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 | |
parent | cd19f7d867d50c98ba0f6c5c63db087932111a53 (diff) | |
download | coreboot-staging-fb69a69fce13d1a40d7ef1cb16a85586c6aabd1b.zip coreboot-staging-fb69a69fce13d1a40d7ef1cb16a85586c6aabd1b.tar.gz |
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')
-rw-r--r-- | util/inteltool/inteltool.c | 11 | ||||
-rw-r--r-- | util/inteltool/inteltool.h | 4 | ||||
-rw-r--r-- | util/inteltool/ivy_memory.c | 29 | ||||
-rw-r--r-- | util/inteltool/memory.c | 4 |
4 files changed, 41 insertions, 7 deletions
diff --git a/util/inteltool/inteltool.c b/util/inteltool/inteltool.c index 508b55a..f91b3ad 100644 --- a/util/inteltool/inteltool.c +++ b/util/inteltool/inteltool.c @@ -228,6 +228,7 @@ void print_usage(const char *name) " -r | --rcba: dump southbridge RCBA registers\n" " -p | --pmbase: dump southbridge Power Management registers\n\n" " -m | --mchbar: dump northbridge Memory Controller registers\n" + " -S FILE | --spd=FILE: generate spd.bin equivalent to current timings\n" " -e | --epbar: dump northbridge EPBAR registers\n" " -d | --dmibar: dump northbridge DMIBAR registers\n" " -P | --pciexpress: dump northbridge PCIEXBAR registers\n\n" @@ -242,6 +243,7 @@ int main(int argc, char *argv[]) { struct pci_access *pacc; struct pci_dev *sb = NULL, *nb, *gfx = NULL, *dev; + const char *dump_spd_file = 0; int i, opt, option_index = 0; unsigned int id; @@ -267,18 +269,23 @@ int main(int argc, char *argv[]) {"msrs", 0, 0, 'M'}, {"ambs", 0, 0, 'A'}, {"spi", 0, 0, 's'}, + {"spd", 0, 0, 'S'}, {"all", 0, 0, 'a'}, {"gfx", 0, 0, 'f'}, {0, 0, 0, 0} }; - while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaAsf", + while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaAsfS:", long_options, &option_index)) != EOF) { switch (opt) { case 'v': print_version(); exit(0); break; + case 'S': + dump_spd_file = optarg; + dump_mchbar = 1; + break; case 'g': dump_gpios = 1; break; @@ -467,7 +474,7 @@ int main(int argc, char *argv[]) } if (dump_mchbar) { - print_mchbar(nb, pacc); + print_mchbar(nb, pacc, dump_spd_file); printf("\n\n"); } diff --git a/util/inteltool/inteltool.h b/util/inteltool/inteltool.h index cff0fd9..dffe204 100644 --- a/util/inteltool/inteltool.h +++ b/util/inteltool/inteltool.h @@ -204,7 +204,7 @@ void unmap_physical(void *virt_addr, size_t len); unsigned int cpuid(unsigned int op); int print_intel_core_msrs(void); -int print_mchbar(struct pci_dev *nb, struct pci_access *pacc); +int print_mchbar(struct pci_dev *nb, struct pci_access *pacc, const char *dump_spd_file); int print_pmbase(struct pci_dev *sb, struct pci_access *pacc); int print_rcba(struct pci_dev *sb); int print_gpios(struct pci_dev *sb, int show_all, int show_diffs); @@ -214,4 +214,4 @@ int print_pciexbar(struct pci_dev *nb); int print_ambs(struct pci_dev *nb, struct pci_access *pacc); int print_spi(struct pci_dev *sb); int print_gfx(struct pci_dev *gfx); -void ivybridge_dump_timings(void); +void ivybridge_dump_timings(const char *dump_spd_file); diff --git a/util/inteltool/ivy_memory.c b/util/inteltool/ivy_memory.c index ba59b51..98eef41 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); + } } diff --git a/util/inteltool/memory.c b/util/inteltool/memory.c index 313de5a..aacaf96 100644 --- a/util/inteltool/memory.c +++ b/util/inteltool/memory.c @@ -111,7 +111,7 @@ static void dump_timings (void) /* * (G)MCH MMIO Config Space */ -int print_mchbar(struct pci_dev *nb, struct pci_access *pacc) +int print_mchbar(struct pci_dev *nb, struct pci_access *pacc, const char *dump_spd_file) { int i, size = (16 * 1024); uint64_t mchbar_phys; @@ -265,7 +265,7 @@ int print_mchbar(struct pci_dev *nb, struct pci_access *pacc) case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_M: case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_E3: case PCI_DEVICE_ID_INTEL_CORE_3RD_GEN_015c: - ivybridge_dump_timings(); + ivybridge_dump_timings(dump_spd_file); break; } unmap_physical((void *)mchbar, size); |