diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2014-09-24 09:13:14 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-28 08:45:05 +0100 |
| commit | 4f9150bf23c3f49d02e85129c7067e05bc9f8d23 (patch) | |
| tree | a2d9dc02da6c9c142cbf9f31e1d9b267510604ce /src/soc/nvidia | |
| parent | 852b50c87f1fb907c31a1a20fd55db4a64096ccc (diff) | |
tegra132: measure romstage timings
Measure the MTS load time, MTS initialization time, and
the ramstage verification/load time.
BUG=None
BRANCH=None
TEST=Booted and noted timings.
Change-Id: I1eb1e3a73316a3fa76ef8e73314bedde34c6c582
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b5b34a3abd388359b7d1cba5a858e4e5a402b476
Original-Change-Id: I71119689182e86406d5052f007908152d41e9092
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/219715
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9103
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/nvidia')
| -rw-r--r-- | src/soc/nvidia/tegra132/ccplex.c | 8 | ||||
| -rw-r--r-- | src/soc/nvidia/tegra132/romstage.c | 7 |
2 files changed, 13 insertions, 2 deletions
diff --git a/src/soc/nvidia/tegra132/ccplex.c b/src/soc/nvidia/tegra132/ccplex.c index 9c0cc5c726..b183e5d1e1 100644 --- a/src/soc/nvidia/tegra132/ccplex.c +++ b/src/soc/nvidia/tegra132/ccplex.c @@ -67,7 +67,7 @@ static int ccplex_start(void) } } - printk(BIOS_DEBUG, "MTS handshake took %ld us.\n", + printk(BIOS_DEBUG, "MTS handshake took %ld usecs.\n", stopwatch_duration_usecs(&sw)); return 0; @@ -78,6 +78,8 @@ int ccplex_load_mts(void) struct cbfs_file file; ssize_t offset; size_t nread; + struct stopwatch sw; + /* * MTS location is hard coded to this magic address. The hardware will * take the MTS from this location and place it in the final resting @@ -86,6 +88,7 @@ int ccplex_load_mts(void) void * const mts = (void *)(uintptr_t)MTS_LOAD_ADDRESS; struct cbfs_media *media = CBFS_DEFAULT_MEDIA; + stopwatch_init(&sw); offset = cbfs_locate_file(media, &file, MTS_FILE_NAME); if (offset < 0) { printk(BIOS_DEBUG, "MTS file not found: %s\n", MTS_FILE_NAME); @@ -101,7 +104,8 @@ int ccplex_load_mts(void) return -1; } - printk(BIOS_DEBUG, "MTS: %zu bytes loaded @ %p\n", nread, mts); + printk(BIOS_DEBUG, "MTS: %zu bytes loaded @ %p in %ld usecs.\n", + nread, mts, stopwatch_duration_usecs(&sw)); return ccplex_start(); } diff --git a/src/soc/nvidia/tegra132/romstage.c b/src/soc/nvidia/tegra132/romstage.c index 3fd3266f35..9051a81e6f 100644 --- a/src/soc/nvidia/tegra132/romstage.c +++ b/src/soc/nvidia/tegra132/romstage.c @@ -22,6 +22,7 @@ #include <cbmem.h> #include <console/cbmem_console.h> #include <console/console.h> +#include <timer.h> #include <arch/exception.h> #include <soc/addressmap.h> @@ -40,6 +41,9 @@ void __attribute__((weak)) romstage_mainboard_init(void) static void *load_ramstage(void) { void *entry; + struct stopwatch sw; + + stopwatch_init(&sw); /* * This platform does not need to cache a loaded ramstage nor do we * go down this path on resume. Therefore, no romstage_handoff is @@ -48,6 +52,9 @@ static void *load_ramstage(void) entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, CONFIG_CBFS_PREFIX "/ramstage"); + printk(BIOS_DEBUG, "Ramstage load time: %ld usecs.\n", + stopwatch_duration_usecs(&sw)); + return entry; } |