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Tool/software:
How to enable Falcon Boot Mode on J7200?
Boot Flow:
R5 SPL -> ATF -> OPTEE -> U-BOOT -> Kernel
Regards
Gokul
Hi Gokul,
Applying the below patch will enable the above mention boot flow on J7200 EVM:
From d6a5d1bf68991fb090e25318a43dffb5aeb1efed Mon Sep 17 00:00:00 2001
From: Gokul Praveen <g-praveen@ti.com>
Date: Wed, 30 Jul 2025 15:33:26 +0530
Subject: [PATCH] Enable Falcon Boot Mode for J7200 BOARD
Normal Boot Mode :
R5 SPL -> ATF -> OPTEE -> A72 SPL -> U-BOOT -> Kernel
Falcon Boot Mode :
R5 SPL -> ATF -> OPTEE -> -> U-BOOT -> Kernel
Signed-off-by: Gokul Praveen<g-praveen@ti.com>
---
arch/arm/dts/k3-binman.dtsi | 68 -------------------------
arch/arm/dts/k3-j7200-binman.dtsi | 84 +++++--------------------------
configs/j7200_evm_a72_defconfig | 1 +
3 files changed, 13 insertions(+), 140 deletions(-)
diff --git a/arch/arm/dts/k3-binman.dtsi b/arch/arm/dts/k3-binman.dtsi
index 621653e9..86ea563c 100644
--- a/arch/arm/dts/k3-binman.dtsi
+++ b/arch/arm/dts/k3-binman.dtsi
@@ -306,24 +306,6 @@
entry = <0x89000000>;
};
- spl {
- description = "SPL (64-bit)";
- type = "standalone";
- os = "U-Boot";
- arch = "arm64";
- compression = "none";
- load = <CONFIG_SPL_TEXT_BASE>;
- entry = <CONFIG_SPL_TEXT_BASE>;
- ti-secure {
- content = <&u_boot_spl_nodtb>;
- keyfile = "custMpk.pem";
-
- };
- u_boot_spl_nodtb: blob-ext {
- filename = "spl/u-boot-spl-nodtb.bin";
- };
- };
-
};
};
};
@@ -388,57 +370,7 @@
};
};
};
- u_boot_template: template-3 {
- filename = "u-boot.img";
- pad-byte = <0xff>;
-
- fit {
- description = "FIT image with multiple configurations";
-
- images {
- uboot {
- type = "firmware";
- os = "u-boot";
- arch = "arm";
- compression = "none";
- load = <CONFIG_TEXT_BASE>;
- ti-secure {
- content = <&u_boot_nodtb>;
- keyfile = "custMpk.pem";
- };
- u_boot_nodtb: u-boot-nodtb {
- };
- hash {
- algo = "crc32";
- };
- };
- };
- };
- };
- u_boot_unsigned_template: template-4 {
- filename = "u-boot.img_unsigned";
- pad-byte = <0xff>;
- fit {
- description = "FIT image with multiple configurations";
-
- images {
- uboot {
- type = "firmware";
- os = "u-boot";
- arch = "arm";
- compression = "none";
- load = <CONFIG_TEXT_BASE>;
- blob {
- filename = "u-boot-nodtb.bin";
- };
- hash {
- algo = "crc32";
- };
- };
- };
- };
- };
firewall_bg_1: template-5 {
control = <(FWCTRL_EN | FWCTRL_LOCK |
FWCTRL_BG | FWCTRL_CACHE)>;
diff --git a/arch/arm/dts/k3-j7200-binman.dtsi b/arch/arm/dts/k3-j7200-binman.dtsi
index a524b246..a8db9606 100644
--- a/arch/arm/dts/k3-j7200-binman.dtsi
+++ b/arch/arm/dts/k3-j7200-binman.dtsi
@@ -389,44 +389,22 @@
};
};
- fdt-0 {
- description = "k3-j7200-common-proc-board";
- type = "flat_dt";
+ uboot {
+ description = "U-Boot for J7200 Board";
+ type = "firmware";
+ os = "u-boot";
arch = "arm";
compression = "none";
+ load = <CONFIG_TEXT_BASE>;
ti-secure {
- content = <&spl_j7200_evm_dtb>;
+ content = <&u_boot_nodtb>;
keyfile = "custMpk.pem";
};
- spl_j7200_evm_dtb: blob-ext {
- filename = SPL_J7200_EVM_DTB;
+ u_boot_nodtb: u-boot-nodtb {
+ };
+ hash {
+ algo = "crc32";
};
- };
-
- };
-
- configurations {
- default = "conf-0";
-
- conf-0 {
- description = "k3-j7200-common-proc-board";
- firmware = "atf";
- loadables = "tee", "dm", "spl";
- fdt = "fdt-0";
- };
- };
- };
- };
-};
-
-&binman {
- u-boot {
- insert-template = <&u_boot_template>;
-
- fit {
- images {
- uboot {
- description = "U-Boot for J7200 Board";
};
fdt-0 {
@@ -452,11 +430,10 @@
conf-0 {
description = "k3-j7200-common-proc-board";
- firmware = "uboot";
- loadables = "uboot";
+ firmware = "atf";
+ loadables = "tee", "dm", "uboot";
fdt = "fdt-0";
};
-
};
};
};
@@ -499,41 +476,4 @@
};
};
-&binman {
- u-boot_unsigned {
- insert-template = <&u_boot_unsigned_template>;
-
- fit {
- images {
- uboot {
- description = "U-Boot for J7200 Board";
- };
-
- fdt-1 {
- description = "k3-j7200-common-proc-board";
- type = "flat_dt";
- arch = "arm";
- compression = "none";
- blob {
- filename = J7200_EVM_DTB;
- };
- hash {
- algo = "crc32";
- };
- };
- };
-
- configurations {
- default = "conf-1";
-
- conf-1 {
- description = "k3-j7200-common-proc-board";
- firmware = "uboot";
- loadables = "uboot";
- fdt = "fdt-1";
- };
- };
- };
- };
-};
#endif
diff --git a/configs/j7200_evm_a72_defconfig b/configs/j7200_evm_a72_defconfig
index 9a46983d..c05205b8 100644
--- a/configs/j7200_evm_a72_defconfig
+++ b/configs/j7200_evm_a72_defconfig
@@ -203,3 +203,4 @@ CONFIG_UFS=y
CONFIG_CADENCE_UFS=y
CONFIG_TI_J721E_UFS=y
CONFIG_TI_COMMON_CMD_OPTIONS=y
+CONFIG_TEXT_BASE=0x80080000
\ No newline at end of file
--
2.34.1
NOTE: The u-boot.img is not needed as tispl.bin itself has ATF,OPTEE and U-boot packaged in the fitImage.
Regards
Gokul