system.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:1k
- /*
- * linux/include/asm-arm/arch-versatile/system.h
- *
- * Copyright (C) 2003 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- */
- #ifndef __ASM_ARCH_SYSTEM_H
- #define __ASM_ARCH_SYSTEM_H
- #include <asm/hardware.h>
- #include <asm/io.h>
- #include <asm/arch/platform.h>
- static inline void arch_idle(void)
- {
- /*
- * This should do all the clock switching
- * and wait for interrupt tricks
- */
- cpu_do_idle();
- }
- static inline void arch_reset(char mode)
- {
- unsigned int hdr_ctrl = (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_RESETCTL_OFFSET);
- unsigned int val;
- /*
- * To reset, we hit the on-board reset register
- * in the system FPGA
- */
- val = __raw_readl(hdr_ctrl);
- val |= VERSATILE_SYS_CTRL_RESET_CONFIGCLR;
- __raw_writel(val, hdr_ctrl);
- }
- #endif