From: Nick Desaulniers <ndesaulniers@google.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Arnd Bergmann <arnd@arndb.de>,
Michal Simek <michal.simek@xilinx.com>,
LKML <linux-kernel@vger.kernel.org>,
clang-built-linux <clang-built-linux@googlegroups.com>,
Paul Mackerras <paulus@samba.org>,
Nathan Chancellor <natechancellor@gmail.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH v5 01/13] powerpc: Remove Xilinx PPC405/PPC440 support
Date: Wed, 17 Jun 2020 11:16:42 -0700 [thread overview]
Message-ID: <CAKwvOdnkcjLGay0jdQ77kHTmKhE56F9jvzh01XWwEE8rjbhLAA@mail.gmail.com> (raw)
In-Reply-To: <878sgmdmcv.fsf@mpe.ellerman.id.au>
On Wed, Jun 17, 2020 at 3:20 AM Michael Ellerman <mpe@ellerman.id.au> wrote:
>
> Michael Ellerman <mpe@ellerman.id.au> writes:
> > Michal Simek <michal.simek@xilinx.com> writes:
> <snip>
>
> >> Or if bamboo requires uImage to be built by default you can do it via
> >> Kconfig.
> >>
> >> diff --git a/arch/powerpc/platforms/44x/Kconfig
> >> b/arch/powerpc/platforms/44x/Kconfig
> >> index 39e93d23fb38..300864d7b8c9 100644
> >> --- a/arch/powerpc/platforms/44x/Kconfig
> >> +++ b/arch/powerpc/platforms/44x/Kconfig
> >> @@ -13,6 +13,7 @@ config BAMBOO
> >> select PPC44x_SIMPLE
> >> select 440EP
> >> select FORCE_PCI
> >> + select DEFAULT_UIMAGE
> >> help
> >> This option enables support for the IBM PPC440EP evaluation board.
> >
> > Who knows what the actual bamboo board used. But I'd be happy to take a
> > SOB'ed patch to do the above, because these days the qemu emulation is
> > much more likely to be used than the actual board.
>
> I just went to see why my CI boot of 44x didn't catch this, and it's
> because I don't use the uImage, I just boot the vmlinux directly:
>
> $ qemu-system-ppc -M bamboo -m 128m -display none -kernel build~/vmlinux -append "console=ttyS0" -display none -nodefaults -serial mon:stdio
> Linux version 5.8.0-rc1-00118-g69119673bd50 (michael@alpine1-p1) (gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #4 Wed Jun 17 20:19:22 AEST 2020
> Using PowerPC 44x Platform machine description
> ioremap() called early from find_legacy_serial_ports+0x690/0x770. Use early_ioremap() instead
> printk: bootconsole [udbg0] enabled
>
>
> So that's probably the simplest solution?
If the uImage or zImage self decompresses, I would prefer to test that as well.
> That means previously arch/powerpc/boot/zImage was just a hardlink to
> the uImage:
It sounds like we can just boot the zImage, or is that no longer
created with the uImage?
--
Thanks,
~Nick Desaulniers
next prev parent reply other threads:[~2020-06-17 18:18 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 16:55 [PATCH v5 00/13] Modernise powerpc 40x Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 01/13] powerpc: Remove Xilinx PPC405/PPC440 support Christophe Leroy
2020-06-16 0:27 ` Nathan Chancellor
2020-06-16 14:45 ` Michal Simek
2020-06-16 18:16 ` Nathan Chancellor
2020-06-17 7:56 ` Michal Simek
2020-06-17 10:16 ` Michael Ellerman
2020-06-17 10:21 ` Michael Ellerman
2020-06-17 18:16 ` Nick Desaulniers [this message]
2020-06-18 0:48 ` Michael Ellerman
2020-06-18 3:16 ` Nathan Chancellor
2020-06-18 23:33 ` Nick Desaulniers
2020-06-19 11:02 ` Michael Ellerman
2020-06-25 8:39 ` Joel Stanley
2020-06-17 11:02 ` Michal Simek
2020-05-21 16:55 ` [PATCH v5 02/13] powerpc/40x: Rework 40x PTE access and TLB miss Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 03/13] powerpc/pgtable: Drop PTE_ATOMIC_UPDATES Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 04/13] powerpc/40x: Remove support for IBM 403GCX Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 05/13] powerpc/40x: Remove STB03xxx Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 06/13] powerpc/40x: Remove WALNUT Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 07/13] powerpc/40x: Remove EP405 Christophe Leroy
2020-05-21 16:55 ` [PATCH v5 08/13] powerpc/40x: Remove support for ISS Simulator Christophe Leroy
2020-05-21 16:56 ` [PATCH v5 09/13] powerpc/40x: Remove support for IBM 405GP Christophe Leroy
2020-05-21 16:56 ` [PATCH v5 10/13] powerpc/40x: Remove IBM405 Erratum #51 Christophe Leroy
2020-05-21 16:56 ` [PATCH v5 11/13] powerpc: Remove IBM405 Erratum #77 Christophe Leroy
2020-05-21 16:56 ` [PATCH v5 12/13] powerpc/40x: Avoid using r12 in TLB miss handlers Christophe Leroy
2020-05-21 16:56 ` [PATCH v5 13/13] powerpc/40x: Don't save CR in SPRN_SPRG_SCRATCH6 Christophe Leroy
2020-06-09 5:28 ` [PATCH v5 00/13] Modernise powerpc 40x Michael Ellerman
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