util/inteltool: add code for dumping LPC registers

This adds the implementation for dumping LPC registers

Change-Id: I50ae4913933f7594f0d63ce3f752302ed5c461e2
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39517
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 14 insertions, 2 deletions

diff --git a/util/inteltool/inteltool.c b/util/inteltool/inteltool.c
index 0e84b550fc..8d5d9942a7 100644
--- a/util/inteltool/inteltool.c
+++ b/util/inteltool/inteltool.c
@@ -494,7 +494,7 @@ static void print_version(void)
 
 static void print_usage(const char *name)
 {
-	printf("usage: %s [-vh?gGrpmedPMaAsfSRx]\n", name);
+	printf("usage: %s [-vh?gGrplmedPMaAsfSRx]\n", name);
 	printf("\n"
 	     "   -v | --version:                   print the version\n"
 	     "   -h | --help:                      print this help\n\n"
@@ -505,6 +505,7 @@ static void print_usage(const char *name)
 	     "   -G | --gpio-diffs:                show GPIO differences from defaults\n"
 	     "   -r | --rcba:                      dump southbridge RCBA registers\n"
 	     "   -p | --pmbase:                    dump southbridge Power Management registers\n\n"
+	     "   -l | --lpc:                       dump southbridge LPC/eSPI Interface registers\n\n"
 	     "   -m | --mchbar:                    dump northbridge Memory Controller registers\n"
 	     "   -S FILE | --spd=FILE:             create a file storing current timings (implies -m)\n"
 	     "   -e | --epbar:                     dump northbridge EPBAR registers\n"
@@ -574,6 +575,7 @@ int main(int argc, char *argv[])
 	int dump_pmbase = 0, dump_epbar = 0, dump_dmibar = 0;
 	int dump_pciexbar = 0, dump_coremsrs = 0, dump_ambs = 0;
 	int dump_spi = 0, dump_gfx = 0, dump_ahci = 0, dump_sgx = 0;
+	int dump_lpc = 0;
 	int show_gpio_diffs = 0;
 	size_t pcr_count = 0;
 	uint8_t dump_pcr[MAX_PCR_PORTS];
@@ -586,6 +588,7 @@ int main(int argc, char *argv[])
 		{"mchbar", 0, 0, 'm'},
 		{"rcba", 0, 0, 'r'},
 		{"pmbase", 0, 0, 'p'},
+		{"lpc", 0, 0, 'l'},
 		{"epbar", 0, 0, 'e'},
 		{"dmibar", 0, 0, 'd'},
 		{"pciexpress", 0, 0, 'P'},
@@ -601,7 +604,7 @@ int main(int argc, char *argv[])
 		{0, 0, 0, 0}
 	};
 
-	while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaAsfRS:x",
+	while ((opt = getopt_long(argc, argv, "vh?gGrplmedPMaAsfRS:x",
                                   long_options, &option_index)) != EOF) {
 		switch (opt) {
 		case 'v':
@@ -633,6 +636,9 @@ int main(int argc, char *argv[])
 		case 'p':
 			dump_pmbase = 1;
 			break;
+		case 'l':
+			dump_lpc = 1;
+			break;
 		case 'e':
 			dump_epbar = 1;
 			break;
@@ -651,6 +657,7 @@ int main(int argc, char *argv[])
 			dump_mchbar = 1;
 			dump_rcba = 1;
 			dump_pmbase = 1;
+			dump_lpc = 1;
 			dump_epbar = 1;
 			dump_dmibar = 1;
 			dump_pciexbar = 1;
@@ -816,6 +823,11 @@ int main(int argc, char *argv[])
 		printf("\n\n");
 	}
 
+	if (dump_lpc) {
+		print_lpc(sb, pacc);
+		printf("\n\n");
+	}
+
 	if (dump_mchbar) {
 		print_mchbar(nb, pacc, dump_spd_file);
 		printf("\n\n");