4eb471258b
Use char-fe to handle console sbi call, which implement early console io while apply 'earlycon=sbi' into kernel parameters. Signed-off-by: Yifei Jiang <jiangyifei@huawei.com> Signed-off-by: Mingwang Li <limingwang@huawei.com> Reviewed-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220112081329.1835-9-jiangyifei@huawei.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
|
|
*
|
|
* Authors:
|
|
* Anup Patel <anup.patel@wdc.com>
|
|
*/
|
|
|
|
#ifndef __SBI_ECALL_INTERFACE_H__
|
|
#define __SBI_ECALL_INTERFACE_H__
|
|
|
|
/* clang-format off */
|
|
|
|
/* SBI Extension IDs */
|
|
#define SBI_EXT_0_1_SET_TIMER 0x0
|
|
#define SBI_EXT_0_1_CONSOLE_PUTCHAR 0x1
|
|
#define SBI_EXT_0_1_CONSOLE_GETCHAR 0x2
|
|
#define SBI_EXT_0_1_CLEAR_IPI 0x3
|
|
#define SBI_EXT_0_1_SEND_IPI 0x4
|
|
#define SBI_EXT_0_1_REMOTE_FENCE_I 0x5
|
|
#define SBI_EXT_0_1_REMOTE_SFENCE_VMA 0x6
|
|
#define SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID 0x7
|
|
#define SBI_EXT_0_1_SHUTDOWN 0x8
|
|
#define SBI_EXT_BASE 0x10
|
|
#define SBI_EXT_TIME 0x54494D45
|
|
#define SBI_EXT_IPI 0x735049
|
|
#define SBI_EXT_RFENCE 0x52464E43
|
|
#define SBI_EXT_HSM 0x48534D
|
|
|
|
/* SBI function IDs for BASE extension*/
|
|
#define SBI_EXT_BASE_GET_SPEC_VERSION 0x0
|
|
#define SBI_EXT_BASE_GET_IMP_ID 0x1
|
|
#define SBI_EXT_BASE_GET_IMP_VERSION 0x2
|
|
#define SBI_EXT_BASE_PROBE_EXT 0x3
|
|
#define SBI_EXT_BASE_GET_MVENDORID 0x4
|
|
#define SBI_EXT_BASE_GET_MARCHID 0x5
|
|
#define SBI_EXT_BASE_GET_MIMPID 0x6
|
|
|
|
/* SBI function IDs for TIME extension*/
|
|
#define SBI_EXT_TIME_SET_TIMER 0x0
|
|
|
|
/* SBI function IDs for IPI extension*/
|
|
#define SBI_EXT_IPI_SEND_IPI 0x0
|
|
|
|
/* SBI function IDs for RFENCE extension*/
|
|
#define SBI_EXT_RFENCE_REMOTE_FENCE_I 0x0
|
|
#define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA 0x1
|
|
#define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID 0x2
|
|
#define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA 0x3
|
|
#define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID 0x4
|
|
#define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA 0x5
|
|
#define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID 0x6
|
|
|
|
/* SBI function IDs for HSM extension */
|
|
#define SBI_EXT_HSM_HART_START 0x0
|
|
#define SBI_EXT_HSM_HART_STOP 0x1
|
|
#define SBI_EXT_HSM_HART_GET_STATUS 0x2
|
|
|
|
#define SBI_HSM_HART_STATUS_STARTED 0x0
|
|
#define SBI_HSM_HART_STATUS_STOPPED 0x1
|
|
#define SBI_HSM_HART_STATUS_START_PENDING 0x2
|
|
#define SBI_HSM_HART_STATUS_STOP_PENDING 0x3
|
|
|
|
#define SBI_SPEC_VERSION_MAJOR_OFFSET 24
|
|
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
|
|
#define SBI_SPEC_VERSION_MINOR_MASK 0xffffff
|
|
#define SBI_EXT_VENDOR_START 0x09000000
|
|
#define SBI_EXT_VENDOR_END 0x09FFFFFF
|
|
/* clang-format on */
|
|
|
|
#endif
|