/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * (C) Copyright 2002 * Gary Jennejohn, DENX Software Engineering, <gj@denx.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 for an unknown cpu * - hence fairly empty...... */ #include <common.h> #include <command.h> #ifdef CONFIG_USE_IRQ DECLARE_GLOBAL_DATA_PTR; #endif int cpu_init (void) { /* * setup up stacks if necessary */ #ifdef CONFIG_USE_IRQ IRQ_STACK_START = _armboot_start - CFG_MALLOC_LEN - CFG_GBL_DATA_SIZE - 4; FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; #endif return 0; } 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 ... */ disable_interrupts (); /* Since the CM has unknown processor we do not support * cache operations */ return (0); } int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { extern void reset_cpu (ulong addr); disable_interrupts (); reset_cpu (0); /*NOTREACHED*/ return (0); } /* May not be cahed processor on the CM - do nothing */ void icache_enable (void) { } void icache_disable (void) { } /* return "disabled" */ int icache_status (void) { return 0; }