1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2023 Rockchip Electronics Co,. Ltd.
*/
#include <fdtdec.h>
#include <fdt_support.h>
#ifdef CONFIG_OF_BOARD_SETUP
static int rk3588_add_reserved_memory_fdt_nodes(void *new_blob)
{
struct fdt_memory gap1 = {
.start = 0x3fc000000,
.end = 0x3fc4fffff,
};
struct fdt_memory gap2 = {
.start = 0x3fff00000,
.end = 0x3ffffffff,
};
unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
unsigned int ret;
/*
* Inject the reserved-memory nodes into the DTS
*/
ret = fdtdec_add_reserved_memory(new_blob, "gap1", &gap1, NULL, 0,
NULL, flags);
if (ret)
return ret;
return fdtdec_add_reserved_memory(new_blob, "gap2", &gap2, NULL, 0,
NULL, flags);
}
int ft_board_setup(void *blob, struct bd_info *bd)
{
return rk3588_add_reserved_memory_fdt_nodes(blob);
}
#endif
|