diff mbox series

[1/1] arm/trusted-firmware-a: Re-enable BL31 console by default

Message ID 20250930154758.2465614-1-michael.safwat@arm.com
State New
Headers show
Series [1/1] arm/trusted-firmware-a: Re-enable BL31 console by default | expand

Commit Message

Michael Safwat Sept. 30, 2025, 3:47 p.m. UTC 
Backport Trusted Firmware-A patch to re-enable the BL31
console during early boot.

Signed-off-by: Michael Safwat <michael.safwat@arm.com>
---
 ...re-enable-console-by-default-in-BL31.patch | 46 +++++++++++++++++++
 .../trusted-firmware-a_2.13.0.bb              |  4 ++
 2 files changed, 50 insertions(+)
 create mode 100644 meta-arm/recipes-bsp/trusted-firmware-a/files/0001-fix-arm-re-enable-console-by-default-in-BL31.patch

Comments

Jon Mason Oct. 3, 2025, 2:51 a.m. UTC | #1 
On Tue, 30 Sep 2025 16:47:57 +0100, Michael Safwat wrote:
> Backport Trusted Firmware-A patch to re-enable the BL31
> console during early boot.
> 
> 

Applied, thanks!

[1/1] arm/trusted-firmware-a: Re-enable BL31 console by default
      commit: 18cc301460be85f24d34019a878cf70627c97ed1

Best regards,
diff mbox series

Patch

diff --git a/meta-arm/recipes-bsp/trusted-firmware-a/files/0001-fix-arm-re-enable-console-by-default-in-BL31.patch b/meta-arm/recipes-bsp/trusted-firmware-a/files/0001-fix-arm-re-enable-console-by-default-in-BL31.patch
new file mode 100644
index 00000000..f5b8d538
--- /dev/null
+++ b/meta-arm/recipes-bsp/trusted-firmware-a/files/0001-fix-arm-re-enable-console-by-default-in-BL31.patch
@@ -0,0 +1,46 @@ 
+From de4640579c5318ba08ec57531ef87d63f5574557 Mon Sep 17 00:00:00 2001
+From: Chris Kay <chris.kay@arm.com>
+Date: Thu, 21 Aug 2025 14:16:25 +0100
+Subject: [PATCH] fix(arm): re-enable console by default in BL31
+
+In c997a8d, the common `arm_bl31_early_platform_setup` function
+underwent a consolidation of two large preprocessor branches that were
+conditional on whether or not Transfer List support is enabled.
+
+This function would initialise the console via `arm_console_boot_init`
+*only* if Transfer List support was disabled. During the consolidation,
+this call was removed, such that the behaviour was the same for both
+branches.
+
+However, the common `bl31_early_platform_setup2` implementation was not
+updated to reflect this change, and so platforms that a) relied on this
+common implementation and b) did not enable Transfer List support no
+longer initialise the console in BL31.
+
+This change ensures that the common implementation correctly initialises
+the console during early BL31 boot.
+
+Change-Id: I332af3932ac70382fbf7a5434c0008807f38f86c
+Signed-off-by: Chris Kay <chris.kay@arm.com>
+Upstream-Status: Backport [de4640579c5318ba08ec57531ef87d63f5574557]
+---
+ plat/arm/common/arm_bl31_setup.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/plat/arm/common/arm_bl31_setup.c b/plat/arm/common/arm_bl31_setup.c
+index 8ac984fd1..e7dc70bdb 100644
+--- a/plat/arm/common/arm_bl31_setup.c
++++ b/plat/arm/common/arm_bl31_setup.c
+@@ -343,6 +343,9 @@ void __init arm_bl31_early_platform_setup(u_register_t arg0, u_register_t arg1,
+ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+ 		u_register_t arg2, u_register_t arg3)
+ {
++	/* Initialize the console to provide early debug support */
++	arm_console_boot_init();
++
+ 	arm_bl31_early_platform_setup(arg0, arg1, arg2, arg3);
+ 
+ 	/*
+-- 
+2.43.0
+
diff --git a/meta-arm/recipes-bsp/trusted-firmware-a/trusted-firmware-a_2.13.0.bb b/meta-arm/recipes-bsp/trusted-firmware-a/trusted-firmware-a_2.13.0.bb
index 5c99446e..3de30bca 100644
--- a/meta-arm/recipes-bsp/trusted-firmware-a/trusted-firmware-a_2.13.0.bb
+++ b/meta-arm/recipes-bsp/trusted-firmware-a/trusted-firmware-a_2.13.0.bb
@@ -13,3 +13,7 @@  SRC_URI_MBEDTLS = "git://github.com/ARMmbed/mbedtls.git;name=mbedtls;protocol=ht
 SRCREV_mbedtls = "22098d41c6620ce07cf8a0134d37302355e1e5ef"
 
 LIC_FILES_CHKSUM_MBEDTLS = "file://mbedtls/LICENSE;md5=379d5819937a6c2f1ef1630d341e026d"
+
+SRC_URI += "\
+    file://0001-fix-arm-re-enable-console-by-default-in-BL31.patch \
+"