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> |
||
|---|---|---|
| .. | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
| dart_6ul.c | ||
| spl.c | ||
README
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.