From d893a2635fdd02e3fc12021aa4b0200a30d5a0de Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Wed, 19 Dec 2018 16:54:06 +0100 Subject: sb/intel/lynxpoint: Enable LPC/SIO setup in bootblock MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This allows for serial console during the bootblock and enables console in general for the bootblock. Change-Id: I5c6e107c267a7acb5bf9cbeb54eb5361af3b6db4 Signed-off-by: Arthur Heymans Reviewed-on: https://review.coreboot.org/c/coreboot/+/30315 Reviewed-by: Duncan Laurie Reviewed-by: Patrick Rudolph Reviewed-by: Kyösti Mälkki Tested-by: build bot (Jenkins) --- src/mainboard/asrock/h81m-hds/bootblock.c | 50 +++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 src/mainboard/asrock/h81m-hds/bootblock.c (limited to 'src/mainboard/asrock/h81m-hds/bootblock.c') diff --git a/src/mainboard/asrock/h81m-hds/bootblock.c b/src/mainboard/asrock/h81m-hds/bootblock.c new file mode 100644 index 0000000000..7a841b84aa --- /dev/null +++ b/src/mainboard/asrock/h81m-hds/bootblock.c @@ -0,0 +1,50 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2010 coresystems GmbH + * Copyright (C) 2012 Google Inc. + * Copyright (C) 2018 Tristan Corrick + * + * 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 +#include +#include +#include + +void mainboard_config_superio(void) +{ + const pnp_devfn_t GLOBAL_PSEUDO_DEV = PNP_DEV(0x2e, 0); + const pnp_devfn_t SERIAL_DEV = PNP_DEV(0x2e, NCT6776_SP1); + const pnp_devfn_t ACPI_DEV = PNP_DEV(0x2e, NCT6776_ACPI); + const pnp_devfn_t IR_DEV = PNP_DEV(0x2e, NCT6776_SP2); + + nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + + nuvoton_pnp_enter_conf_state(GLOBAL_PSEUDO_DEV); + + /* Select HWM/LED functions instead of floppy functions. */ + pnp_write_config(GLOBAL_PSEUDO_DEV, 0x1c, 0x03); + pnp_write_config(GLOBAL_PSEUDO_DEV, 0x24, 0x24); + + /* Power RAM in S3 and let the PCH handle power failure actions. */ + pnp_set_logical_device(ACPI_DEV); + pnp_write_config(ACPI_DEV, 0xe4, 0x70); + + /* + * Don't know what's needed here, just set the same as the vendor + * firmware. + */ + pnp_set_logical_device(IR_DEV); + pnp_write_config(IR_DEV, 0xf1, 0x5c); + + nuvoton_pnp_exit_conf_state(GLOBAL_PSEUDO_DEV); +} -- cgit v1.2.3