1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Freescale DSPI Module Defines
5 * Copyright (C) 2004-2007, 2015 Freescale Semiconductor, Inc.
6 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
7 * Chao Fu (B44548@freesacle.com)
8 * Haikun Wang (B53464@freescale.com)
14 /* DMA Serial Peripheral Interface (DSPI) */
19 u32 ctar[8]; /* 0x0C - 0x28 */
22 u32 tfr; /* 0x34 - PUSHR */
23 u32 rfr; /* 0x38 - POPR */
24 u32 tfdr[16]; /* 0x3C */
25 u32 rfdr[16]; /* 0x7C */
28 /* Module configuration */
29 #define DSPI_MCR_MSTR 0x80000000
30 #define DSPI_MCR_CSCK 0x40000000
31 #define DSPI_MCR_DCONF(x) (((x) & 0x03) << 28)
32 #define DSPI_MCR_FRZ 0x08000000
33 #define DSPI_MCR_MTFE 0x04000000
34 #define DSPI_MCR_PCSSE 0x02000000
35 #define DSPI_MCR_ROOE 0x01000000
36 #define DSPI_MCR_PCSIS(x) (1 << (16 + (x)))
37 #define DSPI_MCR_PCSIS_MASK (0xff << 16)
38 #define DSPI_MCR_CSIS7 0x00800000
39 #define DSPI_MCR_CSIS6 0x00400000
40 #define DSPI_MCR_CSIS5 0x00200000
41 #define DSPI_MCR_CSIS4 0x00100000
42 #define DSPI_MCR_CSIS3 0x00080000
43 #define DSPI_MCR_CSIS2 0x00040000
44 #define DSPI_MCR_CSIS1 0x00020000
45 #define DSPI_MCR_CSIS0 0x00010000
46 #define DSPI_MCR_DOZE 0x00008000
47 #define DSPI_MCR_MDIS 0x00004000
48 #define DSPI_MCR_DTXF 0x00002000
49 #define DSPI_MCR_DRXF 0x00001000
50 #define DSPI_MCR_CTXF 0x00000800
51 #define DSPI_MCR_CRXF 0x00000400
52 #define DSPI_MCR_SMPL_PT(x) (((x) & 0x03) << 8)
53 #define DSPI_MCR_FCPCS 0x00000001
54 #define DSPI_MCR_PES 0x00000001
55 #define DSPI_MCR_HALT 0x00000001
58 #define DSPI_TCR_SPI_TCNT(x) (((x) & 0x0000FFFF) << 16)
60 /* Clock and transfer attributes */
61 #define DSPI_CTAR(x) (0x0c + (x * 4))
62 #define DSPI_CTAR_DBR 0x80000000
63 #define DSPI_CTAR_TRSZ(x) (((x) & 0x0F) << 27)
64 #define DSPI_CTAR_CPOL 0x04000000
65 #define DSPI_CTAR_CPHA 0x02000000
66 #define DSPI_CTAR_LSBFE 0x01000000
67 #define DSPI_CTAR_PCSSCK(x) (((x) & 0x03) << 22)
68 #define DSPI_CTAR_PCSSCK_7CLK 0x00A00000
69 #define DSPI_CTAR_PCSSCK_5CLK 0x00800000
70 #define DSPI_CTAR_PCSSCK_3CLK 0x00400000
71 #define DSPI_CTAR_PCSSCK_1CLK 0x00000000
72 #define DSPI_CTAR_PASC(x) (((x) & 0x03) << 20)
73 #define DSPI_CTAR_PASC_7CLK 0x00300000
74 #define DSPI_CTAR_PASC_5CLK 0x00200000
75 #define DSPI_CTAR_PASC_3CLK 0x00100000
76 #define DSPI_CTAR_PASC_1CLK 0x00000000
77 #define DSPI_CTAR_PDT(x) (((x) & 0x03) << 18)
78 #define DSPI_CTAR_PDT_7CLK 0x000A0000
79 #define DSPI_CTAR_PDT_5CLK 0x00080000
80 #define DSPI_CTAR_PDT_3CLK 0x00040000
81 #define DSPI_CTAR_PDT_1CLK 0x00000000
82 #define DSPI_CTAR_PBR(x) (((x) & 0x03) << 16)
83 #define DSPI_CTAR_PBR_7CLK 0x00030000
84 #define DSPI_CTAR_PBR_5CLK 0x00020000
85 #define DSPI_CTAR_PBR_3CLK 0x00010000
86 #define DSPI_CTAR_PBR_1CLK 0x00000000
87 #define DSPI_CTAR_CSSCK(x) (((x) & 0x0F) << 12)
88 #define DSPI_CTAR_ASC(x) (((x) & 0x0F) << 8)
89 #define DSPI_CTAR_DT(x) (((x) & 0x0F) << 4)
90 #define DSPI_CTAR_BR(x) ((x) & 0x0F)
91 #define DSPI_CTAR_SCALE_BITS 0xf
94 #define DSPI_SR_TCF 0x80000000
95 #define DSPI_SR_TXRXS 0x40000000
96 #define DSPI_SR_EOQF 0x10000000
97 #define DSPI_SR_TFUF 0x08000000
98 #define DSPI_SR_TFFF 0x02000000
99 #define DSPI_SR_RFOF 0x00080000
100 #define DSPI_SR_RFDF 0x00020000
101 #define DSPI_SR_TXCTR(x) (((x) & 0x0000F000) >> 12)
102 #define DSPI_SR_TXPTR(x) (((x) & 0x00000F00) >> 8)
103 #define DSPI_SR_RXCTR(x) (((x) & 0x000000F0) >> 4)
104 #define DSPI_SR_RXPTR(x) ((x) & 0x0000000F)
106 /* DMA/interrupt request selct and enable */
107 #define DSPI_IRSR_TCFE 0x80000000
108 #define DSPI_IRSR_EOQFE 0x10000000
109 #define DSPI_IRSR_TFUFE 0x08000000
110 #define DSPI_IRSR_TFFFE 0x02000000
111 #define DSPI_IRSR_TFFFS 0x01000000
112 #define DSPI_IRSR_RFOFE 0x00080000
113 #define DSPI_IRSR_RFDFE 0x00020000
114 #define DSPI_IRSR_RFDFS 0x00010000
116 /* Transfer control - 32-bit access */
117 #define DSPI_TFR_PCS(x) (((1 << x) & 0x0000003f) << 16)
118 #define DSPI_TFR_CONT 0x80000000
119 #define DSPI_TFR_CTAS(x) (((x) & 0x07) << 28)
120 #define DSPI_TFR_EOQ 0x08000000
121 #define DSPI_TFR_CTCNT 0x04000000
122 #define DSPI_TFR_CS7 0x00800000
123 #define DSPI_TFR_CS6 0x00400000
124 #define DSPI_TFR_CS5 0x00200000
125 #define DSPI_TFR_CS4 0x00100000
126 #define DSPI_TFR_CS3 0x00080000
127 #define DSPI_TFR_CS2 0x00040000
128 #define DSPI_TFR_CS1 0x00020000
129 #define DSPI_TFR_CS0 0x00010000
132 #define DSPI_TFR_TXDATA(x) ((x) & 0x0000FFFF)
134 /* Bit definitions and macros for DRFR */
135 #define DSPI_RFR_RXDATA(x) ((x) & 0x0000FFFF)
137 /* Bit definitions and macros for DTFDR group */
138 #define DSPI_TFDR_TXDATA(x) ((x) & 0x0000FFFF)
139 #define DSPI_TFDR_TXCMD(x) (((x) & 0x0000FFFF) << 16)
141 /* Bit definitions and macros for DRFDR group */
142 #define DSPI_RFDR_RXDATA(x) ((x) & 0x0000FFFF)
144 #endif /* _FSL_DSPI_H_ */