Messages in this thread | | | Date | Thu, 30 Jul 2020 19:05:53 -0700 | From | Nathan Chancellor <> | Subject | Re: [PATCH v2] clk: bcm2835: Do not use prediv with bcm2711's PLLs |
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On Thu, Jul 30, 2020 at 08:26:19PM +0200, Nicolas Saenz Julienne wrote: > Contrary to previous SoCs, bcm2711 doesn't have a prescaler in the PLL > feedback loop. Bypass it by zeroing fb_prediv_mask when running on > bcm2711. > > Note that, since the prediv configuration bits were re-purposed, this > was triggering miscalculations on all clocks hanging from the VPU clock, > notably the aux UART, making its output unintelligible. > > Fixes: 42de9ad400af ("clk: bcm2835: Add BCM2711_CLOCK_EMMC2 support") > Reported-by: Nathan Chancellor <natechancellor@gmail.com> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
I updated to the latest version of the firmware (668419cb9876474053574b2b1dc20ca996e14cc8) and my serial console works :) thank you for the quick fix!
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
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