From 2677e2dbf6a2733de6a7d6c4ff0975d8a2650e13 Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Sat, 14 Mar 2020 16:22:01 -0500 Subject: ec/51nb: add support for NPCE985LA0DX EC Add support for the NPCE985LA0DX, as used on the 51NB X210 (to be added in a follow-on commit, and from which this was extracted). Original source: https://review.coreboot.org/c/coreboot/+/32531/37 Change-Id: I5798fad7fd18083cde1aa647fd91ca9c5ce963b7 Signed-off-by: Matt DeVillier Signed-off-by: Matthew Garrett Reviewed-on: https://review.coreboot.org/c/coreboot/+/39567 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons Reviewed-by: Felix Held --- src/ec/51nb/npce985la0dx/Kconfig | 28 ++++++++++++++++++++++++++++ src/ec/51nb/npce985la0dx/Makefile.inc | 23 +++++++++++++++++++++++ src/ec/51nb/npce985la0dx/npce985la0dx.c | 23 +++++++++++++++++++++++ 3 files changed, 74 insertions(+) create mode 100644 src/ec/51nb/npce985la0dx/Kconfig create mode 100644 src/ec/51nb/npce985la0dx/Makefile.inc create mode 100644 src/ec/51nb/npce985la0dx/npce985la0dx.c (limited to 'src/ec') diff --git a/src/ec/51nb/npce985la0dx/Kconfig b/src/ec/51nb/npce985la0dx/Kconfig new file mode 100644 index 0000000000..caa5624ab9 --- /dev/null +++ b/src/ec/51nb/npce985la0dx/Kconfig @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# This file is part of the coreboot project. + +config EC_51NB_NPCE985LA0DX + bool + default n + help + Support for the 51NB NPCE985LA0DX EC + +if EC_51NB_NPCE985LA0DX + +comment "Please select the following otherwise your laptop cannot be powered on." + +config EC_51NB_NPCE985LA0DX_FIRMWARE + bool "Add firmware image for 51NB NPCE985LA0DX EC" + depends on EC_51NB_NPCE985LA0DX + default n + help + Select this option to add the firmware blob for the 51NB EC. + You need this blob to power on your machine. + +config EC_51NB_NPCE985LA0DX_FW + string "51NB EC firmware path" + depends on EC_51NB_NPCE985LA0DX_FIRMWARE + default "ec.bin" + help + The path and filename of the file to use as 51NB firmware. +endif diff --git a/src/ec/51nb/npce985la0dx/Makefile.inc b/src/ec/51nb/npce985la0dx/Makefile.inc new file mode 100644 index 0000000000..810b324b8a --- /dev/null +++ b/src/ec/51nb/npce985la0dx/Makefile.inc @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# This file is part of the coreboot project. + +ifeq ($(CONFIG_EC_51NB_NPCE985LA0DX),y) + +files_added:: +ifeq ($(CONFIG_EC_51NB_NPCE985LA0DX_FIRMWARE),y) + $(CBFSTOOL) $(obj)/coreboot.rom write -r EC -f $(CONFIG_EC_51NB_NPCE985LA0DX_FW) --fill-upward +endif + +build_complete:: +ifeq ($(CONFIG_EC_51NB_NPCE985LA0DX_FIRMWARE),) + printf "\n** WARNING **\n" + printf "You haven't added the firmware blobs for 51NB EC.\n" + printf "You may be unable to power on your laptop without these blobs.\n" + printf "Please select the following option to add them:\n\n" + printf " Chipset --->\n" + printf " [*] Add firmware images for 51NB EC\n\n" +endif + +ramstage-y += npce985la0dx.c + +endif diff --git a/src/ec/51nb/npce985la0dx/npce985la0dx.c b/src/ec/51nb/npce985la0dx/npce985la0dx.c new file mode 100644 index 0000000000..0e0fcd1b90 --- /dev/null +++ b/src/ec/51nb/npce985la0dx/npce985la0dx.c @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* This file is part of the coreboot project. */ + +#include + +/* + * This embedded controller looks awfully like a Super I/O chip. LDNs 5 and 6 + * need to be enabled to turn on the keyboard and mouse controller, and LDN + * 0x11 needs to be enabled to turn on ACPI embedded controller functionality. + */ +static struct pnp_info dev_infos[] = { + { NULL, 0x05 }, { NULL, 0x06 }, { NULL, 0x11 } +}; + +static void ec_51nb_npce985la0dx_ops_enable(struct device *dev) +{ + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(dev_infos), dev_infos); +} + +struct chip_operations ec_51nb_npce985la0dx_ops = { + CHIP_NAME("51NB EC") + .enable_dev = ec_51nb_npce985la0dx_ops_enable, +}; -- cgit v1.2.3