/* * linux/include/asm-arm/arch-netarm/netarm_registers.h * * Copyright (C) 2005 * Art Shipkowski, Videon Central, Inc., * * Copyright (C) 2000, 2001 NETsilicon, Inc. * Copyright (C) 2000, 2001 WireSpeed Communications Corporation * * This software is copyrighted by WireSpeed. LICENSEE agrees that * it will not delete this copyright notice, trademarks or protective * notices from any copy made by LICENSEE. * * This software is provided "AS-IS" and any express or implied * warranties or conditions, including but not limited to any * implied warranties of merchantability and fitness for a particular * purpose regarding this software. In no event shall WireSpeed * be liable for any indirect, consequential, or incidental damages, * loss of profits or revenue, loss of use or data, or interruption * of business, whether the alleged damages are labeled in contract, * tort, or indemnity. * * 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. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * author(s) : Joe deBlaquiere * * Modified to support NS7520 by Art Shipkowski. */ #ifndef __NET_ARM_REGISTERS_H #define __NET_ARM_REGISTERS_H #include /* fundamental constants : */ /* the input crystal/clock frequency ( in Hz ) */ #define NETARM_XTAL_FREQ_25MHz (18432000) #define NETARM_XTAL_FREQ_33MHz (23698000) #define NETARM_XTAL_FREQ_48MHz (48000000) #define NETARM_XTAL_FREQ_55MHz (55000000) #define NETARM_XTAL_FREQ_EMLIN1 (20000000) /* the frequency of SYS_CLK */ #if defined(CONFIG_NETARM_EMLIN) /* EMLIN board: 33 MHz (exp.) */ #define NETARM_PLL_COUNT_VAL 6 #define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_25MHz #elif defined(CONFIG_NETARM_NET40_REV2) /* NET+40 Rev2 boards: 33 MHz (with NETARM_XTAL_FREQ_25MHz) */ #define NETARM_PLL_COUNT_VAL 6 #define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_25MHz #elif defined(CONFIG_NETARM_NET40_REV4) /* NET+40 Rev4 boards with EDO must clock slower: 25 MHz (with NETARM_XTAL_FREQ_25MHz) 4 */ #define NETARM_PLL_COUNT_VAL 4 #define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_25MHz #elif defined(CONFIG_NETARM_NET50) /* NET+50 boards: 40 MHz (with NETARM_XTAL_FREQ_25MHz) */ #define NETARM_PLL_COUNT_VAL 8 #define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_25MHz #else /* CONFIG_NETARM_NS7520 */ #define NETARM_PLL_COUNT_VAL 0 #if defined(CONFIG_BOARD_UNC20) #define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_48MHz #else #define NETARM_XTAL_FREQ NETARM_XTAL_FREQ_55MHz #endif #endif /* #include "arm_registers.h" */ #include #include #include #include #include #include #endif