diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/include/lpc-mbox.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/include/lpc-mbox.h')
-rw-r--r-- | roms/skiboot/include/lpc-mbox.h | 63 |
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 */ |