jetson-tk1: Add PSCI configuration options and reserve secure code

The secure world code is relocated to the MB just below the top of 4G, we reserve it in the FDT (by setting CONFIG_ARMV7_SECURE_RESERVE_SIZE) but it is not protected in h/w. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Tested-by: Ian Campbell <ijc@hellion.org.uk> Signed-off-by: Tom Warren <twarren@nvidia.com>

jetson-tk1: Add PSCI configuration options and reserve secure code
The secure world code is relocated to the MB just below the top of 4G, we reserve it in the FDT (by setting CONFIG_ARMV7_SECURE_RESERVE_SIZE) but it is not protected in h/w. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Tested-by: Ian Campbell <ijc@hellion.org.uk> Signed-off-by: Tom Warren <twarren@nvidia.com>
Ian Campbell · Tom Warren
1 parent a8f2d01967
Showing 2 changed files with 7 additions and 0 deletions Side-by-side Diff
arch/arm/mach-tegra/tegra124/Kconfig
include/configs/jetson-tk1.h
@@ -6,6 +6,8 @@
  
 config TARGET_JETSON_TK1
 	bool "NVIDIA Tegra124 Jetson TK1 board"
+	select CPU_V7_HAS_NONSEC if !SPL_BUILD
+	select CPU_V7_HAS_VIRT if !SPL_BUILD
  
 config TARGET_NYAN_BIG
 	bool "Google/NVIDIA Nyan-big Chrombook"
@@ -79,5 +79,10 @@
 #include "tegra-common-usb-gadget.h"
 #include "tegra-common-post.h"
  
+#define CONFIG_ARMV7_PSCI			1
+/* Reserve top 1M for secure RAM */
+#define CONFIG_ARMV7_SECURE_BASE		0xfff00000
+#define CONFIG_ARMV7_SECURE_RESERVE_SIZE	0x00100000
+
 #endif /* __CONFIG_H */
...	...	@@ -6,6 +6,8 @@
6	6
7	7	config TARGET_JETSON_TK1
8	8	bool "NVIDIA Tegra124 Jetson TK1 board"
	9	+ select CPU_V7_HAS_NONSEC if !SPL_BUILD
	10	+ select CPU_V7_HAS_VIRT if !SPL_BUILD
9	11
10	12	config TARGET_NYAN_BIG
11	13	bool "Google/NVIDIA Nyan-big Chrombook"
...	...	@@ -79,5 +79,10 @@
79	79	#include "tegra-common-usb-gadget.h"
80	80	#include "tegra-common-post.h"
81	81
	82	+#define CONFIG_ARMV7_PSCI 1
	83	+/* Reserve top 1M for secure RAM */
	84	+#define CONFIG_ARMV7_SECURE_BASE 0xfff00000
	85	+#define CONFIG_ARMV7_SECURE_RESERVE_SIZE 0x00100000
	86	+
82	87	#endif /* __CONFIG_H */