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authorSonic Zhang <sonic.zhang@analog.com>2011-11-24 04:40:07 -0500
committerBob Liu <lliubbo@gmail.com>2012-05-21 02:54:21 -0400
commitc55c89e939f2a0a83d5c61462be554d5d2408178 (patch)
treef3fe0781b6bf66acb3fb1a321ff446c240afeb73 /arch/blackfin/mach-bf538/include
parent2879bb30d788bb3841e2f1675ea7af5204eb171c (diff)
blackfin: twi: move twi bit mask macro to twi head file
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/mach-bf538/include')
-rw-r--r--arch/blackfin/mach-bf538/include/mach/defBF538.h76
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/blackfin/mach-bf538/include/mach/defBF538.h b/arch/blackfin/mach-bf538/include/mach/defBF538.h
index d27f81d6c4b..f5aaf0573c0 100644
--- a/arch/blackfin/mach-bf538/include/mach/defBF538.h
+++ b/arch/blackfin/mach-bf538/include/mach/defBF538.h
@@ -1746,80 +1746,4 @@
1746#define SDEASE 0x00000010 /* SDRAM EAB sticky error status - W1C */ 1746#define SDEASE 0x00000010 /* SDRAM EAB sticky error status - W1C */
1747#define BGSTAT 0x00000020 /* Bus granted */ 1747#define BGSTAT 0x00000020 /* Bus granted */
1748 1748
1749
1750/* ******************** TWO-WIRE INTERFACE (TWIx) MASKS ***********************/
1751/* TWIx_CLKDIV Macros (Use: *pTWIx_CLKDIV = CLKLOW(x)|CLKHI(y); ) */
1752#ifdef _MISRA_RULES
1753#define CLKLOW(x) ((x) & 0xFFu) /* Periods Clock Is Held Low */
1754#define CLKHI(y) (((y)&0xFFu)<<0x8) /* Periods Before New Clock Low */
1755#else
1756#define CLKLOW(x) ((x) & 0xFF) /* Periods Clock Is Held Low */
1757#define CLKHI(y) (((y)&0xFF)<<0x8) /* Periods Before New Clock Low */
1758#endif /* _MISRA_RULES */
1759
1760/* TWIx_PRESCALE Masks */
1761#define PRESCALE 0x007F /* SCLKs Per Internal Time Reference (10MHz) */
1762#define TWI_ENA 0x0080 /* TWI Enable */
1763#define SCCB 0x0200 /* SCCB Compatibility Enable */
1764
1765/* TWIx_SLAVE_CTRL Masks */
1766#define SEN 0x0001 /* Slave Enable */
1767#define SADD_LEN 0x0002 /* Slave Address Length */
1768#define STDVAL 0x0004 /* Slave Transmit Data Valid */
1769#define NAK 0x0008 /* NAK/ACK* Generated At Conclusion Of Transfer */
1770#define GEN 0x0010 /* General Call Adrress Matching Enabled */
1771
1772/* TWIx_SLAVE_STAT Masks */
1773#define SDIR 0x0001 /* Slave Transfer Direction (Transmit/Receive*) */
1774#define GCALL 0x0002 /* General Call Indicator */
1775
1776/* TWIx_MASTER_CTRL Masks */
1777#define MEN 0x0001 /* Master Mode Enable */
1778#define MADD_LEN 0x0002 /* Master Address Length */
1779#define MDIR 0x0004 /* Master Transmit Direction (RX/TX*) */
1780#define FAST 0x0008 /* Use Fast Mode Timing Specs */
1781#define STOP 0x0010 /* Issue Stop Condition */
1782#define RSTART 0x0020 /* Repeat Start or Stop* At End Of Transfer */
1783#define DCNT 0x3FC0 /* Data Bytes To Transfer */
1784#define SDAOVR 0x4000 /* Serial Data Override */
1785#define SCLOVR 0x8000 /* Serial Clock Override */
1786
1787/* TWIx_MASTER_STAT Masks */
1788#define MPROG 0x0001 /* Master Transfer In Progress */
1789#define LOSTARB 0x0002 /* Lost Arbitration Indicator (Xfer Aborted) */
1790#define ANAK 0x0004 /* Address Not Acknowledged */
1791#define DNAK 0x0008 /* Data Not Acknowledged */
1792#define BUFRDERR 0x0010 /* Buffer Read Error */
1793#define BUFWRERR 0x0020 /* Buffer Write Error */
1794#define SDASEN 0x0040 /* Serial Data Sense */
1795#define SCLSEN 0x0080 /* Serial Clock Sense */
1796#define BUSBUSY 0x0100 /* Bus Busy Indicator */
1797
1798/* TWIx_INT_SRC and TWIx_INT_ENABLE Masks */
1799#define SINIT 0x0001 /* Slave Transfer Initiated */
1800#define SCOMP 0x0002 /* Slave Transfer Complete */
1801#define SERR 0x0004 /* Slave Transfer Error */
1802#define SOVF 0x0008 /* Slave Overflow */
1803#define MCOMP 0x0010 /* Master Transfer Complete */
1804#define MERR 0x0020 /* Master Transfer Error */
1805#define XMTSERV 0x0040 /* Transmit FIFO Service */
1806#define RCVSERV 0x0080 /* Receive FIFO Service */
1807
1808/* TWIx_FIFO_CTL Masks */
1809#define XMTFLUSH 0x0001 /* Transmit Buffer Flush */
1810#define RCVFLUSH 0x0002 /* Receive Buffer Flush */
1811#define XMTINTLEN 0x0004 /* Transmit Buffer Interrupt Length */
1812#define RCVINTLEN 0x0008 /* Receive Buffer Interrupt Length */
1813
1814/* TWIx_FIFO_STAT Masks */
1815#define XMTSTAT 0x0003 /* Transmit FIFO Status */
1816#define XMT_EMPTY 0x0000 /* Transmit FIFO Empty */
1817#define XMT_HALF 0x0001 /* Transmit FIFO Has 1 Byte To Write */
1818#define XMT_FULL 0x0003 /* Transmit FIFO Full (2 Bytes To Write) */
1819
1820#define RCVSTAT 0x000C /* Receive FIFO Status */
1821#define RCV_EMPTY 0x0000 /* Receive FIFO Empty */
1822#define RCV_HALF 0x0004 /* Receive FIFO Has 1 Byte To Read */
1823#define RCV_FULL 0x000C /* Receive FIFO Full (2 Bytes To Read) */
1824
1825#endif 1749#endif