1 /*- 2 * Copyright (c) 2015 Nathan Whitehorn 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _POWERNV_OPAL_H 30 #define _POWERNV_OPAL_H 31 32 #include <sys/cdefs.h> 33 #include <sys/types.h> 34 35 /* Check if OPAL is correctly instantiated. Will try to instantiate it. */ 36 int opal_check(void); 37 38 /* Call an OPAL method. Any pointers passed must be real-mode accessible! */ 39 int opal_call(uint64_t token, ...); 40 41 #define OPAL_CONSOLE_WRITE 1 42 #define OPAL_CONSOLE_READ 2 43 #define OPAL_RTC_READ 3 44 #define OPAL_RTC_WRITE 4 45 #define OPAL_CEC_POWER_DOWN 5 46 #define OPAL_CEC_REBOOT 6 47 #define OPAL_HANDLE_INTERRUPT 9 48 #define OPAL_POLL_EVENTS 10 49 #define OPAL_PCI_CONFIG_READ_BYTE 13 50 #define OPAL_PCI_CONFIG_READ_HALF_WORD 14 51 #define OPAL_PCI_CONFIG_READ_WORD 15 52 #define OPAL_PCI_CONFIG_WRITE_BYTE 16 53 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD 17 54 #define OPAL_PCI_CONFIG_WRITE_WORD 18 55 #define OPAL_PCI_EEH_FREEZE_CLEAR 26 56 #define OPAL_PCI_PHB_MMIO_ENABLE 27 57 #define OPAL_PCI_SET_PHB_MEM_WINDOW 28 58 #define OPAL_PCI_MAP_PE_MMIO_WINDOW 29 59 #define OPAL_PCI_SET_XIVE_PE 37 60 #define OPAL_PCI_RESET 49 61 #define OPAL_PCI_POLL 62 62 #define OPAL_SET_XIVE 19 63 #define OPAL_GET_XIVE 20 64 #define OPAL_PCI_SET_PE 31 65 #define OPAL_GET_MSI_32 39 66 #define OPAL_GET_MSI_64 40 67 #define OPAL_PCI_MSI_EOI 63 68 #define OPAL_PCI_GET_PHB_DIAG_DATA2 64 69 #define OPAL_START_CPU 41 70 #define OPAL_PCI_MAP_PE_DMA_WINDOW 44 71 #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL 45 72 #define OPAL_RETURN_CPU 69 73 #define OPAL_REINIT_CPUS 70 74 #define OPAL_CHECK_ASYNC_COMPLETION 86 75 #define OPAL_I2C_REQUEST 109 76 #define OPAL_PCI_TCE_KILL 126 77 78 /* For OPAL_PCI_SET_PE */ 79 #define OPAL_UNMAP_PE 0 80 #define OPAL_MAP_PE 1 81 82 #define OPAL_SUCCESS 0 83 #define OPAL_PARAMETER -1 84 #define OPAL_BUSY -2 85 #define OPAL_CLOSED -5 86 #define OPAL_BUSY_EVENT -12 87 #define OPAL_ASYNC_COMPLETION -15 88 89 struct opal_msg { 90 uint32_t msg_type; 91 uint32_t reserved; 92 uint64_t params[8]; 93 }; 94 95 enum opal_msg_type { 96 OPAL_MSG_ASYNC_COMP = 0, 97 OPAL_MSG_MEM_ERR = 1, 98 OPAL_MSG_EPOW = 2, 99 OPAL_MSG_SHUTDOWN = 3, 100 OPAL_MSG_HMI_EVT = 4, 101 OPAL_MSG_DPO = 5, 102 OPAL_MSG_PRD = 6, 103 OPAL_MSG_OCC = 7, 104 OPAL_MSG_TYPE_MAX, 105 }; 106 107 #endif 108