xref: /rk3399_ARM-atf/plat/intel/soc/common/include/socfpga_mailbox.h (revision d191eb247adc53b913b44f4ad9df90c5445f55c8)
1 /*
2  * Copyright (c) 2019-2020, 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_MAX_JOB_ID			0xf
16 #define MBOX_ATF_CLIENT_ID		0x1
17 #define MBOX_JOB_ID			0x1
18 
19 
20 /* Mailbox Shared Memory Register Map */
21 #define MBOX_CIN			0x00
22 #define MBOX_ROUT			0x04
23 #define MBOX_URG			0x08
24 #define MBOX_INT			0x0C
25 #define MBOX_COUT			0x20
26 #define MBOX_RIN			0x24
27 #define MBOX_STATUS			0x2C
28 #define MBOX_CMD_BUFFER			0x40
29 #define MBOX_RESP_BUFFER		0xC0
30 
31 /* Mailbox SDM doorbell */
32 #define MBOX_DOORBELL_TO_SDM		0x400
33 #define MBOX_DOORBELL_FROM_SDM		0x480
34 
35 
36 /* Mailbox commands */
37 
38 #define MBOX_CMD_NOOP			0x00
39 #define MBOX_CMD_SYNC			0x01
40 #define MBOX_CMD_RESTART		0x02
41 #define MBOX_CMD_CANCEL			0x03
42 #define MBOX_CMD_GET_IDCODE		0x10
43 #define MBOX_CMD_REBOOT_HPS		0x47
44 
45 /* Reconfiguration Commands */
46 #define MBOX_CONFIG_STATUS		0x04
47 #define MBOX_RECONFIG			0x06
48 #define MBOX_RECONFIG_DATA		0x08
49 #define MBOX_RECONFIG_STATUS		0x09
50 
51 /* QSPI Commands */
52 #define MBOX_CMD_QSPI_OPEN		0x32
53 #define MBOX_CMD_QSPI_CLOSE		0x33
54 #define MBOX_CMD_QSPI_SET_CS		0x34
55 #define MBOX_CMD_QSPI_DIRECT		0x3B
56 
57 /* RSU Commands */
58 #define MBOX_GET_SUBPARTITION_TABLE	0x5A
59 #define MBOX_RSU_STATUS			0x5B
60 #define MBOX_RSU_UPDATE			0x5C
61 #define MBOX_HPS_STAGE_NOTIFY		0x5D
62 
63 
64 /* Mailbox Definitions */
65 
66 #define CMD_DIRECT			0
67 #define CMD_INDIRECT			1
68 #define CMD_CASUAL			0
69 #define CMD_URGENT			1
70 
71 #define MBOX_RESP_BUFFER_SIZE		16
72 #define MBOX_CMD_BUFFER_SIZE		32
73 
74 /* Execution states for HPS_STAGE_NOTIFY */
75 #define HPS_EXECUTION_STATE_FSBL	0
76 #define HPS_EXECUTION_STATE_SSBL	1
77 #define HPS_EXECUTION_STATE_OS		2
78 
79 /* Status Response */
80 #define MBOX_RET_OK			0
81 #define MBOX_RET_ERROR			-1
82 #define MBOX_NO_RESPONSE		-2
83 #define MBOX_WRONG_ID			-3
84 #define MBOX_TIMEOUT			-2047
85 
86 /* Reconfig Status Response */
87 #define RECONFIG_STATUS_STATE				0
88 #define RECONFIG_STATUS_PIN_STATUS			2
89 #define RECONFIG_STATUS_SOFTFUNC_STATUS			3
90 #define PIN_STATUS_NSTATUS				(U(1) << 31)
91 #define SOFTFUNC_STATUS_SEU_ERROR			(1 << 3)
92 #define SOFTFUNC_STATUS_INIT_DONE			(1 << 1)
93 #define SOFTFUNC_STATUS_CONF_DONE			(1 << 0)
94 #define MBOX_CFGSTAT_STATE_IDLE				0x00000000
95 #define MBOX_CFGSTAT_STATE_CONFIG			0x10000000
96 #define MBOX_CFGSTAT_STATE_FAILACK			0x08000000
97 #define MBOX_CFGSTAT_STATE_ERROR_INVALID		0xf0000001
98 #define MBOX_CFGSTAT_STATE_ERROR_CORRUPT		0xf0000002
99 #define MBOX_CFGSTAT_STATE_ERROR_AUTH			0xf0000003
100 #define MBOX_CFGSTAT_STATE_ERROR_CORE_IO		0xf0000004
101 #define MBOX_CFGSTAT_STATE_ERROR_HARDWARE		0xf0000005
102 #define MBOX_CFGSTAT_STATE_ERROR_FAKE			0xf0000006
103 #define MBOX_CFGSTAT_STATE_ERROR_BOOT_INFO		0xf0000007
104 #define MBOX_CFGSTAT_STATE_ERROR_QSPI_ERROR		0xf0000008
105 
106 
107 /* Mailbox Macros */
108 
109 /* Mailbox interrupt flags and masks */
110 #define MBOX_INT_FLAG_COE		0x1
111 #define MBOX_INT_FLAG_RIE		0x2
112 #define MBOX_INT_FLAG_UAE		0x100
113 #define MBOX_COE_BIT(INTERRUPT)		((INTERRUPT) & 0x3)
114 #define MBOX_UAE_BIT(INTERRUPT)		(((INTERRUPT) & (1<<8)))
115 
116 /* Mailbox response and status */
117 #define MBOX_RESP_ERR(BUFFER)		((BUFFER) & 0x00000fff)
118 #define MBOX_RESP_LEN(BUFFER)		(((BUFFER) & 0x007ff000) >> 12)
119 #define MBOX_RESP_CLIENT_ID(BUFFER)	(((BUFFER) & 0xf0000000) >> 28)
120 #define MBOX_RESP_JOB_ID(BUFFER)	(((BUFFER) & 0x0f000000) >> 24)
121 #define MBOX_STATUS_UA_MASK		(1<<8)
122 
123 /* Mailbox command and response */
124 #define MBOX_CLIENT_ID_CMD(CLIENT_ID)	((CLIENT_ID) << 28)
125 #define MBOX_JOB_ID_CMD(JOB_ID)		(JOB_ID<<24)
126 #define MBOX_CMD_LEN_CMD(CMD_LEN)	((CMD_LEN) << 12)
127 #define MBOX_INDIRECT(val)		((val) << 11)
128 
129 /* RSU Macros */
130 #define RSU_VERSION_ACMF		BIT(8)
131 #define RSU_VERSION_ACMF_MASK		0xff00
132 
133 
134 /* Mailbox Function Definitions */
135 
136 void mailbox_set_int(int interrupt_input);
137 int mailbox_init(void);
138 void mailbox_set_qspi_close(void);
139 void mailbox_set_qspi_open(void);
140 void mailbox_set_qspi_direct(void);
141 int mailbox_send_cmd(int job_id, unsigned int cmd, uint32_t *args,
142 			int len, int urgent, uint32_t *response, int resp_len);
143 int mailbox_send_cmd_async(int job_id, unsigned int cmd, uint32_t *args,
144 				int len, int indirect);
145 int mailbox_read_response(int job_id, uint32_t *response, int resp_len);
146 void mailbox_reset_cold(void);
147 void mailbox_clear_response(void);
148 
149 int intel_mailbox_get_config_status(uint32_t cmd);
150 int intel_mailbox_is_fpga_not_ready(void);
151 
152 int mailbox_rsu_get_spt_offset(uint32_t *resp_buf, uint32_t resp_buf_len);
153 int mailbox_rsu_status(uint32_t *resp_buf, uint32_t resp_buf_len);
154 int mailbox_rsu_update(uint32_t *flash_offset);
155 int mailbox_hps_stage_notify(uint32_t execution_stage);
156 
157 #endif /* SOCFPGA_MBOX_H */
158