| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2023 Renesas Electronics Corp. |
| */ |
| |
| #ifndef _ANDES_PMA_H_ |
| #define _ANDES_PMA_H_ |
| |
| #include <sbi/sbi_types.h> |
| |
| #define ANDES_MAX_PMA_REGIONS 16 |
| |
| /* Naturally aligned power of 2 region */ |
| #define ANDES_PMACFG_ETYP_NAPOT 3 |
| |
| /* Memory, Non-cacheable, Bufferable */ |
| #define ANDES_PMACFG_MTYP_MEM_NON_CACHE_BUF (3 << 2) |
| |
| /** |
| * struct andes_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 andes_pma_region { |
| unsigned long pa; |
| unsigned long size; |
| u8 flags:7; |
| bool dt_populate; |
| bool shared_dma; |
| bool no_map; |
| bool dma_default; |
| }; |
| |
| int andes_pma_setup_regions(const struct andes_pma_region *pma_regions, |
| unsigned int pma_regions_count); |
| |
| #endif /* _ANDES_PMA_H_ */ |
