1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * SLIM core rproc driver header |
4 | * |
5 | * Copyright (C) 2016 STMicroelectronics |
6 | * |
7 | * Author: Peter Griffin <peter.griffin@linaro.org> |
8 | */ |
9 | #ifndef _ST_REMOTEPROC_SLIM_H |
10 | #define _ST_REMOTEPROC_SLIM_H |
11 | |
12 | #define ST_SLIM_MEM_MAX 2 |
13 | #define ST_SLIM_MAX_CLK 4 |
14 | |
15 | enum { |
16 | ST_SLIM_DMEM, |
17 | ST_SLIM_IMEM, |
18 | }; |
19 | |
20 | /** |
21 | * struct st_slim_mem - slim internal memory structure |
22 | * @cpu_addr: MPU virtual address of the memory region |
23 | * @bus_addr: Bus address used to access the memory region |
24 | * @size: Size of the memory region |
25 | */ |
26 | struct st_slim_mem { |
27 | void __iomem *cpu_addr; |
28 | phys_addr_t bus_addr; |
29 | size_t size; |
30 | }; |
31 | |
32 | /** |
33 | * struct st_slim_rproc - SLIM slim core |
34 | * @rproc: rproc handle |
35 | * @mem: slim memory information |
36 | * @slimcore: slim slimcore regs |
37 | * @peri: slim peripheral regs |
38 | * @clks: slim clocks |
39 | */ |
40 | struct st_slim_rproc { |
41 | struct rproc *rproc; |
42 | struct st_slim_mem mem[ST_SLIM_MEM_MAX]; |
43 | void __iomem *slimcore; |
44 | void __iomem *peri; |
45 | |
46 | /* st_slim_rproc private */ |
47 | struct clk *clks[ST_SLIM_MAX_CLK]; |
48 | }; |
49 | |
50 | struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev, |
51 | char *fw_name); |
52 | void st_slim_rproc_put(struct st_slim_rproc *slim_rproc); |
53 | |
54 | #endif |
55 | |