13 files changed, 7937 insertions, 0 deletions

diff --git a/security/tf_driver/Kconfig b/security/tf_driver/Kconfig
new file mode 100644
index 00000000000..2a980c5ade4
--- /dev/null
+++ b/security/tf_driver/Kconfig
@@ -0,0 +1,8 @@
+config TRUSTED_FOUNDATIONS
+        bool "Enable TF Driver"
+        default n
+        select CRYPTO_SHA1
+        help
+          This option adds kernel support for communication with the Trusted Foundations.
+          If you are unsure how to answer this question, answer N.
+
diff --git a/security/tf_driver/Makefile b/security/tf_driver/Makefile
new file mode 100644
index 00000000000..dfadb7d9740
--- /dev/null
+++ b/security/tf_driver/Makefile
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2006-2010 Trusted Logic S.A.
+# All Rights Reserved.
+#
+# 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+# debug options
+#EXTRA_CFLAGS += -O0 -DDEBUG -D_DEBUG -DCONFIG_TF_DRIVER_DEBUG_SUPPORT
+EXTRA_CFLAGS += -DNDEBUG
+EXTRA_CFLAGS += -DLINUX -DCONFIG_TF_TRUSTZONE -DCONFIG_TFN
+
+ifdef S_VERSION_BUILD
+EXTRA_CFLAGS += -DS_VERSION_BUILD=$(S_VERSION_BUILD)
+endif
+
+tf_driver-objs += tf_util.o
+tf_driver-objs += tf_conn.o
+tf_driver-objs += tf_device.o
+tf_driver-objs += tf_comm.o
+tf_driver-objs += tf_comm_tz.o
+
+obj-$(CONFIG_TRUSTED_FOUNDATIONS) += tf_driver.o
diff --git a/security/tf_driver/s_version.h b/security/tf_driver/s_version.h
new file mode 100644
index 00000000000..6244d3fe7e8
--- /dev/null
+++ b/security/tf_driver/s_version.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2011 Trusted Logic S.A.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __S_VERSION_H__
+#define __S_VERSION_H__
+
+/*
+ * Usage: define S_VERSION_BUILD on the compiler's command line.
+ *
+ * Then set:
+ * - S_VERSION_OS
+ * - S_VERSION_PLATFORM
+ * - S_VERSION_MAIN
+ * - S_VERSION_ENG is optional
+ * - S_VERSION_PATCH is optional
+ * - S_VERSION_BUILD = 0 if S_VERSION_BUILD not defined or empty
+ */
+
+#define S_VERSION_OS "A"          /* "A" for all Android */
+#define S_VERSION_PLATFORM "B"    /* "B" for Tegra3 */
+
+/*
+ * This version number must be updated for each new release
+ */
+#define S_VERSION_MAIN  "01.03"
+
+/*
+* If this is a patch or engineering version use the following
+* defines to set the version number. Else set these values to 0.
+*/
+#define S_VERSION_ENG 0
+#define S_VERSION_PATCH 0
+
+#ifdef S_VERSION_BUILD
+/* TRICK: detect if S_VERSION is defined but empty */
+#if 0 == S_VERSION_BUILD-0
+#undef  S_VERSION_BUILD
+#define S_VERSION_BUILD 0
+#endif
+#else
+/* S_VERSION_BUILD is not defined */
+#define S_VERSION_BUILD 0
+#endif
+
+#define __STRINGIFY(X) #X
+#define __STRINGIFY2(X) __STRINGIFY(X)
+
+#if S_VERSION_ENG != 0
+#define _S_VERSION_ENG "e" __STRINGIFY2(S_VERSION_ENG)
+#else
+#define _S_VERSION_ENG ""
+#endif
+
+#if S_VERSION_PATCH != 0
+#define _S_VERSION_PATCH "p" __STRINGIFY2(S_VERSION_PATCH)
+#else
+#define _S_VERSION_PATCH ""
+#endif
+
+#if !defined(NDEBUG) || defined(_DEBUG)
+#define S_VERSION_VARIANT "D   "
+#else
+#define S_VERSION_VARIANT "    "
+#endif
+
+#define S_VERSION_STRING \
+        "TFN" \
+        S_VERSION_OS \
+        S_VERSION_PLATFORM \
+        S_VERSION_MAIN \
+        _S_VERSION_ENG \
+        _S_VERSION_PATCH \
+        "."  __STRINGIFY2(S_VERSION_BUILD) " " \
+        S_VERSION_VARIANT
+
+#endif /* __S_VERSION_H__ */
diff --git a/security/tf_driver/tf_comm.c b/security/tf_driver/tf_comm.c
new file mode 100644
index 00000000000..16915beb406
--- /dev/null
+++ b/security/tf_driver/tf_comm.c
@@ -0,0 +1,1745 @@
+/**
+ * Copyright (c) 2011 Trusted Logic S.A.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/div64.h>
+#include <asm/system.h>
+#include <linux/version.h>
+#include <asm/cputype.h>
+#include <linux/interrupt.h>
+#include <linux/page-flags.h>
+#include <linux/pagemap.h>
+#include <linux/vmalloc.h>
+#include <linux/jiffies.h>
+#include <linux/freezer.h>
+
+#include "tf_defs.h"
+#include "tf_comm.h"
+#include "tf_protocol.h"
+#include "tf_util.h"
+#include "tf_conn.h"
+
+#ifdef CONFIG_TF_ZEBRA
+#include "tf_zebra.h"
+#endif
+
+/*---------------------------------------------------------------------------
+ * Internal Constants
+ *---------------------------------------------------------------------------*/
+
+/*
+ * shared memories descriptor constants
+ */
+#define DESCRIPTOR_B_MASK           (1 << 2)
+#define DESCRIPTOR_C_MASK           (1 << 3)
+#define DESCRIPTOR_S_MASK           (1 << 10)
+
+#define L1_COARSE_DESCRIPTOR_BASE         (0x00000001)
+#define L1_COARSE_DESCRIPTOR_ADDR_MASK    (0xFFFFFC00)
+#define L1_COARSE_DESCRIPTOR_V13_12_SHIFT (5)
+
+#define L2_PAGE_DESCRIPTOR_BASE              (0x00000003)
+#define L2_PAGE_DESCRIPTOR_AP_APX_READ       (0x220)
+#define L2_PAGE_DESCRIPTOR_AP_APX_READ_WRITE (0x30)
+
+#define L2_INIT_DESCRIPTOR_BASE           (0x00000003)
+#define L2_INIT_DESCRIPTOR_V13_12_SHIFT   (4)
+
+/*