diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/bfin5xx_spi.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin5xx_spi.h b/arch/blackfin/include/asm/bfin5xx_spi.h index 4223cf08ce8..0b5136e334b 100644 --- a/arch/blackfin/include/asm/bfin5xx_spi.h +++ b/arch/blackfin/include/asm/bfin5xx_spi.h @@ -41,6 +41,25 @@ #define BIT_STU_SENDOVER 0x0001 #define BIT_STU_RECVFULL 0x0020 +/* + * All Blackfin system MMRs are padded to 32bits even if the register + * itself is only 16bits. So use a helper macro to streamline this. + */ +#define __BFP(m) u16 m; u16 __pad_##m + +/* + * bfin spi registers layout + */ +struct bfin_spi_regs { + __BFP(ctl); + __BFP(flg); + __BFP(stat); + __BFP(tdbr); + __BFP(rdbr); + __BFP(baud); + __BFP(shadow); +}; + #define MAX_CTRL_CS 8 /* cs in spi controller */ /* device.platform_data for SSP controller devices */ |