forked from Imagelibrary/rtems
2007-09-06 Daniel Hellstrom <daniel@gaisler.com>
* Makefile.am: Add the following new drivers: PCI, b1553BRM, SpaceWire(GRSPW), CAN (GRCAN,OC_CAN), Raw UART. * shared/include/apbuart.h, shared/include/apbuart_pci.h, shared/include/apbuart_rasta.h, shared/include/b1553brm.h, shared/include/b1553brm_pci.h, shared/include/b1553brm_rasta.h, shared/include/debug_defs.h, shared/include/grcan.h, shared/include/grcan_rasta.h, shared/include/grcan_spwrtc.h, shared/include/grspw.h, shared/include/grspw_pci.h, shared/include/grspw_rasta.h, shared/include/occan.h, shared/include/occan_pci.h, shared/include/pci.h: New files.
This commit is contained in:
Joel Sherrill
203
c/src/lib/libbsp/sparc/shared/include/grcan.h
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203
c/src/lib/libbsp/sparc/shared/include/grcan.h
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/*
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* Macros used for grcan controller
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*
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* COPYRIGHT (c) 2007.
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* Gaisler Research
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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*/
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#ifndef __GRCAN_H__
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#define __GRCAN_H__
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#include <ambapp.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct grcan_regs {
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volatile unsigned int conf; /* 0x00 */
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volatile unsigned int stat; /* 0x04 */
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volatile unsigned int ctrl; /* 0x08 */
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volatile unsigned int dummy0[3]; /* 0x0C-0x014 */
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volatile unsigned int smask; /* 0x18 */
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volatile unsigned int scode; /* 0x1C */
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volatile unsigned int dummy1[56]; /* 0x20-0xFC */
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volatile unsigned int pimsr; /* 0x100 */
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volatile unsigned int pimr; /* 0x104 */
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volatile unsigned int pisr; /* 0x108 */
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volatile unsigned int pir; /* 0x10C */
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volatile unsigned int imr; /* 0x110 */
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volatile unsigned int picr; /* 0x114 */
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volatile unsigned int dummy2[58]; /* 0x118-0x1FC */
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volatile unsigned int tx0ctrl; /* 0x200 */
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volatile unsigned int tx0addr; /* 0x204 */
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volatile unsigned int tx0size; /* 0x208 */
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volatile unsigned int tx0wr; /* 0x20C */
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volatile unsigned int tx0rd; /* 0x210 */
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volatile unsigned int tx0irq; /* 0x214 */
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volatile unsigned int dummy3[58]; /* 0x218-0x2FC */
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volatile unsigned int rx0ctrl; /* 0x300 */
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volatile unsigned int rx0addr; /* 0x304 */
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volatile unsigned int rx0size; /* 0x308 */
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volatile unsigned int rx0wr; /* 0x30C */
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volatile unsigned int rx0rd; /* 0x310 */
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volatile unsigned int rx0irq; /* 0x314 */
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volatile unsigned int rx0mask; /* 0x318 */
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volatile unsigned int rx0code; /* 0x31C */
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};
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struct grcan_stats {
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unsigned int passive_cnt;
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unsigned int overrun_cnt;
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unsigned int rxsync_cnt;
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unsigned int txsync_cnt;
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unsigned int txloss_cnt;
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unsigned int ahberr_cnt;
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unsigned int ints;
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};
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struct grcan_timing {
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unsigned char scaler;
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unsigned char ps1;
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unsigned char ps2;
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unsigned int rsj;
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unsigned char bpr;
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};
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struct grcan_selection {
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int selection;
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int enable0;
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int enable1;
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};
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struct grcan_filter {
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unsigned long long mask;
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unsigned long long code;
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};
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/* CAN MESSAGE */
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typedef struct {
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char extended; /* 1= Extended Frame (29-bit id), 0= STD Frame (11-bit id) */
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char rtr; /* RTR - Remote Transmission Request */
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char unused; /* unused */
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unsigned char len;
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unsigned char data[8];
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unsigned int id;
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} CANMsg;
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#define GRCAN_CFG_ABORT 0x00000001
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#define GRCAN_CFG_ENABLE0 0x00000002
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#define GRCAN_CFG_ENABLE1 0x00000004
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#define GRCAN_CFG_SELECTION 0x00000008
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#define GRCAN_CFG_SILENT 0x00000010
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#define GRCAN_CFG_BPR 0x00000300
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#define GRCAN_CFG_RSJ 0x00007000
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#define GRCAN_CFG_PS1 0x00f00000
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#define GRCAN_CFG_PS2 0x000f0000
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#define GRCAN_CFG_SCALER 0xff000000
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#define GRCAN_CFG_BPR_BIT 8
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#define GRCAN_CFG_RSJ_BIT 12
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#define GRCAN_CFG_PS1_BIT 20
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#define GRCAN_CFG_PS2_BIT 16
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#define GRCAN_CFG_SCALER_BIT 24
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#define GRCAN_CTRL_RESET 0x2
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#define GRCAN_CTRL_ENABLE 0x1
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#define GRCAN_TXCTRL_ENABLE 1
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#define GRCAN_TXCTRL_ONGOING 1
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#define GRCAN_RXCTRL_ENABLE 1
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#define GRCAN_RXCTRL_ONGOING 1
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/* Relative offset of IRQ sources to AMBA Plug&Play */
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#define GRCAN_IRQ_IRQ 0
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#define GRCAN_IRQ_TXSYNC 1
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#define GRCAN_IRQ_RXSYNC 2
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#define GRCAN_ERR_IRQ 0x1
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#define GRCAN_OFF_IRQ 0x2
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#define GRCAN_OR_IRQ 0x4
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#define GRCAN_RXAHBERR_IRQ 0x8
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#define GRCAN_TXAHBERR_IRQ 0x10
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#define GRCAN_RXIRQ_IRQ 0x20
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#define GRCAN_TXIRQ_IRQ 0x40
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#define GRCAN_RXFULL_IRQ 0x80
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#define GRCAN_TXEMPTY_IRQ 0x100
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#define GRCAN_RX_IRQ 0x200
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#define GRCAN_TX_IRQ 0x400
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#define GRCAN_RXSYNC_IRQ 0x800
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#define GRCAN_TXSYNC_IRQ 0x1000
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#define GRCAN_RXERR_IRQ 0x2000
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#define GRCAN_TXERR_IRQ 0x4000
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#define GRCAN_RXMISS_IRQ 0x8000
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#define GRCAN_TXLOSS_IRQ 0x10000
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#define GRCAN_STAT_PASS 0x1
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#define GRCAN_STAT_OFF 0x2
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#define GRCAN_STAT_OR 0x4
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#define GRCAN_STAT_AHBERR 0x8
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#define GRCAN_STAT_ACTIVE 0x10
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#define GRCAN_STAT_RXERRCNT 0xff00
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#define GRCAN_STAT_TXERRCNT 0xff0000
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/* IOCTL Commands controlling operational
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* mode
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*/
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#define GRCAN_IOC_START 1 /* Bring the link up after open or bus-off */
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#define GRCAN_IOC_STOP 2 /* stop to change baud rate/config or closing down */
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#define GRCAN_IOC_ISSTARTED 3 /* return RTEMS_SUCCESSFUL when started, othervise EBUSY */
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#define GRCAN_IOC_FLUSH 4 /* Waits until all TX messages has been sent */
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/* IOCTL Commands that require connection
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* to be stopped
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*/
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#define GRCAN_IOC_SET_SILENT 16 /* enable silent mode read only state */
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#define GRCAN_IOC_SET_ABORT 17 /* enable/disable stopping link on AHB Error */
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#define GRCAN_IOC_SET_SELECTION 18 /* Set Enable0,Enable1,Selection */
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#define GRCAN_IOC_SET_SPEED 19 /* Set baudrate by using driver's baud rate timing calculation routines */
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#define GRCAN_IOC_SET_BTRS 20 /* Set baudrate by specifying the timing registers manually */
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/* IOCTL Commands can be called whenever */
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#define GRCAN_IOC_SET_RXBLOCK 32 /* Enable/disable Blocking on reception (until at least one message has been received) */
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#define GRCAN_IOC_SET_TXBLOCK 33 /* Enable/disable Blocking on transmission (until at least one message has been transmitted) */
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#define GRCAN_IOC_SET_TXCOMPLETE 34 /* Enable/disable Blocking until all requested messages has been sent */
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#define GRCAN_IOC_SET_RXCOMPLETE 35 /* Enable/disable Blocking until all requested has been received */
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#define GRCAN_IOC_GET_STATS 36 /* Get Statistics */
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#define GRCAN_IOC_CLR_STATS 37 /* Clear Statistics */
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#define GRCAN_IOC_SET_AFILTER 38 /* Set Acceptance filters, provide pointer to "struct grcan_filter" or NULL to disable filtering (let all messages pass) */
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#define GRCAN_IOC_SET_SFILTER 40 /* Set Sync Messages RX/TX filters, NULL disables the IRQ completely */
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#define GRCAN_IOC_GET_STATUS 41 /* Get status register of GRCAN core */
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struct grcan_device_info {
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unsigned int base_address;
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int irq;
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};
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/* Use hard coded addresses and IRQs to find hardware */
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int grcan_register_abs(struct grcan_device_info *devices, int dev_cnt);
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/* Use prescanned AMBA Plug&Play information to find all GRFIFO cores */
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int grcan_register(amba_confarea_type *abus);
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#if 0
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void grcan_register(unsigned int baseaddr, unsigned int ram_base);
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void grcan_interrupt_handler(rtems_vector_number v);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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