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nyan: add timestamps in romstage

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BUG=none
BRANCH=none
TEST=ran "cbmem" on nyan and saw timestamps.

Change-Id: Id1a0f32c4278e47b2f8c31492e87c0bc899adb50
Reviewed-on: https://chromium-review.googlesource.com/176172
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
David Hendricks 2013-11-06 18:25:31 -08:00 • committed by chrome-internal-fetch
commit cd626aa10b
1 changed files with 13 additions and 0 deletions
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13
src/mainboard/google/nyan/romstage.c
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@ -27,6 +27,7 @@
#include <console/console.h>
#include "soc/nvidia/tegra124/chip.h"
#include <soc/display.h>
#include <timestamp.h>
// Convenient shorthand (in MB)
#define DRAM_START (CONFIG_SYS_SDRAM_BASE >> 20)
@ -73,6 +74,10 @@ static void configure_l2actlr(void)
void main(void)
{
#if CONFIG_COLLECT_TIMESTAMPS
uint64_t romstage_start_time = timestamp_get();
#endif
// Globally disable MMU, caches and branch prediction (these should
// already be disabled by default on reset).
uint32_t sctlr = read_sctlr();
@ -119,7 +124,15 @@ void main(void)
cbmem_initialize_empty();
#if CONFIG_COLLECT_TIMESTAMPS
timestamp_init(0);
timestamp_add(TS_START_ROMSTAGE, romstage_start_time);
timestamp_add(TS_START_COPYRAM, timestamp_get());
#endif
void *entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA,
"fallback/coreboot_ram");
#if CONFIG_COLLECT_TIMESTAMPS
timestamp_add(TS_END_COPYRAM, timestamp_get());
#endif
stage_exit(entry);
}