Line data Source code
1 0 : /*
2 : * Copyright (c) 2023 Carlo Caione <ccaione@baylibre.com>
3 : *
4 : * SPDX-License-Identifier: Apache-2.0
5 : */
6 : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_MEM_ATTR_RISCV_H_
7 : #define ZEPHYR_INCLUDE_DT_BINDINGS_MEM_ATTR_RISCV_H_
8 :
9 : #include <zephyr/sys/util_macro.h>
10 : #include <zephyr/dt-bindings/memory-attr/memory-attr.h>
11 :
12 : /*
13 : * Architecture specific RISCV related attributes.
14 : */
15 0 : #define DT_MEM_RISCV_MASK DT_MEM_ARCH_ATTR_MASK
16 0 : #define DT_MEM_RISCV_GET(x) ((x) & DT_MEM_RISCV_MASK)
17 0 : #define DT_MEM_RISCV(x) ((x) << DT_MEM_ARCH_ATTR_SHIFT)
18 :
19 0 : #define ATTR_RISCV_TYPE_MAIN BIT(0)
20 0 : #define ATTR_RISCV_TYPE_IO BIT(1)
21 0 : #define ATTR_RISCV_TYPE_EMPTY BIT(2)
22 0 : #define ATTR_RISCV_AMO_SWAP BIT(3)
23 0 : #define ATTR_RISCV_AMO_LOGICAL BIT(4)
24 0 : #define ATTR_RISCV_AMO_ARITHMETIC BIT(5)
25 0 : #define ATTR_RISCV_IO_IDEMPOTENT_READ BIT(6)
26 0 : #define ATTR_RISCV_IO_IDEMPOTENT_WRITE BIT(7)
27 :
28 0 : #define DT_MEM_RISCV_TYPE_MAIN DT_MEM_RISCV(ATTR_RISCV_TYPE_MAIN)
29 0 : #define DT_MEM_RISCV_TYPE_IO DT_MEM_RISCV(ATTR_RISCV_TYPE_IO)
30 0 : #define DT_MEM_RISCV_TYPE_EMPTY DT_MEM_RISCV(ATTR_RISCV_TYPE_EMPTY)
31 0 : #define DT_MEM_RISCV_AMO_SWAP DT_MEM_RISCV(ATTR_RISCV_AMO_SWAP)
32 0 : #define DT_MEM_RISCV_AMO_LOGICAL DT_MEM_RISCV(ATTR_RISCV_AMO_LOGICAL)
33 0 : #define DT_MEM_RISCV_AMO_ARITHMETIC DT_MEM_RISCV(ATTR_RISCV_AMO_ARITHMETIC)
34 0 : #define DT_MEM_RISCV_IO_IDEMPOTENT_READ DT_MEM_RISCV(ATTR_RISCV_IO_IDEMPOTENT_READ)
35 0 : #define DT_MEM_RISCV_IO_IDEMPOTENT_WRITE DT_MEM_RISCV(ATTR_RISCV_IO_IDEMPOTENT_WRITE)
36 0 : #define DT_MEM_RISCV_UNKNOWN DT_MEM_ARCH_ATTR_UNKNOWN
37 :
38 : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_MEM_ATTR_RISCV_H_ */
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