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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/mach-omap1/include/mach/hardware.h | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/arm/mach-omap1/include/mach/hardware.h')
-rw-r--r-- | arch/arm/mach-omap1/include/mach/hardware.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/include/mach/hardware.h b/arch/arm/mach-omap1/include/mach/hardware.h new file mode 100644 index 00000000..01e35fa1 --- /dev/null +++ b/arch/arm/mach-omap1/include/mach/hardware.h @@ -0,0 +1,41 @@ +/* + * 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> |