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_CN9130_DEV_ID		(0x7025)
28 #define MVEBU_CP110_SA_DEV_ID		(0x110)
29 #define MVEBU_CP110_REF_ID_A1		1
30 #define MVEBU_CP110_REF_ID_A2		2
31 #define MAX_STREAM_ID_PER_CP		(0x10)
32 #define STREAM_ID_BASE			(0x40)
33 
34 #define MVEBU_SECUREBOOT_CTRL_REG	(MVEBU_RFU_BASE + 0x4730)
35 #define MVEBU_SECUREBOOT_EN_MASK	BIT(0)
36 
cp110_device_id_get(uintptr_t base)37 static inline uint32_t cp110_device_id_get(uintptr_t base)
38 {
39 	/* Returns:
40 	 * - MVEBU_70X0_DEV_ID for A70X0 family
41 	 * - MVEBU_80X0_DEV_ID for A80X0 family
42 	 * - MVEBU_CP110_SA_DEV_ID for CP that connected stand alone
43 	 */
44 	return (mmio_read_32(base + MVEBU_DEVICE_ID_REG) >>
45 		MVEBU_DEVICE_ID_OFFSET) &
46 		MVEBU_DEVICE_ID_MASK;
47 }
48 
cp110_rev_id_get(uintptr_t base)49 static inline uint32_t cp110_rev_id_get(uintptr_t base)
50 {
51 	return (mmio_read_32(base + MVEBU_DEVICE_ID_REG) &
52 		MVEBU_DEVICE_REV_MASK) >>
53 		MVEBU_DEVICE_REV_OFFSET;
54 }
55 
is_secure(void)56 static inline uint32_t is_secure(void)
57 {
58 	return !!(mmio_read_32(MVEBU_SECUREBOOT_CTRL_REG) &
59 			       MVEBU_SECUREBOOT_EN_MASK);
60 }
61 
62 void cp110_init(uintptr_t cp110_base, uint32_t stream_id);
63 void cp110_ble_init(uintptr_t cp110_base);
64 void cp110_amb_init(uintptr_t base);
65 
66 #endif /* CP110_SETUP_H */
67