diff options
Diffstat (limited to 'arch/arm/mach-omap1/include/mach/hardware.h')
| -rw-r--r-- | arch/arm/mach-omap1/include/mach/hardware.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/include/mach/hardware.h b/arch/arm/mach-omap1/include/mach/hardware.h index a3f6287b200..01e35fa106b 100644 --- a/arch/arm/mach-omap1/include/mach/hardware.h +++ b/arch/arm/mach-omap1/include/mach/hardware.h @@ -2,4 +2,40 @@ * 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> |