Re: Need advise with u-boot on SH-7785LCR

2023-11-06 Thread Marek Vasut
On 11/6/23 21:42, Simon Glass wrote: +Marek Vasut +Vagrant Cascadian On Mon, 6 Nov 2023 at 10:33, John Paul Adrian Glaubitz < glaub...@physik.fu-berlin.de> wrote: Hi Simon! On Mon, 2023-11-06 at 10:24 -0700, Simon Glass wrote: So, I assume, I should just be able to write u-boot.bin to /d

Re: Need advise with u-boot on SH-7785LCR

2023-11-06 Thread Simon Glass
+Marek Vasut +Vagrant Cascadian On Mon, 6 Nov 2023 at 10:33, John Paul Adrian Glaubitz < glaub...@physik.fu-berlin.de> wrote: > Hi Simon! > > On Mon, 2023-11-06 at 10:24 -0700, Simon Glass wrote: > > > So, I assume, I should just be able to write u-boot.bin to > /dev/mtdblock0? > > > > Maybe,

Re: Need advise with u-boot on SH-7785LCR

2023-11-06 Thread John Paul Adrian Glaubitz
Hi Simon! On Mon, 2023-11-06 at 10:24 -0700, Simon Glass wrote: > > So, I assume, I should just be able to write u-boot.bin to /dev/mtdblock0? > > Maybe, but you will likely brick the device if you have no other way > to write to flash. The flash memory is actually on a daughter board that can b

Re: Need advise with u-boot on SH-7785LCR

2023-11-06 Thread Simon Glass
Hi John, On Mon, 6 Nov 2023 at 15:00, John Paul Adrian Glaubitz wrote: > > Hi Simon, > > On Sun, 2023-11-05 at 16:29 +, Simon Glass wrote: > > No, sorry I don't have any idea about that. You could check the > > MAINTAINERS files in U-Boot and Linux for other people, perhaps, or > > check comm

Re: Need advise with u-boot on SH-7785LCR

2023-11-06 Thread John Paul Adrian Glaubitz
Hi Simon, On Sun, 2023-11-05 at 16:29 +, Simon Glass wrote: > No, sorry I don't have any idea about that. You could check the > MAINTAINERS files in U-Boot and Linux for other people, perhaps, or > check commit / blame logs? It seems that the flash memory is mapped to block devices by the ker

Re: Need advise with u-boot on SH-7785LCR

2023-11-05 Thread Simon Glass
Hi John, On Sun, 5 Nov 2023 at 09:37, John Paul Adrian Glaubitz wrote: > > Hi Simon, > > On Sat, 2023-11-04 at 19:42 +, Simon Glass wrote: > > Is it possible to check if it reaches the kernel? E.g. with > > earlyprintk ? It would be good to know if U-Boot managers to jump to > > Linux, or not

Re: Need advise with u-boot on SH-7785LCR

2023-11-05 Thread John Paul Adrian Glaubitz
Hi Simon, On Sat, 2023-11-04 at 19:42 +, Simon Glass wrote: > Is it possible to check if it reaches the kernel? E.g. with > earlyprintk ? It would be good to know if U-Boot managers to jump to > Linux, or not. Thanks, this is actually a very good idea. In fact, we recently restored earlyprint

Re: Need advise with u-boot on SH-7785LCR

2023-11-04 Thread Simon Glass
Hi John, On Sat, 4 Nov 2023 at 13:59, John Paul Adrian Glaubitz wrote: > > Hello! > > I am Debian's maintainer for the SuperH (sh4) port as well as one of the > upstream > maintainers of SuperH support in the kernel. I own various SuperH boards with > one > of them being the Renesas SH-7785LCR

Need advise with u-boot on SH-7785LCR

2023-11-04 Thread John Paul Adrian Glaubitz
Hello! I am Debian's maintainer for the SuperH (sh4) port as well as one of the upstream maintainers of SuperH support in the kernel. I own various SuperH boards with one of them being the Renesas SH-7785LCR board which used to be supported by u-boot up to including v2019.01. My board is curren