mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-26 14:40:41 +00:00
4b684a6b82
This commit adds support for 96Boards Dragonboard820C. The board is based on APQ8086 Qualcomm Soc, complying with the 96Boards specification. Features - 4x Kyro CPU (64 bit) up to 2.15GHz - USB2.0 - USB3.0 - ISP - Qualcomm Hexagon DSP - SD 3.0 (UHS-I) - UFS 2.0 - Qualcomm Adreno 530 GPU - GPS - BT 4.2 - Wi-Fi 2.4GHz, 5GHz (802.11ac) - PCIe 2.0 - MIPI-CSI, MIPI-DSI - I2S U-Boot boots chained from LK (LK implements the fastboot protocol) in 64-bit mode. For detailed build instructions see readme.txt in the board directory. Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
34 lines
971 B
ArmAsm
34 lines
971 B
ArmAsm
/*
|
|
* 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>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
/*
|
|
* per document in linux/Doc/arm64/booting.text
|
|
*/
|
|
.global _arm64_header
|
|
_arm64_header:
|
|
b _start
|
|
.word 0
|
|
.quad CONFIG_SYS_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) */
|