| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright (c) 2019, Mellanox Technologies. All rights reserved. |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __MLXBF_BOOTCTL_H__ |
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| 7 | #define __MLXBF_BOOTCTL_H__ |
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| 8 | |
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| 9 | /* |
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| 10 | * Request that the on-chip watchdog be enabled, or disabled, after |
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| 11 | * the next chip soft reset. This call does not affect the current |
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| 12 | * status of the on-chip watchdog. If non-zero, the argument |
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| 13 | * specifies the watchdog interval in seconds. If zero, the watchdog |
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| 14 | * will not be enabled after the next soft reset. Non-zero errors are |
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| 15 | * returned as documented below. |
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| 16 | */ |
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| 17 | #define MLXBF_BOOTCTL_SET_POST_RESET_WDOG 0x82000000 |
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| 18 | |
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| 19 | /* |
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| 20 | * Query the status which has been requested for the on-chip watchdog |
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| 21 | * after the next chip soft reset. Returns the interval as set by |
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| 22 | * MLXBF_BOOTCTL_SET_POST_RESET_WDOG. |
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| 23 | */ |
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| 24 | #define MLXBF_BOOTCTL_GET_POST_RESET_WDOG 0x82000001 |
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| 25 | |
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| 26 | /* |
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| 27 | * Request that a specific boot action be taken at the next soft |
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| 28 | * reset. By default, the boot action is set by external chip pins, |
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| 29 | * which are sampled on hard reset. Note that the boot action |
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| 30 | * requested by this call will persist on subsequent resets unless |
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| 31 | * this service, or the MLNX_SET_SECOND_RESET_ACTION service, is |
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| 32 | * invoked. See below for the available MLNX_BOOT_xxx parameter |
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| 33 | * values. Non-zero errors are returned as documented below. |
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| 34 | */ |
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| 35 | #define MLXBF_BOOTCTL_SET_RESET_ACTION 0x82000002 |
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| 36 | |
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| 37 | /* |
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| 38 | * Return the specific boot action which will be taken at the next |
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| 39 | * soft reset. Returns the reset action (see below for the parameter |
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| 40 | * values for MLXBF_BOOTCTL_SET_RESET_ACTION). |
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| 41 | */ |
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| 42 | #define MLXBF_BOOTCTL_GET_RESET_ACTION 0x82000003 |
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| 43 | |
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| 44 | /* |
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| 45 | * Request that a specific boot action be taken at the soft reset |
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| 46 | * after the next soft reset. For a specified valid boot mode, the |
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| 47 | * effect of this call is identical to that of invoking |
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| 48 | * MLXBF_BOOTCTL_SET_RESET_ACTION after the next chip soft reset; in |
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| 49 | * particular, after that reset, the action for the now next reset can |
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| 50 | * be queried with MLXBF_BOOTCTL_GET_RESET_ACTION and modified with |
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| 51 | * MLXBF_BOOTCTL_SET_RESET_ACTION. You may also specify the parameter as |
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| 52 | * MLNX_BOOT_NONE, which is equivalent to specifying that no call to |
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| 53 | * MLXBF_BOOTCTL_SET_RESET_ACTION be taken after the next chip soft reset. |
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| 54 | * This call does not affect the action to be taken at the next soft |
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| 55 | * reset. Non-zero errors are returned as documented below. |
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| 56 | */ |
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| 57 | #define MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION 0x82000004 |
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| 58 | |
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| 59 | /* |
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| 60 | * Return the specific boot action which will be taken at the soft |
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| 61 | * reset after the next soft reset; this will be one of the valid |
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| 62 | * actions for MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. |
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| 63 | */ |
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| 64 | #define MLXBF_BOOTCTL_GET_SECOND_RESET_ACTION 0x82000005 |
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| 65 | |
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| 66 | /* |
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| 67 | * Return the fuse status of the current chip. The caller should specify |
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| 68 | * with the second argument if the state of the lifecycle fuses or the |
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| 69 | * version of secure boot fuse keys left should be returned. |
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| 70 | */ |
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| 71 | #define MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS 0x82000006 |
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| 72 | |
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| 73 | /* Reset eMMC by programming the RST_N register. */ |
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| 74 | #define MLXBF_BOOTCTL_SET_EMMC_RST_N 0x82000007 |
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| 75 | |
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| 76 | #define MLXBF_BOOTCTL_GET_DIMM_INFO 0x82000008 |
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| 77 | |
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| 78 | /* |
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| 79 | * Initiate Firmware Reset via TYU. This might be invoked during the reset |
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| 80 | * flow in isolation mode. |
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| 81 | */ |
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| 82 | #define MLXBF_BOOTCTL_FW_RESET 0x8200000D |
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| 83 | |
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| 84 | /* |
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| 85 | * SMC function IDs to set, get and lock the manufacturing information |
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| 86 | * stored within the eeprom. |
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| 87 | */ |
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| 88 | #define MLXBF_BOOTCTL_SET_MFG_INFO 0x8200000E |
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| 89 | #define MLXBF_BOOTCTL_GET_MFG_INFO 0x8200000F |
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| 90 | #define MLXBF_BOOTCTL_LOCK_MFG_INFO 0x82000011 |
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| 91 | |
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| 92 | /* |
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| 93 | * SMC function IDs to set and get the large ICM carveout size |
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| 94 | * stored in the eeprom. |
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| 95 | */ |
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| 96 | #define MLNX_HANDLE_SET_ICM_INFO 0x82000012 |
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| 97 | #define MLNX_HANDLE_GET_ICM_INFO 0x82000013 |
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| 98 | |
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| 99 | #define MAX_ICM_BUFFER_SIZE 10 |
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| 100 | |
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| 101 | /* |
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| 102 | * SMC function ID to set the ARM boot state to up |
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| 103 | */ |
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| 104 | #define MLNX_HANDLE_OS_UP 0x82000014 |
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| 105 | |
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| 106 | /* SMC function IDs for SiP Service queries */ |
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| 107 | #define MLXBF_BOOTCTL_SIP_SVC_CALL_COUNT 0x8200ff00 |
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| 108 | #define MLXBF_BOOTCTL_SIP_SVC_UID 0x8200ff01 |
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| 109 | #define MLXBF_BOOTCTL_SIP_SVC_VERSION 0x8200ff03 |
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| 110 | |
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| 111 | /* ARM Standard Service Calls version numbers */ |
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| 112 | #define MLXBF_BOOTCTL_SVC_VERSION_MAJOR 0x0 |
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| 113 | #define MLXBF_BOOTCTL_SVC_VERSION_MINOR 0x2 |
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| 114 | |
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| 115 | /* Number of svc calls defined. */ |
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| 116 | #define MLXBF_BOOTCTL_NUM_SVC_CALLS 12 |
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| 117 | |
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| 118 | /* Valid reset actions for MLXBF_BOOTCTL_SET_RESET_ACTION. */ |
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| 119 | #define MLXBF_BOOTCTL_EXTERNAL 0 /* Not boot from eMMC */ |
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| 120 | #define MLXBF_BOOTCTL_EMMC 1 /* From primary eMMC boot partition */ |
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| 121 | #define MLNX_BOOTCTL_SWAP_EMMC 2 /* Swap eMMC boot partitions and reboot */ |
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| 122 | #define MLXBF_BOOTCTL_EMMC_LEGACY 3 /* From primary eMMC in legacy mode */ |
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| 123 | |
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| 124 | /* Valid arguments for requesting the fuse status. */ |
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| 125 | #define MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE 0 /* Return lifecycle status. */ |
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| 126 | #define MLXBF_BOOTCTL_FUSE_STATUS_KEYS 1 /* Return secure boot key status */ |
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| 127 | |
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| 128 | /* Additional value to disable the MLXBF_BOOTCTL_SET_SECOND_RESET_ACTION. */ |
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| 129 | #define MLXBF_BOOTCTL_NONE 0x7fffffff /* Don't change next boot action */ |
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| 130 | |
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| 131 | #define MLXBF_LARGE_ICMC_MAX_STRING_SIZE 16 |
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| 132 | #define MLXBF_LARGE_ICMC_SIZE_MIN 0x80 |
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| 133 | #define MLXBF_LARGE_ICMC_SIZE_MAX 0x100000 |
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| 134 | #define MLXBF_LARGE_ICMC_GRANULARITY MLXBF_LARGE_ICMC_SIZE_MIN |
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| 135 | |
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| 136 | #endif /* __MLXBF_BOOTCTL_H__ */ |
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| 137 | |
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