diff options
| author | Vladimir Serbinenko <phcoder@gmail.com> | 2015-10-10 13:20:32 +0200 |
|---|---|---|
| committer | Vladimir Serbinenko <phcoder@gmail.com> | 2015-10-11 15:01:05 +0000 |
| commit | fb69a69fce13d1a40d7ef1cb16a85586c6aabd1b (patch) | |
| tree | cbf4729ce926b21273b9efec17e4451d393d21b0 /util/inteltool/ivy_memory.c | |
| parent | cd19f7d867d50c98ba0f6c5c63db087932111a53 (diff) | |
inteltool: Add function to generate SPD dump.
E.g. on my MacbookAir to generate spd.bin to be used
with coreboot I do:
./inteltool -S spd.bin
Change-Id: If165475ed3e1f3262a8926ef619128d25b1e2896
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/11847
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Diffstat (limited to 'util/inteltool/ivy_memory.c')
| -rw-r--r-- | util/inteltool/ivy_memory.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/util/inteltool/ivy_memory.c b/util/inteltool/ivy_memory.c index ba59b51bfd..98eef41b03 100644 --- a/util/inteltool/ivy_memory.c +++ b/util/inteltool/ivy_memory.c @@ -19,6 +19,7 @@ #include <stdlib.h> #include <string.h> #include <inttypes.h> +#include <errno.h> #include "inteltool.h" extern volatile uint8_t *mchbar; @@ -69,7 +70,7 @@ static u16 spd_ddr3_calc_crc(u8 * spd) return crc; } -void ivybridge_dump_timings(void) +void ivybridge_dump_timings(const char *dump_spd_file) { u32 mr0[2]; u32 mr1[2]; @@ -362,8 +363,20 @@ void ivybridge_dump_timings(void) printf("/* SPD matching current mode: */\n"); + FILE *dump_spd = 0; + + if (dump_spd_file) { + dump_spd = fopen (dump_spd_file, "wb"); + if (!dump_spd) { + fprintf (stderr, "Couldn't open file %s: %s\n", dump_spd_file, + strerror (errno)); + exit (1); + } + } + for (channel = 0; channel < 2; channel++) for (slot = 0; slot < 2; slot++) + { if (slots[channel][slot].size_mb) { int i; @@ -377,6 +390,20 @@ void ivybridge_dump_timings(void) printf("\n"); } printf("\n"); + + if (dump_spd) { + fwrite(spd[channel][slot], 1, 256, dump_spd); + } + } else { + if (dump_spd) { + char zero[256]; + memset (zero, 0, 256); + fwrite(zero, 1, 256, dump_spd); + } } + } + if (dump_spd) { + fclose (dump_spd); + } } |