diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-09-07 11:38:56 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-09-21 06:20:02 +0200 |
| commit | e28bd4ade6f716024afdff0bac48028a42a62e71 (patch) | |
| tree | 518e4b663acf7e9bd7b09646c4a976e85c765173 /src/southbridge/intel/i82801gx | |
| parent | c8883262cf1375616743ba9d1f259b4fcda20d72 (diff) | |
timestamps intel: Move timestamp scratchpad to chipset
This retrieves back the value stored with store_initial_timestamp()
in the bootblock for southbridge.
Change-Id: I377c823706c33ed65af023d20d2e4323edd31199
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3908
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/southbridge/intel/i82801gx')
| -rw-r--r-- | src/southbridge/intel/i82801gx/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801gx/early_lpc.c | 33 |
2 files changed, 34 insertions, 2 deletions
diff --git a/src/southbridge/intel/i82801gx/Makefile.inc b/src/southbridge/intel/i82801gx/Makefile.inc index ff9fbee71d..94c84ed23e 100644 --- a/src/southbridge/intel/i82801gx/Makefile.inc +++ b/src/southbridge/intel/i82801gx/Makefile.inc @@ -36,5 +36,4 @@ ramstage-y += watchdog.c ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c -romstage-y += early_smbus.c - +romstage-y += early_smbus.c early_lpc.c diff --git a/src/southbridge/intel/i82801gx/early_lpc.c b/src/southbridge/intel/i82801gx/early_lpc.c new file mode 100644 index 0000000000..9f80d41aa4 --- /dev/null +++ b/src/southbridge/intel/i82801gx/early_lpc.c @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * 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 <arch/io.h> +#include <timestamp.h> + +#if CONFIG_COLLECT_TIMESTAMPS +tsc_t get_initial_timestamp(void) +{ + tsc_t base_time = { + .lo = pci_read_config32(PCI_DEV(0, 0x00, 0), 0xdc), + .hi = pci_read_config32(PCI_DEV(0, 0x1f, 2), 0xd0) + }; + return base_time; +} +#endif |