diff options
Diffstat (limited to 'driver/sb_rmi.h')
| -rw-r--r-- | driver/sb_rmi.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/driver/sb_rmi.h b/driver/sb_rmi.h new file mode 100644 index 0000000000..132af0e70a --- /dev/null +++ b/driver/sb_rmi.h @@ -0,0 +1,58 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/* AMD SB-RMI (Side-band Remote Management Interface) Driver */ + +#ifndef __CROS_EC_SB_RMI_H +#define __CROS_EC_SB_RMI_H + +#include "common.h" + +#define SB_RMI_OUT_BND_MSG0_REG 0x30 +#define SB_RMI_OUT_BND_MSG1_REG 0x31 +#define SB_RMI_OUT_BND_MSG2_REG 0x32 +#define SB_RMI_OUT_BND_MSG3_REG 0x33 +#define SB_RMI_OUT_BND_MSG4_REG 0x34 +#define SB_RMI_OUT_BND_MSG5_REG 0x35 +#define SB_RMI_OUT_BND_MSG6_REG 0x36 +#define SB_RMI_OUT_BND_MSG7_REG 0x37 + +#define SB_RMI_IN_BND_MSG0_REG 0x38 +#define SB_RMI_IN_BND_MSG1_REG 0x39 +#define SB_RMI_IN_BND_MSG2_REG 0x3a +#define SB_RMI_IN_BND_MSG3_REG 0x3b +#define SB_RMI_IN_BND_MSG4_REG 0x3c +#define SB_RMI_IN_BND_MSG5_REG 0x3d +#define SB_RMI_IN_BND_MSG6_REG 0x3e +#define SB_RMI_IN_BND_MSG7_REG 0x3f + +#define SB_RMI_SW_INTR_REG 0x40 +#define SB_RMI_STATUS_REG 0x02 + +#define SB_RMI_WRITE_STT_SENSOR_CMD 0x3A + +#define SB_RMI_MAILBOX_SUCCESS 0x0 +#define SB_RMI_MAILBOX_ERROR_ABORTED 0x1 +#define SB_RMI_MAILBOX_ERROR_UNKNOWN_CMD 0x2 +#define SB_RMI_MAILBOX_ERROR_INVALID_CORE 0x3 + +/* Socket ID 0 */ +#define SB_RMI_I2C_ADDR_FLAGS0 0x3c +/* Socket ID 1 */ +#define SB_RMI_I2C_ADDR_FLAGS1 0x30 + +/** + * Execute a SB-RMI mailbox transaction + * + * cmd: + * See "SB-RMI Soft Mailbox Message" table in PPR for command id + * msg_in: + * Message In buffer + * msg_out: + * Message Out buffer + */ +int sb_rmi_mailbox_xfer(int cmd, uint32_t msg_in, uint32_t *msg_out_ptr); + +#endif /* __CROS_EC_SB_RMI_H */ |