* [PATCH] apple: Fix debug uart clock rate
@ 2022-02-05 23:14 Mark Kettenis
2022-02-06 4:04 ` Sean Anderson
0 siblings, 1 reply; 3+ messages in thread
From: Mark Kettenis @ 2022-02-05 23:14 UTC (permalink / raw)
To: u-boot; +Cc: trini, sjg, Mark Kettenis
The clock rate for the serial console on Apple M1 systems is 24 MHz
instead of 240 Hz.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
---
configs/apple_m1_defconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
index cb235e4e7d..71ffbc6ec4 100644
--- a/configs/apple_m1_defconfig
+++ b/configs/apple_m1_defconfig
@@ -2,7 +2,7 @@ CONFIG_ARM=y
CONFIG_ARCH_APPLE=y
CONFIG_DEFAULT_DEVICE_TREE="t8103-j274"
CONFIG_DEBUG_UART_BASE=0x235200000
-CONFIG_DEBUG_UART_CLOCK=240000
+CONFIG_DEBUG_UART_CLOCK=24000000
CONFIG_DEBUG_UART=y
CONFIG_SYS_LOAD_ADDR=0x880000000
CONFIG_USE_PREBOOT=y
--
2.34.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] apple: Fix debug uart clock rate
2022-02-05 23:14 [PATCH] apple: Fix debug uart clock rate Mark Kettenis
@ 2022-02-06 4:04 ` Sean Anderson
2022-02-06 12:22 ` Mark Kettenis
0 siblings, 1 reply; 3+ messages in thread
From: Sean Anderson @ 2022-02-06 4:04 UTC (permalink / raw)
To: Mark Kettenis, u-boot; +Cc: trini, sjg
On 2/5/22 6:14 PM, Mark Kettenis wrote:
> The clock rate for the serial console on Apple M1 systems is 24 MHz
> instead of 240 Hz.
nit: kHz?
>
> Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
> ---
> configs/apple_m1_defconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
> index cb235e4e7d..71ffbc6ec4 100644
> --- a/configs/apple_m1_defconfig
> +++ b/configs/apple_m1_defconfig
> @@ -2,7 +2,7 @@ CONFIG_ARM=y
> CONFIG_ARCH_APPLE=y
> CONFIG_DEFAULT_DEVICE_TREE="t8103-j274"
> CONFIG_DEBUG_UART_BASE=0x235200000
> -CONFIG_DEBUG_UART_CLOCK=240000
> +CONFIG_DEBUG_UART_CLOCK=24000000
> CONFIG_DEBUG_UART=y
> CONFIG_SYS_LOAD_ADDR=0x880000000
> CONFIG_USE_PREBOOT=y
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] apple: Fix debug uart clock rate
2022-02-06 4:04 ` Sean Anderson
@ 2022-02-06 12:22 ` Mark Kettenis
0 siblings, 0 replies; 3+ messages in thread
From: Mark Kettenis @ 2022-02-06 12:22 UTC (permalink / raw)
To: Sean Anderson; +Cc: kettenis, u-boot, trini, sjg
> From: Sean Anderson <seanga2@gmail.com>
> Date: Sat, 5 Feb 2022 23:04:07 -0500
>
> On 2/5/22 6:14 PM, Mark Kettenis wrote:
> > The clock rate for the serial console on Apple M1 systems is 24 MHz
> > instead of 240 Hz.
>
> nit: kHz?
Ah yes. Brain slightly misfired when writing that commit message.
Thanks! I've sent a v2 with that fixed. And also fixed Simon's email
address on the CC.
> > Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
> > ---
> > configs/apple_m1_defconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
> > index cb235e4e7d..71ffbc6ec4 100644
> > --- a/configs/apple_m1_defconfig
> > +++ b/configs/apple_m1_defconfig
> > @@ -2,7 +2,7 @@ CONFIG_ARM=y
> > CONFIG_ARCH_APPLE=y
> > CONFIG_DEFAULT_DEVICE_TREE="t8103-j274"
> > CONFIG_DEBUG_UART_BASE=0x235200000
> > -CONFIG_DEBUG_UART_CLOCK=240000
> > +CONFIG_DEBUG_UART_CLOCK=24000000
> > CONFIG_DEBUG_UART=y
> > CONFIG_SYS_LOAD_ADDR=0x880000000
> > CONFIG_USE_PREBOOT=y
> >
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-02-06 12:23 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-02-05 23:14 [PATCH] apple: Fix debug uart clock rate Mark Kettenis
2022-02-06 4:04 ` Sean Anderson
2022-02-06 12:22 ` Mark Kettenis
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