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board: dragonboard820c: use LINUX_KERNEL_IMAGE_HEADER

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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@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
This commit is contained in:
Caleb Connolly 2024-02-26 17:26:23 +00:00
parent 14868845db
commit 9d5e434eb2
No known key found for this signature in database
GPG Key ID: 7930459FB9303217
4 changed files with 1 additions and 145 deletions
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1
arch/arm/mach-snapdragon/Kconfig
View File

@ -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

1
board/qualcomm/dragonboard820c/Makefile
View File

@ -3,4 +3,3 @@
# (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@gmail.com>
obj-y := dragonboard820c.o
extra-y += head.o

33
board/qualcomm/dragonboard820c/head.S
View File

@ -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@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) */

111
board/qualcomm/dragonboard820c/u-boot.lds
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@ -1,111 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Override linker script for fastboot-readable images
*
* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@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*) }
}