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