1 /* 2 * ARC Build Configuration Registers, with encoded hardware config 3 * 4 * Copyright (C) 2018 Synopsys 5 * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> 6 * 7 * This file is licensed under the terms of the GNU General Public 8 * License version 2. This program is licensed "as is" without any 9 * warranty of any kind, whether express or implied. 10 */ 11 12 #ifndef __ARC_BCR_H 13 #define __ARC_BCR_H 14 #ifndef __ASSEMBLY__ 15 16 union bcr_di_cache { 17 struct { 18 #ifdef CONFIG_SYS_BIG_ENDIAN 19 unsigned int pad:12, line_len:4, sz:4, config:4, ver:8; 20 #else 21 unsigned int ver:8, config:4, sz:4, line_len:4, pad:12; 22 #endif 23 } fields; 24 unsigned int word; 25 }; 26 27 union bcr_slc_cfg { 28 struct { 29 #ifdef CONFIG_SYS_BIG_ENDIAN 30 unsigned int pad:24, way:2, lsz:2, sz:4; 31 #else 32 unsigned int sz:4, lsz:2, way:2, pad:24; 33 #endif 34 } fields; 35 unsigned int word; 36 }; 37 38 union bcr_generic { 39 struct { 40 #ifdef CONFIG_SYS_BIG_ENDIAN 41 unsigned int pad:24, ver:8; 42 #else 43 unsigned int ver:8, pad:24; 44 #endif 45 } fields; 46 unsigned int word; 47 }; 48 49 union bcr_clust_cfg { 50 struct { 51 #ifdef CONFIG_SYS_BIG_ENDIAN 52 unsigned int pad:7, c:1, num_entries:8, num_cores:8, ver:8; 53 #else 54 unsigned int ver:8, num_cores:8, num_entries:8, c:1, pad:7; 55 #endif 56 } fields; 57 unsigned int word; 58 }; 59 60 union bcr_mmu_4 { 61 struct { 62 #ifdef CONFIG_SYS_BIG_ENDIAN 63 unsigned int ver:8, sasid:1, sz1:4, sz0:4, res:2, pae:1, 64 n_ways:2, n_entry:2, n_super:2, u_itlb:3, u_dtlb:3; 65 #else 66 /* DTLB ITLB JES JE JA */ 67 unsigned int u_dtlb:3, u_itlb:3, n_super:2, n_entry:2, n_ways:2, 68 pae:1, res:2, sz0:4, sz1:4, sasid:1, ver:8; 69 #endif 70 } fields; 71 unsigned int word; 72 }; 73 74 #endif /* __ASSEMBLY__ */ 75 #endif /* __ARC_BCR_H */ 76