mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-01 15:53:46 +09:00
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>
35 lines
971 B
ArmAsm
35 lines
971 B
ArmAsm
/*
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* ARM64 header for proper chain-loading with Little Kernel.
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*
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* Little Kernel shipped with Dragonboard820C boots standard Linux images for
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* ARM64. This file adds header that is required to boot U-Boot properly.
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*
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* For details see:
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* https://www.kernel.org/doc/Documentation/arm64/booting.txt
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*
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* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <config.h>
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/*
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* per document in linux/Doc/arm64/booting.text
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*/
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.global _arm64_header
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_arm64_header:
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b _start
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.word 0
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.quad CONFIG_SYS_TEXT_BASE-PHYS_SDRAM_1 /* Image load offset, LE */
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.quad 0 /* Effective size of kernel image, little-endian */
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.quad 0 /* kernel flags, little-endian */
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.quad 0 /* reserved */
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.quad 0 /* reserved */
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.quad 0 /* reserved */
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.byte 0x41 /* Magic number, "ARM\x64" */
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.byte 0x52
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.byte 0x4d
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.byte 0x64
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.word 0 /* reserved (used for PE COFF offset) */
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