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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@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/3587
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Paul Menzel 2013-07-02 09:54:17 +02:00 committed by Stefan Reinauer
parent 3c46ca33a1
commit ab6d27e8f8
1 changed files with 29 additions and 0 deletions
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29
src/mainboard/lenovo/x60/romstage.c
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@ -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();