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/* define spi-uart debug constrains */
/* code for MRST early printk */
#ifndef _SPI_UART
#define _SPI_UART
#include "types.h"
typedef volatile unsigned short vu16;
typedef volatile unsigned int vu32;
#define MRST_REGBASE_SPI0 0xff128000
#define MRST_REGBASE_SPI1 0xff128400
#define MRST_REGBASE_SPI2 0xff128800
struct mrst_spi_reg {
vu32 ctrlr0; /* control reg 0 */
vu32 ctrlr1; /* control reg 1 */
vu32 ssienr; /* SSI enable reg */
vu32 mwcr; /* Microwire control reg */
vu32 ser; /* slave enable reg */
vu32 baudr;
vu32 txftlr;
vu32 rxftlr;
vu32 txflr;
vu32 rxflr;
vu32 sr;
vu32 imr;
vu32 isr;
vu32 risr;
vu32 txoicr;
vu32 rxoicr;
vu32 rxuicr;
vu32 msticr;
vu32 icr;
vu32 dmacr;
vu32 dmatdlr;
vu32 dmardlr;
vu32 idr;
vu32 ssi_comp_version;
vu32 dr[16]; /* 16 bits access for each 32bit space */
};
/* bit fields in CTRLR0 */
#define SPI_DFS_OFFSET 0
#define SPI_FRF_OFFSET 4
#define FRF_SPI 0x0
#define FRF_SSP 0x1
#define FRF_MICROWIRE 0x2
#define FRF_RESV 0x3
#define SPI_SCPH_OFFSET 6
#define SPI_SCOL_OFFSET 7
#define SPI_TMOD_OFFSET 8
#define TMOD_TR 0x0 /* xmit & recv */
#define TMOD_TO 0x1 /* xmit only */
#define TMOD_RO 0x2 /* recv only */
#define TMOD_EPROMREAD 0x3 /* eeprom read mode */
#define SPI_SLVOE_OFFSET 10
#define SPI_SRL_OFFSET 11
#define SPI_CFS_OFFSET 12
/* bit fields in SR, 7 bits */
#define SR_MASK 0x7f /* cover 7 bits */
#define SR_BUSY (1 << 0)
#define SR_TF_NOT_FULL (1 << 1)
#define SR_TF_EMPT (1 << 2)
#define SR_RF_NOT_EMPT (1 << 3)
#define SR_RF_FULL (1 << 4)
#define SR_TX_ERR (1 << 5)
#define SR_DCOL (1 << 6)
/* bit fields in ISR, IMR, RISR, 7 bits */
#define SPI_INT_TXEI (1 << 0)
#define SPI_INT_TXOI (1 << 1)
#define SPI_INT_RXUI (1 << 2)
#define SPI_INT_RXOI (1 << 3)
#define SPI_INT_RXFI (1 << 4)
#define SPI_INT_MSTI (1 << 5)
extern void bs_spi_printk(const char *str);
#endif
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