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coreboot-kgpe-d16/payloads/libpayload/include
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Aaron Durbin 152e5a03a1 libpayload: honor TSC information under CONFIG_LP_TIMER_RDTSC 
When CONFIG_LP_TIMER_RDTSC is enabled honor the TSC information
exported in the coreboot tables as the cpu_khz frequency. That
allows get_cpu_speed() not to be called which currently relies
on the 8254 PIT. As certain x86 platforms allow that device
to be optional or turned off for power saving reasons, allow
a path where get_cpu_speed() is no longer called. Additionally,
this approach also allows the libpayload to not duplicate logic
that already exists in coreboot.

BUG=chrome-os-partner:50214
BRANCH=glados
TEST=Confirmed in payload TSC frequency is honored instead of
     using get_cpu_speed().

Change-Id: Ib8993afdfb49065d43de705d6dbbdb9174b6f2c4
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/13671
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
 		2016-02-19 19:50:25 +01:00
..
arm/arch tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
arm64/arch arm64: mmu: Prevent CPU prefetch instructions from device memory 2015-09-28 09:36:32 +00:00
arpa Refactor the endianness conversion functions and header files. 2012-11-08 19:49:51 +01:00
mips/arch tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
pci libpayload: Add a few more PCI constants 2013-08-26 00:24:53 +02:00
storage libpayload: Make Kconfig bools use IS_ENABLED() 2015-06-30 18:55:15 +02:00
sys libpayload: Start using only internal and compiler headers. 2013-03-13 22:04:44 +01:00
udc tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
usb tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
x86/arch libpayload: x86: Add read/write{8,16,32} variants that match coreboot 2015-08-28 06:46:28 +00:00
archive.h libpayload: add archive.h 2015-12-16 19:00:53 +01:00
assert.h libpayload: Fix the format string of the assert macro. 2012-11-07 18:36:05 +01:00
cbfs.h tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
cbfs_core.h tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
cbfs_ram.h tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
cbgfx.h cbgfx: add error code to cbgfx_init 2016-01-14 18:44:20 +01:00
coreboot_tables.h libpayload: honor TSC information under CONFIG_LP_TIMER_RDTSC 2016-02-19 19:50:25 +01:00
ctype.h Attached patch moves functions out of the huge libpayload.h into headers 2010-06-24 11:16:10 +00:00
die.h libpayload: Add a new "die" function to fatally signal programming errors. 2014-09-15 17:37:13 +02:00
endian.h libpayload: Make Kconfig bools use IS_ENABLED() 2015-06-30 18:55:15 +02:00
errno.h Attached patch moves functions out of the huge libpayload.h into headers 2010-06-24 11:16:10 +00:00
exception.h libpayload: Rework exception hook interface 2015-01-09 07:05:15 +01:00
fmap_serialized.h libpayload: Add support for handling fmaps 2015-07-14 18:12:06 +02:00
gdb.h tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
getopt.h Since some people disapprove of white space cleanups mixed in regular commits 2010-04-27 06:56:47 +00:00
inttypes.h libpayload: Start using only internal and compiler headers. 2013-03-13 22:04:44 +01:00
ipchksum.h libpayload: Add a new "die" function to fatally signal programming errors. 2014-09-15 17:37:13 +02:00
kconfig.h libpayload: Change CONFIG_* to CONFIG_LP_* in the kconfig. 2014-08-05 18:44:08 +02:00
keycodes.h libpayload: Make keycode constants available outside of curses.h. 2013-03-18 20:45:48 +01:00
libpayload.h libpayload: add archive.h 2015-12-16 19:00:53 +01:00
limits.h libpayload: Improve compatibility 2011-07-16 11:09:28 +02:00
lz4.h libpayload: Add LZ4 decompression algorithm 2015-07-09 00:10:16 +02:00
lzma.h LZMA: Add a version of ulzma which takes the input and output buffer sizes. 2014-08-10 22:29:51 +02:00
malloc.h libpayload: Provide atol(), malloc.h 2011-07-07 22:29:53 +02:00
multiboot_tables.h [PATCH] libpayload: Add multiboot support 2008-10-20 16:51:43 +00:00
panel.h libpayload: Add PDCurses and ncurses' libform/libmenu 2011-08-04 08:10:41 +02:00
pci.h libpayload: Add definitions for more config space registers. 2012-11-07 18:36:27 +01:00
queue.h libpayload: queue: Add a helper macro for checking singleton queue 2015-11-13 00:52:58 +01:00
stdarg.h libpayload: Don't sneak in compiler includes 2013-04-18 02:50:28 +02:00
stddef.h update common base header files 2015-07-06 09:41:38 +02:00
stdint.h libpayload: Add ptrdiff_t typedef 2015-10-20 16:50:25 +02:00
stdio.h libpayload: Add the format attribute to functions in stdio.h. 2012-11-07 18:36:14 +01:00
stdlib.h libpayload: Make Kconfig bools use IS_ENABLED() 2015-06-30 18:55:15 +02:00
string.h libpayload: UTF-16LE to ASCII conversion 2015-03-20 09:59:48 +01:00
strings.h libpayload: Revive ffs() 2015-09-10 20:11:33 +00:00
swab.h libpayload: arch/mips: Add basic MIPS architecture support 2015-03-21 11:07:50 +01:00
sysinfo.h libpayload: store boot media information in sysinfo 2015-07-14 22:37:10 +02:00
term.h libpayload: remove trailing whitespace and run dos2unix 2011-11-01 19:08:23 +01:00
unistd.h libpayload: Don't sneak in compiler includes 2013-04-18 02:50:28 +02:00
video_console.h Add coreboot framebuffer support to libpayload 2010-03-25 18:56:26 +00:00