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 #ifdef CONFIG_MCF547x_8x
25 u32 tfdr[4]; /* 0x3C */
26 u8 resv2[0x30]; /* 0x40 */
27 u32 rfdr[4]; /* 0x7C */
29 u32 tfdr[16]; /* 0x3C */
30 u32 rfdr[16]; /* 0x7C */
34 /* Module configuration */
35 #define DSPI_MCR_MSTR 0x80000000
36 #define DSPI_MCR_CSCK 0x40000000
37 #define DSPI_MCR_DCONF(x) (((x) & 0x03) << 28)
38 #define DSPI_MCR_FRZ 0x08000000
39 #define DSPI_MCR_MTFE 0x04000000
40 #define DSPI_MCR_PCSSE 0x02000000
41 #define DSPI_MCR_ROOE 0x01000000
42 #define DSPI_MCR_PCSIS(x) (1 << (16 + (x)))
43 #define DSPI_MCR_PCSIS_MASK (0xff << 16)
44 #define DSPI_MCR_CSIS7 0x00800000
45 #define DSPI_MCR_CSIS6 0x00400000
46 #define DSPI_MCR_CSIS5 0x00200000
47 #define DSPI_MCR_CSIS4 0x00100000
48 #define DSPI_MCR_CSIS3 0x00080000
49 #define DSPI_MCR_CSIS2 0x00040000
50 #define DSPI_MCR_CSIS1 0x00020000
51 #define DSPI_MCR_CSIS0 0x00010000
52 #define DSPI_MCR_DOZE 0x00008000
53 #define DSPI_MCR_MDIS 0x00004000
54 #define DSPI_MCR_DTXF 0x00002000
55 #define DSPI_MCR_DRXF 0x00001000
56 #define DSPI_MCR_CTXF 0x00000800
57 #define DSPI_MCR_CRXF 0x00000400
58 #define DSPI_MCR_SMPL_PT(x) (((x) & 0x03) << 8)
59 #define DSPI_MCR_FCPCS 0x00000001
60 #define DSPI_MCR_PES 0x00000001
61 #define DSPI_MCR_HALT 0x00000001
64 #define DSPI_TCR_SPI_TCNT(x) (((x) & 0x0000FFFF) << 16)
66 /* Clock and transfer attributes */
67 #define DSPI_CTAR(x) (0x0c + (x * 4))
68 #define DSPI_CTAR_DBR 0x80000000
69 #define DSPI_CTAR_TRSZ(x) (((x) & 0x0F) << 27)
70 #define DSPI_CTAR_CPOL 0x04000000
71 #define DSPI_CTAR_CPHA 0x02000000
72 #define DSPI_CTAR_LSBFE 0x01000000
73 #define DSPI_CTAR_PCSSCK(x) (((x) & 0x03) << 22)
74 #define DSPI_CTAR_PCSSCK_7CLK 0x00A00000
75 #define DSPI_CTAR_PCSSCK_5CLK 0x00800000
76 #define DSPI_CTAR_PCSSCK_3CLK 0x00400000
77 #define DSPI_CTAR_PCSSCK_1CLK 0x00000000
78 #define DSPI_CTAR_PASC(x) (((x) & 0x03) << 20)
79 #define DSPI_CTAR_PASC_7CLK 0x00300000
80 #define DSPI_CTAR_PASC_5CLK 0x00200000
81 #define DSPI_CTAR_PASC_3CLK 0x00100000
82 #define DSPI_CTAR_PASC_1CLK 0x00000000
83 #define DSPI_CTAR_PDT(x) (((x) & 0x03) << 18)
84 #define DSPI_CTAR_PDT_7CLK 0x000A0000
85 #define DSPI_CTAR_PDT_5CLK 0x00080000
86 #define DSPI_CTAR_PDT_3CLK 0x00040000
87 #define DSPI_CTAR_PDT_1CLK 0x00000000
88 #define DSPI_CTAR_PBR(x) (((x) & 0x03) << 16)
89 #define DSPI_CTAR_PBR_7CLK 0x00030000
90 #define DSPI_CTAR_PBR_5CLK 0x00020000
91 #define DSPI_CTAR_PBR_3CLK 0x00010000
92 #define DSPI_CTAR_PBR_1CLK 0x00000000
93 #define DSPI_CTAR_CSSCK(x) (((x) & 0x0F) << 12)
94 #define DSPI_CTAR_ASC(x) (((x) & 0x0F) << 8)
95 #define DSPI_CTAR_DT(x) (((x) & 0x0F) << 4)
96 #define DSPI_CTAR_BR(x) ((x) & 0x0F)
97 #define DSPI_CTAR_SCALE_BITS 0xf
100 #define DSPI_SR_TCF 0x80000000
101 #define DSPI_SR_TXRXS 0x40000000
102 #define DSPI_SR_EOQF 0x10000000
103 #define DSPI_SR_TFUF 0x08000000
104 #define DSPI_SR_TFFF 0x02000000
105 #define DSPI_SR_RFOF 0x00080000
106 #define DSPI_SR_RFDF 0x00020000
107 #define DSPI_SR_TXCTR(x) (((x) & 0x0000F000) >> 12)
108 #define DSPI_SR_TXPTR(x) (((x) & 0x00000F00) >> 8)
109 #define DSPI_SR_RXCTR(x) (((x) & 0x000000F0) >> 4)
110 #define DSPI_SR_RXPTR(x) ((x) & 0x0000000F)
112 /* DMA/interrupt request selct and enable */
113 #define DSPI_IRSR_TCFE 0x80000000
114 #define DSPI_IRSR_EOQFE 0x10000000
115 #define DSPI_IRSR_TFUFE 0x08000000
116 #define DSPI_IRSR_TFFFE 0x02000000
117 #define DSPI_IRSR_TFFFS 0x01000000
118 #define DSPI_IRSR_RFOFE 0x00080000
119 #define DSPI_IRSR_RFDFE 0x00020000
120 #define DSPI_IRSR_RFDFS 0x00010000
122 /* Transfer control - 32-bit access */
123 #define DSPI_TFR_PCS(x) (((1 << x) & 0x0000003f) << 16)
124 #define DSPI_TFR_CONT 0x80000000
125 #define DSPI_TFR_CTAS(x) (((x) & 0x07) << 28)
126 #define DSPI_TFR_EOQ 0x08000000
127 #define DSPI_TFR_CTCNT 0x04000000
128 #define DSPI_TFR_CS7 0x00800000
129 #define DSPI_TFR_CS6 0x00400000
130 #define DSPI_TFR_CS5 0x00200000
131 #define DSPI_TFR_CS4 0x00100000
132 #define DSPI_TFR_CS3 0x00080000
133 #define DSPI_TFR_CS2 0x00040000
134 #define DSPI_TFR_CS1 0x00020000
135 #define DSPI_TFR_CS0 0x00010000
138 #define DSPI_TFR_TXDATA(x) ((x) & 0x0000FFFF)
140 /* Bit definitions and macros for DRFR */
141 #define DSPI_RFR_RXDATA(x) ((x) & 0x0000FFFF)
143 /* Bit definitions and macros for DTFDR group */
144 #define DSPI_TFDR_TXDATA(x) ((x) & 0x0000FFFF)
145 #define DSPI_TFDR_TXCMD(x) (((x) & 0x0000FFFF) << 16)
147 /* Bit definitions and macros for DRFDR group */
148 #define DSPI_RFDR_RXDATA(x) ((x) & 0x0000FFFF)
150 #endif /* _FSL_DSPI_H_ */