[U-Boot] [PATCH 0/9] Support 4GB of memory on 32bit systems

Tom Rini trini at konsulko.com
Sat Aug 11 01:44:42 UTC 2018


On Thu, Jul 26, 2018 at 03:59:42PM +0200, Philipp Tomsich wrote:

> Even on 32bit systems a full 4GB of DRAM may be installed and reported
> by the DRAM controller.  Whether these 4GB are larger available
> depends on the size/configuration of address decoding windows and
> architectural features.
> 
> This increases the fields holding the RAM size to have at least 33bits
> (i.e. we use a u64) and fixes the fallout from the change: some casts,
> the usage of min() and a few printf formats have to be adjusted.
> 
> 
> Philipp Tomsich (9):
>   dm: allow 4GB of DRAM on 32bit systems
>   rockchip: support 4GB DRAM on 32bit systems
>   common: include <inttypes.h> always
>   MIPS: use PRIx64 macros for printing ram size
>   rockchip: rk3368: change type of ram-size field for a
>     min()-calculation
>   ram: stm32mp1: use PRIx64 macros for printing ram size
>   board: keymile: add explicit cast to truncate the 64bit ram size field
>   board: cm_fx6: use PRIx64 macros for printing ram size
>   mpc85xx: add casts for ram size in min() calculation.
> 
>  arch/arm/include/asm/arch-rockchip/sdram_common.h | 2 +-
>  arch/arm/mach-rockchip/sdram_common.c             | 8 ++++----
>  arch/arm/mach-stm32mp/dram_init.c                 | 2 +-
>  arch/mips/mach-bmips/dram.c                       | 2 +-
>  arch/powerpc/cpu/mpc85xx/cpu.c                    | 6 ++++--
>  board/compulab/cm_fx6/cm_fx6.c                    | 3 ++-
>  board/keymile/km_arm/km_arm.c                     | 6 ++++--
>  drivers/ram/rockchip/dmc-rk3368.c                 | 2 +-
>  drivers/ram/stm32mp1/stm32mp1_ram.c               | 2 +-
>  include/asm-generic/global_data.h                 | 2 +-
>  include/common.h                                  | 1 +
>  include/ram.h                                     | 9 ++++++++-
>  12 files changed, 29 insertions(+), 16 deletions(-)

Please rework this on top of
https://patchwork.ozlabs.org/user/todo/uboot/?series=59452 thanks!

-- 
Tom
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