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13#ifndef AT91_SPI_H
14#define AT91_SPI_H
15
16#include <asm/arch/at91_pdc.h>
17
18typedef struct at91_spi {
19 u32 cr;
20 u32 mr;
21 u32 rdr;
22 u32 tdr;
23 u32 sr;
24 u32 ier;
25 u32 idr;
26 u32 imr;
27 u32 reserve1[4];
28 u32 csr[4];
29 u32 reserve2[48];
30 at91_pdc_t pdc;
31} at91_spi_t;
32
33#ifdef CONFIG_ATMEL_LEGACY
34
35#define AT91_SPI_CR 0x00
36#define AT91_SPI_SPIEN (1 << 0)
37#define AT91_SPI_SPIDIS (1 << 1)
38#define AT91_SPI_SWRST (1 << 7)
39#define AT91_SPI_LASTXFER (1 << 24)
40
41#define AT91_SPI_MR 0x04
42#define AT91_SPI_MSTR (1 << 0)
43#define AT91_SPI_PS (1 << 1)
44#define AT91_SPI_PS_FIXED (0 << 1)
45#define AT91_SPI_PS_VARIABLE (1 << 1)
46#define AT91_SPI_PCSDEC (1 << 2)
47#define AT91_SPI_DIV32 (1 << 3)
48#define AT91_SPI_MODFDIS (1 << 4)
49#define AT91_SPI_LLB (1 << 7)
50#define AT91_SPI_PCS (0xf << 16)
51#define AT91_SPI_DLYBCS (0xff << 24)
52
53#define AT91_SPI_RDR 0x08
54#define AT91_SPI_RD (0xffff << 0)
55#define AT91_SPI_PCS (0xf << 16)
56
57#define AT91_SPI_TDR 0x0c
58#define AT91_SPI_TD (0xffff << 0)
59#define AT91_SPI_PCS (0xf << 16)
60#define AT91_SPI_LASTXFER (1 << 24)
61
62#define AT91_SPI_SR 0x10
63#define AT91_SPI_RDRF (1 << 0)
64#define AT91_SPI_TDRE (1 << 1)
65#define AT91_SPI_MODF (1 << 2)
66#define AT91_SPI_OVRES (1 << 3)
67#define AT91_SPI_ENDRX (1 << 4)
68#define AT91_SPI_ENDTX (1 << 5)
69#define AT91_SPI_RXBUFF (1 << 6)
70#define AT91_SPI_TXBUFE (1 << 7)
71#define AT91_SPI_NSSR (1 << 8)
72#define AT91_SPI_TXEMPTY (1 << 9)
73#define AT91_SPI_SPIENS (1 << 16)
74
75#define AT91_SPI_IER 0x14
76#define AT91_SPI_IDR 0x18
77#define AT91_SPI_IMR 0x1c
78
79#define AT91_SPI_CSR(n) (0x30 + ((n) * 4))
80#define AT91_SPI_CPOL (1 << 0)
81#define AT91_SPI_NCPHA (1 << 1)
82#define AT91_SPI_CSAAT (1 << 3)
83#define AT91_SPI_BITS (0xf << 4)
84#define AT91_SPI_BITS_8 (0 << 4)
85#define AT91_SPI_BITS_9 (1 << 4)
86#define AT91_SPI_BITS_10 (2 << 4)
87#define AT91_SPI_BITS_11 (3 << 4)
88#define AT91_SPI_BITS_12 (4 << 4)
89#define AT91_SPI_BITS_13 (5 << 4)
90#define AT91_SPI_BITS_14 (6 << 4)
91#define AT91_SPI_BITS_15 (7 << 4)
92#define AT91_SPI_BITS_16 (8 << 4)
93#define AT91_SPI_SCBR (0xff << 8)
94#define AT91_SPI_DLYBS (0xff << 16)
95#define AT91_SPI_DLYBCT (0xff << 24)
96
97#define AT91_SPI_RPR 0x0100
98
99#define AT91_SPI_RCR 0x0104
100
101#define AT91_SPI_TPR 0x0108
102
103#define AT91_SPI_TCR 0x010c
104
105#define AT91_SPI_RNPR 0x0110
106
107#define AT91_SPI_RNCR 0x0114
108
109#define AT91_SPI_TNPR 0x0118
110
111#define AT91_SPI_TNCR 0x011c
112
113#define AT91_SPI_PTCR 0x0120
114#define AT91_SPI_RXTEN (0x1 << 0)
115#define AT91_SPI_RXTDIS (0x1 << 1)
116#define AT91_SPI_TXTEN (0x1 << 8)
117#define AT91_SPI_TXTDIS (0x1 << 9)
118
119#define AT91_SPI_PTSR 0x0124
120
121#endif
122
123#endif
124