blob: 8295a1751c5204639b959d42e462246f6bf9cb02 (
plain)
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
40
41
42
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <of.h>
#include <linux/ioport.h>
#include <asm/barebox-arm.h>
#include <asm/optee.h>
int of_optee_fixup(struct device_node *root, void *_data)
{
struct of_optee_fixup_data *fixup_data = _data;
struct resource res = {};
struct device_node *node;
int ret;
node = of_create_node(root, "/firmware/optee");
if (!node)
return -ENOMEM;
ret = of_property_write_string(node, "compatible", "linaro,optee-tz");
if (ret)
return ret;
ret = of_property_write_string(node, "method", fixup_data->method);
if (ret)
return ret;
res.start = arm_mem_endmem_get() - OPTEE_SIZE;
res.end = arm_mem_endmem_get() - fixup_data->shm_size -1;
res.flags = IORESOURCE_BUSY;
res.name = "optee_core";
ret = of_fixup_reserved_memory(root, &res);
if (ret)
return ret;
res.start = arm_mem_endmem_get() - fixup_data->shm_size;
res.end = arm_mem_endmem_get() - 1;
res.flags &= ~IORESOURCE_BUSY;
res.name = "optee_shm";
return of_fixup_reserved_memory(root, &res);
}
|
