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Diffstat (limited to 'src/mainboard/google/octopus/ec.c')
-rw-r--r-- | src/mainboard/google/octopus/ec.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/ec.c b/src/mainboard/google/octopus/ec.c new file mode 100644 index 0000000000..8ed862c7bc --- /dev/null +++ b/src/mainboard/google/octopus/ec.c @@ -0,0 +1,62 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Intel Corp. + * + * 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 <arch/io.h> +#include <console/console.h> +#include <ec/ec.h> +#include <ec/google/chromeec/ec.h> +#include <intelblocks/lpc_lib.h> +#include <rules.h> +#include <variant/ec.h> + +static void ramstage_ec_init(void) +{ + static const struct google_chromeec_event_info info = { + .log_events = MAINBOARD_EC_LOG_EVENTS, + .sci_events = MAINBOARD_EC_SCI_EVENTS, + .s3_wake_events = MAINBOARD_EC_S3_WAKE_EVENTS, + .s5_wake_events = MAINBOARD_EC_S5_WAKE_EVENTS, + .s0ix_wake_events = MAINBOARD_EC_S0IX_WAKE_EVENTS, + }; + + printk(BIOS_ERR, "mainboard: EC init\n"); + + google_chromeec_events_init(&info, acpi_is_wakeup_s3()); +} + +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(LPC_IOE_EC_62_66 | LPC_IOE_KBC_60_64 + | LPC_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(); +} |