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u-boot-krane/include/configs/librem5-devkit.h
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Guido GüntherandFabio Estevam 765ec2edd9 board: purism: Add support for the Librem5 devkit
Although it has similar naming the Librem 5 Devkit is a completely
different design from the Librem 5 phone. It uses an imx8mq SOM from
Emcraft, a separate HDMI port instead of DisplayPort, different USB-C
chip, panel, etc.

This is based on a Emcraft's SOM documentation, Purism's downstream fork
and the available schematics of the devkit.

Link: https://developer.puri.sm/Librem5/Development_Environment/Boards/imx8.html
Link: https://source.puri.sm/Librem5/dvk-mx8m-bsb
Co-authored-by: Angus Ainslie <angus@akkea.ca>
Co-authored-by: Manuel Traut <manut@mecka.net>
Signed-off-by: Manuel Traut <manut@mecka.net>
Tested-by: Manuel Traut <manut@mecka.net>
Signed-off-by: Guido Günther <agx@sigxcpu.org>
[fabio: Removed the  arch/arm/dts/Makefile  entry that does not apply and
it is not needed as the board uses OF_UPSTREAM]
Signed-off-by: Fabio Estevam <festevam@gmail.com>
2026-07-27 11:15:42 -03:00

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C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2017 NXP
* 2018 Emcraft Systems
* 2022 Purism
* 2026 Phosh.mobi e.V.
*/
#ifndef __LIBREM5_DEVKIT_H
#define __LIBREM5_DEVKIT_H
/* #define DEBUG */
#include <version.h>
#include <linux/sizes.h>
#include <asm/arch/imx-regs.h>
#define CFG_SYS_FSL_USDHC_NUM 2
/* UART */
#define CFG_MXC_UART_BASE UART1_BASE_ADDR
/* Link Definitions */
#define CFG_SYS_INIT_RAM_ADDR 0x40000000
#define CFG_SYS_INIT_RAM_SIZE 0x80000
#define CFG_SYS_SDRAM_BASE 0x40000000
#define PHYS_SDRAM 0x40000000
#define PHYS_SDRAM_SIZE 0xc0000000 /* 3GB LPDDR4 one Rank */
/* Monitor Command Prompt */
#define CFG_SYS_FSL_ESDHC_ADDR 0
#endif