On 8/19/21 12:19 PM, Michal Simek wrote:
Hi Michal,
DTBs for 64bit systems should be also 64bit aligned.
What does "align" mean here, exactly? This is about generating .dtb
*files*, right? dtc makes sure that the internal structures are properly
aligned, so what else should be aligned here?
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
arch/arm/dts/Makefile | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 537c96bf5b35..8d4fc333ea7a 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1,5 +1,9 @@
# SPDX-License-Identifier: GPL-2.0+
+ifdef CONFIG_PHYS_64BIT
+DTC_FLAGS += -a 0x8
By looking into the dtc source this looks like to make sure the *size*
of the DTB is 8-byte aligned, is that the intention here, or even
useful? If it is, it should apply unconditionally, not only to 64-bit
systems.
Cheers,
Andre
+endif
+
dtb-$(CONFIG_TARGET_SMARTWEB) += at91sam9260-smartweb.dtb
dtb-$(CONFIG_TARGET_TAURUS) += at91sam9g20-taurus.dtb
dtb-$(CONFIG_TARGET_CORVUS) += at91sam9g45-corvus.dtb
