forked from Minki/linux
104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019, Mellanox Technologies. All rights reserved.
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*/
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#ifndef __MLXBF_BOOTCTL_H__
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#define __MLXBF_BOOTCTL_H__
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/*
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* Request that the on-chip watchdog be enabled, or disabled, after
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* the next chip soft reset. This call does not affect the current
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* status of the on-chip watchdog. If non-zero, the argument
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* specifies the watchdog interval in seconds. If zero, the watchdog
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* will not be enabled after the next soft reset. Non-zero errors are
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* returned as documented below.
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*/
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#define MLXBF_BOOTCTL_SET_POST_RESET_WDOG 0x82000000
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/*
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* Query the status which has been requested for the on-chip watchdog
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* after the next chip soft reset. Returns the interval as set by
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* MLXBF_BOOTCTL_SET_POST_RESET_WDOG.
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*/
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#define MLXBF_BOOTCTL_GET_POST_RESET_WDOG 0x82000001
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/*
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* Request that a specific boot action be taken at the next soft
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* reset. By default, the boot action is set by external chip pins,
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* which are sampled on hard reset. Note that the boot action
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* requested by this call will persist on subsequent resets unless
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* this service, or the MLNX_SET_SECOND_RESET_ACTION service, is
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* invoked. See below for the available MLNX_BOOT_xxx parameter
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* values. Non-zero errors are returned as documented below.
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*/
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#define MLXBF_BOOTCTL_SET_RESET_ACTION 0x82000002
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/*
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* Return the specific boot action which will be taken at the next
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* soft reset. Returns the reset action (see below for the parameter
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* values for MLXBF_BOOTCTL_SET_RESET_ACTION).
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*/
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#define MLXBF_BOOTCTL_GET_RESET_ACTION 0x82000003
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/*
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* Request that a specific boot action be taken at the soft reset
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* after the next soft reset. For a specified valid boot mode, the
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* effect of this call is identical to that of invoking
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* MLXBF_BOOTCTL_SET_RESET_ACTION after the next chip soft reset; in
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* particular, after that reset, the action for the now next reset can
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* be queried with MLXBF_BOOTCTL_GET_RESET_ACTION and modified with
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* MLXBF_BOOTCTL_SET_RESET_ACTION. You may also specify the parameter as
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* MLNX_BOOT_NONE, which is equivalent to specifying that no call to
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* MLXBF_BOOTCTL_SET_RESET_ACTION be taken after the next chip soft reset.
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* This call does not affect the action to be taken at the next soft
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* reset. Non-zero errors are returned as documented below.
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*/
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#define MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION 0x82000004
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/*
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* Return the specific boot action which will be taken at the soft
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* reset after the next soft reset; this will be one of the valid
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* actions for MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION.
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*/
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#define MLXBF_BOOTCTL_GET_SECOND_RESET_ACTION 0x82000005
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/*
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* Return the fuse status of the current chip. The caller should specify
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* with the second argument if the state of the lifecycle fuses or the
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* version of secure boot fuse keys left should be returned.
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*/
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#define MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS 0x82000006
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/* Reset eMMC by programming the RST_N register. */
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#define MLXBF_BOOTCTL_SET_EMMC_RST_N 0x82000007
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#define MLXBF_BOOTCTL_GET_DIMM_INFO 0x82000008
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/* SMC function IDs for SiP Service queries */
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#define MLXBF_BOOTCTL_SIP_SVC_CALL_COUNT 0x8200ff00
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#define MLXBF_BOOTCTL_SIP_SVC_UID 0x8200ff01
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#define MLXBF_BOOTCTL_SIP_SVC_VERSION 0x8200ff03
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/* ARM Standard Service Calls version numbers */
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#define MLXBF_BOOTCTL_SVC_VERSION_MAJOR 0x0
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#define MLXBF_BOOTCTL_SVC_VERSION_MINOR 0x2
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/* Number of svc calls defined. */
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#define MLXBF_BOOTCTL_NUM_SVC_CALLS 12
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/* Valid reset actions for MLXBF_BOOTCTL_SET_RESET_ACTION. */
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#define MLXBF_BOOTCTL_EXTERNAL 0 /* Not boot from eMMC */
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#define MLXBF_BOOTCTL_EMMC 1 /* From primary eMMC boot partition */
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#define MLNX_BOOTCTL_SWAP_EMMC 2 /* Swap eMMC boot partitions and reboot */
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#define MLXBF_BOOTCTL_EMMC_LEGACY 3 /* From primary eMMC in legacy mode */
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/* Valid arguments for requesting the fuse status. */
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#define MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE 0 /* Return lifecycle status. */
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#define MLXBF_BOOTCTL_FUSE_STATUS_KEYS 1 /* Return secure boot key status */
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/* Additional value to disable the MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. */
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#define MLXBF_BOOTCTL_NONE 0x7fffffff /* Don't change next boot action */
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#endif /* __MLXBF_BOOTCTL_H__ */
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