| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334 | 
							- /*
 
-  * bfin_can.h - interface to Blackfin CANs
 
-  *
 
-  * Copyright 2004-2009 Analog Devices Inc.
 
-  *
 
-  * Licensed under the GPL-2 or later.
 
-  */
 
- #ifndef __ASM_BFIN_CAN_H__
 
- #define __ASM_BFIN_CAN_H__
 
- /*
 
-  * transmit and receive channels
 
-  */
 
- #define TRANSMIT_CHL            24
 
- #define RECEIVE_STD_CHL         0
 
- #define RECEIVE_EXT_CHL         4
 
- #define RECEIVE_RTR_CHL         8
 
- #define RECEIVE_EXT_RTR_CHL     12
 
- #define MAX_CHL_NUMBER          32
 
- /*
 
-  * All Blackfin system MMRs are padded to 32bits even if the register
 
-  * itself is only 16bits.  So use a helper macro to streamline this.
 
-  */
 
- #define __BFP(m) u16 m; u16 __pad_##m
 
- /*
 
-  * bfin can registers layout
 
-  */
 
- struct bfin_can_mask_regs {
 
- 	__BFP(aml);
 
- 	__BFP(amh);
 
- };
 
- struct bfin_can_channel_regs {
 
- 	/* data[0,2,4,6] -> data{0,1,2,3} while data[1,3,5,7] is padding */
 
- 	u16 data[8];
 
- 	__BFP(dlc);
 
- 	__BFP(tsv);
 
- 	__BFP(id0);
 
- 	__BFP(id1);
 
- };
 
- struct bfin_can_regs {
 
- 	/*
 
- 	 * global control and status registers
 
- 	 */
 
- 	__BFP(mc1);           /* offset 0x00 */
 
- 	__BFP(md1);           /* offset 0x04 */
 
- 	__BFP(trs1);          /* offset 0x08 */
 
- 	__BFP(trr1);          /* offset 0x0c */
 
- 	__BFP(ta1);           /* offset 0x10 */
 
- 	__BFP(aa1);           /* offset 0x14 */
 
- 	__BFP(rmp1);          /* offset 0x18 */
 
- 	__BFP(rml1);          /* offset 0x1c */
 
- 	__BFP(mbtif1);        /* offset 0x20 */
 
- 	__BFP(mbrif1);        /* offset 0x24 */
 
- 	__BFP(mbim1);         /* offset 0x28 */
 
- 	__BFP(rfh1);          /* offset 0x2c */
 
- 	__BFP(opss1);         /* offset 0x30 */
 
- 	u32 __pad1[3];
 
- 	__BFP(mc2);           /* offset 0x40 */
 
- 	__BFP(md2);           /* offset 0x44 */
 
- 	__BFP(trs2);          /* offset 0x48 */
 
- 	__BFP(trr2);          /* offset 0x4c */
 
- 	__BFP(ta2);           /* offset 0x50 */
 
- 	__BFP(aa2);           /* offset 0x54 */
 
- 	__BFP(rmp2);          /* offset 0x58 */
 
- 	__BFP(rml2);          /* offset 0x5c */
 
- 	__BFP(mbtif2);        /* offset 0x60 */
 
- 	__BFP(mbrif2);        /* offset 0x64 */
 
- 	__BFP(mbim2);         /* offset 0x68 */
 
- 	__BFP(rfh2);          /* offset 0x6c */
 
- 	__BFP(opss2);         /* offset 0x70 */
 
- 	u32 __pad2[3];
 
- 	__BFP(clock);         /* offset 0x80 */
 
- 	__BFP(timing);        /* offset 0x84 */
 
- 	__BFP(debug);         /* offset 0x88 */
 
- 	__BFP(status);        /* offset 0x8c */
 
- 	__BFP(cec);           /* offset 0x90 */
 
- 	__BFP(gis);           /* offset 0x94 */
 
- 	__BFP(gim);           /* offset 0x98 */
 
- 	__BFP(gif);           /* offset 0x9c */
 
- 	__BFP(control);       /* offset 0xa0 */
 
- 	__BFP(intr);          /* offset 0xa4 */
 
- 	__BFP(version);       /* offset 0xa8 */
 
- 	__BFP(mbtd);          /* offset 0xac */
 
- 	__BFP(ewr);           /* offset 0xb0 */
 
- 	__BFP(esr);           /* offset 0xb4 */
 
- 	u32 __pad3[2];
 
- 	__BFP(ucreg);         /* offset 0xc0 */
 
- 	__BFP(uccnt);         /* offset 0xc4 */
 
- 	__BFP(ucrc);          /* offset 0xc8 */
 
- 	__BFP(uccnf);         /* offset 0xcc */
 
- 	u32 __pad4[1];
 
- 	__BFP(version2);      /* offset 0xd4 */
 
- 	u32 __pad5[10];
 
- 	/*
 
- 	 * channel(mailbox) mask and message registers
 
- 	 */
 
- 	struct bfin_can_mask_regs msk[MAX_CHL_NUMBER];    /* offset 0x100 */
 
- 	struct bfin_can_channel_regs chl[MAX_CHL_NUMBER]; /* offset 0x200 */
 
- };
 
- #undef __BFP
 
- /* CAN_CONTROL Masks */
 
- #define SRS			0x0001	/* Software Reset */
 
- #define DNM			0x0002	/* Device Net Mode */
 
- #define ABO			0x0004	/* Auto-Bus On Enable */
 
- #define TXPRIO		0x0008	/* TX Priority (Priority/Mailbox*) */
 
- #define WBA			0x0010	/* Wake-Up On CAN Bus Activity Enable */
 
- #define SMR			0x0020	/* Sleep Mode Request */
 
- #define CSR			0x0040	/* CAN Suspend Mode Request */
 
- #define CCR			0x0080	/* CAN Configuration Mode Request */
 
- /* CAN_STATUS Masks */
 
- #define WT			0x0001	/* TX Warning Flag */
 
- #define WR			0x0002	/* RX Warning Flag */
 
- #define EP			0x0004	/* Error Passive Mode */
 
- #define EBO			0x0008	/* Error Bus Off Mode */
 
- #define SMA			0x0020	/* Sleep Mode Acknowledge */
 
- #define CSA			0x0040	/* Suspend Mode Acknowledge */
 
- #define CCA			0x0080	/* Configuration Mode Acknowledge */
 
- #define MBPTR		0x1F00	/* Mailbox Pointer */
 
- #define TRM			0x4000	/* Transmit Mode */
 
- #define REC			0x8000	/* Receive Mode */
 
- /* CAN_CLOCK Masks */
 
- #define BRP			0x03FF	/* Bit-Rate Pre-Scaler */
 
- /* CAN_TIMING Masks */
 
- #define TSEG1		0x000F	/* Time Segment 1 */
 
- #define TSEG2		0x0070	/* Time Segment 2 */
 
- #define SAM			0x0080	/* Sampling */
 
- #define SJW			0x0300	/* Synchronization Jump Width */
 
- /* CAN_DEBUG Masks */
 
- #define DEC			0x0001	/* Disable CAN Error Counters */
 
- #define DRI			0x0002	/* Disable CAN RX Input */
 
- #define DTO			0x0004	/* Disable CAN TX Output */
 
- #define DIL			0x0008	/* Disable CAN Internal Loop */
 
- #define MAA			0x0010	/* Mode Auto-Acknowledge Enable */
 
- #define MRB			0x0020	/* Mode Read Back Enable */
 
- #define CDE			0x8000	/* CAN Debug Enable */
 
- /* CAN_CEC Masks */
 
- #define RXECNT		0x00FF	/* Receive Error Counter */
 
- #define TXECNT		0xFF00	/* Transmit Error Counter */
 
- /* CAN_INTR Masks */
 
- #define MBRIRQ	0x0001	/* Mailbox Receive Interrupt */
 
- #define MBTIRQ	0x0002	/* Mailbox Transmit Interrupt */
 
- #define GIRQ		0x0004	/* Global Interrupt */
 
- #define SMACK		0x0008	/* Sleep Mode Acknowledge */
 
- #define CANTX		0x0040	/* CAN TX Bus Value */
 
- #define CANRX		0x0080	/* CAN RX Bus Value */
 
- /* CAN_MBxx_ID1 and CAN_MBxx_ID0 Masks */
 
- #define DFC			0xFFFF	/* Data Filtering Code (If Enabled) (ID0) */
 
- #define EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier (ID0) */
 
- #define EXTID_HI	0x0003	/* Upper 2 Bits of Extended Identifier (ID1) */
 
- #define BASEID		0x1FFC	/* Base Identifier */
 
- #define IDE			0x2000	/* Identifier Extension */
 
- #define RTR			0x4000	/* Remote Frame Transmission Request */
 
- #define AME			0x8000	/* Acceptance Mask Enable */
 
- /* CAN_MBxx_TIMESTAMP Masks */
 
- #define TSV			0xFFFF	/* Timestamp */
 
- /* CAN_MBxx_LENGTH Masks */
 
- #define DLC			0x000F	/* Data Length Code */
 
- /* CAN_AMxxH and CAN_AMxxL Masks */
 
- #define DFM			0xFFFF	/* Data Field Mask (If Enabled) (CAN_AMxxL) */
 
- #define EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier (CAN_AMxxL) */
 
- #define EXTID_HI	0x0003	/* Upper 2 Bits of Extended Identifier (CAN_AMxxH) */
 
- #define BASEID		0x1FFC	/* Base Identifier */
 
- #define AMIDE		0x2000	/* Acceptance Mask ID Extension Enable */
 
- #define FMD			0x4000	/* Full Mask Data Field Enable */
 
- #define FDF			0x8000	/* Filter On Data Field Enable */
 
- /* CAN_MC1 Masks */
 
- #define MC0			0x0001	/* Enable Mailbox 0 */
 
- #define MC1			0x0002	/* Enable Mailbox 1 */
 
- #define MC2			0x0004	/* Enable Mailbox 2 */
 
- #define MC3			0x0008	/* Enable Mailbox 3 */
 
- #define MC4			0x0010	/* Enable Mailbox 4 */
 
- #define MC5			0x0020	/* Enable Mailbox 5 */
 
- #define MC6			0x0040	/* Enable Mailbox 6 */
 
- #define MC7			0x0080	/* Enable Mailbox 7 */
 
- #define MC8			0x0100	/* Enable Mailbox 8 */
 
- #define MC9			0x0200	/* Enable Mailbox 9 */
 
- #define MC10		0x0400	/* Enable Mailbox 10 */
 
- #define MC11		0x0800	/* Enable Mailbox 11 */
 
- #define MC12		0x1000	/* Enable Mailbox 12 */
 
- #define MC13		0x2000	/* Enable Mailbox 13 */
 
- #define MC14		0x4000	/* Enable Mailbox 14 */
 
- #define MC15		0x8000	/* Enable Mailbox 15 */
 
- /* CAN_MC2 Masks */
 
- #define MC16		0x0001	/* Enable Mailbox 16 */
 
- #define MC17		0x0002	/* Enable Mailbox 17 */
 
- #define MC18		0x0004	/* Enable Mailbox 18 */
 
- #define MC19		0x0008	/* Enable Mailbox 19 */
 
- #define MC20		0x0010	/* Enable Mailbox 20 */
 
- #define MC21		0x0020	/* Enable Mailbox 21 */
 
- #define MC22		0x0040	/* Enable Mailbox 22 */
 
- #define MC23		0x0080	/* Enable Mailbox 23 */
 
- #define MC24		0x0100	/* Enable Mailbox 24 */
 
- #define MC25		0x0200	/* Enable Mailbox 25 */
 
- #define MC26		0x0400	/* Enable Mailbox 26 */
 
- #define MC27		0x0800	/* Enable Mailbox 27 */
 
- #define MC28		0x1000	/* Enable Mailbox 28 */
 
- #define MC29		0x2000	/* Enable Mailbox 29 */
 
- #define MC30		0x4000	/* Enable Mailbox 30 */
 
- #define MC31		0x8000	/* Enable Mailbox 31 */
 
- /* CAN_MD1 Masks */
 
- #define MD0			0x0001	/* Enable Mailbox 0 For Receive */
 
- #define MD1			0x0002	/* Enable Mailbox 1 For Receive */
 
- #define MD2			0x0004	/* Enable Mailbox 2 For Receive */
 
- #define MD3			0x0008	/* Enable Mailbox 3 For Receive */
 
- #define MD4			0x0010	/* Enable Mailbox 4 For Receive */
 
- #define MD5			0x0020	/* Enable Mailbox 5 For Receive */
 
- #define MD6			0x0040	/* Enable Mailbox 6 For Receive */
 
- #define MD7			0x0080	/* Enable Mailbox 7 For Receive */
 
- #define MD8			0x0100	/* Enable Mailbox 8 For Receive */
 
- #define MD9			0x0200	/* Enable Mailbox 9 For Receive */
 
- #define MD10		0x0400	/* Enable Mailbox 10 For Receive */
 
- #define MD11		0x0800	/* Enable Mailbox 11 For Receive */
 
- #define MD12		0x1000	/* Enable Mailbox 12 For Receive */
 
- #define MD13		0x2000	/* Enable Mailbox 13 For Receive */
 
- #define MD14		0x4000	/* Enable Mailbox 14 For Receive */
 
- #define MD15		0x8000	/* Enable Mailbox 15 For Receive */
 
- /* CAN_MD2 Masks */
 
- #define MD16		0x0001	/* Enable Mailbox 16 For Receive */
 
- #define MD17		0x0002	/* Enable Mailbox 17 For Receive */
 
- #define MD18		0x0004	/* Enable Mailbox 18 For Receive */
 
- #define MD19		0x0008	/* Enable Mailbox 19 For Receive */
 
- #define MD20		0x0010	/* Enable Mailbox 20 For Receive */
 
- #define MD21		0x0020	/* Enable Mailbox 21 For Receive */
 
- #define MD22		0x0040	/* Enable Mailbox 22 For Receive */
 
- #define MD23		0x0080	/* Enable Mailbox 23 For Receive */
 
- #define MD24		0x0100	/* Enable Mailbox 24 For Receive */
 
- #define MD25		0x0200	/* Enable Mailbox 25 For Receive */
 
- #define MD26		0x0400	/* Enable Mailbox 26 For Receive */
 
- #define MD27		0x0800	/* Enable Mailbox 27 For Receive */
 
- #define MD28		0x1000	/* Enable Mailbox 28 For Receive */
 
- #define MD29		0x2000	/* Enable Mailbox 29 For Receive */
 
- #define MD30		0x4000	/* Enable Mailbox 30 For Receive */
 
- #define MD31		0x8000	/* Enable Mailbox 31 For Receive */
 
- /* CAN_RMP1 Masks */
 
- #define RMP0		0x0001	/* RX Message Pending In Mailbox 0 */
 
- #define RMP1		0x0002	/* RX Message Pending In Mailbox 1 */
 
- #define RMP2		0x0004	/* RX Message Pending In Mailbox 2 */
 
- #define RMP3		0x0008	/* RX Message Pending In Mailbox 3 */
 
- #define RMP4		0x0010	/* RX Message Pending In Mailbox 4 */
 
- #define RMP5		0x0020	/* RX Message Pending In Mailbox 5 */
 
- #define RMP6		0x0040	/* RX Message Pending In Mailbox 6 */
 
- #define RMP7		0x0080	/* RX Message Pending In Mailbox 7 */
 
- #define RMP8		0x0100	/* RX Message Pending In Mailbox 8 */
 
- #define RMP9		0x0200	/* RX Message Pending In Mailbox 9 */
 
- #define RMP10		0x0400	/* RX Message Pending In Mailbox 10 */
 
- #define RMP11		0x0800	/* RX Message Pending In Mailbox 11 */
 
- #define RMP12		0x1000	/* RX Message Pending In Mailbox 12 */
 
- #define RMP13		0x2000	/* RX Message Pending In Mailbox 13 */
 
- #define RMP14		0x4000	/* RX Message Pending In Mailbox 14 */
 
- #define RMP15		0x8000	/* RX Message Pending In Mailbox 15 */
 
- /* CAN_RMP2 Masks */
 
- #define RMP16		0x0001	/* RX Message Pending In Mailbox 16 */
 
- #define RMP17		0x0002	/* RX Message Pending In Mailbox 17 */
 
- #define RMP18		0x0004	/* RX Message Pending In Mailbox 18 */
 
- #define RMP19		0x0008	/* RX Message Pending In Mailbox 19 */
 
- #define RMP20		0x0010	/* RX Message Pending In Mailbox 20 */
 
- #define RMP21		0x0020	/* RX Message Pending In Mailbox 21 */
 
- #define RMP22		0x0040	/* RX Message Pending In Mailbox 22 */
 
- #define RMP23		0x0080	/* RX Message Pending In Mailbox 23 */
 
- #define RMP24		0x0100	/* RX Message Pending In Mailbox 24 */
 
- #define RMP25		0x0200	/* RX Message Pending In Mailbox 25 */
 
- #define RMP26		0x0400	/* RX Message Pending In Mailbox 26 */
 
- #define RMP27		0x0800	/* RX Message Pending In Mailbox 27 */
 
- #define RMP28		0x1000	/* RX Message Pending In Mailbox 28 */
 
- #define RMP29		0x2000	/* RX Message Pending In Mailbox 29 */
 
- #define RMP30		0x4000	/* RX Message Pending In Mailbox 30 */
 
- #define RMP31		0x8000	/* RX Message Pending In Mailbox 31 */
 
- /* CAN_RML1 Masks */
 
- #define RML0		0x0001	/* RX Message Lost In Mailbox 0 */
 
- #define RML1		0x0002	/* RX Message Lost In Mailbox 1 */
 
- #define RML2		0x0004	/* RX Message Lost In Mailbox 2 */
 
- #define RML3		0x0008	/* RX Message Lost In Mailbox 3 */
 
- #define RML4		0x0010	/* RX Message Lost In Mailbox 4 */
 
- #define RML5		0x0020	/* RX Message Lost In Mailbox 5 */
 
- #define RML6		0x0040	/* RX Message Lost In Mailbox 6 */
 
- #define RML7		0x0080	/* RX Message Lost In Mailbox 7 */
 
- #define RML8		0x0100	/* RX Message Lost In Mailbox 8 */
 
- #define RML9		0x0200	/* RX Message Lost In Mailbox 9 */
 
- #define RML10		0x0400	/* RX Message Lost In Mailbox 10 */
 
- #define RML11		0x0800	/* RX Message Lost In Mailbox 11 */
 
- #define RML12		0x1000	/* RX Message Lost In Mailbox 12 */
 
- #define RML13		0x2000	/* RX Message Lost In Mailbox 13 */
 
- #define RML14		0x4000	/* RX Message Lost In Mailbox 14 */
 
- #define RML15		0x8000	/* RX Message Lost In Mailbox 15 */
 
- /* CAN_RML2 Masks */
 
- #define RML16		0x0001	/* RX Message Lost In Mailbox 16 */
 
- #define RML17		0x0002	/* RX Message Lost In Mailbox 17 */
 
- #define RML18		0x0004	/* RX Message Lost In Mailbox 18 */
 
- #define RML19		0x0008	/* RX Message Lost In Mailbox 19 */
 
- #define RML20		0x0010	/* RX Message Lost In Mailbox 20 */
 
- #define RML21		0x0020	/* RX Message Lost In Mailbox 21 */
 
- #define RML22		0x0040	/* RX Message Lost In Mailbox 22 */
 
- #define RML23		0x0080	/* RX Message Lost In Mailbox 23 */
 
- #define RML24		0x0100	/* RX Message Lost In Mailbox 24 */
 
- #define RML25		0x0200	/* RX Message Lost In Mailbox 25 */
 
- #define RML26		0x0400	/* RX Message Lost In Mailbox 26 */
 
- #define RML27		0x0800	/* RX Message Lost In Mailbox 27 */
 
- #define RML28		0x1000	/* RX Message Lost In Mailbox 28 */
 
- #define RML29		0x2000	/* RX Message Lost In Mailbox 29 */
 
- #define RML30		0x4000	/* RX Message Lost In Mailbox 30 */
 
- #define RML31		0x8000	/* RX Message Lost In Mailbox 31 */
 
- /* CAN_OPSS1 Masks */
 
- #define OPSS0		0x0001	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 0 */
 
- #define OPSS1		0x0002	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 1 */
 
- #define OPSS2		0x0004	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 2 */
 
- #define OPSS3		0x0008	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 3 */
 
- #define OPSS4		0x0010	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 4 */
 
 
  |