[coreboot-gerrit] New patch to review for coreboot: fb7e987 lenovo/t60: Collect timestamps in romstage
Nico Huber (nico.huber@secunet.com)
gerrit at coreboot.org
Tue Jun 18 22:58:36 CEST 2013
Nico Huber (nico.huber at secunet.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3499
-gerrit
commit fb7e98708eff70404182d601cd8fbddb0d214f77
Author: Nico Huber <nico.h at gmx.de>
Date: Sun May 26 19:37:47 2013 +0200
lenovo/t60: Collect timestamps in romstage
Collect early timestamps in T60's romstage like some newer boards do.
This should also work on X60s (and other ICH7 based systems with
EARLY_CBMEM_INIT).
Change-Id: I3b2872dd7423f3379ff3b68ad999523ec35fc08e
Signed-off-by: Nico Huber <nico.h at gmx.de>
---
src/mainboard/lenovo/t60/romstage.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c
index 16971fc..5bb7ac1 100644
--- a/src/mainboard/lenovo/t60/romstage.c
+++ b/src/mainboard/lenovo/t60/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>
@@ -211,6 +212,20 @@ 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();
@@ -279,7 +294,13 @@ 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();
@@ -336,6 +357,14 @@ 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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