1 /*- 2 * SPDX-License-Identifier: ISC 3 * 4 * Copyright (c) 2015 Landon Fuller <landon@landonf.org> 5 * Copyright (c) 2010 Broadcom Corporation 6 * 7 * Portions of this file were derived from the aidmp.h header 8 * distributed with Broadcom's initial brcm80211 Linux driver release, as 9 * contributed to the Linux staging repository. 10 * 11 * Permission to use, copy, modify, and/or distribute this software for any 12 * purpose with or without fee is hereby granted, provided that the above 13 * copyright notice and this permission notice appear in all copies. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 18 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 22 * 23 * $FreeBSD$ 24 */ 25 26 #ifndef _BCMA_BCMA_EROM_REG_H_ 27 #define _BCMA_BCMA_EROM_REG_H_ 28 29 /* Enumeration ROM device registers */ 30 #define BCMA_EROM_TABLE_START 0x000 /**< device enumeration table offset */ 31 #define BCMA_EROM_REMAPCONTROL 0xe00 32 #define BCMA_EROM_REMAPSELECT 0xe04 33 #define BCMA_EROM_MASTERSELECT 0xe10 34 #define BCMA_EROM_ITCR 0xf00 35 #define BCMA_EROM_ITIP 0xf04 36 #define BCMA_EROM_TABLE_SIZE BCMA_EROM_REMAPCONTROL - BCMA_EROM_TABLE_START 37 38 /** 39 * Extract an entry attribute by applying _MASK and _SHIFT defines. 40 * 41 * @param _entry The entry containing the desired attribute 42 * @param _attr The BCMA EROM attribute name (e.g. ENTRY_ISVALID), to be 43 * concatenated with the `BCMA_EROM_` prefix and `_MASK`/`_SHIFT` suffixes. 44 */ 45 #define BCMA_EROM_GET_ATTR(_entry, _attr) \ 46 ((_entry & BCMA_EROM_ ## _attr ## _MASK) \ 47 >> BCMA_EROM_ ## _attr ## _SHIFT) 48 49 /** 50 * Test an EROM entry's validity and type. 51 * 52 * @param _entry The entry to test. 53 * @param _type The required type 54 * @retval true if the entry type matches and the BCMA_EROM_ENTRY_ISVALID flag 55 * is set. 56 * @retval false if the entry is not valid, or if the type does not match. 57 */ 58 #define BCMA_EROM_ENTRY_IS(_entry, _type) \ 59 (BCMA_EROM_GET_ATTR(_entry, ENTRY_ISVALID) && \ 60 BCMA_EROM_GET_ATTR(_entry, ENTRY_TYPE) == BCMA_EROM_ENTRY_TYPE_ ## _type) 61 62 /* 63 * Enumeration ROM Constants 64 */ 65 #define BCMA_EROM_TABLE_EOF 0xF /* end of EROM table */ 66 67 #define BCMA_EROM_ENTRY_ISVALID_MASK 0x1 /* is entry valid? */ 68 #define BCMA_EROM_ENTRY_ISVALID_SHIFT 0 69 70 /* EROM Entry Types */ 71 #define BCMA_EROM_ENTRY_TYPE_MASK 0x6 /* entry type mask */ 72 #define BCMA_EROM_ENTRY_TYPE_SHIFT 0 73 # define BCMA_EROM_ENTRY_TYPE_CORE 0x0 /* core descriptor */ 74 # define BCMA_EROM_ENTRY_TYPE_MPORT 0x2 /* master port descriptor */ 75 # define BCMA_EROM_ENTRY_TYPE_REGION 0x4 /* address region descriptor */ 76 77 /* EROM Core DescriptorA (31:0) */ 78 #define BCMA_EROM_COREA_DESIGNER_MASK 0xFFF00000 /* core designer (JEP-106 mfg id) */ 79 #define BCMA_EROM_COREA_DESIGNER_SHIFT 20 80 #define BCMA_EROM_COREA_ID_MASK 0x000FFF00 /* broadcom-assigned core id */ 81 #define BCMA_EROM_COREA_ID_SHIFT 8 82 #define BCMA_EROM_COREA_CLASS_MASK 0x000000F0 /* core class */ 83 #define BCMA_EROM_COREA_CLASS_SHIFT 4 84 85 /* EROM Core DescriptorB (63:32) */ 86 #define BCMA_EROM_COREB_NUM_MP_MASK 0x000001F0 /* master port count */ 87 #define BCMA_EROM_COREB_NUM_MP_SHIFT 4 88 #define BCMA_EROM_COREB_NUM_DP_MASK 0x00003E00 /* device/bridge port count */ 89 #define BCMA_EROM_COREB_NUM_DP_SHIFT 9 90 #define BCMA_EROM_COREB_NUM_WMP_MASK 0x0007C000 /* master wrapper port count */ 91 #define BCMA_EROM_COREB_NUM_WMP_SHIFT 14 92 #define BCMA_EROM_COREB_NUM_WSP_MASK 0x00F80000 /* slave wrapper port count */ 93 #define BCMA_EROM_COREB_NUM_WSP_SHIFT 19 94 #define BCMA_EROM_COREB_REV_MASK 0xFF000000 /* broadcom-assigned core revision */ 95 #define BCMA_EROM_COREB_REV_SHIFT 24 96 97 /* EROM Master Port Descriptor 98 * 99 * The attribute descriptions are derived from background information 100 * on the AXI bus and PL301 interconnect, but are undocumented 101 * by Broadcom and may be incorrect. 102 */ 103 #define BCMA_EROM_MPORT_NUM_MASK 0x0000FF00 /* AXI master number (unique per interconnect) */ 104 #define BCMA_EROM_MPORT_NUM_SHIFT 8 105 #define BCMA_EROM_MPORT_ID_MASK 0x000000F0 /* AXI master ID (unique per master). */ 106 #define BCMA_EROM_MPORT_ID_SHIFT 4 107 108 /* EROM Slave Port MMIO Region Descriptor */ 109 #define BCMA_EROM_REGION_BASE_MASK 0xFFFFF000 /* region base address */ 110 #define BCMA_EROM_REGION_BASE_SHIFT 0 111 #define BCMA_EROM_REGION_64BIT_MASK 0x00000008 /* base address spans two 32-bit entries */ 112 #define BCMA_EROM_REGION_64BIT_SHIFT 0 113 #define BCMA_EROM_REGION_PORT_MASK 0x00000F00 /* region's associated port */ 114 #define BCMA_EROM_REGION_PORT_SHIFT 8 115 #define BCMA_EROM_REGION_TYPE_MASK 0x000000C0 /* region type */ 116 #define BCMA_EROM_REGION_TYPE_SHIFT 6 117 #define BCMA_EROM_REGION_TYPE_DEVICE 0 /* region maps to a device */ 118 #define BCMA_EROM_REGION_TYPE_BRIDGE 1 /* region maps to a bridge (e.g. AXI2APB) */ 119 #define BCMA_EROM_REGION_TYPE_SWRAP 2 /* region maps to a slave port's DMP agent/wrapper */ 120 #define BCMA_EROM_REGION_TYPE_MWRAP 3 /* region maps to a master port's DMP agent/wrapper */ 121 122 #define BCMA_EROM_REGION_SIZE_MASK 0x00000030 /* region size encoding */ 123 #define BCMA_EROM_REGION_SIZE_SHIFT 4 124 #define BCMA_EROM_REGION_SIZE_4K 0 /* 4K region */ 125 #define BCMA_EROM_REGION_SIZE_8K 1 /* 8K region */ 126 #define BCMA_EROM_REGION_SIZE_16K 2 /* 16K region */ 127 #define BCMA_EROM_REGION_SIZE_OTHER 3 /* defined by an additional size descriptor entry. */ 128 #define BCMA_EROM_REGION_SIZE_BASE 0x1000 129 130 /* Region Size Descriptor */ 131 #define BCMA_EROM_RSIZE_VAL_MASK 0xFFFFF000 /* region size */ 132 #define BCMA_EROM_RSIZE_VAL_SHIFT 0 133 #define BCMA_EROM_RSIZE_64BIT_MASK 0x00000008 /* size spans two 32-bit entries */ 134 #define BCMA_EROM_RSIZE_64BIT_SHIFT 0 135 136 #endif /* _BCMA_BCMA_EROM_REG_H_ */ 137