xref: /rk3399_ARM-atf/plat/intel/soc/common/include/socfpga_mailbox.h (revision 49446866a515c2db855d456f39df3d586b2084b7)
1 /*
2  * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef SOCFPGA_MBOX_H
8 #define SOCFPGA_MBOX_H
9 
10 #include <lib/utils_def.h>
11 
12 
13 #define MBOX_OFFSET					0xffa30000
14 
15 #define MBOX_ATF_CLIENT_ID				0x1U
16 #define MBOX_MAX_JOB_ID					0xFU
17 #define MBOX_MAX_IND_JOB_ID				(MBOX_MAX_JOB_ID - 1U)
18 #define MBOX_JOB_ID					MBOX_MAX_JOB_ID
19 #define MBOX_TEST_BIT					BIT(31)
20 
21 /* Mailbox Shared Memory Register Map */
22 #define MBOX_CIN					0x00
23 #define MBOX_ROUT					0x04
24 #define MBOX_URG					0x08
25 #define MBOX_INT					0x0C
26 #define MBOX_COUT					0x20
27 #define MBOX_RIN					0x24
28 #define MBOX_STATUS					0x2C
29 #define MBOX_CMD_BUFFER					0x40
30 #define MBOX_RESP_BUFFER				0xC0
31 
32 /* Mailbox SDM doorbell */
33 #define MBOX_DOORBELL_TO_SDM				0x400
34 #define MBOX_DOORBELL_FROM_SDM				0x480
35 
36 
37 /* Mailbox commands */
38 
39 #define MBOX_CMD_NOOP					0x00
40 #define MBOX_CMD_SYNC					0x01
41 #define MBOX_CMD_RESTART				0x02
42 #define MBOX_CMD_CANCEL					0x03
43 #define MBOX_CMD_VAB_SRC_CERT				0x0B
44 #define MBOX_CMD_GET_IDCODE				0x10
45 #define MBOX_CMD_GET_USERCODE				0x13
46 #define MBOX_CMD_GET_CHIPID				0x12
47 #define MBOX_CMD_REBOOT_HPS				0x47
48 
49 /* Reconfiguration Commands */
50 #define MBOX_CONFIG_STATUS				0x04
51 #define MBOX_RECONFIG					0x06
52 #define MBOX_RECONFIG_DATA				0x08
53 #define MBOX_RECONFIG_STATUS				0x09
54 
55 /* HWMON Commands */
56 #define MBOX_HWMON_READVOLT				0x18
57 #define MBOX_HWMON_READTEMP				0x19
58 
59 
60 /* QSPI Commands */
61 #define MBOX_CMD_QSPI_OPEN				0x32
62 #define MBOX_CMD_QSPI_CLOSE				0x33
63 #define MBOX_CMD_QSPI_SET_CS				0x34
64 #define MBOX_CMD_QSPI_DIRECT				0x3B
65 
66 /* RSU Commands */
67 #define MBOX_GET_SUBPARTITION_TABLE			0x5A
68 #define MBOX_RSU_STATUS					0x5B
69 #define MBOX_RSU_UPDATE					0x5C
70 #define MBOX_HPS_STAGE_NOTIFY				0x5D
71 
72 /* FCS Command */
73 #define MBOX_FCS_GET_PROVISION				0x7B
74 #define MBOX_FCS_CNTR_SET_PREAUTH			0x7C
75 #define MBOX_FCS_ENCRYPT_REQ				0x7E
76 #define MBOX_FCS_DECRYPT_REQ				0x7F
77 #define MBOX_FCS_RANDOM_GEN				0x80
78 #define MBOX_FCS_AES_CRYPT_REQ				0x81
79 #define MBOX_FCS_GET_DIGEST_REQ				0x82
80 #define MBOX_FCS_MAC_VERIFY_REQ				0x83
81 #define MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ		0x85
82 #define MBOX_FCS_ECDSA_SHA2_DATA_SIGN_VERIFY		0x87
83 #define MBOX_FCS_ECDSA_GET_PUBKEY			0x88
84 #define MBOX_FCS_ECDH_REQUEST				0x89
85 #define MBOX_FCS_OPEN_CS_SESSION			0xA0
86 #define MBOX_FCS_CLOSE_CS_SESSION			0xA1
87 #define MBOX_FCS_IMPORT_CS_KEY				0xA5
88 #define MBOX_FCS_EXPORT_CS_KEY				0xA6
89 #define MBOX_FCS_REMOVE_CS_KEY				0xA7
90 #define MBOX_FCS_GET_CS_KEY_INFO			0xA8
91 
92 /* PSG SIGMA Commands */
93 #define MBOX_PSG_SIGMA_TEARDOWN				0xD5
94 
95 /* Attestation Commands */
96 #define MBOX_CREATE_CERT_ON_RELOAD			0x180
97 #define MBOX_GET_ATTESTATION_CERT			0x181
98 #define MBOX_ATTESTATION_SUBKEY				0x182
99 #define MBOX_GET_MEASUREMENT				0x183
100 
101 /* Miscellaneous commands */
102 #define MBOX_GET_ROM_PATCH_SHA384	0x1B0
103 
104 /* Mailbox Definitions */
105 
106 #define CMD_DIRECT					0
107 #define CMD_INDIRECT					1
108 #define CMD_CASUAL					0
109 #define CMD_URGENT					1
110 
111 #define MBOX_WORD_BYTE					4U
112 #define MBOX_RESP_BUFFER_SIZE				16
113 #define MBOX_CMD_BUFFER_SIZE				32
114 
115 /* Execution states for HPS_STAGE_NOTIFY */
116 #define HPS_EXECUTION_STATE_FSBL			0
117 #define HPS_EXECUTION_STATE_SSBL			1
118 #define HPS_EXECUTION_STATE_OS				2
119 
120 /* Status Response */
121 #define MBOX_RET_OK					0
122 #define MBOX_RET_ERROR					-1
123 #define MBOX_NO_RESPONSE				-2
124 #define MBOX_WRONG_ID					-3
125 #define MBOX_BUFFER_FULL				-4
126 #define MBOX_BUSY					-5
127 #define MBOX_TIMEOUT					-2047
128 
129 /* Reconfig Status Response */
130 #define RECONFIG_STATUS_STATE				0
131 #define RECONFIG_STATUS_PIN_STATUS			2
132 #define RECONFIG_STATUS_SOFTFUNC_STATUS			3
133 #define PIN_STATUS_NSTATUS				(U(1) << 31)
134 #define SOFTFUNC_STATUS_SEU_ERROR			(1 << 3)
135 #define SOFTFUNC_STATUS_INIT_DONE			(1 << 1)
136 #define SOFTFUNC_STATUS_CONF_DONE			(1 << 0)
137 #define MBOX_CFGSTAT_STATE_IDLE				0x00000000
138 #define MBOX_CFGSTAT_STATE_CONFIG			0x10000000
139 #define MBOX_CFGSTAT_STATE_FAILACK			0x08000000
140 #define MBOX_CFGSTAT_STATE_ERROR_INVALID		0xf0000001
141 #define MBOX_CFGSTAT_STATE_ERROR_CORRUPT		0xf0000002
142 #define MBOX_CFGSTAT_STATE_ERROR_AUTH			0xf0000003
143 #define MBOX_CFGSTAT_STATE_ERROR_CORE_IO		0xf0000004
144 #define MBOX_CFGSTAT_STATE_ERROR_HARDWARE		0xf0000005
145 #define MBOX_CFGSTAT_STATE_ERROR_FAKE			0xf0000006
146 #define MBOX_CFGSTAT_STATE_ERROR_BOOT_INFO		0xf0000007
147 #define MBOX_CFGSTAT_STATE_ERROR_QSPI_ERROR		0xf0000008
148 
149 
150 /* Mailbox Macros */
151 
152 #define MBOX_ENTRY_TO_ADDR(_buf, ptr)			(MBOX_OFFSET + (MBOX_##_buf##_BUFFER) \
153 								+ MBOX_WORD_BYTE * (ptr))
154 
155 /* Mailbox interrupt flags and masks */
156 #define MBOX_INT_FLAG_COE				0x1
157 #define MBOX_INT_FLAG_RIE				0x2
158 #define MBOX_INT_FLAG_UAE				0x100
159 #define MBOX_COE_BIT(INTERRUPT)				((INTERRUPT) & 0x3)
160 #define MBOX_UAE_BIT(INTERRUPT)				(((INTERRUPT) & (1<<8)))
161 
162 /* Mailbox response and status */
163 #define MBOX_RESP_ERR(BUFFER)				((BUFFER) & 0x000007ff)
164 #define MBOX_RESP_LEN(BUFFER)				(((BUFFER) & 0x007ff000) >> 12)
165 #define MBOX_RESP_CLIENT_ID(BUFFER)			(((BUFFER) & 0xf0000000) >> 28)
166 #define MBOX_RESP_JOB_ID(BUFFER)			(((BUFFER) & 0x0f000000) >> 24)
167 #define MBOX_STATUS_UA_MASK				(1<<8)
168 
169 /* Mailbox command and response */
170 #define MBOX_CLIENT_ID_CMD(CLIENT_ID)			((CLIENT_ID) << 28)
171 #define MBOX_JOB_ID_CMD(JOB_ID)				(JOB_ID<<24)
172 #define MBOX_CMD_LEN_CMD(CMD_LEN)			((CMD_LEN) << 12)
173 #define MBOX_INDIRECT(val)				((val) << 11)
174 #define MBOX_CMD_MASK(header)				((header) & 0x7ff)
175 
176 /* Mailbox payload */
177 #define MBOX_DATA_MAX_LEN				0x3ff
178 #define MBOX_PAYLOAD_FLAG_BUSY				BIT(0)
179 
180 /* RSU Macros */
181 #define RSU_VERSION_ACMF				BIT(8)
182 #define RSU_VERSION_ACMF_MASK				0xff00
183 
184 /* Config Status Macros */
185 #define CONFIG_STATUS_WORD_SIZE		16U
186 #define CONFIG_STATUS_FW_VER_OFFSET	1
187 #define CONFIG_STATUS_FW_VER_MASK	0x00FFFFFF
188 
189 /* Data structure */
190 
191 typedef struct mailbox_payload {
192 	uint32_t header;
193 	uint32_t data[MBOX_DATA_MAX_LEN];
194 } mailbox_payload_t;
195 
196 typedef struct mailbox_container {
197 	uint32_t flag;
198 	uint32_t index;
199 	mailbox_payload_t *payload;
200 } mailbox_container_t;
201 
202 /* Mailbox Function Definitions */
203 
204 void mailbox_set_int(uint32_t interrupt_input);
205 int mailbox_init(void);
206 void mailbox_set_qspi_close(void);
207 void mailbox_hps_qspi_enable(void);
208 
209 int mailbox_send_cmd(uint32_t job_id, uint32_t cmd, uint32_t *args,
210 			unsigned int len, uint32_t urgent, uint32_t *response,
211 			unsigned int *resp_len);
212 int mailbox_send_cmd_async(uint32_t *job_id, uint32_t cmd, uint32_t *args,
213 			unsigned int len, unsigned int indirect);
214 int mailbox_read_response(uint32_t *job_id, uint32_t *response,
215 			unsigned int *resp_len);
216 int mailbox_read_response_async(uint32_t *job_id, uint32_t *header,
217 			uint32_t *response, unsigned int *resp_len,
218 			uint8_t ignore_client_id);
219 int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
220 			unsigned int *resp_len);
221 
222 void mailbox_reset_cold(void);
223 void mailbox_clear_response(void);
224 
225 int intel_mailbox_get_config_status(uint32_t cmd, bool init_done);
226 int intel_mailbox_is_fpga_not_ready(void);
227 
228 int mailbox_rsu_get_spt_offset(uint32_t *resp_buf, uint32_t resp_buf_len);
229 int mailbox_rsu_status(uint32_t *resp_buf, uint32_t resp_buf_len);
230 int mailbox_rsu_update(uint32_t *flash_offset);
231 int mailbox_hps_stage_notify(uint32_t execution_stage);
232 int mailbox_hwmon_readtemp(uint32_t chan, uint32_t *resp_buf);
233 int mailbox_hwmon_readvolt(uint32_t chan, uint32_t *resp_buf);
234 
235 #endif /* SOCFPGA_MBOX_H */
236