From mboxrd@z Thu Jan 1 00:00:00 1970 From: robin.murphy@arm.com (Robin Murphy) Date: Wed, 4 Oct 2017 15:02:59 +0100 Subject: defconfig'ed v4.13 does not boot on ThunderX In-Reply-To: <20171004134414.GF23092@leverpostej> References: <135495b6-e13e-5c90-6130-addb60d0fa5c@riken.jp> <20171004134414.GF23092@leverpostej> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 04/10/17 14:44, Mark Rutland wrote: > On Wed, Oct 04, 2017 at 02:38:58PM +0100, Robin Murphy wrote: >> On 04/10/17 08:25, Itaru Kitayama wrote: >>> Hi, >>> >>> defconfig'ed kernel v4.13 does not boot on ThunderX, leaving only >>> messages below: >>> >>> EFI stub: Booting Linux Kernel... >>> EFI stub: Using DTB from configuration table >>> EFI stub: Exiting boot services and installing virtual address map... >>> >>> Our HW is by GIGABYTE, the model is R150 T62 rev 100: >>> >>> http://b2b.gigabyte.com/ARM-Server/R150-T62-rev-100#ov >>> >>> The BIOS we're on is T43. Has anyone testing upstream kernels seen a >>> similar issue like this? >> >> FWIW defconfig does *not* enable most of the ThunderX drivers (most >> importantly, PCI and networking will be missing). > > .... it's a bit worrying if earlycon doesn't work without those, though. > It shouldn't be dependendent on either. :/ Well, my earlycon was fine too, but that was an a different board with different firmware, so who knows... >> I've just built the v4.13 tag with the appropriate drivers added and >> booted it on a different ThunderX box - the net core throws some >> warnings from __dev_xdp_attached() but it gets to userspace OK for me. > > Given these seem to exist out in the field, we should probably enable > those drivers in defconfig. True, I think the below ought to suffice - arm-soc take defconfig patches now, right? Robin. ----->8----- From: Robin Murphy Subject: [PATCH] arm64: Add ThunderX drivers to defconfig ThunderX needs its PCI host drivers to do anything useful, and it's probably helpful to have networking by default too. Signed-off-by: Robin Murphy --- arch/arm64/configs/defconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 34480e9af2e7..1c8e0d77deee 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -76,6 +76,8 @@ CONFIG_PCIE_RCAR=y CONFIG_PCIE_ROCKCHIP=m CONFIG_PCI_HOST_GENERIC=y CONFIG_PCI_XGENE=y +CONFIG_PCI_HOST_THUNDER_PEM=y +CONFIG_PCI_HOST_THUNDER_ECAM=y CONFIG_ARM64_VA_BITS_48=y CONFIG_SCHED_MC=y CONFIG_NUMA=y @@ -188,6 +190,7 @@ CONFIG_VIRTIO_NET=y CONFIG_AMD_XGBE=y CONFIG_NET_XGENE=y CONFIG_MACB=y +CONFIG_THUNDER_NIC_PF=y CONFIG_HNS_DSAF=y CONFIG_HNS_ENET=y CONFIG_E1000E=y -- 2.13.4.dirty