spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / arch / arm / mach-ixp23xx / include / mach / platform.h
blob50de558e722e940ab1671cf0d96815841065ca03
1 /*
2 * arch/arm/mach-ixp23xx/include/mach/platform.h
4 * Various bits of code used by platform-level code.
6 * Author: Deepak Saxena <dsaxena@plexity.net>
8 * Copyright 2005 (c) MontaVista Software, Inc.
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.
15 #ifndef __ASSEMBLY__
17 static inline unsigned long ixp2000_reg_read(volatile void *reg)
19 return *((volatile unsigned long *)reg);
22 static inline void ixp2000_reg_write(volatile void *reg, unsigned long val)
24 *((volatile unsigned long *)reg) = val;
27 static inline void ixp2000_reg_wrb(volatile void *reg, unsigned long val)
29 *((volatile unsigned long *)reg) = val;
32 struct pci_sys_data;
34 void ixp23xx_map_io(void);
35 void ixp23xx_init_irq(void);
36 void ixp23xx_sys_init(void);
37 void ixp23xx_restart(char, const char *);
38 int ixp23xx_pci_setup(int, struct pci_sys_data *);
39 void ixp23xx_pci_preinit(void);
40 struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*);
41 void ixp23xx_pci_slave_init(void);
43 extern struct sys_timer ixp23xx_timer;
45 #define IXP23XX_UART_XTAL 14745600
47 #ifndef __ASSEMBLY__
49 * Is system memory on the XSI or CPP bus?
51 static inline unsigned ixp23xx_cpp_boot(void)
53 return (*IXP23XX_EXP_CFG0 & IXP23XX_EXP_CFG0_XSI_NOT_PRES);
55 #endif
58 #endif