Re: netbsd-9, boot, EFI and device tree

[tlaronde%polynum.com@localhost]

On Sun, Apr 25, 2021 at 06:42:19PM +0200, Manuel Bouyer wrote:
> 
> My problem is that I need a custom device tree (activate SPI2, more
> devices on I2C2, and so on). For this I found that there is a
> fdtfile variable in u-boot, that contains a dts file name which will
> be loaded from /dts/ on the FAT. So this part is solved.
> 
> The second issue (but not for this project) is that I need some
> kernel command line parameters (console=xxx, root=yyy for example).
> With u-boot loading netbsd.ub, I can set this in an u-boot variable.
> But I don't know how to do this with the EFI second-stage boot loader.

Setting via U-Boot the environment variable "bootargs" should do it. (I
looked at the finger---the armv7 code---and not at the moon: the common
efiboot code. The env is read.)
-- 
        Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
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