DEFAULT, /* GPIO 27 */
GPIO_DEFAULT, /* GPIO 28 */
GPIO_DEFAULT, /* GPIO 29 */
GPIO_DEFAULT, /* GPIO 30 */
GPIO_DEFAULT, /* GPIO 31 */
GPIO_DEFAULT, /* GPIO 32 */
GPIO_DEFAULT, /* GPIO 33 */
GPIO_DEFAULT, /* GPIO 34 */
GPIO_DEFAULT, /* GPIO 35 */
GPIO_DEFAULT, /* GPIO 36 */
GPIO_DEFAULT, /* GPIO 37 */
GPIO_DEFAULT, /* GPIO 38 */
GPIO_DEFAULT, /* GPIO 39 */
GPIO_DEFAULT, /* GPIO 40 */
GPIO_DEFAULT, /* GPIO 41 */
GPIO_DEFAULT, /* GPIO 42 */
GPIO_DEFAULT, /* GPIO 43 */
GPIO_DEFAULT, /* GPIO 44 */
GPIO_DEFAULT, /* GPIO 45 */
GPIO_DEFAULT, /* GPIO 46 */
GPIO_DEFAULT, /* GPIO 47 */
GPIO_DEFAULT, /* GPIO 48 */
GPIO_DEFAULT, /* GPIO 49 */
GPIO_DEFAULT, /* GPIO 50 */
GPIO_FUNC1, /* GPIO 51 - SMBus DATA */
GPIO_FUNC1, /* GPIO 52 - SMBus CLK */
GPIO_DEFAULT, /* GPIO 53 */
GPIO_DEFAULT, /* GPIO 54 */
GPIO_DEFAULT, /* GPIO 55 */
GPIO_DEFAULT, /* GPIO 56 */
GPIO_FUNC1, /* GPIO 57 - COM1 TXD */
GPIO_DEFAULT, /* GPIO 58 */
GPIO_DEFAULT, /* GPIO 59 */
GPIO_DEFAULT, /* GPIO 60 */
GPIO_FUNC1, /* GPIO 61 - COM1 RXD */
GPIO_DEFAULT, /* GPIO 62 */
GPIO_DEFAULT, /* GPIO 63 */
GPIO_DEFAULT, /* GPIO 64 */
GPIO_DEFAULT, /* GPIO 65 */
GPIO_DEFAULT, /* GPIO 66 */
GPIO_DEFAULT, /* GPIO 67 */
GPIO_DEFAULT, /* GPIO 68 */
GPIO_DEFAULT, /* GPIO 69 */
GPIO_DEFAULT, /* GPIO 70 */
GPIO_DEFAULT, /* GPIO 71 */
GPIO_DEFAULT, /* GPIO 72 */
GPIO_DEFAULT, /* GPIO 73 */
GPIO_DEFAULT, /* GPIO 74 */
GPIO_DEFAULT, /* GPIO 75 */
GPIO_DEFAULT, /* GPIO 76 */
GPIO_DEFAULT, /* GPIO 77 */
GPIO_DEFAULT, /* GPIO 78 */
GPIO_DEFAULT, /* GPIO 79 */
GPIO_DEFAULT, /* GPIO 80 */
GPIO_DEFAULT, /* GPIO 81 */
GPIO_DEFAULT, /* GPIO 82 */
GPIO_DEFAULT, /* GPIO 83 */
GPIO_DEFAULT, /* GPIO 84 */
GPIO_DEFAULT, /* GPIO 85 */
GPIO_DEFAULT, /* GPIO 86 */
GPIO_DEFAULT, /* GPIO 87 */
GPIO_DEFAULT, /* GPIO 88 */
GPIO_DEFAULT, /* GPIO 89 */
GPIO_DEFAULT, /* GPIO 90 */
GPIO_DEFAULT, /* GPIO 91 */
GPIO_DEFAULT, /* GPIO 92 */
GPIO_DEFAULT, /* GPIO 93 */
GPIO_DEFAULT, /* GPIO 94 */
GPIO_DEFAULT, /* GPIO 95 */
GPIO_DEFAULT, /* GPIO 96 */
GPIO_DEFAULT, /* GPIO 97 */
GPIO_DEFAULT, /* GPIO 98 */
GPIO_DEFAULT, /* GPIO 99 */
GPIO_DEFAULT, /* GPIO 100 */
GPIO_DEFAULT, /* GPIO 101 */
GPIO_END
};
/* SSUS GPIOs */
static const struct soc_gpio_map gpssus_gpio_map[] = {
GPIO_DEFAULT, /* GPIO 0 */
GPIO_DEFAULT, /* GPIO 1 */
GPIO_DEFAULT, /* GPIO 2 */
GPIO_DEFAULT, /* GPIO 3 */
GPIO_DEFAULT, /* GPIO 4 */
GPIO_DEFAULT, /* GPIO 5 */
GPIO_DEFAULT, /* GPIO 6 */
GPIO_DEFAULT, /* GPIO 7 */
GPIO_DEFAULT, /* GPIO 8 */
GPIO_DEFAULT, /* GPIO 9 */
GPIO_DEFAULT, /* GPIO 10 */
GPIO_DEFAULT, /* GPIO 11 */
GPIO_DEFAULT, /* GPIO 12 */
GPIO_DEFAULT, /* GPIO 13 */
GPIO_DEFAULT, /* GPIO 14 */
GPIO_DEFAULT, /* GPIO 15 */
GPIO_DEFAULT, /* GPIO 16 */
GPIO_DEFAULT, /* GPIO 17 */
GPIO_DEFAULT, /* GPIO 18 */
GPIO_DEFAULT, /* GPIO 19 */
GPIO_DEFAULT, /* GPIO 20 */
GPIO_DEFAULT, /* GPIO 21 */
GPIO_DEFAULT, /* GPIO 22 */
GPIO_DEFAULT, /* GPIO 23 */
GPIO_DEFAULT, /* GPIO 24 */
GPIO_DEFAULT, /* GPIO 25 */
GPIO_DEFAULT, /* GPIO 26 */
GPIO_DEFAULT, /* GPIO 27 */
GPIO_DEFAULT, /* GPIO 28 */
GPIO_DEFAULT, /* GPIO 29 */
GPIO_DEFAULT, /* GPIO 30 */
GPIO_DEFAULT, /* GPIO 31 */
GPIO_DEFAULT, /* GPIO 32 */
GPIO_DEFAULT, /* GPIO 33 */
GPIO_DEFAULT, /* GPIO 34 */
GPIO_DEFAULT, /* GPIO 35 */
GPIO_DEFAULT, /* GPIO 36 */
GPIO_DEFAULT, /* GPIO 37 */
GPIO_DEFAULT, /* GPIO 38 */
GPIO_DEFAULT, /* GPIO 39 */
GPIO_DEFAULT, /* GPIO 40 */
GPIO_DEFAULT, /* GPIO 41 */
GPIO_DEFAULT, /* GPIO 42 */
GPIO_DEFAULT, /* GPIO 43 */
GPIO_END
};
static struct soc_gpio_config gpio_config = {
.ncore = NULL,
.score = gpscore_gpio_map,
.ssus = gpssus_gpio_map
};
struct soc_gpio_config* mainboard_get_gpios(void)
{
return &gpio_config;
}

143
src/mainboard/google/rambi/mainboard.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2011 Google Inc.
*
* 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 <types.h>
#include <string.h>
#include <device/device.h>
#include <device/device.h>
#include <device/pci_def.h>
#include <device/pci_ops.h>
#include <console/console.h>
#if CONFIG_VGA_ROM_RUN
#include <x86emu/x86emu.h>
#endif
#include <pc80/mc146818rtc.h>
#include <arch/acpi.h>
#include <arch/io.h>
#include <arch/interrupt.h>
#include <boot/coreboot_tables.h>
void mainboard_suspend_resume(void)
{
/* Call SMM finalize() handlers before resume */
outb(0xcb, 0xb2);
}
#if CONFIG_VGA_ROM_RUN
static int int15_handler(void)
{
int res = 1;
printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
__func__, X86_AX, X86_BX, X86_CX, X86_DX);
switch (X86_AX) {
case 0x5f34:
/*
* Set Panel Fitting Hook:
* bit 2 = Graphics Stretching
* bit 1 = Text Stretching
* bit 0 = Centering (do not set with bit1 or bit2)
* 0 = video bios default
*/
X86_AX = 0x005f;
X86_CX = 0x0001;
res = 1;
break;
case 0x5f35:
/*
* Boot Display Device Hook:
* bit 0 = CRT
* bit 1 = TV (eDP) *
* bit 2 = EFP *
* bit 3 = LFP
* bit 4 = CRT2
* bit 5 = TV2 (eDP) *
* bit 6 = EFP2 *
* bit 7 = LFP2
*/
X86_AX = 0x005f;
X86_CX = 0x0000;
res = 1;
break;
case 0x5f51:
/*
* Hook to select active LFP configuration:
* 00h = No LVDS, VBIOS does not enable LVDS
* 01h = Int-LVDS, LFP driven by integrated LVDS decoder
* 02h = SVDO-LVDS, LFP driven by SVDO decoder
* 03h = eDP, LFP Driven by Int-DisplayPort encoder
*/
X86_AX = 0x005f;
X86_CX = 0x0003;
res = 1;
break;
case 0x5f70:
switch ((X86_CX >> 8) & 0xff) {
case 0:
/* Get Mux */
X86_AX = 0x005f;
X86_CX = 0x0000;
res = 1;
break;
case 1:
/* Set Mux */
X86_AX = 0x005f;
X86_CX = 0x0000;
res = 1;
break;
case 2:
/* Get SG/Non-SG mode */
X86_AX = 0x005f;
X86_CX = 0x0000;
res = 1;
break;
default:
/* Interrupt was not handled */
printk(BIOS_DEBUG,
"Unknown INT15 5f70 function: 0x%02x\n",
((X86_CX >> 8) & 0xff));
break;
}
break;
default:
printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
break;
}
return res;
}
#endif
// mainboard_enable is executed as first thing after
// enumerate_buses().
static void mainboard_enable(device_t dev)
{
#if CONFIG_VGA_ROM_RUN
/* Install custom int15 handler for VGA OPROM */
mainboard_interrupt_handlers(0x15, &int15_handler);
#endif
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};

63
src/mainboard/google/rambi/mainboard_smi.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
*
* 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 <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <baytrail/nvs.h>
int mainboard_io_trap_handler(int smif)
{
switch (smif) {
case 0x99:
printk(BIOS_DEBUG, "Sample\n");
smm_get_gnvs()->smif = 0;
break;
default:
return 0;
}
/* On success, the IO Trap Handler returns 0
* On failure, the IO Trap Handler returns a value != 0
*
* For now, we force the return value to 0 and log all traps to
* see what's going on.
*/
//gnvs->smif = 0;
return 1;
}
#define APMC_FINALIZE 0xcb
static int mainboard_finalized = 0;
int mainboard_smi_apmc(u8 apmc)
{
switch (apmc) {
case APMC_FINALIZE:
if (mainboard_finalized) {
printk(BIOS_DEBUG, "SMI#: Already finalized\n");
return 0;
}
mainboard_finalized = 1;
break;
}
return 0;
}

37
src/mainboard/google/rambi/romstage.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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 <console/console.h>
#include <baytrail/mrc_wrapper.h>
#include <baytrail/romstage.h>
void mainboard_romstage_entry(struct romstage_params *rp)
{
struct mrc_params mp = {
.mainboard = {
.dram_type = DRAM_DDR3L,
.dram_info_location = DRAM_INFO_SPD_SMBUS,
.spd_addrs = { 0xa0, 0xa2 },
},
};
rp->mrc_params = &mp;
romstage_common(rp);
}

57
src/mainboard/google/rambi/thermal.h Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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
*/
#ifndef BAYLEYBAY_THERMAL_H
#define BAYLEYBAY_THERMAL_H
/* Fan is OFF */
#define FAN4_THRESHOLD_OFF 0
#define FAN4_THRESHOLD_ON 0
#define FAN4_PWM 0x00
/* Fan is at LOW speed */
#define FAN3_THRESHOLD_OFF 48
#define FAN3_THRESHOLD_ON 55
#define FAN3_PWM 0x40
/* Fan is at MEDIUM speed */
#define FAN2_THRESHOLD_OFF 52
#define FAN2_THRESHOLD_ON 64
#define FAN2_PWM 0x80
/* Fan is at HIGH speed */
#define FAN1_THRESHOLD_OFF 60
#define FAN1_THRESHOLD_ON 68
#define FAN1_PWM 0xb0
/* Fan is at FULL speed */
#define FAN0_THRESHOLD_OFF 66
#define FAN0_THRESHOLD_ON 78
#define FAN0_PWM 0xff
/* Temperature which OS will shutdown at */
#define CRITICAL_TEMPERATURE 100
/* Temperature which OS will throttle CPU */
#define PASSIVE_TEMPERATURE 90
/* Tj_max value for calculating PECI CPU temperature */
#define MAX_TEMPERATURE 100
#endif