mainboard/google: add reef reference board

This adds the initial scaffolding for the reef reference board.
One big thing missing is the GPIO configuration.

Change-Id: I8e2d275df296bb397bb33dbd0c66fc87c82ff10f
Signed-off-by: Aaron Durbni <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14798
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin 2016-05-10 15:09:44 -05:00
parent fc2e7413b3
commit e065bb43d7
18 changed files with 648 additions and 0 deletions

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if BOARD_GOOGLE_REEF
config BOARD_SPECIFIC_OPTIONS
def_bool y
select SOC_INTEL_APOLLOLAKE
# FIXME(adurbin): this SPI part is really 16MiB
select BOARD_ROMSIZE_KB_8192
select EC_GOOGLE_CHROMEEC
select EC_GOOGLE_CHROMEEC_LPC
select HAVE_ACPI_RESUME
select HAVE_ACPI_TABLES
select MAINBOARD_HAS_CHROMEOS
select MAINBOARD_HAS_LPC_TPM
select SYSTEM_TYPE_LAPTOP
config BOOT_MEDIA_SPI_BUS
int
default 0
config IFD_BIOS_END
hex
default 0x6FF000
config IFD_BIOS_START
hex
default 0x1000
config CHROMEOS
select CHROMEOS_RAMOOPS_DYNAMIC
select CHROMEOS_VBNV_CMOS
select CHROMEOS_VBNV_CMOS_BACKUP_TO_FLASH
select EC_SOFTWARE_SYNC
select LID_SWITCH
select VBOOT_OPROM_MATTERS
select VIRTUAL_DEV_SWITCH
config MAINBOARD_DIR
string
default google/reef
config MAINBOARD_PART_NUMBER
string
default "Reef"
config MAINBOARD_FAMILY
string
default "Google_Reef"
config MAX_CPUS
int
default 8
endif # BOARD_GOOGLE_REEF

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config BOARD_GOOGLE_REEF
bool "Reef"

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bootblock-y += bootblock.c
bootblock-y += ec.c
romstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-y += ec.c
ramstage-y += mainboard.c

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include <soc/gpio_defs.h>
Name (OIPG, Package () {
/* No physical recovery GPIO. */
Package () { 0x0001, 0, 0xFFFFFFFF, "INT3452:00" },
/* Firmware write protect GPIO. */
Package () { 0x0003, 1, GPIO_75, "INT3452:00" },
})

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include "acpi/superio.asl"

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
/* mainboard configuration */
#include "../ec.h"
#define SIO_EC_MEMMAP_ENABLE // EC Memory Map Resources
#define SIO_EC_HOST_ENABLE // EC Host Interface Resources
#define SIO_EC_ENABLE_PS2K // Enable PS/2 Keyboard
/* ACPI code for EC SuperIO functions */
#include <ec/google/chromeec/acpi/superio.asl>

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/*
* 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.
*/
/*
* Blank file required by build system assumptions of this file being present.
*/

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Vendor name: Google
Board name: Reef Apollolake Reference Board
Category: laptop
ROM protocol: SPI
ROM socketed: n
Flashrom support: y

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include <bootblock_common.h>
#include <soc/lpc.h>
#include <soc/gpio.h>
#include "ec.h"
#include "gpio.h"
void bootblock_mainboard_init(void)
{
lpc_configure_pads();
gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
mainboard_ec_init();
}

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include <boot/coreboot_tables.h>
#include <ec/google/chromeec/ec.h>
#include <gpio.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <soc/gpio.h>
#include "ec.h"
#define GPIO_PCH_WP GPIO_75
#define GPIO_EC_IN_RW GPIO_41
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
{-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"},
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
{GPIO_EC_IN_RW, ACTIVE_HIGH,
gpio_get(GPIO_EC_IN_RW), "EC in RW"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_lid_switch(void)
{
/* Read lid switch state from the EC. */
return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
}
int get_developer_mode_switch(void)
{
/* No physical developer mode switch. It's virtual. */
return 0;
}
int get_recovery_mode_switch(void)
{
/* Check if the EC has posted the keyboard recovery event. */
return !!(google_chromeec_get_events_b() &
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
}
int clear_recovery_mode_switch(void)
{
/* Clear keyboard recovery event. */
return google_chromeec_clear_events_b(
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
}
int get_write_protect_state(void)
{
/* Read PCH_WP GPIO. */
return gpio_get(GPIO_PCH_WP);
}

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FLASH 8M {
WP_RO 4M {
SI_ALL 2M {
SI_DESC 4K
bootblock@509056 32K
}
RO_SECTION@2M 2M {
RO_VPD 0x4000
FMAP 0x800
RO_FRID 0x40
RO_FRID_PAD 0x7c0
COREBOOT(CBFS)
# logical boot partition 2. Remove with updated CSE
SIGN_CSE@0x180000 64K
# GBB grows to fill the remaining region...
GBB
}
}
MISC_RW {
RW_MRC_CACHE 64K
RW_ELOG 16K
RW_SHARED 16K {
SHARED_DATA 8K
VBLOCK_DEV 8K
}
RW_VPD 8K
}
RW_SECTION_A 0xf0000 {
VBLOCK_A 64K
FW_MAIN_A(CBFS) 768K
RW_FWID_A 64
}
RW_SECTION_B 0xf0000 {
VBLOCK_B 64K
FW_MAIN_B(CBFS) 768K
RW_FWID_B 64
}
DEVICE_EXTENSION@7M 1M
}

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chip soc/intel/apollolake
device cpu_cluster 0 on
device lapic 0 on end
end
register "pcie_rp4_clkreq_pin" = "0" # wifi/bt
device domain 0 on
device pci 00.0 on end # - Host Bridge
device pci 00.1 on end # - DPTF
device pci 00.2 on end # - NPK
device pci 02.0 on end # - Gen
device pci 03.0 on end # - Iunit
device pci 0d.0 on end # - P2SB
device pci 0d.1 on end # - PMC
device pci 0d.2 on end # - SPI
device pci 0d.3 on end # - Shared SRAM
device pci 0e.0 on end # - Audio
device pci 11.0 on end # - ISH
device pci 12.0 off end # - SATA
device pci 13.0 off end # - Root Port 2 - PCIe-A 0
device pci 13.1 off end # - Root Port 3 - PCIe-A 1
device pci 13.2 off end # - Root Port 4 - PCIe-A 2
device pci 13.3 off end # - Root Port 5 - PCIe-A 3
device pci 14.0 on end # - Root Port 0 - PCIe-B 0 - Wifi
device pci 14.1 off end # - Root Port 1 - PCIe-B 1
device pci 15.0 on end # - XHCI
device pci 15.1 on end # - XDCI
device pci 16.0 on end # - I2C 0
device pci 16.1 on end # - I2C 1
device pci 16.2 on end # - I2C 2
device pci 16.3 on end # - I2C 3
device pci 17.0 on end # - I2C 4
device pci 17.1 on end # - I2C 5
device pci 17.2 on end # - I2C 6
device pci 17.3 on end # - I2C 7
device pci 18.0 on end # - UART 0
device pci 18.1 on end # - UART 1
device pci 18.2 on end # - UART 2
device pci 18.3 on end # - UART 3
device pci 19.0 on end # - SPI 0
device pci 19.1 on end # - SPI 1
device pci 19.2 on end # - SPI 2
device pci 1a.0 on end # - PWM
device pci 1b.0 on end # - SDCARD
device pci 1c.0 on end # - eMMC
device pci 1e.0 on end # - SDIO
device pci 1f.0 on # - LPC
chip ec/google/chromeec
device pnp 0c09.0 on end
end
end
device pci 1f.1 on end # - SMBUS
end
end

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
DefinitionBlock(
"dsdt.aml",
"DSDT",
0x05, // DSDT revision: ACPI v5.0
"COREv4", // OEM id
"COREBOOT", // OEM table id
0x20110725 // OEM revision
)
{
/* global NVS and variables */
#include <soc/intel/skylake/acpi/globalnvs.asl>
Scope (\_SB) {
Device (PCI0)
{
#include <soc/intel/apollolake/acpi/northbridge.asl>
#include <soc/intel/apollolake/acpi/southbridge.asl>
}
}
/* Chrome OS specific */
#include "acpi/chromeos.asl"
#include <vendorcode/google/chromeos/acpi/chromeos.asl>
/* Chipset specific sleep states */
#include <soc/intel/apollolake/acpi/sleepstates.asl>
/* Mainboard Specific devices */
#include "acpi/mainboard.asl"
}

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include <arch/acpi.h>
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <rules.h>
#include <soc/lpc.h>
#include "ec.h"
static void ramstage_ec_init(void)
{
printk(BIOS_ERR, "mainboard: EC init\n");
if (acpi_is_wakeup_s3()) {
google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS |
MAINBOARD_EC_S3_WAKE_EVENTS);
/* Disable SMI and wake events */
google_chromeec_set_smi_mask(0);
/* Clear pending events */
while (google_chromeec_get_event() != 0)
;
/* Restore SCI event mask */
google_chromeec_set_sci_mask(MAINBOARD_EC_SCI_EVENTS);
} else {
google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS |
MAINBOARD_EC_S5_WAKE_EVENTS);
}
/* Clear wake event mask */
google_chromeec_set_wake_mask(0);
}
static void bootblock_ec_init(void)
{
uint16_t ec_ioport_base;
size_t ec_ioport_size;
/*
* Set up LPC decoding for the ChromeEC I/O port ranges:
* - Ports 62/66, 60/64, and 200->208
* - ChromeEC specific communication I/O ports.
*/
lpc_enable_fixed_io_ranges(IOE_EC_62_66 | IOE_KBC_60_64 | IOE_LGE_200);
google_chromeec_ioport_range(&ec_ioport_base, &ec_ioport_size);
lpc_open_pmio_window(ec_ioport_base, ec_ioport_size);
}
void mainboard_ec_init(void)
{
if (ENV_RAMSTAGE)
ramstage_ec_init();
else if (ENV_BOOTBLOCK)
bootblock_ec_init();
}

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#ifndef MAINBOARD_EC_H
#define MAINBOARD_EC_H
#include <ec/google/chromeec/ec_commands.h>
#define MAINBOARD_EC_SCI_EVENTS \
(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_CONNECTED) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_LOW) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_CRITICAL) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_STATUS) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_THRESHOLD) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_OVERLOAD) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_START) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_STOP) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_USB_CHARGER) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU))
#define MAINBOARD_EC_SMI_EVENTS \
(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED))
/* EC can wake from S5 with lid or power button */
#define MAINBOARD_EC_S5_WAKE_EVENTS \
(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_POWER_BUTTON))
/* EC can wake from S3 with lid or power button or key press */
#define MAINBOARD_EC_S3_WAKE_EVENTS \
(MAINBOARD_EC_S5_WAKE_EVENTS |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEY_PRESSED))
/* Log EC wake events plus EC shutdown events */
#define MAINBOARD_EC_LOG_EVENTS \
(EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_SHUTDOWN) |\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_SHUTDOWN)|\
EC_HOST_EVENT_MASK(EC_HOST_EVENT_PANIC))
#ifndef __ACPI__
extern void mainboard_ec_init(void);
#endif
#endif

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#ifndef MAINBOARD_GPIO_H
#define MAINBOARD_GPIO_H
#include <soc/gpio.h>
/* Pad configuration in ramstage. */
static const struct pad_config gpio_table[] = {
};
/* GPIOs needed prior to ramstage. */
static const struct pad_config early_gpio_table[] = {
};
#endif /* MAINBOARD_GPIO_H */

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include <device/device.h>
#include <soc/gpio.h>
#include "ec.h"
#include "gpio.h"
static void mainboard_init(void *chip_info)
{
gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
mainboard_ec_init();
}
struct chip_operations mainboard_ops = {
.init = mainboard_init,
};

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/*
* This file is part of the coreboot project.
*
* Copyright 2016 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.
*/
#include <soc/meminit.h>
#include <soc/romstage.h>
static const struct lpddr4_swizzle_cfg board_swizzle = {
/* CH0_DQA[0:31] SoC pins -> U22 LPDDR4 module pins */
.phys[LP4_PHYS_CH0A] = {
/* DQA[0:7] pins of LPDDR4 module. */
.dqs[LP4_DQS0] = { 6, 7, 5, 4, 3, 1, 0, 2 },
/* DQA[8:15] pins of LPDDR4 module. */
.dqs[LP4_DQS1] = { 12, 10, 11, 13, 14, 8, 9, 15 },
/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS2] = { 16, 22, 23, 20, 18, 17, 19, 21 },
/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS3] = { 30, 28, 29, 25, 24, 26, 27, 31 },
},
.phys[LP4_PHYS_CH0B] = {
/* DQA[0:7] pins of LPDDR4 module. */
.dqs[LP4_DQS0] = { 7, 3, 5, 2, 6, 0, 1, 4 },
/* DQA[8:15] pins of LPDDR4 module. */
.dqs[LP4_DQS1] = { 9, 14, 12, 13, 10, 11, 8, 15 },
/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS2] = { 20, 22, 23, 16, 19, 17, 18, 21 },
/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS3] = { 28, 24, 26, 27, 29, 30, 31, 25 },
},
.phys[LP4_PHYS_CH1A] = {
/* DQA[0:7] pins of LPDDR4 module. */
.dqs[LP4_DQS0] = { 2, 1, 6, 7, 5, 4, 3, 0 },
/* DQA[8:15] pins of LPDDR4 module. */
.dqs[LP4_DQS1] = { 11, 10, 8, 9, 12, 15, 13, 14 },
/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS2] = { 17, 23, 19, 16, 21, 22, 20, 18 },
/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS3] = { 31, 29, 26, 25, 28, 27, 24, 30 },
},
.phys[LP4_PHYS_CH1B] = {
/* DQA[0:7] pins of LPDDR4 module. */
.dqs[LP4_DQS0] = { 4, 3, 7, 5, 6, 1, 0, 2 },
/* DQA[8:15] pins of LPDDR4 module. */
.dqs[LP4_DQS1] = { 15, 9, 8, 11, 14, 13, 12, 10 },
/* DQB[0:7] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS2] = { 20, 23, 22, 21, 18, 19, 16, 17 },
/* DQB[7:15] pins of LPDDR4 module with offset of 16. */
.dqs[LP4_DQS3] = { 25, 28, 30, 31, 26, 27, 24, 29 },
},
};
void mainboard_memory_init_params(struct FSPM_UPD *memupd)
{
struct FSP_M_CONFIG *cfg = &memupd->FspmConfig;
/* Use a default 2400 speed. */
meminit_lpddr4(cfg, LP4_SPEED_2400);
/* Enable both logical channels with a 8Gb density. */
meminit_lpddr4_enable_channel(cfg, LP4_LCH0, LP4_8Gb_DENSITY,
&board_swizzle);
meminit_lpddr4_enable_channel(cfg, LP4_LCH1, LP4_8Gb_DENSITY,
&board_swizzle);
}