Small coding style fixes and documentation updates (trivial).

[coreboot.git] / util / superiotool / ite.c

diff --git a/util/superiotool/ite.c b/util/superiotool/ite.c
index 9d3a263a577f676f911c9511dcdbec1ba1a68a78..784c4efcdab73324d58fc41f38bd7ed14122ffb4 100644 (file)
--- a/util/superiotool/ite.c
+++ b/util/superiotool/ite.c
@@ -379,7 +379,7 @@ static void exit_conf_mode_ite(uint16_t port)
 
 static void probe_idregs_ite_helper(const char *init, uint16_t port)
 {
-       uint16_t id, chipver;
+       uint16_t id, chipver, ecport;
 
        probing_for("ITE", init, port);
 
@@ -400,13 +400,16 @@ static void probe_idregs_ite_helper(const char *init, uint16_t port)
        dump_superio("ITE", reg_table, port, id);
 
        if (extra_dump) {
-               uint16_t ecport;
-               regwrite(port, 0x07, 0x04); /*EC LDN*/
+               regwrite(port, 0x07, 0x04); /* Select LDN 4 (EC). */
+
+               /* Get EC base address (stored in LDN 4, index 0x60/0x61). */
                ecport = regval(port, 0x60) << 8;
                ecport |= regval(port, 0x61);
+
+               /* EC address register = EC base address + 5. */
                ecport += 5;
 
-               printf("Environment Controller (0x%04x)\n",ecport);
+               printf("Environment controller (0x%04x)\n", ecport);
                dump_superio("ITE-EC", ec_table, ecport, id);
        }
 }