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authorXu Ziyuan <xzy.xu@rock-chips.com>2016-09-05 09:39:58 +0800
committerSimon Glass <sjg@chromium.org>2016-10-01 18:35:01 -0600
commit2179a07c0c7d1a87ccf13b3f3124c107de7dab91 (patch)
tree4d28a3c57113654fdb1e705e9f067eafd57c2fb0 /board/overo
parent45b047e557bdcf68dc08e61cf207dd35b9ba8bbc (diff)
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rockchip: rk3288: sdram: fix DDR address range
The all current Rockchip SoCs supporting 4GB of ram have problems accessing the memory region 0xfe000000~0xff000000. Actually, some IP controller can't address to, so let's limit the available range. This patch fixes a bug which found in miniarm-rk3288-4GB board. The U-Boot was relocated to 0xfef72000, and .bss variants was also relocated, such as do_fat_read_at_block. Once eMMC controller transfer data to do_fat_read_at_block via DMA, DMAC can't access more than 0xfe000000. So that DMAC didn't work sane. Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>
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