Patch set updated for coreboot: 1a470af lenovo/x60/romstage.c: Collect timestamps in romstage

[Ronald G. Minnich]

Ronald G. Minnich ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3587

-gerrit

commit 1a470afe5954217627b694c2ae08b85c0bbc8a69
Author: Paul Menzel 
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 
---
 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();