X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=arch%2Farm%2Fcpu%2Farmv7%2Fcpu.c;h=c56417dd2f1ec81d8fa1088d8c12fc0aaf6c3848;hb=ace97d26176a3ebc9ec07738450de93eea35975c;hp=c6fa8ef13617636a8c879cccbae626bf6ee8c2e1;hpb=bc6f6c87b685bcdcd5bef522982d15209b6b9601;p=u-boot diff --git a/arch/arm/cpu/armv7/cpu.c b/arch/arm/cpu/armv7/cpu.c index c6fa8ef136..c56417dd2f 100644 --- a/arch/arm/cpu/armv7/cpu.c +++ b/arch/arm/cpu/armv7/cpu.c @@ -8,23 +8,7 @@ * (C) Copyright 2002 * Gary Jennejohn, DENX Software Engineering, * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ /* @@ -36,13 +20,9 @@ #include #include #include +#include -void save_boot_params_default(u32 r0, u32 r1, u32 r2, u32 r3) -{ -} - -void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) - __attribute__((weak, alias("save_boot_params_default"))); +void __weak cpu_cache_initialization(void){} int cleanup_before_linux(void) { @@ -73,7 +53,7 @@ int cleanup_before_linux(void) * After D-cache is flushed and before it is disabled there may * be some new valid entries brought into the cache. We are sure * that these lines are not dirty and will not affect our execution. - * (because unwinding the call-stack and setting a bit in CP15 SCTRL + * (because unwinding the call-stack and setting a bit in CP15 SCTLR * is all we did during this. We have not pushed anything on to the * stack. Neither have we affected any static data) * So just invalidate the entire d-cache again to avoid coherency @@ -81,5 +61,10 @@ int cleanup_before_linux(void) */ invalidate_dcache_all(); + /* + * Some CPU need more cache attention before starting the kernel. + */ + cpu_cache_initialization(); + return 0; }