511 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			511 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| 
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| /*
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|  *
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|  Copyright (c) Eicon Networks, 2002.
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|  *
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|  This source file is supplied for the use with
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|  Eicon Networks range of DIVA Server Adapters.
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|  *
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|  Eicon File Revision :    2.1
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|  *
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|  This program is free software; you can redistribute it and/or modify
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|  it under the terms of the GNU General Public License as published by
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|  the Free Software Foundation; either version 2, or (at your option)
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|  any later version.
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|  *
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|  This program is distributed in the hope that it will be useful,
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|  but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
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|  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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|  See the GNU General Public License for more details.
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|  *
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|  You should have received a copy of the GNU General Public License
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|  along with this program; if not, write to the Free Software
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|  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|  *
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|  */
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| #include "platform.h"
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| #include "di_defs.h"
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| #include "pc.h"
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| #include "pr_pc.h"
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| #include "di.h"
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| #include "mi_pc.h"
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| #include "pc_maint.h"
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| #include "divasync.h"
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| #include "pc_init.h"
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| #include "io.h"
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| #include "helpers.h"
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| #include "dsrv4bri.h"
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| #include "dsp_defs.h"
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| #include "sdp_hdr.h"
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| 
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| /*****************************************************************************/
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| #define	MAX_XLOG_SIZE	(64 * 1024)
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| 
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| /* --------------------------------------------------------------------------
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|    Recovery XLOG from QBRI Card
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|    -------------------------------------------------------------------------- */
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| static void qBri_cpu_trapped(PISDN_ADAPTER IoAdapter) {
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| 	byte  __iomem *base;
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| 	word *Xlog;
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| 	dword   regs[4], TrapID, offset, size;
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| 	Xdesc   xlogDesc;
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| 	int factor = (IoAdapter->tasks == 1) ? 1 : 2;
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| 
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| /*
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|  *	check for trapped MIPS 46xx CPU, dump exception frame
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|  */
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| 
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| 	base = DIVA_OS_MEM_ATTACH_CONTROL(IoAdapter);
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| 	offset = IoAdapter->ControllerNumber * (IoAdapter->MemorySize >> factor);
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| 
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| 	TrapID = READ_DWORD(&base[0x80]);
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| 
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| 	if ((TrapID == 0x99999999) || (TrapID == 0x99999901))
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| 	{
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| 		dump_trap_frame(IoAdapter, &base[0x90]);
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| 		IoAdapter->trapped = 1;
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| 	}
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| 
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| 	regs[0] = READ_DWORD((base + offset) + 0x70);
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| 	regs[1] = READ_DWORD((base + offset) + 0x74);
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| 	regs[2] = READ_DWORD((base + offset) + 0x78);
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| 	regs[3] = READ_DWORD((base + offset) + 0x7c);
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| 	regs[0] &= IoAdapter->MemorySize - 1;
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| 
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| 	if ((regs[0] >= offset)
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| 	    && (regs[0] < offset + (IoAdapter->MemorySize >> factor) - 1))
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| 	{
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| 		if (!(Xlog = (word *)diva_os_malloc(0, MAX_XLOG_SIZE))) {
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| 			DIVA_OS_MEM_DETACH_CONTROL(IoAdapter, base);
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| 			return;
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| 		}
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| 
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| 		size = offset + (IoAdapter->MemorySize >> factor) - regs[0];
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| 		if (size > MAX_XLOG_SIZE)
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| 			size = MAX_XLOG_SIZE;
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| 		memcpy_fromio(Xlog, &base[regs[0]], size);
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| 		xlogDesc.buf = Xlog;
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| 		xlogDesc.cnt = READ_WORD(&base[regs[1] & (IoAdapter->MemorySize - 1)]);
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| 		xlogDesc.out = READ_WORD(&base[regs[2] & (IoAdapter->MemorySize - 1)]);
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| 		dump_xlog_buffer(IoAdapter, &xlogDesc);
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| 		diva_os_free(0, Xlog);
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| 		IoAdapter->trapped = 2;
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| 	}
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| 	DIVA_OS_MEM_DETACH_CONTROL(IoAdapter, base);
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| }
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| 
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| /* --------------------------------------------------------------------------
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|    Reset QBRI Hardware
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|    -------------------------------------------------------------------------- */
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| static void reset_qBri_hardware(PISDN_ADAPTER IoAdapter) {
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| 	word volatile __iomem *qBriReset;
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| 	byte  volatile __iomem *qBriCntrl;
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| 	byte  volatile __iomem *p;
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| 
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| 	qBriReset = (word volatile __iomem *)DIVA_OS_MEM_ATTACH_PROM(IoAdapter);
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| 	WRITE_WORD(qBriReset, READ_WORD(qBriReset) | PLX9054_SOFT_RESET);
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| 	diva_os_wait(1);
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| 	WRITE_WORD(qBriReset, READ_WORD(qBriReset) & ~PLX9054_SOFT_RESET);
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| 	diva_os_wait(1);
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| 	WRITE_WORD(qBriReset, READ_WORD(qBriReset) | PLX9054_RELOAD_EEPROM);
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| 	diva_os_wait(1);
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| 	WRITE_WORD(qBriReset, READ_WORD(qBriReset) & ~PLX9054_RELOAD_EEPROM);
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| 	diva_os_wait(1);
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| 	DIVA_OS_MEM_DETACH_PROM(IoAdapter, qBriReset);
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| 
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| 	qBriCntrl = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
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| 	p = &qBriCntrl[DIVA_4BRI_REVISION(IoAdapter) ? (MQ2_BREG_RISC) : (MQ_BREG_RISC)];
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| 	WRITE_DWORD(p, 0);
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| 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, qBriCntrl);
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| 
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| 	DBG_TRC(("resetted board @ reset addr 0x%08lx", qBriReset))
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| 		DBG_TRC(("resetted board @ cntrl addr 0x%08lx", p))
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| 		}
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| 
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| /* --------------------------------------------------------------------------
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|    Start Card CPU
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|    -------------------------------------------------------------------------- */
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| void start_qBri_hardware(PISDN_ADAPTER IoAdapter) {
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| 	byte volatile __iomem *qBriReset;
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| 	byte volatile __iomem *p;
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| 
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| 	p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
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| 	qBriReset = &p[(DIVA_4BRI_REVISION(IoAdapter)) ? (MQ2_BREG_RISC) : (MQ_BREG_RISC)];
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| 	WRITE_DWORD(qBriReset, MQ_RISC_COLD_RESET_MASK);
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| 	diva_os_wait(2);
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| 	WRITE_DWORD(qBriReset, MQ_RISC_WARM_RESET_MASK | MQ_RISC_COLD_RESET_MASK);
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| 	diva_os_wait(10);
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| 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
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| 
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| 	DBG_TRC(("started processor @ addr 0x%08lx", qBriReset))
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| 		}
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| 
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| /* --------------------------------------------------------------------------
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|    Stop Card CPU
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|    -------------------------------------------------------------------------- */
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| static void stop_qBri_hardware(PISDN_ADAPTER IoAdapter) {
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| 	byte volatile __iomem *p;
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| 	dword volatile __iomem *qBriReset;
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| 	dword volatile __iomem *qBriIrq;
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| 	dword volatile __iomem *qBriIsacDspReset;
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| 	int rev2 = DIVA_4BRI_REVISION(IoAdapter);
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| 	int reset_offset = rev2 ? (MQ2_BREG_RISC)      : (MQ_BREG_RISC);
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| 	int irq_offset   = rev2 ? (MQ2_BREG_IRQ_TEST)  : (MQ_BREG_IRQ_TEST);
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| 	int hw_offset    = rev2 ? (MQ2_ISAC_DSP_RESET) : (MQ_ISAC_DSP_RESET);
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| 
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| 	if (IoAdapter->ControllerNumber > 0)
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| 		return;
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| 	p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
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| 	qBriReset = (dword volatile __iomem *)&p[reset_offset];
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| 	qBriIsacDspReset = (dword volatile __iomem *)&p[hw_offset];
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| /*
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|  *	clear interrupt line (reset Local Interrupt Test Register)
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|  */
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| 	WRITE_DWORD(qBriReset, 0);
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| 	WRITE_DWORD(qBriIsacDspReset, 0);
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| 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
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| 
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| 	p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
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| 	WRITE_BYTE(&p[PLX9054_INTCSR], 0x00);	/* disable PCI interrupts */
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| 	DIVA_OS_MEM_DETACH_RESET(IoAdapter, p);
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| 
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| 	p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
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| 	qBriIrq   = (dword volatile __iomem *)&p[irq_offset];
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| 	WRITE_DWORD(qBriIrq, MQ_IRQ_REQ_OFF);
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| 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
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| 
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| 	DBG_TRC(("stopped processor @ addr 0x%08lx", qBriReset))
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| 
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| 		}
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| 
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| /* --------------------------------------------------------------------------
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|    FPGA download
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|    -------------------------------------------------------------------------- */
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| #define FPGA_NAME_OFFSET         0x10
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| 
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| static byte *qBri_check_FPGAsrc(PISDN_ADAPTER IoAdapter, char *FileName,
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| 				dword *Length, dword *code) {
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| 	byte *File;
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| 	char *fpgaFile, *fpgaType, *fpgaDate, *fpgaTime;
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| 	dword fpgaFlen, fpgaTlen, fpgaDlen, cnt, year, i;
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| 
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| 	if (!(File = (byte *)xdiLoadFile(FileName, Length, 0))) {
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| 		return (NULL);
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| 	}
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| /*
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|  *	 scan file until FF and put id string into buffer
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|  */
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| 	for (i = 0; File[i] != 0xff;)
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| 	{
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| 		if (++i >= *Length)
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| 		{
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| 			DBG_FTL(("FPGA download: start of data header not found"))
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| 				xdiFreeFile(File);
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| 			return (NULL);
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| 		}
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| 	}
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| 	*code = i++;
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| 
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| 	if ((File[i] & 0xF0) != 0x20)
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| 	{
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| 		DBG_FTL(("FPGA download: data header corrupted"))
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| 			xdiFreeFile(File);
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| 		return (NULL);
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| 	}
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| 	fpgaFlen = (dword)File[FPGA_NAME_OFFSET - 1];
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| 	if (fpgaFlen == 0)
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| 		fpgaFlen = 12;
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| 	fpgaFile = (char *)&File[FPGA_NAME_OFFSET];
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| 	fpgaTlen = (dword)fpgaFile[fpgaFlen + 2];
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| 	if (fpgaTlen == 0)
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| 		fpgaTlen = 10;
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| 	fpgaType = (char *)&fpgaFile[fpgaFlen + 3];
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| 	fpgaDlen = (dword)  fpgaType[fpgaTlen + 2];
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| 	if (fpgaDlen == 0)
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| 		fpgaDlen = 11;
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| 	fpgaDate = (char *)&fpgaType[fpgaTlen + 3];
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| 	fpgaTime = (char *)&fpgaDate[fpgaDlen + 3];
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| 	cnt = (dword)(((File[i] & 0x0F) << 20) + (File[i + 1] << 12)
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| 		      + (File[i + 2] << 4) + (File[i + 3] >> 4));
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| 
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| 	if ((dword)(i + (cnt / 8)) > *Length)
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| 	{
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| 		DBG_FTL(("FPGA download: '%s' file too small (%ld < %ld)",
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| 			 FileName, *Length, code + ((cnt + 7) / 8)))
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| 			xdiFreeFile(File);
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| 		return (NULL);
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| 	}
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| 	i = 0;
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| 	do
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| 	{
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| 		while ((fpgaDate[i] != '\0')
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| 		       && ((fpgaDate[i] < '0') || (fpgaDate[i] > '9')))
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| 		{
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| 			i++;
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| 		}
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| 		year = 0;
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| 		while ((fpgaDate[i] >= '0') && (fpgaDate[i] <= '9'))
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| 			year = year * 10 + (fpgaDate[i++] - '0');
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| 	} while ((year < 2000) && (fpgaDate[i] != '\0'));
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| 
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| 	switch (IoAdapter->cardType) {
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| 	case CARDTYPE_DIVASRV_B_2F_PCI:
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| 		break;
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| 
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| 	default:
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| 		if (year >= 2001) {
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| 			IoAdapter->fpga_features |= PCINIT_FPGA_PLX_ACCESS_SUPPORTED;
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| 		}
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| 	}
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| 
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| 	DBG_LOG(("FPGA[%s] file %s (%s %s) len %d",
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| 		 fpgaType, fpgaFile, fpgaDate, fpgaTime, cnt))
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| 		return (File);
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| }
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| 
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| /******************************************************************************/
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| 
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| #define FPGA_PROG   0x0001		/* PROG enable low */
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| #define FPGA_BUSY   0x0002		/* BUSY high, DONE low */
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| #define	FPGA_CS     0x000C		/* Enable I/O pins */
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| #define FPGA_CCLK   0x0100
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| #define FPGA_DOUT   0x0400
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| #define FPGA_DIN    FPGA_DOUT   /* bidirectional I/O */
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| 
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| int qBri_FPGA_download(PISDN_ADAPTER IoAdapter) {
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| 	int            bit;
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| 	byte           *File;
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| 	dword          code, FileLength;
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| 	word volatile __iomem *addr = (word volatile __iomem *)DIVA_OS_MEM_ATTACH_PROM(IoAdapter);
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| 	word           val, baseval = FPGA_CS | FPGA_PROG;
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| 
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| 
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| 
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| 	if (DIVA_4BRI_REVISION(IoAdapter))
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| 	{
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| 		char *name;
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| 
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| 		switch (IoAdapter->cardType) {
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| 		case CARDTYPE_DIVASRV_B_2F_PCI:
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| 			name = "dsbri2f.bit";
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| 			break;
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| 
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| 		case CARDTYPE_DIVASRV_B_2M_V2_PCI:
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| 		case CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI:
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| 			name = "dsbri2m.bit";
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| 			break;
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| 
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| 		default:
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| 			name = "ds4bri2.bit";
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| 		}
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| 
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| 		File = qBri_check_FPGAsrc(IoAdapter, name,
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| 					  &FileLength, &code);
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| 	}
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| 	else
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| 	{
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| 		File = qBri_check_FPGAsrc(IoAdapter, "ds4bri.bit",
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| 					  &FileLength, &code);
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| 	}
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| 	if (!File) {
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| 		DIVA_OS_MEM_DETACH_PROM(IoAdapter, addr);
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| 		return (0);
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| 	}
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| /*
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|  *	prepare download, pulse PROGRAM pin down.
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|  */
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| 	WRITE_WORD(addr, baseval & ~FPGA_PROG); /* PROGRAM low pulse */
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| 	WRITE_WORD(addr, baseval);              /* release */
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| 	diva_os_wait(50);  /* wait until FPGA finished internal memory clear */
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| /*
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|  *	check done pin, must be low
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|  */
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| 	if (READ_WORD(addr) & FPGA_BUSY)
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| 	{
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| 		DBG_FTL(("FPGA download: acknowledge for FPGA memory clear missing"))
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| 			xdiFreeFile(File);
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| 		DIVA_OS_MEM_DETACH_PROM(IoAdapter, addr);
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| 		return (0);
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| 	}
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| /*
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|  *	put data onto the FPGA
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|  */
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| 	while (code < FileLength)
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| 	{
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| 		val = ((word)File[code++]) << 3;
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| 
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| 		for (bit = 8; bit-- > 0; val <<= 1) /* put byte onto FPGA */
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| 		{
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| 			baseval &= ~FPGA_DOUT;             /* clr  data bit */
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| 			baseval |= (val & FPGA_DOUT);      /* copy data bit */
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| 			WRITE_WORD(addr, baseval);
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| 			WRITE_WORD(addr, baseval | FPGA_CCLK);     /* set CCLK hi */
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| 			WRITE_WORD(addr, baseval | FPGA_CCLK);     /* set CCLK hi */
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| 			WRITE_WORD(addr, baseval);                 /* set CCLK lo */
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| 		}
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| 	}
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| 	xdiFreeFile(File);
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| 	diva_os_wait(100);
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| 	val = READ_WORD(addr);
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| 
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| 	DIVA_OS_MEM_DETACH_PROM(IoAdapter, addr);
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| 
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| 	if (!(val & FPGA_BUSY))
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| 	{
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| 		DBG_FTL(("FPGA download: chip remains in busy state (0x%04x)", val))
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| 			return (0);
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| 	}
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| 
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| 	return (1);
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| }
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| 
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| static int load_qBri_hardware(PISDN_ADAPTER IoAdapter) {
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| 	return (0);
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| }
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| 
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| /* --------------------------------------------------------------------------
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|    Card ISR
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|    -------------------------------------------------------------------------- */
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| static int qBri_ISR(struct _ISDN_ADAPTER *IoAdapter) {
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| 	dword volatile     __iomem *qBriIrq;
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| 
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| 	PADAPTER_LIST_ENTRY QuadroList = IoAdapter->QuadroList;
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| 
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| 	word			i;
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| 	int			serviced = 0;
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| 	byte __iomem *p;
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| 
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| 	p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
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| 
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| 	if (!(READ_BYTE(&p[PLX9054_INTCSR]) & 0x80)) {
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| 		DIVA_OS_MEM_DETACH_RESET(IoAdapter, p);
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| 		return (0);
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| 	}
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| 	DIVA_OS_MEM_DETACH_RESET(IoAdapter, p);
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| 
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| /*
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|  *	clear interrupt line (reset Local Interrupt Test Register)
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|  */
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| 	p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
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| 	qBriIrq = (dword volatile __iomem *)(&p[DIVA_4BRI_REVISION(IoAdapter) ? (MQ2_BREG_IRQ_TEST)  : (MQ_BREG_IRQ_TEST)]);
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| 	WRITE_DWORD(qBriIrq, MQ_IRQ_REQ_OFF);
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| 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
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| 
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| 	for (i = 0; i < IoAdapter->tasks; ++i)
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| 	{
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| 		IoAdapter = QuadroList->QuadroAdapter[i];
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| 
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| 		if (IoAdapter && IoAdapter->Initialized
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| 		    && IoAdapter->tst_irq(&IoAdapter->a))
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| 		{
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| 			IoAdapter->IrqCount++;
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| 			serviced = 1;
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| 			diva_os_schedule_soft_isr(&IoAdapter->isr_soft_isr);
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| 		}
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| 	}
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| 
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| 	return (serviced);
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| }
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| 
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| /* --------------------------------------------------------------------------
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|    Does disable the interrupt on the card
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|    -------------------------------------------------------------------------- */
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| static void disable_qBri_interrupt(PISDN_ADAPTER IoAdapter) {
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| 	dword volatile __iomem *qBriIrq;
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| 	byte __iomem *p;
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| 
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| 	if (IoAdapter->ControllerNumber > 0)
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| 		return;
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| /*
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|  *	clear interrupt line (reset Local Interrupt Test Register)
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|  */
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| 	p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
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| 	WRITE_BYTE(&p[PLX9054_INTCSR], 0x00);	/* disable PCI interrupts */
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| 	DIVA_OS_MEM_DETACH_RESET(IoAdapter, p);
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| 
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| 	p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
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| 	qBriIrq = (dword volatile __iomem *)(&p[DIVA_4BRI_REVISION(IoAdapter) ? (MQ2_BREG_IRQ_TEST)  : (MQ_BREG_IRQ_TEST)]);
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| 	WRITE_DWORD(qBriIrq, MQ_IRQ_REQ_OFF);
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| 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
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| }
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| 
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| /* --------------------------------------------------------------------------
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|    Install Adapter Entry Points
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|    -------------------------------------------------------------------------- */
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| static void set_common_qBri_functions(PISDN_ADAPTER IoAdapter) {
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| 	ADAPTER *a;
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| 
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| 	a = &IoAdapter->a;
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| 
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| 	a->ram_in           = mem_in;
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| 	a->ram_inw          = mem_inw;
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| 	a->ram_in_buffer    = mem_in_buffer;
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| 	a->ram_look_ahead   = mem_look_ahead;
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| 	a->ram_out          = mem_out;
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| 	a->ram_outw         = mem_outw;
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| 	a->ram_out_buffer   = mem_out_buffer;
 | |
| 	a->ram_inc          = mem_inc;
 | |
| 
 | |
| 	IoAdapter->out = pr_out;
 | |
| 	IoAdapter->dpc = pr_dpc;
 | |
| 	IoAdapter->tst_irq = scom_test_int;
 | |
| 	IoAdapter->clr_irq  = scom_clear_int;
 | |
| 	IoAdapter->pcm  = (struct pc_maint *)MIPS_MAINT_OFFS;
 | |
| 
 | |
| 	IoAdapter->load = load_qBri_hardware;
 | |
| 
 | |
| 	IoAdapter->disIrq = disable_qBri_interrupt;
 | |
| 	IoAdapter->rstFnc = reset_qBri_hardware;
 | |
| 	IoAdapter->stop = stop_qBri_hardware;
 | |
| 	IoAdapter->trapFnc = qBri_cpu_trapped;
 | |
| 
 | |
| 	IoAdapter->diva_isr_handler = qBri_ISR;
 | |
| 
 | |
| 	IoAdapter->a.io = (void *)IoAdapter;
 | |
| }
 | |
| 
 | |
| static void set_qBri_functions(PISDN_ADAPTER IoAdapter) {
 | |
| 	if (!IoAdapter->tasks) {
 | |
| 		IoAdapter->tasks = MQ_INSTANCE_COUNT;
 | |
| 	}
 | |
| 	IoAdapter->MemorySize = MQ_MEMORY_SIZE;
 | |
| 	set_common_qBri_functions(IoAdapter);
 | |
| 	diva_os_set_qBri_functions(IoAdapter);
 | |
| }
 | |
| 
 | |
| static void set_qBri2_functions(PISDN_ADAPTER IoAdapter) {
 | |
| 	if (!IoAdapter->tasks) {
 | |
| 		IoAdapter->tasks = MQ_INSTANCE_COUNT;
 | |
| 	}
 | |
| 	IoAdapter->MemorySize = (IoAdapter->tasks == 1) ? BRI2_MEMORY_SIZE : MQ2_MEMORY_SIZE;
 | |
| 	set_common_qBri_functions(IoAdapter);
 | |
| 	diva_os_set_qBri2_functions(IoAdapter);
 | |
| }
 | |
| 
 | |
| /******************************************************************************/
 | |
| 
 | |
| void prepare_qBri_functions(PISDN_ADAPTER IoAdapter) {
 | |
| 
 | |
| 	set_qBri_functions(IoAdapter->QuadroList->QuadroAdapter[0]);
 | |
| 	set_qBri_functions(IoAdapter->QuadroList->QuadroAdapter[1]);
 | |
| 	set_qBri_functions(IoAdapter->QuadroList->QuadroAdapter[2]);
 | |
| 	set_qBri_functions(IoAdapter->QuadroList->QuadroAdapter[3]);
 | |
| 
 | |
| }
 | |
| 
 | |
| void prepare_qBri2_functions(PISDN_ADAPTER IoAdapter) {
 | |
| 	if (!IoAdapter->tasks) {
 | |
| 		IoAdapter->tasks = MQ_INSTANCE_COUNT;
 | |
| 	}
 | |
| 
 | |
| 	set_qBri2_functions(IoAdapter->QuadroList->QuadroAdapter[0]);
 | |
| 	if (IoAdapter->tasks > 1) {
 | |
| 		set_qBri2_functions(IoAdapter->QuadroList->QuadroAdapter[1]);
 | |
| 		set_qBri2_functions(IoAdapter->QuadroList->QuadroAdapter[2]);
 | |
| 		set_qBri2_functions(IoAdapter->QuadroList->QuadroAdapter[3]);
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| /* -------------------------------------------------------------------------- */
 | 
