mirror of https://gitee.com/openkylin/linux.git
34 lines
901 B
C
34 lines
901 B
C
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// Routine to trigger Finisar GTA analyzer. Runs of GPIO2
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// NOTE: DEBUG ONLY! Could interfere with FCMNGR/Miniport operation
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// since it writes directly to the Tachyon board. This function
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// developed for Compaq HBA Tachyon TS v1.2 (Rev X5 PCB)
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#include "cpqfcTStrigger.h"
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#if TRIGGERABLE_HBA
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#include <linux/kernel.h>
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#include <linux/ioport.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <asm/io.h>
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void TriggerHBA( void* IOBaseUpper, int Print)
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{
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__u32 long value;
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// get initial value in hopes of not modifying any other GPIO line
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IOBaseUpper += 0x188; // TachTL/TS Control reg
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value = readl( IOBaseUpper);
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// set HIGH to trigger external analyzer (tested on Dolche Finisar 1Gb GTA)
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// The Finisar anaylzer triggers on low-to-high TTL transition
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value |= 0x01; // set bit 0
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writel( value, IOBaseUpper);
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if( Print)
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printk( " -GPIO0 set- ");
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}
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#endif
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