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Rockchip RK356x supports up to 8 GiB DRAM, however U-Boot only includes the initial 32-bit 0-4 GiB addressable range in its memory map, something that matches gd->ram_top and current expected memory available for use in U-Boot. The vendor DRAM init blobs add following ddr_mem rk atags [1]: 4 GiB: [0x0, 0xf0000000) and [0x1f0000000, 0x200000000) 8 GiB: [0x0, 0x200000000) Add the remaining 64-bit 4-8 GiB addressable range, that already is reported to OS, to the U-Boot memory map to more correctly describe all available and addressable DRAM of RK356x. While at it also add the missing UL suffix to the PCIe address range for consistency. [1] https://gist.github.com/Kwiboo/6d983693c79365b43c330eb3191cbace Acked-by: Quentin Schulz <quentin.schulz@cherry.de> Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>