1877cf3ffSSoby Mathew/* 2877cf3ffSSoby Mathew * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. 3877cf3ffSSoby Mathew * 4877cf3ffSSoby Mathew * Redistribution and use in source and binary forms, with or without 5877cf3ffSSoby Mathew * modification, are permitted provided that the following conditions are met: 6877cf3ffSSoby Mathew * 7877cf3ffSSoby Mathew * Redistributions of source code must retain the above copyright notice, this 8877cf3ffSSoby Mathew * list of conditions and the following disclaimer. 9877cf3ffSSoby Mathew * 10877cf3ffSSoby Mathew * Redistributions in binary form must reproduce the above copyright notice, 11877cf3ffSSoby Mathew * this list of conditions and the following disclaimer in the documentation 12877cf3ffSSoby Mathew * and/or other materials provided with the distribution. 13877cf3ffSSoby Mathew * 14877cf3ffSSoby Mathew * Neither the name of ARM nor the names of its contributors may be used 15877cf3ffSSoby Mathew * to endorse or promote products derived from this software without specific 16877cf3ffSSoby Mathew * prior written permission. 17877cf3ffSSoby Mathew * 18877cf3ffSSoby Mathew * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19877cf3ffSSoby Mathew * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20877cf3ffSSoby Mathew * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21877cf3ffSSoby Mathew * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22877cf3ffSSoby Mathew * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23877cf3ffSSoby Mathew * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24877cf3ffSSoby Mathew * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25877cf3ffSSoby Mathew * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26877cf3ffSSoby Mathew * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27877cf3ffSSoby Mathew * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28877cf3ffSSoby Mathew * POSSIBILITY OF SUCH DAMAGE. 29877cf3ffSSoby Mathew */ 30877cf3ffSSoby Mathew 31877cf3ffSSoby Mathew#include <arch.h> 32877cf3ffSSoby Mathew#include <asm_macros.S> 33877cf3ffSSoby Mathew 34877cf3ffSSoby Mathew .weak plat_my_core_pos 35877cf3ffSSoby Mathew .weak plat_reset_handler 36*1a0a3f06SYatharth Kochar .weak plat_disable_acp 37877cf3ffSSoby Mathew .weak platform_mem_init 38877cf3ffSSoby Mathew .weak plat_panic_handler 39877cf3ffSSoby Mathew 40877cf3ffSSoby Mathew /* ----------------------------------------------------- 41877cf3ffSSoby Mathew * int plat_my_core_pos(void); 42877cf3ffSSoby Mathew * With this function: CorePos = (ClusterId * 4) + 43877cf3ffSSoby Mathew * CoreId 44877cf3ffSSoby Mathew * ----------------------------------------------------- 45877cf3ffSSoby Mathew */ 46877cf3ffSSoby Mathewfunc plat_my_core_pos 47877cf3ffSSoby Mathew ldcopr r0, MPIDR 48877cf3ffSSoby Mathew and r1, r0, #MPIDR_CPU_MASK 49877cf3ffSSoby Mathew and r0, r0, #MPIDR_CLUSTER_MASK 50877cf3ffSSoby Mathew add r0, r1, r0, LSR #6 51877cf3ffSSoby Mathew bx lr 52877cf3ffSSoby Mathewendfunc plat_my_core_pos 53877cf3ffSSoby Mathew 54877cf3ffSSoby Mathew /* ----------------------------------------------------- 55877cf3ffSSoby Mathew * Placeholder function which should be redefined by 56877cf3ffSSoby Mathew * each platform. 57877cf3ffSSoby Mathew * ----------------------------------------------------- 58877cf3ffSSoby Mathew */ 59877cf3ffSSoby Mathewfunc plat_reset_handler 60877cf3ffSSoby Mathew bx lr 61877cf3ffSSoby Mathewendfunc plat_reset_handler 62877cf3ffSSoby Mathew 63*1a0a3f06SYatharth Kochar /* ----------------------------------------------------- 64*1a0a3f06SYatharth Kochar * Placeholder function which should be redefined by 65*1a0a3f06SYatharth Kochar * each platform. 66*1a0a3f06SYatharth Kochar * ----------------------------------------------------- 67*1a0a3f06SYatharth Kochar */ 68*1a0a3f06SYatharth Kocharfunc plat_disable_acp 69*1a0a3f06SYatharth Kochar bx lr 70*1a0a3f06SYatharth Kocharendfunc plat_disable_acp 71*1a0a3f06SYatharth Kochar 72877cf3ffSSoby Mathew /* --------------------------------------------------------------------- 73877cf3ffSSoby Mathew * Placeholder function which should be redefined by 74877cf3ffSSoby Mathew * each platform. 75877cf3ffSSoby Mathew * --------------------------------------------------------------------- 76877cf3ffSSoby Mathew */ 77877cf3ffSSoby Mathewfunc platform_mem_init 78877cf3ffSSoby Mathew bx lr 79877cf3ffSSoby Mathewendfunc platform_mem_init 80877cf3ffSSoby Mathew 81877cf3ffSSoby Mathew /* ----------------------------------------------------- 82877cf3ffSSoby Mathew * void plat_panic_handler(void) __dead2; 83877cf3ffSSoby Mathew * Endless loop by default. 84877cf3ffSSoby Mathew * ----------------------------------------------------- 85877cf3ffSSoby Mathew */ 86877cf3ffSSoby Mathewfunc plat_panic_handler 87877cf3ffSSoby Mathew b plat_panic_handler 88877cf3ffSSoby Mathewendfunc plat_panic_handler 89