[U-Boot] [PATCH V2] arm: novena: Switch novena to config_distro_bootcmd
Marek Vasut
marex at denx.de
Wed Nov 25 00:31:02 CET 2015
On Monday, November 23, 2015 at 09:02:36 PM, Vagrant Cascadian wrote:
> On 2015-11-10, Marek Vasut wrote:
> > Switch Novena to distro bootcmd, so it can be used with debian easily.
> >
> > diff --git a/include/configs/novena.h b/include/configs/novena.h
> > index 718989f..3bb406d 100644
> > --- a/include/configs/novena.h
> > +++ b/include/configs/novena.h
> > @@ -58,7 +59,7 @@
> >
> > /* Booting Linux */
> > #define CONFIG_BOOTFILE "fitImage"
> > #define CONFIG_BOOTARGS "console=ttymxc1,115200 "
> >
> > -#define CONFIG_BOOTCOMMAND "run net_nfs"
> > +#define CONFIG_BOOTCOMMAND "run distro_bootcmd ; run
net_nfs"
> >
> > #define CONFIG_HOSTNAME novena
> >
> > /* Physical Memory Map */
>
> ...
>
> > @@ -199,6 +201,10 @@
> >
> > "rootdev=/dev/mmcblk0p2\0" \
> > "netdev=eth0\0" \
> > "kernel_addr_r="__stringify(CONFIG_LOADADDR)"\0" \
> >
> > + "pxefile_addr_r="__stringify(CONFIG_LOADADDR)"\0" \
> > + "scriptaddr="__stringify(CONFIG_LOADADDR)"\0" \
> > + "ramdisk_addr_r=0x28000000\0" \
> > + "fdt_addr_r=0x10000000\0" \
> >
> > "addcons=" \
> >
> > "setenv bootargs ${bootargs} " \
> > "console=${consdev},${baudrate}\0" \
>
> "fdtfile=imx6q-novena.dtb" should be added above, maybe after fdt_addr_r.
Added, thanks.
> The use of CONFIG_BOOTARGS and "run addcons" appear to be redundant, or
> at least overlapping. Other boards simply set "console=ttymxc0,115200"
> or appropriate, which would be a bit simpler.
Should be ttymxc1. The idea is that addcons let's you configure console using
the consdev and baudrate (which specifies the UART baudrate in u-boot too),
so if you change the baudrate in U-Boot, it is automatically updated in Linux
too.
Best regards,
Marek Vasut
More information about the U-Boot
mailing list