[coreboot-gerrit] Patch set updated for coreboot: 1a470af lenovo/x60/romstage.c: Collect timestamps in romstage
Ronald G. Minnich (rminnich@gmail.com)
gerrit at coreboot.org
Thu Aug 29 01:01:05 CEST 2013
Ronald G. Minnich (rminnich at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3587
-gerrit
commit 1a470afe5954217627b694c2ae08b85c0bbc8a69
Author: Paul Menzel <paulepanter at users.sourceforge.net>
Date: Tue Jul 2 09:54:17 2013 +0200
lenovo/x60/romstage.c: Collect timestamps in romstage
Collect early timestamps in Lenovo X60’s romstage.
Selecting the option `COLLECT_TIMESTAMPS` in Kconfig and then
doing `cbmem --timestamps` should output the timestamps.
Change-Id: I7bd30f03a1b85c38e89c19cdf88b2d20b24abed8
Signed-off-by: Paul Menzel <paulepanter at users.sourceforge.net>
---
src/mainboard/lenovo/x60/romstage.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/mainboard/lenovo/x60/romstage.c b/src/mainboard/lenovo/x60/romstage.c
index 222b999..4d0eac7 100644
--- a/src/mainboard/lenovo/x60/romstage.c
+++ b/src/mainboard/lenovo/x60/romstage.c
@@ -30,6 +30,7 @@
#include <cpu/x86/lapic.h>
#include <lib.h>
#include <cbmem.h>
+#include <timestamp.h>
#include <pc80/mc146818rtc.h>
#include <console/console.h>
#include <cpu/x86/bist.h>
@@ -218,6 +219,20 @@ void main(unsigned long bist)
int cbmem_was_initted;
const u8 spd_addrmap[2 * DIMM_SOCKETS] = { 0x50, 0x52, 0x51, 0x53 };
+#if CONFIG_COLLECT_TIMESTAMPS
+ tsc_t start_romstage_time;
+ tsc_t before_dram_time;
+ tsc_t after_dram_time;
+ tsc_t base_time = {
+ .lo = pci_read_config32(PCI_DEV(0, 0x00, 0), 0xdc),
+ .hi = pci_read_config32(PCI_DEV(0, 0x1f, 2), 0xd0)
+ };
+#endif
+
+#if CONFIG_COLLECT_TIMESTAMPS
+ start_romstage_time = rdtsc();
+#endif
+
if (bist == 0)
enable_lapic();
@@ -281,7 +296,13 @@ void main(unsigned long bist)
dump_spd_registers();
#endif
+#if CONFIG_COLLECT_TIMESTAMPS
+ before_dram_time = rdtsc();
+#endif
sdram_initialize(boot_mode, spd_addrmap);
+#if CONFIG_COLLECT_TIMESTAMPS
+ after_dram_time = rdtsc();
+#endif
/* Perform some initialization that must run before stage2 */
early_ich7_init();
@@ -340,6 +361,14 @@ void main(unsigned long bist)
}
#endif
+#if CONFIG_COLLECT_TIMESTAMPS
+ timestamp_init(base_time);
+ timestamp_add(TS_START_ROMSTAGE, start_romstage_time);
+ timestamp_add(TS_BEFORE_INITRAM, before_dram_time);
+ timestamp_add(TS_AFTER_INITRAM, after_dram_time);
+ timestamp_add_now(TS_END_ROMSTAGE);
+#endif
+
#if CONFIG_CONSOLE_CBMEM
/* Keep this the last thing this function does. */
cbmemc_reinit();
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