/* * (C) Copyright 2010 * Texas Instruments, * Aneesh V * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc. */ #ifndef ARMV7_H #define ARMV7_H #include /* Cortex-A9 revisions */ #define MIDR_CORTEX_A9_R0P1 0x410FC091 #define MIDR_CORTEX_A9_R1P2 0x411FC092 #define MIDR_CORTEX_A9_R1P3 0x411FC093 #define MIDR_CORTEX_A9_R2P10 0x412FC09A /* Cortex-A15 revisions */ #define MIDR_CORTEX_A15_R0P0 0x410FC0F0 /* CCSIDR */ #define CCSIDR_LINE_SIZE_OFFSET 0 #define CCSIDR_LINE_SIZE_MASK 0x7 #define CCSIDR_ASSOCIATIVITY_OFFSET 3 #define CCSIDR_ASSOCIATIVITY_MASK (0x3FF << 3) #define CCSIDR_NUM_SETS_OFFSET 13 #define CCSIDR_NUM_SETS_MASK (0x7FFF << 13) /* * Values for InD field in CSSELR * Selects the type of cache */ #define ARMV7_CSSELR_IND_DATA_UNIFIED 0 #define ARMV7_CSSELR_IND_INSTRUCTION 1 /* Values for Ctype fields in CLIDR */ #define ARMV7_CLIDR_CTYPE_NO_CACHE 0 #define ARMV7_CLIDR_CTYPE_INSTRUCTION_ONLY 1 #define ARMV7_CLIDR_CTYPE_DATA_ONLY 2 #define ARMV7_CLIDR_CTYPE_INSTRUCTION_DATA 3 #define ARMV7_CLIDR_CTYPE_UNIFIED 4 /* * CP15 Barrier instructions * Please note that we have separate barrier instructions in ARMv7 * However, we use the CP15 based instructions because we use * -march=armv5 in U-Boot */ #define CP15ISB asm volatile ("mcr p15, 0, %0, c7, c5, 4" : : "r" (0)) #define CP15DSB asm volatile ("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)) #define CP15DMB asm volatile ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0)) #endif /* ARMV7_H */