Messages in this thread | | | Subject | Re: [PATCH] ARM: bcm2835_defconfig: add minimal support for Raspberry Pi4 | From | Stefan Wahren <> | Date | Thu, 13 Feb 2020 10:59:46 +0100 |
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Hi Marek,
On 13.02.20 08:35, Marek Szyprowski wrote: > Hi Nicolas > > On 12.02.2020 19:31, Nicolas Saenz Julienne wrote: >> Hi Marek, >> On Wed, 2020-02-12 at 11:20 +0100, Marek Szyprowski wrote: >>> Add drivers for the minimal set of devices needed to boot Raspberry Pi4 >>> board. >>> >>> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> >> Just so you know, the amount of support on the RPi4 you might be able to get >> updating bcm2835_defconfig's config is very limited. Only 1GB of ram and no >> PCIe (so no USBs). > Yes, I know. A lots of core features is missing: SMP, HIGHMEM, LPAE, PCI > and so on, but having a possibility to boot RPi4 with this defconfig > increases the test coverage.
in case you want to increase test coverage, we better enable all Raspberry Pi 4 relevant hardware parts (hwrng, thermal, PCI ...). This is what we did for older Pi boards.
SMP, HIGHMEM, LPAE are different and shouldn't be enabled in bcm2835_defconfig from my PoV.
Best regards Stefan
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