tegra132: Add secmon support

BUG=chrome-os-partner:30785
BRANCH=None
TEST=Compiles successfully and secmon loads and jumps to payload successfully.

Change-Id: I929cf2c938fb5d8c20e13fbd1fdbd349378914ff
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 2e5d6adc63c4d820417985e34f1f04810b38422b
Original-Change-Id: I442546178ad945e7639a99dd2943d13a69b06d09
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214372
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9081
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

3 files changed, 55 insertions, 0 deletions

diff --git a/src/soc/nvidia/tegra132/Kconfig b/src/soc/nvidia/tegra132/Kconfig
index 022c77cb2f..24bf8649a0 100644
--- a/src/soc/nvidia/tegra132/Kconfig
+++ b/src/soc/nvidia/tegra132/Kconfig
@@ -15,6 +15,7 @@ config SOC_NVIDIA_TEGRA132
 	select ARM_BOOTBLOCK_CUSTOM
 	select DYNAMIC_CBMEM
 	select SMP
+	select ARCH_USE_SECURE_MONITOR
 
 if SOC_NVIDIA_TEGRA132
 
diff --git a/src/soc/nvidia/tegra132/Makefile.inc b/src/soc/nvidia/tegra132/Makefile.inc
index 261e570f73..9c6809d7e3 100644
--- a/src/soc/nvidia/tegra132/Makefile.inc
+++ b/src/soc/nvidia/tegra132/Makefile.inc
@@ -73,6 +73,10 @@ ramstage-y += spintable.S
 ramstage-y += mmu_operations.c
 ramstage-$(CONFIG_DRIVERS_UART) += uart.c
 ramstage-y += ../tegra/usb.c
+ramstage-$(CONFIG_ARCH_USE_SECURE_MONITOR) += secmon.c
+
+secmon-$(CONFIG_ARCH_USE_SECURE_MONITOR) += cpu_lib.S
+secmon-$(CONFIG_ARCH_USE_SECURE_MONITOR) += uart.c
 
 modules_arm-y += monotonic_timer.c
 VBOOT_STUB_DEPS += $(obj)/soc/nvidia/tegra132/monotonic_timer.rmodules_arm.o
diff --git a/src/soc/nvidia/tegra132/secmon.c b/src/soc/nvidia/tegra132/secmon.c
new file mode 100644
index 0000000000..0a5ec7f113
--- /dev/null
+++ b/src/soc/nvidia/tegra132/secmon.c
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 <arch/secmon.h>
+#include <console/console.h>
+#include "mmu_operations.h"
+#include <soc/addressmap.h>
+
+static void soc_get_secure_mem(uint64_t *base, size_t *size)
+{
+	uintptr_t tz_base_mib;
+	size_t tz_size_mib;
+
+	carveout_range(CARVEOUT_TZ, &tz_base_mib, &tz_size_mib);
+
+	tz_base_mib *= MiB;
+	tz_size_mib *= MiB;
+
+	*base = tz_base_mib;
+	*size = tz_size_mib;
+}
+
+void soc_get_secmon_base_size(uint64_t *base, size_t *size)
+{
+	uintptr_t tz_base;
+	size_t ttb_size, tz_size;
+
+	soc_get_secure_mem(&tz_base, &tz_size);
+
+	ttb_size = TTB_SIZE * MiB;
+
+	*base = tz_base + ttb_size;
+	*size = tz_size - ttb_size;
+}