[U-Boot] [PATCH v2 7/9] tegra124: Implement spl_was_boot_source()

[Simon Glass]

Add an implementation of this function for Tegra.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v2:
- Rename constant to UBOOT_NOT_LOADED_FROM_SPL

 arch/arm/mach-tegra/board.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/mach-tegra/board.c b/arch/arm/mach-tegra/board.c
index 222de6a..a880a87 100644
--- a/arch/arm/mach-tegra/board.c
+++ b/arch/arm/mach-tegra/board.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <spl.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
@@ -29,6 +30,21 @@ enum {
 	UART_COUNT = 5,
 };
 
+static bool from_spl __attribute__ ((section(".data")));
+
+#ifndef CONFIG_SPL_BUILD
+void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3)
+{
+	from_spl = r0 != UBOOT_NOT_LOADED_FROM_SPL;
+	save_boot_params_ret();
+}
+#endif
+
+bool spl_was_boot_source(void)
+{
+	return from_spl;
+}
+
 #if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE)
 #if !defined(CONFIG_TEGRA124)
 #error tegra_cpu_is_non_secure has only been validated on Tegra124
-- 
2.2.0.rc0.207.ga3a616c