Hi Trevor, 

On Mon, Dec 13, 2021 at 05:37:32PM -0500, Trevor Woerner wrote:
> On Fri 2021-12-10 @ 11:15:56 AM, Trevor Woerner via lists.yoctoproject.org 
> wrote:
> > On Fri 2021-12-10 @ 03:50:19 PM, Quentin Schulz wrote:
> > > Hi Trevor,
> > > 
> > > On Fri, Dec 10, 2021 at 09:43:39AM -0500, Trevor Woerner wrote:
> > > > On Thu 2021-11-11 @ 06:00:02 PM, Quentin Schulz wrote:
> > > > > Not all Rockchip boards have their console running at 1500000 baud in
> > > > > U-Boot and the kernel. Such is the case for puma-haikou RK3399-based
> > > > > SoM+Carrierboard.
> > > > > 
> > > > > In order to prepare for the addition of puma-haikou to meta-rockchip,
> > > > > let's replace the baudrate in TF-A by the one defined in the machine
> > > > > conf file in the RK_CONSOLE_BAUD variable.
> > > > > 
> > > > > Cc: Quentin Schulz <[email protected]>
> > > > > Signed-off-by: Quentin Schulz <[email protected]>
> > > > > ---
> > > > >  .../files/serial-console-baudrate.patch       | 36 
> > > > > -------------------
> > > > >  .../trusted-firmware-a_%.bbappend             |  7 +++-
> > > > >  2 files changed, 6 insertions(+), 37 deletions(-)
> > > > >  delete mode 100644 
> > > > > recipes-bsp/trusted-firmware-a/files/serial-console-baudrate.patch
> > > > > 
> > > > > diff --git 
> > > > > a/recipes-bsp/trusted-firmware-a/files/serial-console-baudrate.patch 
> > > > > b/recipes-bsp/trusted-firmware-a/files/serial-console-baudrate.patch
> > > > > deleted file mode 100644
> > > > > index 2d6e9bf..0000000
> > > > > --- 
> > > > > a/recipes-bsp/trusted-firmware-a/files/serial-console-baudrate.patch
> > > > > +++ /dev/null
> > > > > @@ -1,36 +0,0 @@
> > > > > -From 840d6b6420e1fd8cdf6e4de7fa58a6f8de151622 Mon Sep 17 00:00:00 
> > > > > 2001
> > > > > -From: Yann Dirson <[email protected]>
> > > > > -Date: Tue, 6 Apr 2021 17:28:45 +0200
> > > > > -Subject: [PATCH] Set serial console baudrate back to 1500000.
> > > > > -Upstream-Status: Inappropriate[other]
> > > > > -
> > > > > -TF-A runs between two u-boot stages which both uses 1500000 baud, it
> > > > > -just makes no sense to use the same UART at a different rate.
> > > > > -
> > > > > -This effectively reverts part of 
> > > > > 0c05748bdebfad9fa43a80962186438bb8fbce62.
> > > > > -Main reason for that change stated in 
> > > > > https://urldefense.proofpoint.com/v2/url?u=https-3A__developer.trustedfirmware.org_T762&d=DwIBaQ&c=_sEr5x9kUWhuk4_nFwjJtA&r=LYjLexDn7rXIzVmkNPvw5ymA1XTSqHGq8yBP6m6qZZ4njZguQhZhkI_-172IIy1t&m=TULURVxAXuoOr1qm-lWPJ4RyXC82jen1-RFqhySvz2ZLazQ8DA84GQ7T4MccEcQp&s=7WhFJXuPJAZq8RxczqF3HrMD5JqRZdJ8MyMU9iEnq44&e=
> > > > >  
> > > > > -is ChromeOS compatibility.
> > > > > -
> > > > > -Looks like this patch may become unnecessary in the future, when
> > > > > -u-boot and TF-A get to communicate this value.
> > > > > -
> > > > > ----
> > > > > - plat/rockchip/rk3399/rk3399_def.h | 2 +-
> > > > > - 1 file changed, 1 insertion(+), 1 deletion(-)
> > > > > -
> > > > > -diff --git a/plat/rockchip/rk3399/rk3399_def.h 
> > > > > b/plat/rockchip/rk3399/rk3399_def.h
> > > > > -index ba83242eb..8d6ecfbe6 100644
> > > > > ---- a/plat/rockchip/rk3399/rk3399_def.h
> > > > > -+++ b/plat/rockchip/rk3399/rk3399_def.h
> > > > > -@@ -17,7 +17,7 @@
> > > > > - 
> > > > > /**************************************************************************
> > > > > -  * UART related constants
> > > > > -  
> > > > > **************************************************************************/
> > > > > --#define RK3399_BAUDRATE                     115200
> > > > > -+#define RK3399_BAUDRATE                     1500000
> > > > > - #define RK3399_UART_CLOCK           24000000
> > > > > - 
> > > > > - 
> > > > > /******************************************************************************
> > > > > --- 
> > > > > -2.30.2
> > > > > -
> > > > > diff --git 
> > > > > a/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend 
> > > > > b/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
> > > > > index f7777a7..0d06c44 100644
> > > > > --- a/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
> > > > > +++ b/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
> > > > > @@ -7,9 +7,14 @@ COMPATIBLE_MACHINE:append:rk3328 = "|rk3328"
> > > > >  
> > > > >  FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
> > > > >  SRC_URI += "\
> > > > > -    file://serial-console-baudrate.patch \
> > > > >      file://0001-Fix-build-with-gcc-11.patch \
> > > > >      file://0001-dram-Fix-build-with-gcc-11.patch \
> > > > >      
> > > > > file://0001-plat_macros.S-Use-compatible-.asciz-asm-directive.patch \
> > > > >      
> > > > > file://0001-pmu-Do-not-mark-already-defined-functions-as-weak.patch \
> > > > >  "
> > > > > +
> > > > > +fixup_rk3399_baudrate() {
> > > > > +     sed -i "s/#define RK3399_BAUDRATE                       
> > > > > 115200/#define RK3399_BAUDRATE ${RK_CONSOLE_BAUD}/" 
> > > > > ${S}/plat/rockchip/rk3399/rk3399_def.h
> > > > > +}
> > > > 
> > > > This looks fragile to me, any change in the number of spaces/tabs and 
> > > > this
> > > > line will stop working. Thankfully the symbol RK3399_BAUDRATE only 
> > > > appears
> > > > once in this file! That will allow us to do something like the following
> > > > instead:
> > > > 
> > > >         sed '/RK3399_BAUDRATE.*/RK3399_BAUDRATE ${RK_CONSOLE_BAUD}/d'
> > > > 
> > > 
> > > Would
> > > sed -i "s/#define RK3399_BAUDRATE\s\+.*/#define RK3399_BAUDRATE plep/" 
> > > ${S}/plat/rockchip/rk3399/rk3399_def.h
> > > 
> > > work for you?
> > > This makes sure that only RK3399_BAUDRATE definition will be changed, no
> > > comment, no RK3399_BAUDRATE_OTHER_VAR or RK3399_BAUDRATE being used in
> > > code/other constant in this file.
> > 
> > Sounds good.
> 
> Am I correct in thinking a v2 is coming (or did it get swallowed up by my mail
> client)?
> 
> Otherwise, I can just fixup your v2 and apply it if you wish?
> 

Yes, sorry just sent it :)

Cheers,
Quentin
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