[PATCH v3 25/29] arm64: ls1046a: Support semihosting fallback

[Sean Anderson]

Use the semihosting_enabled function to determine whether or not to
enable semihosting devices. This allows for graceful fallback in the
event a debugger is not attached.

Signed-off-by: Sean Anderson <sean.anderson at seco.com>
---

(no changes since v2)

Changes in v2:
- New

 arch/arm/cpu/armv8/fsl-layerscape/spl.c | 3 ++-
 board/freescale/ls1046ardb/ls1046ardb.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
index 1a7dde30a5..5f09ef0a4a 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
@@ -12,6 +12,7 @@
 #include <image.h>
 #include <init.h>
 #include <log.h>
+#include <semihosting.h>
 #include <spl.h>
 #include <asm/cache.h>
 #include <asm/global_data.h>
@@ -27,7 +28,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 u32 spl_boot_device(void)
 {
-	if (IS_ENABLED(CONFIG_SPL_SEMIHOSTING))
+	if (semihosting_enabled())
 		return BOOT_DEVICE_SMH;
 #ifdef CONFIG_SPL_MMC
 	return BOOT_DEVICE_MMC1;
diff --git a/board/freescale/ls1046ardb/ls1046ardb.c b/board/freescale/ls1046ardb/ls1046ardb.c
index 9af7cf763b..f2949cf8b6 100644
--- a/board/freescale/ls1046ardb/ls1046ardb.c
+++ b/board/freescale/ls1046ardb/ls1046ardb.c
@@ -32,7 +32,8 @@ DECLARE_GLOBAL_DATA_PTR;
 struct serial_device *default_serial_console(void)
 {
 #if IS_ENABLED(CONFIG_SEMIHOSTING_SERIAL)
-	return &serial_smh_device;
+	if (semihosting_enabled())
+		return &serial_smh_device;
 #endif
 	return &eserial1_device;
 }
-- 
2.25.1