mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 13:03:40 +00:00
40 lines
827 B
C
40 lines
827 B
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2023 Collabora Ltd.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <fdtdec.h>
|
||
|
|
#include <fdt_support.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_OF_BOARD_SETUP
|
||
|
|
int rock5a_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 rock5a_add_reserved_memory_fdt_nodes(blob);
|
||
|
|
}
|
||
|
|
#endif
|