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Soby Mathewf6f2b7e2017-06-12 12:13:04 +01001/*
2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#ifndef __SDS_H__
8#define __SDS_H__
9
10/* SDS Structure Identifier defines */
11/* AP CPU INFO defines */
12#define SDS_AP_CPU_INFO_STRUCT_ID 1
13#define SDS_AP_CPU_INFO_PRIMARY_CPUID_OFFSET 0x0
14#define SDS_AP_CPU_INFO_PRIMARY_CPUID_SIZE 0x4
15
16/* ROM Firmware Version defines */
17#define SDS_ROM_VERSION_STRUCT_ID 2
18#define SDS_ROM_VERSION_OFFSET 0x0
19#define SDS_ROM_VERSION_SIZE 0x4
20
21/* RAM Firmware version defines */
22#define SDS_RAM_VERSION_STRUCT_ID 3
23#define SDS_RAM_VERSION_OFFSET 0x0
24#define SDS_RAM_VERSION_SIZE 0x4
25
26/* Platform Identity defines */
27#define SDS_PLATFORM_IDENTITY_STRUCT_ID 4
28#define SDS_PLATFORM_IDENTITY_ID_OFFSET 0x0
29#define SDS_PLATFORM_IDENTITY_ID_SIZE 0x4
30#define SDS_PLATFORM_IDENTITY_ID_CONFIG_SHIFT 28
31#define SDS_PLATFORM_IDENTITY_ID_CONFIG_WIDTH 4
32#define SDS_PLATFORM_IDENTITY_ID_CONFIG_MASK \
33 ((1 << SDS_PLATFORM_IDENTITY_ID_CONFIG_WIDTH) - 1)
34
35#define SDS_PLATFORM_IDENTITY_PLAT_TYPE_OFFSET 0x4
36#define SDS_PLATFORM_IDENTITY_PLAT_TYPE_SIZE 0x4
37
38/* Reset Syndrome defines */
39#define SDS_RESET_SYNDROME_STRUCT_ID 5
40#define SDS_RESET_SYNDROME_OFFSET 0
41#define SDS_RESET_SYNDROME_SIZE 4
42#define SDS_RESET_SYNDROME_POW_ON_RESET_BIT (1 << 0)
43#define SDS_RESET_SYNDROME_SCP_WD_RESET_BIT (1 << 1)
44#define SDS_RESET_SYNDROME_AP_WD_RESET_BIT (1 << 2)
45#define SDS_RESET_SYNDROME_SYS_RESET_REQ_BIT (1 << 3)
46#define SDS_RESET_SYNDROME_M3_LOCKUP_BIT (1 << 4)
47
48/* SCP Firmware Feature Availability defines */
49#define SDS_FEATURE_AVAIL_STRUCT_ID 6
50#define SDS_FEATURE_AVAIL_OFFSET 0
51#define SDS_FEATURE_AVAIL_SIZE 4
52#define SDS_FEATURE_AVAIL_SCP_RAM_READY_BIT (1 << 0)
53#define SDS_FEATURE_AVAIL_DMC_READY_BIT (1 << 1)
54#define SDS_FEATURE_AVAIL_MSG_IF_READY_BIT (1 << 2)
55
56/* SCP BL2 Image Metadata defines */
57#define SDS_SCP_IMG_STRUCT_ID 9
58#define SDS_SCP_IMG_FLAG_OFFSET 0
59#define SDS_SCP_IMG_FLAG_SIZE 4
60#define SDS_SCP_IMG_VALID_FLAG_BIT (1 << 0)
61#define SDS_SCP_IMG_ADDR_OFFSET 4
62#define SDS_SCP_IMG_ADDR_SIZE 4
63#define SDS_SCP_IMG_SIZE_OFFSET 8
64#define SDS_SCP_IMG_SIZE_SIZE 4
65
66/* SDS Driver Error Codes */
67#define SDS_OK 0
68#define SDS_ERR_FAIL -1
69#define SDS_ERR_INVALID_PARAMS -2
70#define SDS_ERR_STRUCT_NOT_FOUND -3
71#define SDS_ERR_STRUCT_NOT_FINALIZED -4
72
73#ifndef __ASSEMBLY__
74#include <stddef.h>
75#include <stdint.h>
76
77typedef enum {
78 SDS_ACCESS_MODE_NON_CACHED,
79 SDS_ACCESS_MODE_CACHED,
80} sds_access_mode_t;
81
82int sds_init(void);
Roberto Vargas4fa337c2018-02-12 12:36:17 +000083int sds_struct_exists(unsigned int structure_id);
Soby Mathewf6f2b7e2017-06-12 12:13:04 +010084int sds_struct_read(uint32_t structure_id, unsigned int fld_off, void *data,
85 size_t size, sds_access_mode_t mode);
86int sds_struct_write(uint32_t structure_id, unsigned int fld_off, void *data,
87 size_t size, sds_access_mode_t mode);
88#endif /*__ASSEMBLY__ */
89#endif /* __SDS_H__ */