From 8d7115560d469f901d7d8ccb242d0b437e7394aa Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Fri, 30 Nov 2012 12:34:04 -0800 Subject: Rename devices -> device to match src/include/device Change-Id: I5d0e5b4361c34881a3b81347aac48738cb5b9af0 Signed-off-by: Stefan Reinauer Reviewed-on: http://review.coreboot.org/1960 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks --- src/device/device_romstage.c | 80 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 src/device/device_romstage.c (limited to 'src/device/device_romstage.c') diff --git a/src/device/device_romstage.c b/src/device/device_romstage.c new file mode 100644 index 0000000000..475f94aeaf --- /dev/null +++ b/src/device/device_romstage.c @@ -0,0 +1,80 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2003-2004 Linux Networx + * (Written by Eric Biederman for Linux Networx) + * Copyright (C) 2003 Greg Watson + * Copyright (C) 2004 Li-Ta Lo + * Copyright (C) 2005-2006 Tyan + * (Written by Yinghai Lu for Tyan) + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include + +/** Linked list of ALL devices */ +ROMSTAGE_CONST struct device * ROMSTAGE_CONST all_devices = &dev_root; + +/** + * Given a PCI bus and a devfn number, find the device structure. + * + * @param bus The bus number. + * @param devfn A device/function number. + * @return Pointer to the device structure (if found), 0 otherwise. + */ +ROMSTAGE_CONST struct device *dev_find_slot(unsigned int bus, + unsigned int devfn) +{ + ROMSTAGE_CONST struct device *dev, *result; + + result = 0; + for (dev = all_devices; dev; dev = dev->next) { + if ((dev->path.type == DEVICE_PATH_PCI) && + (dev->bus->secondary == bus) && + (dev->path.pci.devfn == devfn)) { + result = dev; + break; + } + } + return result; +} + +/** + * Given an SMBus bus and a device number, find the device structure. + * + * @param bus The bus number. + * @param addr A device number. + * @return Pointer to the device structure (if found), 0 otherwise. + */ +ROMSTAGE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus, + unsigned int addr) +{ + ROMSTAGE_CONST struct device *dev, *result; + + result = 0; + for (dev = all_devices; dev; dev = dev->next) { + if ((dev->path.type == DEVICE_PATH_I2C) && + (dev->bus->secondary == bus) && + (dev->path.i2c.device == addr)) { + result = dev; + break; + } + } + return result; +} + -- cgit v1.2.3