| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2019, Mellanox Technologies. All rights reserved. |
| */ |
| |
| #ifndef __MLXBF_BOOTCTL_H__ |
| #define __MLXBF_BOOTCTL_H__ |
| |
| /* |
| * Request that the on-chip watchdog be enabled, or disabled, after |
| * the next chip soft reset. This call does not affect the current |
| * status of the on-chip watchdog. If non-zero, the argument |
| * specifies the watchdog interval in seconds. If zero, the watchdog |
| * will not be enabled after the next soft reset. Non-zero errors are |
| * returned as documented below. |
| */ |
| #define MLXBF_BOOTCTL_SET_POST_RESET_WDOG 0x82000000 |
| |
| /* |
| * Query the status which has been requested for the on-chip watchdog |
| * after the next chip soft reset. Returns the interval as set by |
| * MLXBF_BOOTCTL_SET_POST_RESET_WDOG. |
| */ |
| #define MLXBF_BOOTCTL_GET_POST_RESET_WDOG 0x82000001 |
| |
| /* |
| * Request that a specific boot action be taken at the next soft |
| * reset. By default, the boot action is set by external chip pins, |
| * which are sampled on hard reset. Note that the boot action |
| * requested by this call will persist on subsequent resets unless |
| * this service, or the MLNX_SET_SECOND_RESET_ACTION service, is |
| * invoked. See below for the available MLNX_BOOT_xxx parameter |
| * values. Non-zero errors are returned as documented below. |
| */ |
| #define MLXBF_BOOTCTL_SET_RESET_ACTION 0x82000002 |
| |
| /* |
| * Return the specific boot action which will be taken at the next |
| * soft reset. Returns the reset action (see below for the parameter |
| * values for MLXBF_BOOTCTL_SET_RESET_ACTION). |
| */ |
| #define MLXBF_BOOTCTL_GET_RESET_ACTION 0x82000003 |
| |
| /* |
| * Request that a specific boot action be taken at the soft reset |
| * after the next soft reset. For a specified valid boot mode, the |
| * effect of this call is identical to that of invoking |
| * MLXBF_BOOTCTL_SET_RESET_ACTION after the next chip soft reset; in |
| * particular, after that reset, the action for the now next reset can |
| * be queried with MLXBF_BOOTCTL_GET_RESET_ACTION and modified with |
| * MLXBF_BOOTCTL_SET_RESET_ACTION. You may also specify the parameter as |
| * MLNX_BOOT_NONE, which is equivalent to specifying that no call to |
| * MLXBF_BOOTCTL_SET_RESET_ACTION be taken after the next chip soft reset. |
| * This call does not affect the action to be taken at the next soft |
| * reset. Non-zero errors are returned as documented below. |
| */ |
| #define MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION 0x82000004 |
| |
| /* |
| * Return the specific boot action which will be taken at the soft |
| * reset after the next soft reset; this will be one of the valid |
| * actions for MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. |
| */ |
| #define MLXBF_BOOTCTL_GET_SECOND_RESET_ACTION 0x82000005 |
| |
| /* |
| * Return the fuse status of the current chip. The caller should specify |
| * with the second argument if the state of the lifecycle fuses or the |
| * version of secure boot fuse keys left should be returned. |
| */ |
| #define MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS 0x82000006 |
| |
| /* Reset eMMC by programming the RST_N register. */ |
| #define MLXBF_BOOTCTL_SET_EMMC_RST_N 0x82000007 |
| |
| #define MLXBF_BOOTCTL_GET_DIMM_INFO 0x82000008 |
| |
| /* |
| * Initiate Firmware Reset via TYU. This might be invoked during the reset |
| * flow in isolation mode. |
| */ |
| #define MLXBF_BOOTCTL_FW_RESET 0x8200000D |
| |
| /* SMC function IDs for SiP Service queries */ |
| #define MLXBF_BOOTCTL_SIP_SVC_CALL_COUNT 0x8200ff00 |
| #define MLXBF_BOOTCTL_SIP_SVC_UID 0x8200ff01 |
| #define MLXBF_BOOTCTL_SIP_SVC_VERSION 0x8200ff03 |
| |
| /* ARM Standard Service Calls version numbers */ |
| #define MLXBF_BOOTCTL_SVC_VERSION_MAJOR 0x0 |
| #define MLXBF_BOOTCTL_SVC_VERSION_MINOR 0x2 |
| |
| /* Number of svc calls defined. */ |
| #define MLXBF_BOOTCTL_NUM_SVC_CALLS 12 |
| |
| /* Valid reset actions for MLXBF_BOOTCTL_SET_RESET_ACTION. */ |
| #define MLXBF_BOOTCTL_EXTERNAL 0 /* Not boot from eMMC */ |
| #define MLXBF_BOOTCTL_EMMC 1 /* From primary eMMC boot partition */ |
| #define MLNX_BOOTCTL_SWAP_EMMC 2 /* Swap eMMC boot partitions and reboot */ |
| #define MLXBF_BOOTCTL_EMMC_LEGACY 3 /* From primary eMMC in legacy mode */ |
| |
| /* Valid arguments for requesting the fuse status. */ |
| #define MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE 0 /* Return lifecycle status. */ |
| #define MLXBF_BOOTCTL_FUSE_STATUS_KEYS 1 /* Return secure boot key status */ |
| |
| /* Additional value to disable the MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. */ |
| #define MLXBF_BOOTCTL_NONE 0x7fffffff /* Don't change next boot action */ |
| |
| #endif /* __MLXBF_BOOTCTL_H__ */ |
