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authorJonathan A. Kollasch <jakllsch@kollasch.net>2011-11-07 10:56:42 -0600
committerStefan Reinauer <stefan.reinauer@coreboot.org>2011-11-07 22:05:21 +0100
commit3d1d6bb4ecb15a12f48f871c623882bee9c0c576 (patch)
tree71acff01da06eaf9a2f84cad9864a0f74470cf21 /util
parent2d7ab4c559ae1da8ebf1107b179e3a136b869beb (diff)
downloadcoreboot-3d1d6bb4ecb15a12f48f871c623882bee9c0c576.tar.xz
superiotool: add detection and dump of Infineon SLB9635 TPM
Change-Id: If94ea5f45135a4b65bdd37532851fa0ba864bb73 Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net> Reviewed-on: http://review.coreboot.org/421 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'util')
-rw-r--r--util/superiotool/Makefile2
-rw-r--r--util/superiotool/infineon.c87
-rw-r--r--util/superiotool/superiotool.h6
3 files changed, 94 insertions, 1 deletions
diff --git a/util/superiotool/Makefile b/util/superiotool/Makefile
index 5cc7650ad8..e7d2f6329e 100644
--- a/util/superiotool/Makefile
+++ b/util/superiotool/Makefile
@@ -34,7 +34,7 @@ CFLAGS += -O2 -Wall -Wstrict-prototypes -Wundef -Wstrict-aliasing \
LDFLAGS += -lz
OBJS = superiotool.o serverengines.o ali.o fintek.o ite.o nsc.o nuvoton.o \
- smsc.o winbond.o
+ smsc.o winbond.o infineon.o
OS_ARCH = $(shell uname)
ifeq ($(OS_ARCH), Darwin)
diff --git a/util/superiotool/infineon.c b/util/superiotool/infineon.c
new file mode 100644
index 0000000000..56bc062064
--- /dev/null
+++ b/util/superiotool/infineon.c
@@ -0,0 +1,87 @@
+/*
+ * This file is part of the superiotool project.
+ *
+ * Copyright (C) 2011 Jonathan A. Kollasch <jakllsch@kollasch.net>
+ *
+ * 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_REG 0x20
+#define DEVICE_REV_REG 0x21
+
+static const struct superio_registers reg_table[] = {
+ {0x0b, "SLB9635TT12", {
+ {NOLDN, NULL,
+ {0x20,0x21,0x26,0x27,EOT},
+ {0x0b,0x00,NANA,NANA,EOT}},
+ {0, NULL,
+ {0x30,0x38,0x60,0x61,0x70,0x71,0xf1,0xf2,0xf3,0xf4,0xf5,EOT},
+ {0x00,0x00,NANA,NANA,0x00,0x02,0xd1,0x15,0x0b,0x00,NANA,EOT}},
+ {EOT}}},
+ {EOT}
+};
+
+/* same as some SMSC */
+static void enter_conf_mode_infineon(uint16_t port)
+{
+ OUTB(0x55, port);
+}
+
+static void exit_conf_mode_infineon(uint16_t port)
+{
+ OUTB(0xaa, port);
+}
+
+void probe_idregs_infineon(uint16_t port)
+{
+ uint8_t rev, devid;
+
+ probing_for("Infineon", "", port);
+
+ enter_conf_mode_infineon(port);
+
+ devid = regval(port, DEVICE_ID_REG);
+ rev = regval(port, DEVICE_REV_REG);
+
+ if (superio_unknown(reg_table, devid)) {
+ if (verbose)
+ printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
+ exit_conf_mode_infineon(port);
+ return;
+ }
+
+ /* Attempt to prevent false matches on SMSC FDC37N972, see smsc.c */
+ if (((regval(port, 0x27)<<8)|regval(port, 0x26)) != port) {
+ if (verbose)
+ printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
+ exit_conf_mode_infineon(port);
+ return;
+ }
+
+ printf("Found Infineon %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
+ get_superio_name(reg_table, devid), devid, rev, port);
+ chip_found = 1;
+
+ dump_superio("Infineon", reg_table, port, devid, LDN_SEL);
+
+ exit_conf_mode_infineon(port);
+}
+
+void print_infineon_chips(void)
+{
+ print_vendor_chips("Infineon", reg_table);
+}
diff --git a/util/superiotool/superiotool.h b/util/superiotool/superiotool.h
index f705a58d82..5583ec5669 100644
--- a/util/superiotool/superiotool.h
+++ b/util/superiotool/superiotool.h
@@ -195,6 +195,10 @@ void probe_idregs_fintek(uint16_t port);
void probe_idregs_fintek_alternative(uint16_t port);
void print_fintek_chips(void);
+/* infineon.c */
+void probe_idregs_infineon(uint16_t port);
+void print_infineon_chips(void);
+
/* ite.c */
void probe_idregs_ite(uint16_t port);
void print_ite_chips(void);
@@ -243,6 +247,7 @@ static const struct {
{probe_idregs_amd, {0xaa, EOT}},
#endif
{probe_idregs_serverengines, {0x2e, EOT}},
+ {probe_idregs_infineon, {0x2e, 0x4e}},
};
/** Table of functions to print out supported Super I/O chips. */
@@ -261,6 +266,7 @@ static const struct {
{print_amd_chips},
#endif
{print_serverengines_chips},
+ {print_infineon_chips},
};
#endif