leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
9de1712d16
u-boot/board/advantech/imx8qm_rom7720_a1
History
Masahiro Yamada b75d8dc564 treewide: convert bd_t to struct bd_info by coccinelle 
The Linux coding style guide (Documentation/process/coding-style.rst)
clearly says:

  It's a **mistake** to use typedef for structures and pointers.

Besides, using typedef for structures is annoying when you try to make
headers self-contained.

Let's say you have the following function declaration in a header:

  void foo(bd_t *bd);

This is not self-contained since bd_t is not defined.

To tell the compiler what 'bd_t' is, you need to include <asm/u-boot.h>

  #include <asm/u-boot.h>
  void foo(bd_t *bd);

Then, the include direcective pulls in more bloat needlessly.

If you use 'struct bd_info' instead, it is enough to put a forward
declaration as follows:

  struct bd_info;
  void foo(struct bd_info *bd);

Right, typedef'ing bd_t is a mistake.

I used coccinelle to generate this commit.

The semantic patch that makes this change is as follows:

  <smpl>
  @@
  typedef bd_t;
  @@
  -bd_t
  +struct bd_info
  </smpl>

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-07-17 09:30:13 -04:00
..
imx8qm_rom7720_a1.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
imximage.cfg imx: support i.MX8QM ROM 7720 a1 board 2019-11-03 21:18:00 +01:00
Kconfig imx: support i.MX8QM ROM 7720 a1 board 2019-11-03 21:18:00 +01:00
MAINTAINERS imx: support i.MX8QM ROM 7720 a1 board 2019-11-03 21:18:00 +01:00
Makefile imx: support i.MX8QM ROM 7720 a1 board 2019-11-03 21:18:00 +01:00
README imx: imx8qm_rom7720_a1: update README 2020-06-22 17:43:59 +02:00
spl.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00

README 

U-Boot for the NXP i.MX8QM ROM 7720a1 board

Quick Start
===========

- Build the ARM Trusted firmware binary
- Get scfw_tcm.bin and ahab-container.img
- Get imx-mkimage
- Build U-Boot
- Build imx-mkimage
- Flash the binary into the SD card
- Boot

Get and Build the ARM Trusted firmware
======================================

$ git clone https://source.codeaurora.org/external/imx/imx-atf
$ cd imx-atf/
$ git checkout origin/imx_4.14.78_1.0.0_ga -b imx_4.14.78_1.0.0_ga
$ make PLAT=imx8qm bl31

Get scfw_tcm.bin and ahab-container.img
==============================

$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/imx-sc-firmware-1.1.bin
$ chmod +x imx-sc-firmware-1.1.bin
$ ./imx-sc-firmware-1.1.bin
$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
$ chmod +x firmware-imx-8.0.bin
$ ./firmware-imx-8.0.bin

Or use this to avoid running random scripts from the internet,
but note that you must agree to the license the script displays:

$ dd if=imx-sc-firmware-1.1.bin of=imx-sc-firmware-1.1.tar.bz2 bs=37185 skip=1
$ tar -xf imx-sc-firmware-1.1.tar.bz2
$ cp imx-sc-firmware-1.1/mx8qm-val-scfw-tcm.bin $(builddir)

$ dd if=firmware-imx-8.0.bin of=firmware-imx-8.0.tar.bz2 bs=37180 skip=1
$ tar -xf firmware-imx-8.0.tar.bz2
$ cp firmware-imx-8.0/firmware/seco/mx8qm-ahab-container.img $(builddir)

Build U-Boot
============

$ export ATF_LOAD_ADDR=0x80000000
$ export BL33_LOAD_ADDR=0x80020000
$ make imx8qm_rom7720_a1_4G_defconfig
$ make u-boot.bin
$ make flash.bin

Flash the binary into the SD card
=================================

Burn the flash.bin binary to SD card offset 32KB:

$ sudo dd if=flash.bin of=/dev/sd[x] bs=1k seek=32 conv=fsync

Boot
====
Set Boot switch SW2: 1100.