1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2007, Juniper Networks, Inc. 5 * Copyright (c) 2012-2013, SRI International 6 * All rights reserved. 7 * 8 * Portions of this software were developed by SRI International and the 9 * University of Cambridge Computer Laboratory under DARPA/AFRL contract 10 * (FA8750-10-C-0237) ("CTSRD"), as part of the DARPA CRASH research 11 * programme. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the author nor the names of any co-contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 31 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 32 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifndef _DEV_CFI_VAR_H_ 39 #define _DEV_CFI_VAR_H_ 40 41 enum cfi_wait_cmd { 42 CFI_TIMEOUT_ERASE, 43 CFI_TIMEOUT_WRITE, 44 CFI_TIMEOUT_BUFWRITE 45 }; 46 47 struct cfi_region { 48 u_int r_blocks; 49 u_int r_blksz; 50 }; 51 52 struct cfi_softc { 53 device_t sc_dev; 54 55 struct resource *sc_res; 56 bus_space_handle_t sc_handle; 57 bus_space_tag_t sc_tag; 58 int sc_rid; 59 60 u_int sc_size; /* Flash size. */ 61 u_int sc_width; /* Interface width. */ 62 u_int sc_regions; /* Erase regions. */ 63 struct cfi_region *sc_region; /* Array of region info. */ 64 65 u_int sc_cmdset; 66 sbintime_t sc_typical_timeouts[3]; 67 sbintime_t sc_max_timeouts[3]; 68 u_int sc_tto_counts[3]; 69 u_int sc_mto_counts[3]; 70 71 u_int sc_maxbuf; 72 73 struct cdev *sc_nod; 74 struct proc *sc_opened; /* Process that has us opened. */ 75 76 u_char *sc_wrbuf; 77 u_char *sc_wrbufcpy; 78 u_int sc_wrbufsz; 79 u_int sc_wrofs; 80 u_int sc_writing; 81 82 u_int sc_manid; 83 u_int sc_devid; 84 }; 85 86 extern char cfi_driver_name[]; 87 88 int cfi_probe(device_t); 89 int cfi_attach(device_t); 90 int cfi_detach(device_t); 91 92 uint32_t cfi_read_raw(struct cfi_softc *, u_int); 93 uint32_t cfi_read(struct cfi_softc *, u_int); 94 uint8_t cfi_read_qry(struct cfi_softc *, u_int); 95 int cfi_write_block(struct cfi_softc *); 96 int cfi_block_start(struct cfi_softc *, u_int); 97 int cfi_block_finish(struct cfi_softc *); 98 99 #ifdef CFI_SUPPORT_STRATAFLASH 100 int cfi_intel_get_factory_pr(struct cfi_softc *sc, uint64_t *); 101 int cfi_intel_get_oem_pr(struct cfi_softc *sc, uint64_t *); 102 int cfi_intel_set_oem_pr(struct cfi_softc *sc, uint64_t); 103 int cfi_intel_get_plr(struct cfi_softc *sc, uint32_t *); 104 int cfi_intel_set_plr(struct cfi_softc *sc); 105 #endif /* CFI_SUPPORT_STRATAFLASH */ 106 #endif /* _DEV_CFI_VAR_H_ */ 107