From 888d559b0373cb956314b8087439378c14a16918 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Wed, 13 Nov 2013 17:53:38 +0100 Subject: Support for Ibexpeak southbridge Part of X201 port. Change-Id: If17d707004aba9f08459dbd8f3a146fa3c076aa9 Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/4052 Reviewed-by: Ronald G. Minnich Tested-by: build bot (Jenkins) --- src/southbridge/intel/ibexpeak/thermal.c | 85 ++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 src/southbridge/intel/ibexpeak/thermal.c (limited to 'src/southbridge/intel/ibexpeak/thermal.c') diff --git a/src/southbridge/intel/ibexpeak/thermal.c b/src/southbridge/intel/ibexpeak/thermal.c new file mode 100644 index 0000000000..11b65554a8 --- /dev/null +++ b/src/southbridge/intel/ibexpeak/thermal.c @@ -0,0 +1,85 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Vladimir Serbinenko + * + * 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 +#include "pch.h" +#include +#include + +static void thermal_init(struct device *dev) +{ + struct resource *res; + + printk(BIOS_DEBUG, "Thermal init start.\n"); + + res = find_resource(dev, 0x10); + if (!res) + return; + + write32(res->base + 4, 0x3a2b); + write8(res->base + 0xe, 0x40); + write32(res->base + 0x12, 0x1a40); + write16(res->base + 0x16, 0x7746); + write16(res->base + 0x1a, 0x10f0); + write16(res->base + 0x56, 0xffff); + write16(res->base + 0x64, 0xffff); + write16(res->base + 0x66, 0xffff); + write16(res->base + 0x68, 0xfa); + + write8(res->base + 1, 0xb8); + + printk(BIOS_DEBUG, "Thermal init done.\n"); +} + +static void set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & + 0xffff)); + } +} + +static struct pci_operations pci_ops = { + .set_subsystem = set_subsystem, +}; + +static struct device_operations thermal_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = thermal_init, + .scan_bus = 0, + .ops_pci = &pci_ops, +}; + +static const unsigned short pci_device_ids[] = { 0x3b32, 0 }; + +static const struct pci_driver pch_thermal __pci_driver = { + .ops = &thermal_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; -- cgit v1.2.3