1/* 2 * arch/arm/mach-ixp23xx/include/mach/platform.h 3 * 4 * Various bits of code used by platform-level code. 5 * 6 * Author: Deepak Saxena <dsaxena@plexity.net> 7 * 8 * Copyright 2005 (c) MontaVista Software, Inc. 9 * 10 * This file is licensed under the terms of the GNU General Public 11 * License version 2. This program is licensed "as is" without any 12 * warranty of any kind, whether express or implied. 13 */ 14 15#ifndef __ASSEMBLY__ 16 17static inline unsigned long ixp2000_reg_read(volatile void *reg) 18{ 19 return *((volatile unsigned long *)reg); 20} 21 22static inline void ixp2000_reg_write(volatile void *reg, unsigned long val) 23{ 24 *((volatile unsigned long *)reg) = val; 25} 26 27static inline void ixp2000_reg_wrb(volatile void *reg, unsigned long val) 28{ 29 *((volatile unsigned long *)reg) = val; 30} 31 32struct pci_sys_data; 33 34void ixp23xx_map_io(void); 35void ixp23xx_init_irq(void); 36void ixp23xx_sys_init(void); 37int ixp23xx_pci_setup(int, struct pci_sys_data *); 38void ixp23xx_pci_preinit(void); 39struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*); 40void ixp23xx_pci_slave_init(void); 41 42extern struct sys_timer ixp23xx_timer; 43 44#define IXP23XX_UART_XTAL 14745600 45 46#ifndef __ASSEMBLY__ 47/* 48 * Is system memory on the XSI or CPP bus? 49 */ 50static inline unsigned ixp23xx_cpp_boot(void) 51{ 52 return (*IXP23XX_EXP_CFG0 & IXP23XX_EXP_CFG0_XSI_NOT_PRES); 53} 54#endif 55 56 57#endif 58