Add detection/dump support for ServerEngines SE-SM 4210-P01.

Note that the registers and their defaults are mostly based on educated
guessing, due to the lack of datasheet.

Signed-off-by: Ruud Schramp <schramp@holmes.nl>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6484 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

3 files changed, 121 insertions, 1 deletions

diff --git a/util/superiotool/Makefile b/util/superiotool/Makefile
index 00a1cc0d7b..38a4127bb1 100644
--- a/util/superiotool/Makefile
+++ b/util/superiotool/Makefile
@@ -33,7 +33,8 @@ CFLAGS += -O2 -Wall -Werror -Wstrict-prototypes -Wundef -Wstrict-aliasing \
          -Werror-implicit-function-declaration -ansi -pedantic $(SVNDEF)
 LDFLAGS += -lz
 
-OBJS = superiotool.o ali.o fintek.o ite.o nsc.o nuvoton.o smsc.o winbond.o
+OBJS = superiotool.o serverengines.o ali.o fintek.o ite.o nsc.o nuvoton.o \
+       smsc.o winbond.o
 
 OS_ARCH = $(shell uname)
 ifeq ($(OS_ARCH), Darwin)
diff --git a/util/superiotool/serverengines.c b/util/superiotool/serverengines.c
new file mode 100644
index 0000000000..fc1dbd250a
--- /dev/null
+++ b/util/superiotool/serverengines.c
@@ -0,0 +1,113 @@
+/*
+ * This file is part of the superiotool project.
+ *
+ * Copyright (C) 2011 Ruud Schramp <schramp@holmes.nl>
+ *
+ * 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"
+
+#define DEVICE_ID_BYTE1_REG	0x20
+#define DEVICE_ID_BYTE2_REG	0x21
+
+#define DEVICE_REV_REG		0x1f
+
+static const struct superio_registers reg_table[] = {
+	/*
+	 * Note: These register defaults are based on educated guessing,
+	 *       take them with a grain of salt.
+	 *
+	 * TODO: Don't know the ID registers yet: 0x21 probably is not an ID
+	 * register as it is being set in the BIOS. For now still use as there
+	 * is no known alternative.
+	 */
+	{0x02c0, "SE-SM 4210-P01", {
+		{NOLDN, NULL,
+			{0x1f,0x20,0x21,0x22,0x23,0x2c,0x2d,0x2e,EOT},
+			{NANA,0x02,0xc0,0x00,0x00,RSVD,RSVD,RSVD,EOT}},
+		{0x0, "UNKNOWN",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{0x1, "COM2",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{0x00,0x02,0xf8,0x03,0x00,0x00,0x0c,EOT}},
+		{0x2, "COM1",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{0x00,0x03,0xf8,0x04,0x00,0x00,0x0c,EOT}},
+		{0x3, "UNKNOWN",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{0x4, "UNKNOWN",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{0x5, "UNKNOWN",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{0x6, "UNKNOWN",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{0x7, "UNKNOWN",
+			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{EOT}}},
+	{EOT}
+};
+
+static void enter_conf_mode_serverengines(uint16_t port)
+{
+	OUTB(0x5a, port);
+}
+
+static void exit_conf_mode_serverengines(uint16_t port)
+{
+	OUTB(0xa5, port);
+}
+
+void probe_idregs_serverengines(uint16_t port)
+{
+	uint16_t id;
+	uint8_t rev;
+
+	probing_for("Server Engines", "", port);
+
+	enter_conf_mode_serverengines(port);
+
+	id = regval(port, DEVICE_ID_BYTE1_REG) << 8;
+	id |= regval(port, DEVICE_ID_BYTE2_REG);
+
+	/* TODO: Not documented/available on ServerEngines. */
+	rev = regval(port, DEVICE_REV_REG);
+
+	if (superio_unknown(reg_table, id)) {
+		if (verbose)
+			printf(NOTFOUND "id=0x%04x, rev=0x%02x\n", id, rev);
+		exit_conf_mode_serverengines(port);
+		return;
+	}
+
+	printf("Found Server Engines %s (id=0x%04x, rev=0x%02x) at 0x%x\n",
+	       get_superio_name(reg_table, id), id, rev, port);
+	chip_found = 1;
+
+	dump_superio("Server Engines", reg_table, port, id, LDN_SEL);
+
+	exit_conf_mode_serverengines(port);
+}
+
+void print_serverengines_chips(void)
+{
+	print_vendor_chips("Server Engines", reg_table);
+}
diff --git a/util/superiotool/superiotool.h b/util/superiotool/superiotool.h
index 8a7d2aa479..e7c6c40398 100644
--- a/util/superiotool/superiotool.h
+++ b/util/superiotool/superiotool.h
@@ -182,6 +182,10 @@ void print_vendor_chips(const char *vendor,
 void probe_idregs_ali(uint16_t port);
 void print_ali_chips(void);
 
+/* serverengines.c */
+void probe_idregs_serverengines(uint16_t port);
+void print_serverengines_chips(void);
+
 /* fintek.c */
 void probe_idregs_fintek(uint16_t port);
 void probe_idregs_fintek_alternative(uint16_t port);
@@ -232,6 +236,7 @@ static const struct {
 #ifdef PCI_SUPPORT
 	{probe_idregs_via,	{0x3f0, EOT}},
 #endif
+	{probe_idregs_serverengines,	{0x2e, EOT}},
 };
 
 /** Table of functions to print out supported Super I/O chips. */
@@ -248,6 +253,7 @@ static const struct {
 #ifdef PCI_SUPPORT
 	{print_via_chips},
 #endif
+	{print_serverengines_chips},
 };
 
 #endif