diff options
| -rw-r--r-- | src/mainboard/google/trogdor/Makefile.inc | 8 | ||||
| -rw-r--r-- | src/mainboard/google/trogdor/board.h | 30 | ||||
| -rw-r--r-- | src/mainboard/google/trogdor/boardid.c | 54 | ||||
| -rw-r--r-- | src/mainboard/google/trogdor/bootblock.c | 22 | ||||
| -rw-r--r-- | src/mainboard/google/trogdor/chromeos.c | 23 |
5 files changed, 136 insertions, 1 deletions
diff --git a/src/mainboard/google/trogdor/Makefile.inc b/src/mainboard/google/trogdor/Makefile.inc index d4bf30509f..bda55be4fb 100644 --- a/src/mainboard/google/trogdor/Makefile.inc +++ b/src/mainboard/google/trogdor/Makefile.inc @@ -16,15 +16,23 @@ bootblock-y += memlayout.ld bootblock-y += reset.c +bootblock-y += boardid.c +bootblock-y += chromeos.c +bootblock-y += bootblock.c verstage-y += memlayout.ld verstage-y += reset.c +verstage-y += boardid.c +verstage-y += chromeos.c romstage-y += memlayout.ld romstage-y += romstage.c romstage-y += reset.c +romstage-y += boardid.c +romstage-y += chromeos.c ramstage-y += memlayout.ld ramstage-y += mainboard.c ramstage-y += reset.c ramstage-y += chromeos.c +ramstage-y += boardid.c diff --git a/src/mainboard/google/trogdor/board.h b/src/mainboard/google/trogdor/board.h new file mode 100644 index 0000000000..f024e13646 --- /dev/null +++ b/src/mainboard/google/trogdor/board.h @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018, The Linux Foundation. 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 version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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 _COREBOOT_SRC_MAINBOARD_GOOGLE_TROGDOR_BOARD_H_ +#define _COREBOOT_SRC_MAINBOARD_GOOGLE_TROGDOR_BOARD_H_ + +#include <gpio.h> +#include <soc/gpio.h> + +#define GPIO_EC_IN_RW GPIO(118) +#define GPIO_AP_EC_INT GPIO(94) +#define GPIO_AP_SUSPEND GPIO(20) +#define GPIO_WP_STATE GPIO(42) +#define GPIO_H1_AP_INT GPIO(21) + +void setup_chromeos_gpios(void); + +#endif /* _COREBOOT_SRC_MAINBOARD_GOOGLE_TROGDOR_BOARD_H_ */ diff --git a/src/mainboard/google/trogdor/boardid.c b/src/mainboard/google/trogdor/boardid.c new file mode 100644 index 0000000000..def3068d31 --- /dev/null +++ b/src/mainboard/google/trogdor/boardid.c @@ -0,0 +1,54 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC + * Copyright 2019 The Linux Foundation. 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 <boardid.h> +#include <gpio.h> + +uint32_t board_id(void) +{ + static uint32_t id = UNDEFINED_STRAPPING_ID; + + const gpio_t pins[] = {[2] = GPIO(31), [1] = GPIO(93), [0] = GPIO(33)}; + + if (id == UNDEFINED_STRAPPING_ID) + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + + return id; +} + +uint32_t ram_code(void) +{ + static uint32_t id = UNDEFINED_STRAPPING_ID; + + const gpio_t pins[] = {[1] = GPIO(91), [0] = GPIO(29)}; + + if (id == UNDEFINED_STRAPPING_ID) + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + + return id; +} + +uint32_t sku_id(void) +{ + static uint32_t id = UNDEFINED_STRAPPING_ID; + + const gpio_t pins[] = {[1] = GPIO(90), [0] = GPIO(114)}; + + if (id == UNDEFINED_STRAPPING_ID) + id = gpio_base2_value(pins, ARRAY_SIZE(pins)); + + return id; +} diff --git a/src/mainboard/google/trogdor/bootblock.c b/src/mainboard/google/trogdor/bootblock.c new file mode 100644 index 0000000000..c658093d07 --- /dev/null +++ b/src/mainboard/google/trogdor/bootblock.c @@ -0,0 +1,22 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018-2019, The Linux Foundation. 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 version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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 "board.h" + +void bootblock_mainboard_init(void) +{ + setup_chromeos_gpios(); +} diff --git a/src/mainboard/google/trogdor/chromeos.c b/src/mainboard/google/trogdor/chromeos.c index 1e8857db97..e84061352e 100644 --- a/src/mainboard/google/trogdor/chromeos.c +++ b/src/mainboard/google/trogdor/chromeos.c @@ -15,13 +15,34 @@ #include <boot/coreboot_tables.h> #include <bootmode.h> +#include "board.h" int get_write_protect_state(void) { - return 0; + return !gpio_get(GPIO_WP_STATE); +} + +void setup_chromeos_gpios(void) +{ + gpio_input_pullup(GPIO_EC_IN_RW); + gpio_input_pullup(GPIO_AP_EC_INT); + gpio_output(GPIO_AP_SUSPEND, 1); + gpio_input(GPIO_WP_STATE); + gpio_input_pullup(GPIO_H1_AP_INT); } void fill_lb_gpios(struct lb_gpios *gpios) { + struct lb_gpio chromeos_gpios[] = { + {GPIO_EC_IN_RW.addr, ACTIVE_LOW, gpio_get(GPIO_EC_IN_RW), + "EC in RW"}, + {GPIO_AP_EC_INT.addr, ACTIVE_LOW, gpio_get(GPIO_AP_EC_INT), + "EC interrupt"}, + {GPIO_WP_STATE.addr, ACTIVE_LOW, !get_write_protect_state(), + "write protect"}, + {GPIO_H1_AP_INT.addr, ACTIVE_LOW, gpio_get(GPIO_H1_AP_INT), + "TPM interrupt"}, + }; + lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); } |