ARM: tegra: add PRAM Kconfig option

Wrap CFG_PRAM with Kconfig option.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>

arch/arm/mach-tegra/Kconfig

@@ -198,6 +198,20 @@ source "arch/arm/mach-tegra/tegra124/Kconfig"
 source "arch/arm/mach-tegra/tegra210/Kconfig"
 source "arch/arm/mach-tegra/tegra186/Kconfig"
 
+config TEGRA_PRAM
+	select TEGRA_SUPPORT_NON_SECURE if TEGRA114 || TEGRA124
+	bool "Support reservation of the protected RAM"
+	help
+	  This option indicates the presence of a region of protected RAM.
+
+config TEGRA_PRAM_SIZE
+	hex "Size of pRAM region"
+	depends on TEGRA_PRAM
+	default 0x1000
+	help
+	  Size in kB of carevout which will be reserved as protected RAM starting
+	  from the top of the RAM.
+
 config TEGRA_SPI
 	def_bool y
 	depends on TEGRA20_SFLASH || TEGRA20_SLINK || TEGRA114_SPI

include/configs/tegra.h

@@ -29,6 +29,10 @@
 #include "tegra210-common.h"
 #endif
 
+#ifdef CONFIG_TEGRA_PRAM
+  #define CFG_PRAM CONFIG_TEGRA_PRAM_SIZE
+#endif
+
 #include "tegra-common-post.h"
 
 #endif /* __CONFIG_H */