OpenCloudOS-Kernel/arch/arm/mach-omap1/include/mach/hardware.h

42 lines
1021 B
C

/*
* arch/arm/mach-omap1/include/mach/hardware.h
*/
#ifndef __MACH_HARDWARE_H
#define __MACH_HARDWARE_H
#ifndef __ASSEMBLER__
/*
* NOTE: Please use ioremap + __raw_read/write where possible instead of these
*/
extern u8 omap_readb(u32 pa);
extern u16 omap_readw(u32 pa);
extern u32 omap_readl(u32 pa);
extern void omap_writeb(u8 v, u32 pa);
extern void omap_writew(u16 v, u32 pa);
extern void omap_writel(u32 v, u32 pa);
#include <plat/tc.h>
/* Almost all documentation for chip and board memory maps assumes
* BM is clear. Most devel boards have a switch to control booting
* from NOR flash (using external chipselect 3) rather than mask ROM,
* which uses BM to interchange the physical CS0 and CS3 addresses.
*/
static inline u32 omap_cs0m_phys(void)
{
return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM)
? OMAP_CS3_PHYS : 0;
}
static inline u32 omap_cs3_phys(void)
{
return (omap_readl(EMIFS_CONFIG) & OMAP_EMIFS_CONFIG_BM)
? 0 : OMAP_CS3_PHYS;
}
#endif
#endif
#include <plat/hardware.h>