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1 /*
2  * Copyright (C) 2018 Marvell International Ltd.
3  *
4  * SPDX-License-Identifier:     BSD-3-Clause
5  * https://spdx.org/licenses
6  */
7 
8 /* CP110 Marvell SoC driver */
9 
10 #ifndef CP110_SETUP_H
11 #define CP110_SETUP_H
12 
13 #include <lib/mmio.h>
14 
15 #include <mvebu_def.h>
16 
17 #define MVEBU_DEVICE_ID_REG		(MVEBU_CP_DFX_OFFSET + 0x40)
18 #define MVEBU_DEVICE_ID_OFFSET		(0)
19 #define MVEBU_DEVICE_ID_MASK		(0xffff << MVEBU_DEVICE_ID_OFFSET)
20 #define MVEBU_DEVICE_REV_OFFSET		(16)
21 #define MVEBU_DEVICE_REV_MASK		(0xf << MVEBU_DEVICE_REV_OFFSET)
22 #define MVEBU_70X0_DEV_ID		(0x7040)
23 #define MVEBU_70X0_CP115_DEV_ID		(0x7045)
24 #define MVEBU_3900_DEV_ID		(0x6025)
25 #define MVEBU_80X0_DEV_ID		(0x8040)
26 #define MVEBU_80X0_CP115_DEV_ID		(0x8045)
27 #define MVEBU_CP110_SA_DEV_ID		(0x110)
28 #define MVEBU_CP110_REF_ID_A1		1
29 #define MVEBU_CP110_REF_ID_A2		2
30 #define MAX_STREAM_ID_PER_CP		(0x10)
31 #define STREAM_ID_BASE			(0x40)
32 
cp110_device_id_get(uintptr_t base)33 static inline uint32_t cp110_device_id_get(uintptr_t base)
34 {
35 	/* Returns:
36 	 * - MVEBU_70X0_DEV_ID for A70X0 family
37 	 * - MVEBU_80X0_DEV_ID for A80X0 family
38 	 * - MVEBU_CP110_SA_DEV_ID for CP that connected stand alone
39 	 */
40 	return (mmio_read_32(base + MVEBU_DEVICE_ID_REG) >>
41 		MVEBU_DEVICE_ID_OFFSET) &
42 		MVEBU_DEVICE_ID_MASK;
43 }
44 
cp110_rev_id_get(uintptr_t base)45 static inline uint32_t cp110_rev_id_get(uintptr_t base)
46 {
47 	return (mmio_read_32(base + MVEBU_DEVICE_ID_REG) &
48 		MVEBU_DEVICE_REV_MASK) >>
49 		MVEBU_DEVICE_REV_OFFSET;
50 }
51 
52 void cp110_init(uintptr_t cp110_base, uint32_t stream_id);
53 void cp110_ble_init(uintptr_t cp110_base);
54 
55 #endif /* CP110_SETUP_H */
56