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Framebuffer access consumes a lot of SDRAM bandwidth. Moving it to AXI SRAM should be a big improvement as it's around 8x faster (2x clock speed, 4x bus width). Also take advantage of explicitly assigning sections to the special :NONE segment, which means they will not appear in any ELF program header and thus aren't visible to the bootloader. They can then overlap areas used by the bootloader -- by the time they're written, the bootloader will be long gone -- making it easier to make efficient use of SRAM. Change-Id: I2392fd23b17472cc08dc5fe4556f6def3cc186ed |
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