diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-04-13 09:57:10 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-04-13 09:57:10 +0200 |
commit | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (patch) | |
tree | a2c186cb828e3713c2ec48a4d7191166fb798b3d /arch/arm/mach-omap1/include/mach/hardware.h | |
parent | 659c36fcda403013a01b85da07cf2d9711e6d6c7 (diff) | |
parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) |
Merge tag 'v3.4-rc2' into perf/core
Merge Linux 3.4-rc2: we were on v3.3, update the base.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 a3f6287b2007..01e35fa106b8 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> |