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https://github.com/brain-hackers/u-boot-brain
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d2b12a5767
The boston memory map isn't suited to the simple "all memory starting from 0" approach that the MIPS arch_fixup_fdt() implementation takes. Instead we need to indicate the first 256MiB of DDR from 0 and the rest from 0x90000000. Implement ft_board_setup to do that. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
28 lines
570 B
C
28 lines
570 B
C
/*
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* Copyright (C) 2016 Imagination Technologies
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <fdt_support.h>
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int ft_board_setup(void *blob, bd_t *bd)
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{
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DECLARE_GLOBAL_DATA_PTR;
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u64 mem_start[2], mem_size[2];
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int mem_regions;
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mem_start[0] = 0;
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mem_size[0] = min_t(u64, 256llu << 20, gd->ram_size);
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mem_regions = 1;
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if (gd->ram_size > mem_size[0]) {
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mem_start[1] = 0x80000000 + mem_size[0];
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mem_size[1] = gd->ram_size - mem_size[0];
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mem_regions++;
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}
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return fdt_fixup_memory_banks(blob, mem_start, mem_size, mem_regions);
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}
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