diff options
Diffstat (limited to 'cpu/arm720t/cpu.c')
| -rw-r--r-- | cpu/arm720t/cpu.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/cpu/arm720t/cpu.c b/cpu/arm720t/cpu.c deleted file mode 100644 index 88c71bf..0000000 --- a/cpu/arm720t/cpu.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * 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 - */ - -/* - * CPU specific code - */ - -#include <common.h> -#include <command.h> -#include <clps7111.h> -#include <asm/hardware.h> -#include <asm/system.h> - -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) -static void cache_flush(void); -#endif - -int cleanup_before_linux (void) -{ - /* - * this function is called just before we call linux - * it prepares the processor for linux - * - * we turn off caches etc ... - * and we set the CPU-speed to 73 MHz - see start.S for details - */ - -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) - disable_interrupts (); - - /* turn off I-cache */ - icache_disable(); - dcache_disable(); - - /* flush I-cache */ - cache_flush(); -#ifdef CONFIG_ARM7_REVD - /* go to high speed */ - IO_SYSCON3 = (IO_SYSCON3 & ~CLKCTL) | CLKCTL_73; -#endif -#elif defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) || defined(CONFIG_LPC2292) - disable_interrupts (); - /* Nothing more needed */ -#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) - /* No cleanup before linux for IntegratorAP/CM720T as yet */ -#else -#error No cleanup_before_linux() defined for this CPU type -#endif - return 0; -} - -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) -/* flush I/D-cache */ -static void cache_flush (void) -{ - unsigned long i = 0; - - asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i)); -} -#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) - /* No specific cache setup for IntegratorAP/CM720T as yet */ - void icache_enable (void) - { - } -#endif |