Hi Alexander, On Sun, Apr 23, 2017 at 07:37:41PM +0200, Alexander Kurz wrote: > The Kindle Model No. D01100 (Kindle Wi-Fi), D01200 (Kindle Touch) > and EY21 (Kindle Paperwhite) are refered as the Kindle 4th and 5th generation. > Those models are based on an i.MX50 SoC and use LPDDR1 or LPDDR2 Memory. > > The devices boot in internal boot mode from a build-in eMMC, alternatively > some devices may be set into USB-downloader mode by pressing a specific key > at startup. > > Add support for the i.MX50 based Kindle device and make barebox a drop-in > replacement for the factory shipped u-boot image. > > Notable features: > - Support for eMMC, USB, UART, I2C, SPI and Keys (except keyboard). > - LPDDR1 and LPDDR2 setup is done via DCD, the same imximage may be used > for USB-startup and for installation. > - Support for vendor specific ATAGs that are required for the Kindle-System. > - usbserial barebox console access by pressing Select button at startup, > alternatively full console support on connector J14. > > Signed-off-by: Alexander Kurz <akurz@xxxxxxxx> > diff --git a/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/autoboot_timeout b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/autoboot_timeout > new file mode 100644 > index 0000000..00750ed > --- /dev/null > +++ b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/autoboot_timeout > @@ -0,0 +1 @@ > +3 > diff --git a/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/boot.default b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/boot.default > new file mode 100644 > index 0000000..3118b7a > --- /dev/null > +++ b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/boot.default > @@ -0,0 +1 @@ > +mmc_kernel > diff --git a/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/linux.bootargs.console b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/linux.bootargs.console > new file mode 100644 > index 0000000..d775310 > --- /dev/null > +++ b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/linux.bootargs.console > @@ -0,0 +1 @@ > +console=ttymxc0,115200 This shouldn't be needed. barebox will automatically add console=ttymxc0,115200 to the kernel command line when this UART is used as console in barebox. > diff --git a/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/linux.bootargs.consoleblank b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/linux.bootargs.consoleblank > new file mode 100644 > index 0000000..573541a > --- /dev/null > +++ b/arch/arm/boards/kindle-mx50/defaultenv-kindle-mx50/nv/linux.bootargs.consoleblank > @@ -0,0 +1 @@ > +0 This results in "0" being passed to the kernel command line. You probably want to have "consoleblank=0", right? I applied the series with these two things fixed. Is that ok for you? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
