mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-08 22:03:22 +09:00
![Paul Burton](/assets/img/avatar_default.png)
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
/*
|
|
* Copyright (C) 2016 Imagination Technologies
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <fdt_support.h>
|
|
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
u64 mem_start[2], mem_size[2];
|
|
int mem_regions;
|
|
|
|
mem_start[0] = 0;
|
|
mem_size[0] = min_t(u64, 256llu << 20, gd->ram_size);
|
|
mem_regions = 1;
|
|
|
|
if (gd->ram_size > mem_size[0]) {
|
|
mem_start[1] = 0x80000000 + mem_size[0];
|
|
mem_size[1] = gd->ram_size - mem_size[0];
|
|
mem_regions++;
|
|
}
|
|
|
|
return fdt_fixup_memory_banks(blob, mem_start, mem_size, mem_regions);
|
|
}
|