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sja1000.h
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1 #ifndef _CAN_PLATFORM_SJA1000_H_
2 #define _CAN_PLATFORM_SJA1000_H_
3 
4 /* clock divider register */
5 #define CDR_CLKOUT_MASK 0x07
6 #define CDR_CLK_OFF 0x08 /* Clock off (CLKOUT pin) */
7 #define CDR_RXINPEN 0x20 /* TX1 output is RX irq output */
8 #define CDR_CBP 0x40 /* CAN input comparator bypass */
9 #define CDR_PELICAN 0x80 /* PeliCAN mode */
10 
11 /* output control register */
12 #define OCR_MODE_BIPHASE 0x00
13 #define OCR_MODE_TEST 0x01
14 #define OCR_MODE_NORMAL 0x02
15 #define OCR_MODE_CLOCK 0x03
16 #define OCR_MODE_MASK 0x07
17 #define OCR_TX0_INVERT 0x04
18 #define OCR_TX0_PULLDOWN 0x08
19 #define OCR_TX0_PULLUP 0x10
20 #define OCR_TX0_PUSHPULL 0x18
21 #define OCR_TX1_INVERT 0x20
22 #define OCR_TX1_PULLDOWN 0x40
23 #define OCR_TX1_PULLUP 0x80
24 #define OCR_TX1_PUSHPULL 0xc0
25 #define OCR_TX_MASK 0xfc
26 #define OCR_TX_SHIFT 2
27 
29  u32 osc_freq; /* CAN bus oscillator frequency in Hz */
30 
31  u8 ocr; /* output control register */
32  u8 cdr; /* clock divider register */
33 };
34 
35 #endif /* !_CAN_PLATFORM_SJA1000_H_ */