Split up superiotool.c into multiple source files, one per vendor.

As there will be lots more supported Super I/Os soon, the file is
really getting way too big...

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2777 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 91 insertions, 0 deletions

diff --git a/util/superiotool/nsc.c b/util/superiotool/nsc.c
new file mode 100644
index 0000000000..0fb2b7463e
--- /dev/null
+++ b/util/superiotool/nsc.c
@@ -0,0 +1,91 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "superiotool.h"
+
+/* Well, they really thought this through, eh? Family is 8 bits! */
+static const char *familyid[] = {
+	[0xf1] = "PC8374 (Winbond/NatSemi)"
+};
+
+void dump_ns8374(unsigned short port)
+{
+	printf("Enables: 21=%02x, 22=%02x, 23=%02x, 24=%02x, 26=%02x\n",
+	       regval(port, 0x21), regval(port, 0x22), regval(port, 0x23),
+	       regval(port, 0x24), regval(port, 0x26));
+	printf("SMBUS at %02x\n", regval(port, 0x2a));
+
+	/* Check COM1. This is all we care about at present. */
+	printf("COM 1 is globally %s\n",
+	       regval(port, 0x26) & 8 ? "disabled" : "enabled");
+
+	/* Select COM1. */
+	regwrite(port, 0x07, 0x03);
+	printf("COM 1 is locally %s\n",
+	       regval(port, 0x30) & 1 ? "enabled" : "disabled");
+	printf
+	    ("COM1 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
+	     regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
+	     regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
+	     regval(port, 0xf0));
+
+	/* Select GPIO. */
+	regwrite(port, 0x07, 0x07);
+	printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
+	printf
+	    ("GPIO 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
+	     regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
+	     regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
+	     regval(port, 0xf0));
+}
+
+void probe_idregs_simple(unsigned short port)
+{
+	unsigned char id;
+
+	outb(0x20, port);
+	if (inb(port) != 0x20) {
+		if (inb(port) == 0xff)
+			printf("No Super I/O chip found at 0x%04x\n", port);
+		else
+			printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
+		return;
+	}
+	id = inb(port + 1);
+
+	printf("Super I/O found at 0x%02x: id = 0x%02x\n", port, id);
+	if (id == 0xff)
+		return;
+
+	if (familyid[id])
+		printf("%s\n", familyid[id]);
+	else
+		printf("<unknown>\n");
+
+	switch (id) {
+	case 0xf1:
+		dump_ns8374(port);
+		break;
+	default:
+		printf("No dump for 0x%02x\n", id);
+		break;
+	}
+}
+