diff options
Diffstat (limited to 'include/libcpu/spiRegs.h')
| -rw-r--r-- | include/libcpu/spiRegs.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/libcpu/spiRegs.h b/include/libcpu/spiRegs.h new file mode 100644 index 0000000000..dcf792bb69 --- /dev/null +++ b/include/libcpu/spiRegs.h @@ -0,0 +1,69 @@ +/* Blackfin SPI Registers + * + * Copyright (c) 2010 Kallisti Labs, Los Gatos, CA, USA + * written by Allan Hessenflow <allanh@kallisti.com> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef _spiRegs_h_ +#define _spiRegs_h_ + + +/* register addresses */ + +#define SPI_CTL_OFFSET 0x0000 +#define SPI_FLG_OFFSET 0x0004 +#define SPI_STAT_OFFSET 0x0008 +#define SPI_TDBR_OFFSET 0x000c +#define SPI_RDBR_OFFSET 0x0010 +#define SPI_BAUD_OFFSET 0x0014 +#define SPI_SHADOW_OFFSET 0x0018 + + +/* register fields */ + +#define SPI_CTL_SPE 0x4000 +#define SPI_CTL_WOM 0x2000 +#define SPI_CTL_MSTR 0x1000 +#define SPI_CTL_CPOL 0x0800 +#define SPI_CTL_CPHA 0x0400 +#define SPI_CTL_LSBF 0x0200 +#define SPI_CTL_SIZE 0x0100 +#define SPI_CTL_EMISO 0x0020 +#define SPI_CTL_PSSE 0x0010 +#define SPI_CTL_GM 0x0008 +#define SPI_CTL_SZ 0x0004 +#define SPI_CTL_TIMOD_MASK 0x0003 +#define SPI_CTL_TIMOD_RDBR 0x0000 +#define SPI_CTL_TIMOD_TDBR 0x0001 +#define SPI_CTL_TIMOD_DMA_RDBR 0x0002 +#define SPI_CTL_TIMOD_DMA_TDBR 0x0003 + +#define SPI_FLG_FLG7 0x8000 +#define SPI_FLG_FLG6 0x4000 +#define SPI_FLG_FLG5 0x2000 +#define SPI_FLG_FLG4 0x1000 +#define SPI_FLG_FLG3 0x0800 +#define SPI_FLG_FLG2 0x0400 +#define SPI_FLG_FLG1 0x0200 +#define SPI_FLG_FLS7 0x0080 +#define SPI_FLG_FLS6 0x0040 +#define SPI_FLG_FLS5 0x0020 +#define SPI_FLG_FLS4 0x0010 +#define SPI_FLG_FLS3 0x0008 +#define SPI_FLG_FLS2 0x0004 +#define SPI_FLG_FLS1 0x0002 + +#define SPI_STAT_TXCOL 0x0040 +#define SPI_STAT_RXS 0x0020 +#define SPI_STAT_RBSY 0x0010 +#define SPI_STAT_TXS 0x0008 +#define SPI_STAT_TXE 0x0004 +#define SPI_STAT_MODF 0x0002 +#define SPI_STAT_SPIF 0x0001 + + +#endif /* _spiRegs_h_ */ |