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https://github.com/AsahiLinux/u-boot
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b75d8dc564
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> |
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dart_6ul.c | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
README | ||
spl.c |
How to use U-Boot on variscite DART-6UL Evaluation Kit ------------------------------------------------------ - Configure and build U-Boot for DART-6UL iMX6ULL: $ make mrproper $ make variscite_dart6ul_defconfig $ make This will generate SPL and u-boot-dtb.img images. Boot from MMC/SD: - The SPL and u-boot-dtb.img images need to be flashed into the micro SD card: $ sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync - Boot mode settings: Boot switch position: SW1 -> 0 SW2 -> 0 Boot from eMMC: - if bootpart is not enabled by default, to enable under Linux echo 0 >/sys/block/mmcblk1boot0/force_ro mmc bootpart enable 1 1 /dev/mmcblk1boot0 - Flash the SPL and u-boot-dtb.img to mmcblk1boot0 $ sudo dd if=SPL of=/dev/mmcblk1boot0 bs=1k seek=1; sync $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk1boot0 bs=1k seek=69; sync - Boot mode settings: Boot switch position: SW1 -> 0 SW2 -> 1 - Connect the Serial cable to UART0 and the PC for the console. - Insert the micro SD card in the board and power it up. - U-Boot messages should come up.