From 1cd937b48c652206e0c62bba81afe5a2a829742a Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Thu, 9 Jan 2014 23:41:48 +0100 Subject: Ibexpeak: add missing thermal init. Without it ME doesn't always start correctly and no temperature is reported, no fan management and so on. Change-Id: Iff71f3afbc35a1453a20d182890ae2d196c556bd Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/4636 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel Reviewed-by: Patrick Georgi --- src/southbridge/intel/ibexpeak/Makefile.inc | 2 +- src/southbridge/intel/ibexpeak/early_thermal.c | 47 ++++++++++++++++++++++++++ src/southbridge/intel/ibexpeak/pch.h | 1 + 3 files changed, 49 insertions(+), 1 deletion(-) create mode 100644 src/southbridge/intel/ibexpeak/early_thermal.c (limited to 'src/southbridge/intel') diff --git a/src/southbridge/intel/ibexpeak/Makefile.inc b/src/southbridge/intel/ibexpeak/Makefile.inc index a29129d55c..e7f7d99a31 100644 --- a/src/southbridge/intel/ibexpeak/Makefile.inc +++ b/src/southbridge/intel/ibexpeak/Makefile.inc @@ -45,7 +45,7 @@ smm-$(CONFIG_SPI_FLASH_SMM) += spi.c ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c me.c ../bd82x6x/me_8.x.c ../bd82x6x/finalize.c ../bd82x6x/pch.c -romstage-y += ../bd82x6x/early_usb.c early_smbus.c ../bd82x6x/early_me.c ../bd82x6x/me_status.c ../bd82x6x/gpio.c +romstage-y += ../bd82x6x/early_usb.c early_smbus.c ../bd82x6x/early_me.c ../bd82x6x/me_status.c ../bd82x6x/gpio.c early_thermal.c romstage-y += ../bd82x6x/reset.c romstage-$(CONFIG_SOUTHBRIDGE_INTEL_BD82X6X) += ../bd82x6x/early_spi.c romstage-$(CONFIG_SOUTHBRIDGE_INTEL_C216) += ../bd82x6x/early_spi.c diff --git a/src/southbridge/intel/ibexpeak/early_thermal.c b/src/southbridge/intel/ibexpeak/early_thermal.c new file mode 100644 index 0000000000..9d96a34877 --- /dev/null +++ b/src/southbridge/intel/ibexpeak/early_thermal.c @@ -0,0 +1,47 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 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, or (at your option) any later version. + * + * 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 "pch.h" + +/* Early thermal init, must be done prior to giving ME its memory + which is done at the end of raminit. */ +void early_thermal_init(void) +{ + device_t dev; + + dev = PCI_DEV(0x0, 0x1f, 0x6); + + /* Program address for temporary BAR. */ + pci_write_config32(dev, 0x40, 0x40000000); + pci_write_config32(dev, 0x44, 0x0); + + /* Activate temporary BAR. */ + pci_write_config32(dev, 0x40, + pci_read_config32(dev, 0x40) | 5); + + /* Perform init. */ + write16(0x4000001a, (read16(0x4000001a) & ~0xf) | 0x10f0); + + /* Disable temporary BAR. */ + pci_write_config32(dev, 0x40, + pci_read_config32(dev, 0x40) & ~1); + pci_write_config32(dev, 0x40, 0); +} diff --git a/src/southbridge/intel/ibexpeak/pch.h b/src/southbridge/intel/ibexpeak/pch.h index 356dd8ae28..df125f052d 100644 --- a/src/southbridge/intel/ibexpeak/pch.h +++ b/src/southbridge/intel/ibexpeak/pch.h @@ -78,6 +78,7 @@ int smbus_write_byte(unsigned device, unsigned address, u8 data); int smbus_block_read(unsigned device, unsigned cmd, u8 bytes, u8 *buf); int smbus_block_write(unsigned device, unsigned cmd, u8 bytes, const u8 *buf); int early_spi_read(u32 offset, u32 size, u8 *buffer); +void early_thermal_init(void); #endif #endif -- cgit v1.2.3