On Tue, Dec 18, 2018 at 09:39:19AM +0100, Rouven Czerwinski wrote: > On Tue, 2018-12-18 at 08:21 +0100, Sascha Hauer wrote: > > On Mon, Dec 17, 2018 at 09:10:40AM +0100, Rouven Czerwinski wrote: > > > The miniuart uses the core clock as the clock source. This clock is > > > fixed by the > > > firmware to 250Mhz if enable_uart=1 is set in the config.txt file. > > > However a user could still choose to overclock the core frequency, > > > which would result in wrong baudrates computed by barebox. > > > Retrieve the core clock frequency from the firmware to allow all > > > potential > > > firmware configurations to work with barebox. > > > > > > Signed-off-by: Rouven Czerwinski <r.czerwinski@xxxxxxxxxxxxxx> > > > --- > > > arch/arm/boards/raspberry-pi/rpi-common.c | 7 +++++++ > > > 1 file changed, 7 insertions(+) > > > > > > diff --git a/arch/arm/boards/raspberry-pi/rpi-common.c > > > b/arch/arm/boards/raspberry-pi/rpi-common.c > > > index 490aeef..e29177d 100644 > > > --- a/arch/arm/boards/raspberry-pi/rpi-common.c > > > +++ b/arch/arm/boards/raspberry-pi/rpi-common.c > > > @@ -309,6 +309,13 @@ static int rpi_console_clock_init(void) > > > clkdev_add_physbase(clk, 0x20201000, NULL); > > > clkdev_add_physbase(clk, 0x3f201000, NULL); > > > > > > + clk = > > > rpi_register_firmware_clock(BCM2835_MBOX_CLOCK_ID_CORE, > > > + "uart1-8250"); > > > > We don't have this function anywhere in the tree, this breaks > > compilation. > Yes the base on my series was wrong, its missing a cleanup patch. > > Do you want a single patch or shall I post a new series which > incorporates the suggestions from Roland and you? Please resend the whole series. 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
