xref: /openbmc/u-boot/board/imgtec/boston/dt.c (revision bf9012b8)
1 /*
2  * Copyright (C) 2016 Imagination Technologies
3  *
4  * SPDX-License-Identifier:	GPL-2.0
5  */
6 
7 #include <common.h>
8 #include <fdt_support.h>
9 
10 int ft_board_setup(void *blob, bd_t *bd)
11 {
12 	DECLARE_GLOBAL_DATA_PTR;
13 	u64 mem_start[2], mem_size[2];
14 	int mem_regions;
15 
16 	mem_start[0] = 0;
17 	mem_size[0] = min_t(u64, 256llu << 20, gd->ram_size);
18 	mem_regions = 1;
19 
20 	if (gd->ram_size > mem_size[0]) {
21 		mem_start[1] = 0x80000000 + mem_size[0];
22 		mem_size[1] = gd->ram_size - mem_size[0];
23 		mem_regions++;
24 	}
25 
26 	return fdt_fixup_memory_banks(blob, mem_start, mem_size, mem_regions);
27 }
28