[PATCH v2 01/10] tools: k3_fit_atf: Add support for providing ATF load address using a Kconfig symbol

[Aswath Govindraju]

Add support for providing ATF load address with a Kconfig symbol.

Signed-off-by: Aswath Govindraju <a-govindraju at ti.com>
---
 arch/arm/mach-k3/Kconfig   | 7 +++++++
 arch/arm/mach-k3/config.mk | 1 +
 tools/k3_fit_atf.sh        | 9 ++++++---
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index bfbce44bfa59..21b2fc2230d4 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -147,6 +147,13 @@ config SYS_K3_SPL_ATF
 	  Enabling this will try to start Cortex-A (typically with ATF)
 	  after SPL from R5.
 
+config K3_ATF_LOAD_ADDR
+	hex "Load address of ATF image"
+	default 0x70000000
+	help
+	  The load address for the ATF image. This value defaults to 0x70000000
+	  if not provided in the board defconfig file.
+
 source "board/ti/am65x/Kconfig"
 source "board/ti/am64x/Kconfig"
 source "board/ti/j721e/Kconfig"
diff --git a/arch/arm/mach-k3/config.mk b/arch/arm/mach-k3/config.mk
index 41fee2b5a172..674489068204 100644
--- a/arch/arm/mach-k3/config.mk
+++ b/arch/arm/mach-k3/config.mk
@@ -67,6 +67,7 @@ endif
 quiet_cmd_k3_mkits = MKITS   $@
 cmd_k3_mkits = \
 	$(srctree)/tools/k3_fit_atf.sh \
+	$(CONFIG_K3_ATF_LOAD_ADDR) \
 	$(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(LIST_OF_DTB))) > $@
 
 $(SPL_ITS): FORCE
diff --git a/tools/k3_fit_atf.sh b/tools/k3_fit_atf.sh
index 4e9f69c08789..2c0287a63394 100755
--- a/tools/k3_fit_atf.sh
+++ b/tools/k3_fit_atf.sh
@@ -5,7 +5,7 @@
 # ATF, OPTEE, SPL and multiple device trees (given on the command line).
 # Inspired from board/sunxi/mksunxi_fit_atf.sh
 #
-# usage: $0 <dt_name> [<dt_name> [<dt_name] ...]
+# usage: $0 <atf_load_addr> <dt_name> [<dt_name> [<dt_name] ...]
 
 [ -z "$ATF" ] && ATF="bl31.bin"
 
@@ -40,8 +40,8 @@ cat << __HEADER_EOF
 			arch = "arm64";
 			compression = "none";
 			os = "arm-trusted-firmware";
-			load = <0x70000000>;
-			entry = <0x70000000>;
+			load = <$1>;
+			entry = <$1>;
 		};
 		tee {
 			description = "OPTEE";
@@ -65,6 +65,9 @@ cat << __HEADER_EOF
 		};
 __HEADER_EOF
 
+# shift through ATF load address in the command line arguments
+shift
+
 for dtname in $*
 do
 	cat << __FDT_IMAGE_EOF
-- 
2.17.1