diff options
| author | Jaiprakash Singh <b44839@freescale.com> | 2015-05-21 05:17:11 +0300 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-08-08 06:59:34 +0300 |
| commit | cf184dc2dd33847f4b211b01d8c7ec0526e6c5e4 (patch) | |
| tree | fc8bfced6f839edc21c9548d81697f7de17cdf86 /include/linux/fsl_ifc.h | |
| parent | 3fa647bff31fe7b8818a40742506d47d0dc7f8f5 (diff) | |
| download | linux-cf184dc2dd33847f4b211b01d8c7ec0526e6c5e4.tar.xz | |
fsl_ifc: Change IO accessor based on endianness
IFC IO accressor are set at run time based
on IFC IP registers endianness.IFC node in
DTS file contains information about
endianness.
Signed-off-by: Jaiprakash Singh <b44839@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'include/linux/fsl_ifc.h')
| -rw-r--r-- | include/linux/fsl_ifc.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/fsl_ifc.h b/include/linux/fsl_ifc.h index bf0321eabbda..0023088b253b 100644 --- a/include/linux/fsl_ifc.h +++ b/include/linux/fsl_ifc.h @@ -841,9 +841,59 @@ struct fsl_ifc_ctrl { u32 nand_stat; wait_queue_head_t nand_wait; + bool little_endian; }; extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev; +static inline u32 ifc_in32(void __iomem *addr) +{ + u32 val; + + if (fsl_ifc_ctrl_dev->little_endian) + val = ioread32(addr); + else + val = ioread32be(addr); + + return val; +} + +static inline u16 ifc_in16(void __iomem *addr) +{ + u16 val; + + if (fsl_ifc_ctrl_dev->little_endian) + val = ioread16(addr); + else + val = ioread16be(addr); + + return val; +} + +static inline u8 ifc_in8(void __iomem *addr) +{ + return ioread8(addr); +} + +static inline void ifc_out32(u32 val, void __iomem *addr) +{ + if (fsl_ifc_ctrl_dev->little_endian) + iowrite32(val, addr); + else + iowrite32be(val, addr); +} + +static inline void ifc_out16(u16 val, void __iomem *addr) +{ + if (fsl_ifc_ctrl_dev->little_endian) + iowrite16(val, addr); + else + iowrite16be(val, addr); +} + +static inline void ifc_out8(u8 val, void __iomem *addr) +{ + iowrite8(val, addr); +} #endif /* __ASM_FSL_IFC_H */ |