1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2019, Mellanox Technologies. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __MLXBF_BOOTCTL_H__ 7*4882a593Smuzhiyun #define __MLXBF_BOOTCTL_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * Request that the on-chip watchdog be enabled, or disabled, after 11*4882a593Smuzhiyun * the next chip soft reset. This call does not affect the current 12*4882a593Smuzhiyun * status of the on-chip watchdog. If non-zero, the argument 13*4882a593Smuzhiyun * specifies the watchdog interval in seconds. If zero, the watchdog 14*4882a593Smuzhiyun * will not be enabled after the next soft reset. Non-zero errors are 15*4882a593Smuzhiyun * returned as documented below. 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SET_POST_RESET_WDOG 0x82000000 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * Query the status which has been requested for the on-chip watchdog 21*4882a593Smuzhiyun * after the next chip soft reset. Returns the interval as set by 22*4882a593Smuzhiyun * MLXBF_BOOTCTL_SET_POST_RESET_WDOG. 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun #define MLXBF_BOOTCTL_GET_POST_RESET_WDOG 0x82000001 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* 27*4882a593Smuzhiyun * Request that a specific boot action be taken at the next soft 28*4882a593Smuzhiyun * reset. By default, the boot action is set by external chip pins, 29*4882a593Smuzhiyun * which are sampled on hard reset. Note that the boot action 30*4882a593Smuzhiyun * requested by this call will persist on subsequent resets unless 31*4882a593Smuzhiyun * this service, or the MLNX_SET_SECOND_RESET_ACTION service, is 32*4882a593Smuzhiyun * invoked. See below for the available MLNX_BOOT_xxx parameter 33*4882a593Smuzhiyun * values. Non-zero errors are returned as documented below. 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SET_RESET_ACTION 0x82000002 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* 38*4882a593Smuzhiyun * Return the specific boot action which will be taken at the next 39*4882a593Smuzhiyun * soft reset. Returns the reset action (see below for the parameter 40*4882a593Smuzhiyun * values for MLXBF_BOOTCTL_SET_RESET_ACTION). 41*4882a593Smuzhiyun */ 42*4882a593Smuzhiyun #define MLXBF_BOOTCTL_GET_RESET_ACTION 0x82000003 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* 45*4882a593Smuzhiyun * Request that a specific boot action be taken at the soft reset 46*4882a593Smuzhiyun * after the next soft reset. For a specified valid boot mode, the 47*4882a593Smuzhiyun * effect of this call is identical to that of invoking 48*4882a593Smuzhiyun * MLXBF_BOOTCTL_SET_RESET_ACTION after the next chip soft reset; in 49*4882a593Smuzhiyun * particular, after that reset, the action for the now next reset can 50*4882a593Smuzhiyun * be queried with MLXBF_BOOTCTL_GET_RESET_ACTION and modified with 51*4882a593Smuzhiyun * MLXBF_BOOTCTL_SET_RESET_ACTION. You may also specify the parameter as 52*4882a593Smuzhiyun * MLNX_BOOT_NONE, which is equivalent to specifying that no call to 53*4882a593Smuzhiyun * MLXBF_BOOTCTL_SET_RESET_ACTION be taken after the next chip soft reset. 54*4882a593Smuzhiyun * This call does not affect the action to be taken at the next soft 55*4882a593Smuzhiyun * reset. Non-zero errors are returned as documented below. 56*4882a593Smuzhiyun */ 57*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION 0x82000004 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun /* 60*4882a593Smuzhiyun * Return the specific boot action which will be taken at the soft 61*4882a593Smuzhiyun * reset after the next soft reset; this will be one of the valid 62*4882a593Smuzhiyun * actions for MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. 63*4882a593Smuzhiyun */ 64*4882a593Smuzhiyun #define MLXBF_BOOTCTL_GET_SECOND_RESET_ACTION 0x82000005 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun /* 67*4882a593Smuzhiyun * Return the fuse status of the current chip. The caller should specify 68*4882a593Smuzhiyun * with the second argument if the state of the lifecycle fuses or the 69*4882a593Smuzhiyun * version of secure boot fuse keys left should be returned. 70*4882a593Smuzhiyun */ 71*4882a593Smuzhiyun #define MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS 0x82000006 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun /* Reset eMMC by programming the RST_N register. */ 74*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SET_EMMC_RST_N 0x82000007 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun #define MLXBF_BOOTCTL_GET_DIMM_INFO 0x82000008 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun /* SMC function IDs for SiP Service queries */ 79*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SIP_SVC_CALL_COUNT 0x8200ff00 80*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SIP_SVC_UID 0x8200ff01 81*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SIP_SVC_VERSION 0x8200ff03 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun /* ARM Standard Service Calls version numbers */ 84*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SVC_VERSION_MAJOR 0x0 85*4882a593Smuzhiyun #define MLXBF_BOOTCTL_SVC_VERSION_MINOR 0x2 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun /* Number of svc calls defined. */ 88*4882a593Smuzhiyun #define MLXBF_BOOTCTL_NUM_SVC_CALLS 12 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun /* Valid reset actions for MLXBF_BOOTCTL_SET_RESET_ACTION. */ 91*4882a593Smuzhiyun #define MLXBF_BOOTCTL_EXTERNAL 0 /* Not boot from eMMC */ 92*4882a593Smuzhiyun #define MLXBF_BOOTCTL_EMMC 1 /* From primary eMMC boot partition */ 93*4882a593Smuzhiyun #define MLNX_BOOTCTL_SWAP_EMMC 2 /* Swap eMMC boot partitions and reboot */ 94*4882a593Smuzhiyun #define MLXBF_BOOTCTL_EMMC_LEGACY 3 /* From primary eMMC in legacy mode */ 95*4882a593Smuzhiyun 96*4882a593Smuzhiyun /* Valid arguments for requesting the fuse status. */ 97*4882a593Smuzhiyun #define MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE 0 /* Return lifecycle status. */ 98*4882a593Smuzhiyun #define MLXBF_BOOTCTL_FUSE_STATUS_KEYS 1 /* Return secure boot key status */ 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun /* Additional value to disable the MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. */ 101*4882a593Smuzhiyun #define MLXBF_BOOTCTL_NONE 0x7fffffff /* Don't change next boot action */ 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun #endif /* __MLXBF_BOOTCTL_H__ */ 104