blob: 37ec77cf670509b57f283fbd0f99a6aa23359eb7 (
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
43
44
45
46
47
48
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2023 Renesas Electronics Corp.
*/
#ifndef _ANDES45_PMA_H_
#define _ANDES45_PMA_H_
#include <sbi/sbi_types.h>
#define ANDES45_MAX_PMA_REGIONS 16
/* Naturally aligned power of 2 region */
#define ANDES45_PMACFG_ETYP_NAPOT 3
/* Memory, Non-cacheable, Bufferable */
#define ANDES45_PMACFG_MTYP_MEM_NON_CACHE_BUF (3 << 2)
/**
* struct andes45_pma_region - Describes PMA regions
*
* @pa: Address to be configured in the PMA
* @size: Size of the region
* @flags: Flags to be set for the PMA region
* @dt_populate: Boolean flag indicating if the DT entry should be
* populated for the given PMA region
* @shared_dma: Boolean flag if set "shared-dma-pool" property will
* be set in the DT node
* @no_map: Boolean flag if set "no-map" property will be set in the
* DT node
* @dma_default: Boolean flag if set "linux,dma-default" property will
* be set in the DT node. Note Linux expects single node
* with this property set.
*/
struct andes45_pma_region {
unsigned long pa;
unsigned long size;
u8 flags:7;
bool dt_populate;
bool shared_dma;
bool no_map;
bool dma_default;
};
int andes45_pma_setup_regions(const struct andes45_pma_region *pma_regions,
unsigned int pma_regions_count);
#endif /* _ANDES45_PMA_H_ */
|
