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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/include/lpc-mbox.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/include/lpc-mbox.h')
-rw-r--r--roms/skiboot/include/lpc-mbox.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/roms/skiboot/include/lpc-mbox.h b/roms/skiboot/include/lpc-mbox.h
new file mode 100644
index 000000000..5883cc305
--- /dev/null
+++ b/roms/skiboot/include/lpc-mbox.h
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/* Copyright 2017-2018 IBM Corp. */
+
+#ifndef __LPC_MBOX_H
+#define __LPC_MBOX_H
+
+#include <hiomap.h>
+#include <opal.h>
+#include <ccan/endian/endian.h>
+
+#define BMC_MBOX_ARGS_REGS 11
+#define BMC_MBOX_READ_REGS 16
+#define BMC_MBOX_WRITE_REGS 13
+
+#define MBOX_C_RESET_STATE HIOMAP_C_RESET
+#define MBOX_C_GET_MBOX_INFO HIOMAP_C_GET_INFO
+#define MBOX_C_GET_FLASH_INFO HIOMAP_C_GET_FLASH_INFO
+#define MBOX_C_CREATE_READ_WINDOW HIOMAP_C_CREATE_READ_WINDOW
+#define MBOX_C_CLOSE_WINDOW HIOMAP_C_CLOSE_WINDOW
+#define MBOX_C_CREATE_WRITE_WINDOW HIOMAP_C_CREATE_WRITE_WINDOW
+#define MBOX_C_MARK_WRITE_DIRTY HIOMAP_C_MARK_DIRTY
+#define MBOX_C_WRITE_FLUSH HIOMAP_C_FLUSH
+#define MBOX_C_BMC_EVENT_ACK HIOMAP_C_ACK
+#define MBOX_C_MARK_WRITE_ERASED HIOMAP_C_ERASE
+#define MBOX_C_GET_FLASH_NAME HIOMAP_C_DEVICE_NAME
+#define MBOX_C_MARK_LOCKED HIOMAP_C_LOCK
+#define MBOX_COMMAND_COUNT 12
+
+#define MBOX_R_SUCCESS 0x01
+#define MBOX_R_PARAM_ERROR 0x02
+#define MBOX_R_WRITE_ERROR 0x03
+#define MBOX_R_SYSTEM_ERROR 0x04
+#define MBOX_R_TIMEOUT 0x05
+#define MBOX_R_BUSY 0x06
+#define MBOX_R_WINDOW_ERROR 0x07
+#define MBOX_R_SEQ_ERROR 0x08
+#define MBOX_R_LOCKED 0x09
+
+#define MBOX_ATTN_ACK_MASK HIOMAP_E_ACK_MASK
+#define MBOX_ATTN_BMC_REBOOT HIOMAP_E_PROTOCOL_RESET
+#define MBOX_ATTN_BMC_WINDOW_RESET HIOMAP_E_WINDOW_RESET
+#define MBOX_ATTN_BMC_FLASH_LOST HIOMAP_E_FLASH_LOST
+#define MBOX_ATTN_BMC_DAEMON_READY HIOMAP_E_DAEMON_READY
+
+/* Default poll interval before interrupts are working */
+#define MBOX_DEFAULT_POLL_MS 200
+
+struct bmc_mbox_msg {
+ uint8_t command;
+ uint8_t seq;
+ uint8_t args[BMC_MBOX_ARGS_REGS];
+ uint8_t response;
+ uint8_t host;
+ uint8_t bmc;
+};
+
+int bmc_mbox_enqueue(struct bmc_mbox_msg *msg, unsigned int timeout_sec);
+int bmc_mbox_register_callback(void (*callback)(struct bmc_mbox_msg *msg, void *priv),
+ void *drv_data);
+int bmc_mbox_register_attn(void (*callback)(uint8_t bits, void *priv),
+ void *drv_data);
+uint8_t bmc_mbox_get_attn_reg(void);
+#endif /* __LPC_MBOX_H */