On 06/09/2019 13.58, Matthias Brugger wrote: > > On 06/09/2019 14:11, Alexander Graf wrote: >> On 06.09.19 13:56, matthias....@kernel.org wrote: >>> From: Matthias Brugger <mbrug...@suse.com> >>> >>> When booting through the efi stub, the memory map get's created by >>> reading the dram bank information. Depending on the version of the RPi4 >>> this information changes. Read the device tree to initialize the dram >>> bank data structure. This way the kernel is able to access the whole >>> range of available memory. >>> >>> Signed-off-by: Matthias Brugger <mbrug...@suse.com> >>> --- >>> This patch is based on basic RPi4 support implemented by series: >>> https://www.mail-archive.com/u-boot@lists.denx.de/msg335667.html >>> >>> To actually work correctly we need the series that fixes the libftd: >>> https://patchwork.ozlabs.org/cover/1158304/ >>> >>> board/raspberrypi/rpi/rpi.c | 8 ++++++++ >>> configs/rpi_4_defconfig | 2 +- >>> 2 files changed, 9 insertions(+), 1 deletion(-) >>> >>> diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c >>> index fa57d50c95..eea8a69551 100644 >>> --- a/board/raspberrypi/rpi/rpi.c >>> +++ b/board/raspberrypi/rpi/rpi.c >>> @@ -312,6 +312,14 @@ int dram_init(void) >>> return 0; >>> } >>> +#ifdef CONFIG_BCM2711 >>> +int dram_init_banksize(void) >>> +{ >>> + return fdtdec_decode_ram_size(gd->fdt_blob, NULL, 0, NULL, >> >> This also depends on CONFIG_OF_BOARD, no? >> > I would need to double check if at this point gd->fdt_blob is in it's final > state or might get updated afterwards. > > Actually I think we should change all RPi configs to OF_BOARD, which would > also > be necessary to implement a single binary for RPi3 and RPi4. But that's > another > story. Looks good to me.
-- Andrei Gherzan Head Of Devices | balena.io gpg: rsa4096/D4D94F67AD0E9640 | t: @agherzan _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot