1 files changed, 170 insertions, 0 deletions

diff --git a/include/asm-blackfin/bfin5xx_spi.h b/include/asm-blackfin/bfin5xx_spi.h
new file mode 100644
index 00000000000..95c1c952e7c
--- /dev/null
+++ b/include/asm-blackfin/bfin5xx_spi.h
@@ -0,0 +1,170 @@
+/************************************************************
+*
+* Copyright (C) 2004, Analog Devices. All Rights Reserved
+*
+* FILE bfin5xx_spi.h
+* PROGRAMMER(S): Luke Yang (Analog Devices Inc.)
+*
+*
+* DATE OF CREATION: March. 10th 2006
+*
+* SYNOPSIS:
+*
+* DESCRIPTION: header file for SPI controller driver for Blackfin5xx.
+**************************************************************
+
+* MODIFICATION HISTORY:
+* March 10, 2006  bfin5xx_spi.h Created. (Luke Yang)
+
+************************************************************/
+
+#ifndef _SPI_CHANNEL_H_
+#define _SPI_CHANNEL_H_
+
+#define SPI0_REGBASE       0xffc00500
+
+#define SPI_READ              0
+#define SPI_WRITE             1
+
+#define SPI_CTRL_OFF            0x0
+#define SPI_FLAG_OFF            0x4
+#define SPI_STAT_OFF            0x8
+#define SPI_TXBUFF_OFF          0xc
+#define SPI_RXBUFF_OFF          0x10
+#define SPI_BAUD_OFF            0x14
+#define SPI_SHAW_OFF            0x18
+
+#define CMD_SPI_OUT_ENABLE    1
+#define CMD_SPI_SET_BAUDRATE  2
+#define CMD_SPI_SET_POLAR     3
+#define CMD_SPI_SET_PHASE     4
+#define CMD_SPI_SET_MASTER    5
+#define CMD_SPI_SET_SENDOPT   6
+#define CMD_SPI_SET_RECVOPT   7
+#define CMD_SPI_SET_ORDER     8
+#define CMD_SPI_SET_LENGTH16  9
+#define CMD_SPI_GET_STAT      11
+#define CMD_SPI_GET_CFG       12
+#define CMD_SPI_SET_CSAVAIL   13
+#define CMD_SPI_SET_CSHIGH    14        /* CS unavail */
+#define CMD_SPI_SET_CSLOW     15        /* CS avail */
+#define CMD_SPI_MISO_ENABLE   16
+#define CMD_SPI_SET_CSENABLE  17
+#define CMD_SPI_SET_CSDISABLE 18
+
+#define CMD_SPI_SET_TRIGGER_MODE  19
+#define CMD_SPI_SET_TRIGGER_SENSE 20
+#define CMD_SPI_SET_TRIGGER_EDGE  21
+#define CMD_SPI_SET_TRIGGER_LEVEL 22
+
+#define CMD_SPI_SET_TIME_SPS      23
+#define CMD_SPI_SET_TIME_SAMPLES  24
+#define CMD_SPI_GET_SYSTEMCLOCK   25
+
+#define CMD_SPI_SET_WRITECONTINUOUS     26
+#define CMD_SPI_SET_SKFS                27
+
+#define CMD_SPI_GET_ALLCONFIG 32        /* For debug */
+
+#define SPI_DEFAULT_BARD    0x0100
+
+#define SPI0_IRQ_NUM        IRQ_SPI
+#define SPI_ERR_TRIG       -1
+
+#define BIT_CTL_ENABLE      0x4000
+#define BIT_CTL_OPENDRAIN   0x2000
+#define BIT_CTL_MASTER      0x1000
+#define BIT_CTL_POLAR       0x0800
+#define BIT_CTL_PHASE       0x0400
+#define BIT_CTL_BITORDER    0x0200
+#define BIT_CTL_WORDSIZE    0x0100
+#define BIT_CTL_MISOENABLE  0x0020
+#define BIT_CTL_RXMOD       0x0000
+#define BIT_CTL_TXMOD       0x0001
+#define BIT_CTL_TIMOD_DMA_TX 0x0003
+#define BIT_CTL_TIMOD_DMA_RX 0x0002
+#define BIT_CTL_SENDOPT     0x0004
+#define BIT_CTL_TIMOD       0x0003
+
+#define BIT_STAT_SPIF       0x0001
+#define BIT_STAT_MODF       0x0002
+#define BIT_STAT_TXE        0x0004
+#define BIT_STAT_TXS        0x0008
+#define BIT_STAT_RBSY       0x0010
+#define BIT_STAT_RXS        0x0020
+#define BIT_STAT_TXCOL      0x0040
+#define BIT_STAT_CLR        0xFFFF
+
+#define BIT_STU_SENDOVER    0x0001
+#define BIT_STU_RECVFULL    0x0020
+
+#define CFG_SPI_ENABLE      1
+#define CFG_SPI_DISABLE     0
+
+#define CFG_SPI_OUTENABLE   1
+#define CFG_SPI_OUTDISABLE  0
+
+#define CFG_SPI_ACTLOW      1
+#define CFG_SPI_ACTHIGH     0
+
+#define CFG_SPI_PHASESTART  1
+#define CFG_SPI_PHASEMID    0
+
+#define CFG_SPI_MASTER      1
+#define CFG_SPI_SLAVE       0
+
+#define CFG_SPI_SENELAST    0
+#define CFG_SPI_SENDZERO    1
+
+#define CFG_SPI_RCVFLUSH    1
+#define CFG_SPI_RCVDISCARD  0
+
+#define CFG_SPI_LSBFIRST    1
+#define CFG_SPI_MSBFIRST    0
+
+#define CFG_SPI_WORDSIZE16  1
+#define CFG_SPI_WORDSIZE8   0
+
+#define CFG_SPI_MISOENABLE   1
+#define CFG_SPI_MISODISABLE  0
+
+#define CFG_SPI_READ      0x00
+#define CFG_SPI_WRITE     0x01
+#define CFG_SPI_DMAREAD   0x02
+#define CFG_SPI_DMAWRITE  0x03
+
+#define CFG_SPI_CSCLEARALL  0
+#define CFG_SPI_CHIPSEL1    1
+#define CFG_SPI_CHIPSEL2    2
+#define CFG_SPI_CHIPSEL3    3
+#define CFG_SPI_CHIPSEL4    4
+#define CFG_SPI_CHIPSEL5    5
+#define CFG_SPI_CHIPSEL6    6
+#define CFG_SPI_CHIPSEL7    7
+
+#define CFG_SPI_CS1VALUE    1
+#define CFG_SPI_CS2VALUE    2
+#define CFG_SPI_CS3VALUE    3
+#define CFG_SPI_CS4VALUE    4
+#define CFG_SPI_CS5VALUE    5
+#define CFG_SPI_CS6VALUE    6
+#define CFG_SPI_CS7VALUE    7
+
+/* device.platform_data for SSP controller devices */
+struct bfin5xx_spi_master {
+        u16 num_chipselect;
+        u8 enable_dma;
+};
+
+/* spi_board_info.controller_data for SPI slave devices,
+ * copied to spi_device.platform_data ... mostly for dma tuning
+ */
+struct bfin5xx_spi_chip {
+        u16 ctl_reg;
+        u8 enable_dma;
+        u8 bits_per_word;
+        u8 cs_change_per_word;
+        u8 cs_chg_udelay;
+};
+
+#endif /* _SPI_CHANNEL_H_ */