RE: [PATCH] ARM: bcm2835: override the HW UART periphid

2013-05-21 Thread Jongsung Kim
Stephen Warren : > Looking at the TRM, it seems this is really the only change, according > to the changelog in the documentation (although it's a little difficult > to tell since the document seems to have a bunch of changes that presumably > don't affect behaviour). So, faking the periphid seems

Re: [PATCH] ARM: bcm2835: override the HW UART periphid

2013-05-21 Thread Stephen Warren
On 05/21/2013 10:34 AM, Stephen Warren wrote: > On 05/21/2013 12:02 AM, Jongsung Kim wrote: >> Stephen Warren reported the recent commit 78506f2 (add support for >> extended FIFO-size of PL011-r1p5) breaks the serial port on the >> BCM2835 ARM SoC. >> >> A UART compatible with the ARM PL011-r1p5 sh

Re: [PATCH] ARM: bcm2835: override the HW UART periphid

2013-05-21 Thread Stephen Warren
On 05/21/2013 12:02 AM, Jongsung Kim wrote: > Stephen Warren reported the recent commit 78506f2 (add support for > extended FIFO-size of PL011-r1p5) breaks the serial port on the > BCM2835 ARM SoC. > > A UART compatible with the ARM PL011-r1p5 should have 32-deep FIFOs. > The BCM2835 UART just loo

Re: [PATCH] ARM: bcm2835: override the HW UART periphid

2013-05-21 Thread Gordon Hollingworth
Have checked with the designer of the UART block and he confirmed that the 2835 PL011 contains a 16 deep fifo not 32 deep... Hardware guys, they can never just leave it alone!!! Gordon On 21 May 2013 07:07, Jongsung Kim wrote: > Jongsung Kim : >> diff --git a/arch/arm/boot/dts/bcm2835.dtsi > b

RE: [PATCH] ARM: bcm2835: override the HW UART periphid

2013-05-20 Thread Jongsung Kim
Jongsung Kim : > diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi > index f0052dc..1e12aef 100644 > --- a/arch/arm/boot/dts/bcm2835.dtsi > +++ b/arch/arm/boot/dts/bcm2835.dtsi > @@ -44,6 +44,7 @@ > reg = <0x7e201000 0x1000>; >