diff options
Diffstat (limited to 'include/asm-arm/arch-at91rm9200/at91rm9200_spi.h')
-rw-r--r-- | include/asm-arm/arch-at91rm9200/at91rm9200_spi.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91rm9200/at91rm9200_spi.h b/include/asm-arm/arch-at91rm9200/at91rm9200_spi.h new file mode 100644 index 000000000000..bff5ea45f604 --- /dev/null +++ b/include/asm-arm/arch-at91rm9200/at91rm9200_spi.h | |||
@@ -0,0 +1,81 @@ | |||
1 | /* | ||
2 | * include/asm-arm/arch-at91rm9200/at91rm9200_spi.h | ||
3 | * | ||
4 | * Copyright (C) 2005 Ivan Kokshaysky | ||
5 | * Copyright (C) SAN People | ||
6 | * | ||
7 | * Serial Peripheral Interface (SPI) registers. | ||
8 | * Based on AT91RM9200 datasheet revision E. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | */ | ||
15 | |||
16 | #ifndef AT91RM9200_SPI_H | ||
17 | #define AT91RM9200_SPI_H | ||
18 | |||
19 | #define AT91_SPI_CR 0x00 /* Control Register */ | ||
20 | #define AT91_SPI_SPIEN (1 << 0) /* SPI Enable */ | ||
21 | #define AT91_SPI_SPIDIS (1 << 1) /* SPI Disable */ | ||
22 | #define AT91_SPI_SWRST (1 << 7) /* SPI Software Reset */ | ||
23 | #define AT91_SPI_LASTXFER (1 << 24) /* Last Transfer [SAM9261 only] */ | ||
24 | |||
25 | #define AT91_SPI_MR 0x04 /* Mode Register */ | ||
26 | #define AT91_SPI_MSTR (1 << 0) /* Master/Slave Mode */ | ||
27 | #define AT91_SPI_PS (1 << 1) /* Peripheral Select */ | ||
28 | #define AT91_SPI_PS_FIXED (0 << 1) | ||
29 | #define AT91_SPI_PS_VARIABLE (1 << 1) | ||
30 | #define AT91_SPI_PCSDEC (1 << 2) /* Chip Select Decode */ | ||
31 | #define AT91_SPI_DIV32 (1 << 3) /* Clock Selection */ | ||
32 | #define AT91_SPI_MODFDIS (1 << 4) /* Mode Fault Detection */ | ||
33 | #define AT91_SPI_LLB (1 << 7) /* Local Loopback Enable */ | ||
34 | #define AT91_SPI_PCS (0xf << 16) /* Peripheral Chip Select */ | ||
35 | #define AT91_SPI_DLYBCS (0xff << 24) /* Delay Between Chip Selects */ | ||
36 | |||
37 | #define AT91_SPI_RDR 0x08 /* Receive Data Register */ | ||
38 | #define AT91_SPI_RD (0xffff << 0) /* Receive Data */ | ||
39 | #define AT91_SPI_PCS (0xf << 16) /* Peripheral Chip Select */ | ||
40 | |||
41 | #define AT91_SPI_TDR 0x0c /* Transmit Data Register */ | ||
42 | #define AT91_SPI_TD (0xffff << 0) /* Transmit Data */ | ||
43 | #define AT91_SPI_PCS (0xf << 16) /* Peripheral Chip Select */ | ||
44 | #define AT91_SPI_LASTXFER (1 << 24) /* Last Transfer [SAM9261 only] */ | ||
45 | |||
46 | #define AT91_SPI_SR 0x10 /* Status Register */ | ||
47 | #define AT91_SPI_RDRF (1 << 0) /* Receive Data Register Full */ | ||
48 | #define AT91_SPI_TDRE (1 << 1) /* Transmit Data Register Full */ | ||
49 | #define AT91_SPI_MODF (1 << 2) /* Mode Fault Error */ | ||
50 | #define AT91_SPI_OVRES (1 << 3) /* Overrun Error Status */ | ||
51 | #define AT91_SPI_ENDRX (1 << 4) /* End of RX buffer */ | ||
52 | #define AT91_SPI_ENDTX (1 << 5) /* End of TX buffer */ | ||
53 | #define AT91_SPI_RXBUFF (1 << 6) /* RX Buffer Full */ | ||
54 | #define AT91_SPI_TXBUFE (1 << 7) /* TX Buffer Empty */ | ||
55 | #define AT91_SPI_NSSR (1 << 8) /* NSS Rising [SAM9261 only] */ | ||
56 | #define AT91_SPI_TXEMPTY (1 << 9) /* Transmission Register Empty [SAM9261 only] */ | ||
57 | #define AT91_SPI_SPIENS (1 << 16) /* SPI Enable Status */ | ||
58 | |||
59 | #define AT91_SPI_IER 0x14 /* Interrupt Enable Register */ | ||
60 | #define AT91_SPI_IDR 0x18 /* Interrupt Disable Register */ | ||
61 | #define AT91_SPI_IMR 0x1c /* Interrupt Mask Register */ | ||
62 | |||
63 | #define AT91_SPI_CSR(n) (0x30 + ((n) * 4)) /* Chip Select Registers 0-3 */ | ||
64 | #define AT91_SPI_CPOL (1 << 0) /* Clock Polarity */ | ||
65 | #define AT91_SPI_NCPHA (1 << 1) /* Clock Phase */ | ||
66 | #define AT91_SPI_CSAAT (1 << 3) /* Chip Select Active After Transfer [SAM9261 only] */ | ||
67 | #define AT91_SPI_BITS (0xf << 4) /* Bits Per Transfer */ | ||
68 | #define AT91_SPI_BITS_8 (0 << 4) | ||
69 | #define AT91_SPI_BITS_9 (1 << 4) | ||
70 | #define AT91_SPI_BITS_10 (2 << 4) | ||
71 | #define AT91_SPI_BITS_11 (3 << 4) | ||
72 | #define AT91_SPI_BITS_12 (4 << 4) | ||
73 | #define AT91_SPI_BITS_13 (5 << 4) | ||
74 | #define AT91_SPI_BITS_14 (6 << 4) | ||
75 | #define AT91_SPI_BITS_15 (7 << 4) | ||
76 | #define AT91_SPI_BITS_16 (8 << 4) | ||
77 | #define AT91_SPI_SCBR (0xff << 8) /* Serial Clock Baud Rate */ | ||
78 | #define AT91_SPI_DLYBS (0xff << 16) /* Delay before SPCK */ | ||
79 | #define AT91_SPI_DLYBCT (0xff << 24) /* Delay between Consecutive Transfers */ | ||
80 | |||
81 | #endif | ||