forked from Imagelibrary/rtems
33f6e34b2d
This patch changes the license to BSD-2 for all source files where the copyright is held by Aeroflex Gaisler, Cobham Gaisler, or Gaisler Research. Some files also includes copyright right statements from OAR and/or embedded Brains in addition to Gaisler. Updates #3053.
207 lines
6.6 KiB
C
207 lines
6.6 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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* @ingroup 1553
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*/
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/*
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* COPYRIGHT (c) 2006.
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* Cobham Gaisler AB.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __B1553BRM_H__
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#define __B1553BRM_H__
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/**
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* @defgroup 1553 B1553BRM
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*
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* @ingroup RTEMSBSPsSharedGRLIB
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*
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* @brief B1553BRM device driver
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*
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* @{
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*/
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#include <drvmgr/drvmgr.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct brm_reg {
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volatile unsigned int ctrl; /* 0x00 */
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volatile unsigned int oper; /* 0x04 */
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volatile unsigned int cur_cmd; /* 0x08 */
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volatile unsigned int imask; /* 0x0C */
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volatile unsigned int ipend; /* 0x10 */
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volatile unsigned int ipoint; /* 0x14 */
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volatile unsigned int bit_reg; /* 0x18 */
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volatile unsigned int ttag; /* 0x1C */
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volatile unsigned int dpoint; /* 0x20 */
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volatile unsigned int sw; /* 0x24 */
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volatile unsigned int initcount; /* 0x28 */
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volatile unsigned int mcpoint; /* 0x2C */
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volatile unsigned int mdpoint; /* 0x30 */
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volatile unsigned int mbc; /* 0x34 */
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volatile unsigned int mfilta; /* 0x38 */
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volatile unsigned int mfiltb; /* 0x3C */
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volatile unsigned int rt_cmd_leg[16]; /* 0x40-0x80 */
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volatile unsigned int enhanced; /* 0x84 */
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volatile unsigned int dummy[31];
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volatile unsigned int w_ctrl; /* 0x100 */
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volatile unsigned int w_irqctrl; /* 0x104 */
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volatile unsigned int w_ahbaddr; /* 0x108 */
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};
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struct bm_msg {
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unsigned short miw;
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unsigned short cw1;
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unsigned short cw2;
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unsigned short sw1;
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unsigned short sw2;
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unsigned short time;
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unsigned short data[32];
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};
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struct rt_msg {
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unsigned short miw;
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unsigned short time;
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unsigned short data[32];
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unsigned short desc;
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};
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/*
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* rtaddr[0] and subaddr[0] : RT address and subaddress (for rt-rt receive addresses)
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* rtaddr[1] and subaddr[1] : Only for RT-RT. Transmit addresses.
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*
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* wc : word count, or mode code if subaddress 0 or 31.
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*
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* ctrl, bit 0 (TR) : 1 - transmit, 0 - receive. Ignored for rt-rt
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* bit 1 (RTRT) : 1 - rt to rt, 0 - normal
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* bit 2 (AB) : 1 - Bus B, 0 - Bus A
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* bit 4:3 (Retry) : 1 - 1, 2 - 2, 3 - 3, 0 - 4
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* bit 5 (END) : End of list
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* bit 15 (BAME) : Message error. Set by BRM if protocol error is detected
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*
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* tsw[0] : status word
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* tsw[1] : Only for rt-rt, status word 2
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*
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* data : data to be transmitted, or received data
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*
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*/
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struct bc_msg {
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unsigned char rtaddr[2];
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unsigned char subaddr[2];
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unsigned short wc;
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unsigned short ctrl;
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unsigned short tsw[2];
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unsigned short data[32];
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};
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/* BC control bits */
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#define BC_TR 0x0001
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#define BC_RTRT 0x0002
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#define BC_BUSA 0x0004
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#define BC_EOL 0x0020
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#define BC_SKIP 0x0040
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#define BC_BAME 0x8000
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#define BRM_MBC_IRQ 1 /* Monitor Block Counter irq */
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#define BRM_CBA_IRQ 2 /* Command Block Accessed irq */
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#define BRM_RTF_IRQ 4 /* Retry Fail irq */
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#define BRM_ILLOP_IRQ 8 /* Illogical Opcode irq */
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#define BRM_BC_ILLCMD_IRQ 16 /* BC Illocigal Command irq */
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#define BRM_EOL_IRQ 32 /* End Of List irq */
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#define BRM_RT_ILLCMD_IRQ 128 /* RT Illegal Command irq */
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#define BRM_IXEQ0_IRQ 256 /* Index Equal Zero irq */
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#define BRM_BDRCV_IRQ 512 /* Broadcast Command Received irq */
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#define BRM_SUBAD_IRQ 1024 /* Subaddress Accessed irq */
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#define BRM_MERR_IRQ 2048 /* Message Error irq */
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#define BRM_TAPF_IRQ 8192 /* Terminal Address Parity Fail irq */
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#define BRM_WRAPF_IRQ 16384 /* Wrap Fail irq */
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#define BRM_DMAF_IRQ 32768 /* DMA Fail irq */
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#define BRM_SET_MODE 0
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#define BRM_SET_BUS 1
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#define BRM_SET_MSGTO 2
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#define BRM_SET_RT_ADDR 3
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#define BRM_SET_STD 4
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#define BRM_SET_BCE 5
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#define BRM_TX_BLOCK 7
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#define BRM_RX_BLOCK 8
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#define BRM_DO_LIST 10
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#define BRM_LIST_DONE 11
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#define BRM_CLR_STATUS 12
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#define BRM_GET_STATUS 13
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#define BRM_SET_EVENTID 14
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#define GET_ERROR_DESCRIPTOR(event_in) (event_in>>16)
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#define BRM_MODE_BC 0x0
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#define BRM_MODE_RT 0x1
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#define BRM_MODE_BM 0x2
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#define BRM_MODE_BM_RT 0x3 /* both RT and BM */
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#define BRM_FREQ_12MHZ 0
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#define BRM_FREQ_16MHZ 1
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#define BRM_FREQ_20MHZ 2
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#define BRM_FREQ_24MHZ 3
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#define BRM_FREQ_MASK 0x3
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#define CLKDIV_MASK 0xf
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#define CLKSEL_MASK 0x7
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void b1553brm_register_drv(void);
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/* Default initialization of the RT legalization registers. The values in this
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* array are written to the registers on boot driver initialization and when
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* the user set the mode to RT-mode by calling ioctl(BRM_SET_MODE). Thus,
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* update the array first then call ioctl(BRM_SET_MODE) for the changes to have
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* an affect. Note that this affects all B1553BRM RTs in the system.
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*/
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extern unsigned short b1553brm_rt_cmd_legalize[16];
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/* Print information about all BRM devices handled by this driver */
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void b1553brm_print(int options);
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/* Print information about one BRM device */
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void b1553brm_print_dev(struct drvmgr_dev *dev, int options);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* __BRM_H__ */
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