intel: Adds support for Agilex platform
Signed-off-by: Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: Ib2ad2068abdf0b204c5cb021ea919581adaca4ef
diff --git a/plat/intel/soc/agilex/include/agilex_mailbox.h b/plat/intel/soc/agilex/include/agilex_mailbox.h
new file mode 100644
index 0000000..2a21447
--- /dev/null
+++ b/plat/intel/soc/agilex/include/agilex_mailbox.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef AGX_MBOX_H
+#define AGX_MBOX_H
+
+#define MBOX_OFFSET 0xffa30000
+
+#define MBOX_ATF_CLIENT_ID 0x1
+#define MBOX_JOB_ID 0x1
+
+/* Mailbox interrupt flags and masks */
+#define MBOX_INT_FLAG_COE 0x1
+#define MBOX_INT_FLAG_RIE 0x2
+#define MBOX_INT_FLAG_UAE 0x100
+#define MBOX_COE_BIT(INTERRUPT) ((INTERRUPT) & 0x3)
+#define MBOX_UAE_BIT(INTERRUPT) (((INTERRUPT) & (1<<8)))
+
+/* Mailbox response and status */
+#define MBOX_RESP_BUFFER_SIZE 16
+#define MBOX_RESP_ERR(BUFFER) ((BUFFER) & 0x00000fff)
+#define MBOX_RESP_LEN(BUFFER) (((BUFFER) & 0x007ff000) >> 12)
+#define MBOX_RESP_CLIENT_ID(BUFFER) (((BUFFER) & 0xf0000000) >> 28)
+#define MBOX_RESP_JOB_ID(BUFFER) (((BUFFER) & 0x0f000000) >> 24)
+#define MBOX_STATUS_UA_MASK (1<<8)
+
+/* Mailbox command and response */
+#define MBOX_CMD_FREE_OFFSET 0x14
+#define MBOX_CMD_BUFFER_SIZE 32
+#define MBOX_CLIENT_ID_CMD(CLIENT_ID) ((CLIENT_ID) << 28)
+#define MBOX_JOB_ID_CMD(JOB_ID) (JOB_ID<<24)
+#define MBOX_CMD_LEN_CMD(CMD_LEN) ((CMD_LEN) << 12)
+#define MBOX_INDIRECT (1 << 11)
+#define MBOX_INSUFFICIENT_BUFFER -2
+#define MBOX_CIN 0x00
+#define MBOX_ROUT 0x04
+#define MBOX_URG 0x08
+#define MBOX_INT 0x0C
+#define MBOX_COUT 0x20
+#define MBOX_RIN 0x24
+#define MBOX_STATUS 0x2C
+#define MBOX_CMD_BUFFER 0x40
+#define MBOX_RESP_BUFFER 0xC0
+
+#define MBOX_RESP_BUFFER_SIZE 16
+#define MBOX_RESP_OK 0
+#define MBOX_RESP_INVALID_CMD 1
+#define MBOX_RESP_UNKNOWN_BR 2
+#define MBOX_RESP_UNKNOWN 3
+#define MBOX_RESP_NOT_CONFIGURED 256
+
+/* Mailbox SDM doorbell */
+#define MBOX_DOORBELL_TO_SDM 0x400
+#define MBOX_DOORBELL_FROM_SDM 0x480
+
+/* Mailbox QSPI commands */
+#define MBOX_CMD_RESTART 2
+#define MBOX_CMD_QSPI_OPEN 50
+#define MBOX_CMD_QSPI_CLOSE 51
+#define MBOX_CMD_QSPI_DIRECT 59
+#define MBOX_CMD_GET_IDCODE 16
+#define MBOX_CMD_QSPI_SET_CS 52
+
+/* Mailbox REBOOT commands */
+#define MBOX_CMD_REBOOT_HPS 71
+
+/* Generic error handling */
+#define MBOX_TIMEOUT -2047
+#define MBOX_NO_RESPONSE -2
+#define MBOX_WRONG_ID -3
+
+/* Mailbox status */
+#define RECONFIG_STATUS_STATE 0
+#define RECONFIG_STATUS_PIN_STATUS 2
+#define RECONFIG_STATUS_SOFTFUNC_STATUS 3
+#define PIN_STATUS_NSTATUS (1 << 31)
+#define SOFTFUNC_STATUS_SEU_ERROR (1 << 3)
+#define SOFTFUNC_STATUS_INIT_DONE (1 << 1)
+#define SOFTFUNC_STATUS_CONF_DONE (1 << 0)
+#define MBOX_CFGSTAT_STATE_CONFIG 0x10000000
+
+/* SMC function IDs for SiP Service queries */
+#define SIP_SVC_CALL_COUNT 0x8200ff00
+#define SIP_SVC_UID 0x8200ff01
+#define SIP_SVC_VERSION 0x8200ff03
+
+/* SiP Service Calls version numbers */
+#define SIP_SVC_VERSION_MAJOR 0
+#define SIP_SVC_VERSION_MINOR 1
+
+/* Mailbox reconfiguration commands */
+#define MBOX_RECONFIG 6
+#define MBOX_RECONFIG_DATA 8
+#define MBOX_RECONFIG_STATUS 9
+
+/* Sip get memory */
+#define INTEL_SIP_SMC_FPGA_CONFIG_START 0xC2000001
+#define INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM 0xC2000005
+#define INTEL_SIP_SMC_FPGA_CONFIG_ISDONE 0xC2000004
+#define INTEL_SIP_SMC_FPGA_CONFIG_WRITE 0x42000002
+#define INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE 0xC2000003
+#define INTEL_SIP_SMC_STATUS_OK 0
+#define INTEL_SIP_SMC_STATUS_ERROR 0x4
+#define INTEL_SIP_SMC_STATUS_BUSY 0x1
+#define INTEL_SIP_SMC_STATUS_REJECTED 0x2
+#define INTEL_SIP_SMC_FPGA_CONFIG_ADDR 0x1000
+#define INTEL_SIP_SMC_FPGA_CONFIG_SIZE 16777216
+
+void mailbox_set_int(int interrupt_input);
+int mailbox_init(void);
+void mailbox_set_qspi_close(void);
+void mailbox_set_qspi_open(void);
+void mailbox_set_qspi_direct(void);
+int mailbox_send_cmd(int job_id, unsigned int cmd, uint32_t *args,
+ int len, int urgent, uint32_t *response);
+void mailbox_send_cmd_async(int job_id, unsigned int cmd, uint32_t *args,
+ int len, int urgent);
+int mailbox_read_response(int job_id, uint32_t *response);
+int mailbox_get_qspi_clock(void);
+void mailbox_reset_cold(void);
+
+#endif