diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/io.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/io.h | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h index 5d4cb1196441..d1df347b1497 100644 --- a/arch/arm/plat-mxc/include/mach/io.h +++ b/arch/arm/plat-mxc/include/mach/io.h @@ -1,5 +1,5 @@ /* - * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved. */ /* @@ -14,29 +14,34 @@ /* Allow IO space to be anywhere in the memory */ #define IO_SPACE_LIMIT 0xffffffff -#ifdef CONFIG_ARCH_MX3 -#define __arch_ioremap __mx3_ioremap -#define __arch_iounmap __iounmap - -static inline void __iomem * -__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) -{ - if (mtype == MT_DEVICE) { - /* Access all peripherals below 0x80000000 as nonshared device - * but leave l2cc alone. - */ - if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) || - (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE))) - mtype = MT_DEVICE_NONSHARED; - } - - return __arm_ioremap(phys_addr, size, mtype); -} -#endif +extern void __iomem *__mxc_ioremap(unsigned long cookie, size_t size, + unsigned int mtype); +extern void __mxc_iounmap(void __iomem *addr); + +#define __arch_ioremap(a, s, f) __mxc_ioremap(a, s, f) +#define __arch_iounmap(a) __mxc_iounmap(a) /* io address mapping macro */ #define __io(a) ((void __iomem *)(a)) #define __mem_pci(a) (a) +/*! + * This function is called to read a CPLD register over CSPI. + * + * @param offset number of the cpld register to be read + * + * @return Returns 0 on success -1 on failure. + */ +unsigned int spi_cpld_read(unsigned int offset); + +/*! + * This function is called to write to a CPLD register over CSPI. + * + * @param offset number of the cpld register to be written + * @param reg_val value to be written + * + * @return Returns 0 on success -1 on failure. + */ +unsigned int spi_cpld_write(unsigned int offset, unsigned int reg_val); #endif |