[PATCH v4 19/39] board: dragonboard820c: use LINUX_KERNEL_IMAGE_HEADER
Caleb Connolly
caleb.connolly at linaro.org
Thu Feb 15 21:52:37 CET 2024
db820c predated support for prepending the kernel image header
automatically, drop it's custom linker script and head.S in favour of
this generic support.
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
---
arch/arm/mach-snapdragon/Kconfig | 1 +
board/qualcomm/dragonboard820c/Makefile | 1 -
board/qualcomm/dragonboard820c/head.S | 33 ---------
board/qualcomm/dragonboard820c/u-boot.lds | 111 ------------------------------
4 files changed, 1 insertion(+), 145 deletions(-)
diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig
index ad6671081910..f897c393464f 100644
--- a/arch/arm/mach-snapdragon/Kconfig
+++ b/arch/arm/mach-snapdragon/Kconfig
@@ -45,6 +45,7 @@ config TARGET_DRAGONBOARD410C
config TARGET_DRAGONBOARD820C
bool "96Boards Dragonboard 820C"
+ select LINUX_KERNEL_IMAGE_HEADER
imply CLK_QCOM_APQ8096
imply PINCTRL_QCOM_APQ8096
imply BUTTON_QCOM_PMIC
diff --git a/board/qualcomm/dragonboard820c/Makefile b/board/qualcomm/dragonboard820c/Makefile
index 643311f5b3ba..2ae6d16364aa 100644
--- a/board/qualcomm/dragonboard820c/Makefile
+++ b/board/qualcomm/dragonboard820c/Makefile
@@ -3,4 +3,3 @@
# (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz at gmail.com>
obj-y := dragonboard820c.o
-extra-y += head.o
diff --git a/board/qualcomm/dragonboard820c/head.S b/board/qualcomm/dragonboard820c/head.S
deleted file mode 100644
index b052a858fd32..000000000000
--- a/board/qualcomm/dragonboard820c/head.S
+++ /dev/null
@@ -1,33 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * ARM64 header for proper chain-loading with Little Kernel.
- *
- * Little Kernel shipped with Dragonboard820C boots standard Linux images for
- * ARM64. This file adds header that is required to boot U-Boot properly.
- *
- * For details see:
- * https://www.kernel.org/doc/Documentation/arm64/booting.txt
- *
- * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski at gmail.com>
- */
-
-#include <config.h>
-
-/*
- * per document in linux/Doc/arm64/booting.text
- */
-.global _arm64_header
-_arm64_header:
- b _start
- .word 0
- .quad CONFIG_TEXT_BASE-PHYS_SDRAM_1 /* Image load offset, LE */
- .quad 0 /* Effective size of kernel image, little-endian */
- .quad 0 /* kernel flags, little-endian */
- .quad 0 /* reserved */
- .quad 0 /* reserved */
- .quad 0 /* reserved */
- .byte 0x41 /* Magic number, "ARM\x64" */
- .byte 0x52
- .byte 0x4d
- .byte 0x64
- .word 0 /* reserved (used for PE COFF offset) */
diff --git a/board/qualcomm/dragonboard820c/u-boot.lds b/board/qualcomm/dragonboard820c/u-boot.lds
deleted file mode 100644
index 5251b59fbe76..000000000000
--- a/board/qualcomm/dragonboard820c/u-boot.lds
+++ /dev/null
@@ -1,111 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Override linker script for fastboot-readable images
- *
- * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski at gmail.com>
- *
- * Based on arch/arm/cpu/armv8/u-boot.lds (Just add header)
- */
-
-OUTPUT_FORMAT("elf64-littleaarch64", "elf64-littleaarch64", "elf64-littleaarch64")
-OUTPUT_ARCH(aarch64)
-ENTRY(_arm64_header)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(8);
- .text :
- {
- *(.__image_copy_start)
- board/qualcomm/dragonboard820c/head.o (.text*)
- CPUDIR/start.o (.text*)
- }
-
- /* This needs to come before *(.text*) */
- .efi_runtime : {
- __efi_runtime_start = .;
- *(.text.efi_runtime*)
- *(.rodata.efi_runtime*)
- *(.data.efi_runtime*)
- __efi_runtime_stop = .;
- }
-
- .text_rest :
- {
- *(.text*)
- }
-
- . = ALIGN(8);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(8);
- .data : {
- *(.data*)
- }
-
- . = ALIGN(8);
-
- . = .;
-
- . = ALIGN(8);
- __u_boot_list : {
- KEEP(*(SORT(__u_boot_list*)));
- }
-
- . = ALIGN(8);
-
- .efi_runtime_rel : {
- __efi_runtime_rel_start = .;
- *(.rel*.efi_runtime)
- *(.rel*.efi_runtime.*)
- __efi_runtime_rel_stop = .;
- }
-
- . = ALIGN(8);
-
- .image_copy_end :
- {
- *(.__image_copy_end)
- }
-
- . = ALIGN(8);
-
- .rel_dyn_start :
- {
- *(.__rel_dyn_start)
- }
-
- .rela.dyn : {
- *(.rela*)
- }
-
- .rel_dyn_end :
- {
- *(.__rel_dyn_end)
- }
-
- _end = .;
-
- . = ALIGN(8);
-
- .bss_start : {
- KEEP(*(.__bss_start));
- }
-
- .bss : {
- *(.bss*)
- . = ALIGN(8);
- }
-
- .bss_end : {
- KEEP(*(.__bss_end));
- }
-
- /DISCARD/ : { *(.dynsym) }
- /DISCARD/ : { *(.dynstr*) }
- /DISCARD/ : { *(.dynamic*) }
- /DISCARD/ : { *(.plt*) }
- /DISCARD/ : { *(.interp*) }
- /DISCARD/ : { *(.gnu*) }
-}
--
2.43.1
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