/*- * SPDX-License-Identifier: ISC * * Copyright (c) 2015 Landon Fuller * Copyright (c) 2010 Broadcom Corporation * * Portions of this file were derived from the aidmp.h header * distributed with Broadcom's initial brcm80211 Linux driver release, as * contributed to the Linux staging repository. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * */ #ifndef _BCMA_BCMA_EROM_REG_H_ #define _BCMA_BCMA_EROM_REG_H_ /* Enumeration ROM device registers */ #define BCMA_EROM_TABLE_START 0x000 /**< device enumeration table offset */ #define BCMA_EROM_REMAPCONTROL 0xe00 #define BCMA_EROM_REMAPSELECT 0xe04 #define BCMA_EROM_MASTERSELECT 0xe10 #define BCMA_EROM_ITCR 0xf00 #define BCMA_EROM_ITIP 0xf04 #define BCMA_EROM_TABLE_SIZE BCMA_EROM_REMAPCONTROL - BCMA_EROM_TABLE_START /** * Extract an entry attribute by applying _MASK and _SHIFT defines. * * @param _entry The entry containing the desired attribute * @param _attr The BCMA EROM attribute name (e.g. ENTRY_ISVALID), to be * concatenated with the `BCMA_EROM_` prefix and `_MASK`/`_SHIFT` suffixes. */ #define BCMA_EROM_GET_ATTR(_entry, _attr) \ ((_entry & BCMA_EROM_ ## _attr ## _MASK) \ >> BCMA_EROM_ ## _attr ## _SHIFT) /** * Test an EROM entry's validity and type. * * @param _entry The entry to test. * @param _type The required type * @retval true if the entry type matches and the BCMA_EROM_ENTRY_ISVALID flag * is set. * @retval false if the entry is not valid, or if the type does not match. */ #define BCMA_EROM_ENTRY_IS(_entry, _type) \ (BCMA_EROM_GET_ATTR(_entry, ENTRY_ISVALID) && \ BCMA_EROM_GET_ATTR(_entry, ENTRY_TYPE) == BCMA_EROM_ENTRY_TYPE_ ## _type) /* * Enumeration ROM Constants */ #define BCMA_EROM_TABLE_EOF 0xF /* end of EROM table */ #define BCMA_EROM_ENTRY_ISVALID_MASK 0x1 /* is entry valid? */ #define BCMA_EROM_ENTRY_ISVALID_SHIFT 0 /* EROM Entry Types */ #define BCMA_EROM_ENTRY_TYPE_MASK 0x6 /* entry type mask */ #define BCMA_EROM_ENTRY_TYPE_SHIFT 0 # define BCMA_EROM_ENTRY_TYPE_CORE 0x0 /* core descriptor */ # define BCMA_EROM_ENTRY_TYPE_MPORT 0x2 /* master port descriptor */ # define BCMA_EROM_ENTRY_TYPE_REGION 0x4 /* address region descriptor */ /* EROM Core DescriptorA (31:0) */ #define BCMA_EROM_COREA_DESIGNER_MASK 0xFFF00000 /* core designer (JEP-106 mfg id) */ #define BCMA_EROM_COREA_DESIGNER_SHIFT 20 #define BCMA_EROM_COREA_ID_MASK 0x000FFF00 /* broadcom-assigned core id */ #define BCMA_EROM_COREA_ID_SHIFT 8 #define BCMA_EROM_COREA_CLASS_MASK 0x000000F0 /* core class */ #define BCMA_EROM_COREA_CLASS_SHIFT 4 /* EROM Core DescriptorB (63:32) */ #define BCMA_EROM_COREB_NUM_MP_MASK 0x000001F0 /* master port count */ #define BCMA_EROM_COREB_NUM_MP_SHIFT 4 #define BCMA_EROM_COREB_NUM_DP_MASK 0x00003E00 /* device/bridge port count */ #define BCMA_EROM_COREB_NUM_DP_SHIFT 9 #define BCMA_EROM_COREB_NUM_WMP_MASK 0x0007C000 /* master wrapper port count */ #define BCMA_EROM_COREB_NUM_WMP_SHIFT 14 #define BCMA_EROM_COREB_NUM_WSP_MASK 0x00F80000 /* slave wrapper port count */ #define BCMA_EROM_COREB_NUM_WSP_SHIFT 19 #define BCMA_EROM_COREB_REV_MASK 0xFF000000 /* broadcom-assigned core revision */ #define BCMA_EROM_COREB_REV_SHIFT 24 /* EROM Master Port Descriptor * * The attribute descriptions are derived from background information * on the AXI bus and PL301 interconnect, but are undocumented * by Broadcom and may be incorrect. */ #define BCMA_EROM_MPORT_NUM_MASK 0x0000FF00 /* AXI master number (unique per interconnect) */ #define BCMA_EROM_MPORT_NUM_SHIFT 8 #define BCMA_EROM_MPORT_ID_MASK 0x000000F0 /* AXI master ID (unique per master). */ #define BCMA_EROM_MPORT_ID_SHIFT 4 /* EROM Slave Port MMIO Region Descriptor */ #define BCMA_EROM_REGION_BASE_MASK 0xFFFFF000 /* region base address */ #define BCMA_EROM_REGION_BASE_SHIFT 0 #define BCMA_EROM_REGION_64BIT_MASK 0x00000008 /* base address spans two 32-bit entries */ #define BCMA_EROM_REGION_64BIT_SHIFT 0 #define BCMA_EROM_REGION_PORT_MASK 0x00000F00 /* region's associated port */ #define BCMA_EROM_REGION_PORT_SHIFT 8 #define BCMA_EROM_REGION_TYPE_MASK 0x000000C0 /* region type */ #define BCMA_EROM_REGION_TYPE_SHIFT 6 #define BCMA_EROM_REGION_TYPE_DEVICE 0 /* region maps to a device */ #define BCMA_EROM_REGION_TYPE_BRIDGE 1 /* region maps to a bridge (e.g. AXI2APB) */ #define BCMA_EROM_REGION_TYPE_SWRAP 2 /* region maps to a slave port's DMP agent/wrapper */ #define BCMA_EROM_REGION_TYPE_MWRAP 3 /* region maps to a master port's DMP agent/wrapper */ #define BCMA_EROM_REGION_SIZE_MASK 0x00000030 /* region size encoding */ #define BCMA_EROM_REGION_SIZE_SHIFT 4 #define BCMA_EROM_REGION_SIZE_4K 0 /* 4K region */ #define BCMA_EROM_REGION_SIZE_8K 1 /* 8K region */ #define BCMA_EROM_REGION_SIZE_16K 2 /* 16K region */ #define BCMA_EROM_REGION_SIZE_OTHER 3 /* defined by an additional size descriptor entry. */ #define BCMA_EROM_REGION_SIZE_BASE 0x1000 /* Region Size Descriptor */ #define BCMA_EROM_RSIZE_VAL_MASK 0xFFFFF000 /* region size */ #define BCMA_EROM_RSIZE_VAL_SHIFT 0 #define BCMA_EROM_RSIZE_64BIT_MASK 0x00000008 /* size spans two 32-bit entries */ #define BCMA_EROM_RSIZE_64BIT_SHIFT 0 #endif /* _BCMA_BCMA_EROM_REG_H_ */