fix superiotool for NCT6776F

The current code exits config mode of the NCT6776F immediately after
detection, so the register dump shows all 0xffs. This patch adds code to
re-enter config mode for the register dump so that the register contents
can be read.

Change-Id: I4ad0c108b6411a665e31f55dea4b91ca77d1a5f7
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Reviewed-on: http://review.coreboot.org/391
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

diff --git a/util/superiotool/nuvoton.c b/util/superiotool/nuvoton.c
index 6a1a75c0c52a4bfa6fb37add9b760ad02538b538..ed2eabc021200299daf95755e30cc3d56d4e0674 100644 (file)
--- a/util/superiotool/nuvoton.c
+++ b/util/superiotool/nuvoton.c
@@ -255,7 +255,9 @@ void probe_idregs_nuvoton(uint16_t port)
                printf("Found Nuvoton %s (id=0x%02x) at 0x%x\n",
                       get_superio_name(reg_table, chip_id), chip_id, port);
                chip_found = 1;
+               enter_conf_mode_winbond_fintek_ite_8787(port);
                dump_superio("Nuvoton", reg_table, port, chip_id, LDN_SEL);
+               exit_conf_mode_winbond_fintek_ite_8787(port);
                return;
        }