cpqfcTStrigger.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
源码类别:
Linux/Unix编程
开发平台:
Unix_Linux
- // Routine to trigger Finisar GTA analyzer. Runs of GPIO2
- // NOTE: DEBUG ONLY! Could interfere with FCMNGR/Miniport operation
- // since it writes directly to the Tachyon board. This function
- // developed for Compaq HBA Tachyon TS v1.2 (Rev X5 PCB)
- #include "cpqfcTStrigger.h"
- #if TRIGGERABLE_HBA
- #include <linux/kernel.h>
- #include <linux/ioport.h>
- #include <linux/types.h>
- #include <linux/pci.h>
- #include <asm/io.h>
- void TriggerHBA( void* IOBaseUpper, int Print)
- {
- __u32 long value;
- // get initial value in hopes of not modifying any other GPIO line
- IOBaseUpper += 0x188; // TachTL/TS Control reg
- value = readl( IOBaseUpper);
- // set HIGH to trigger external analyzer (tested on Dolche Finisar 1Gb GTA)
- // The Finisar anaylzer triggers on low-to-high TTL transition
- value |= 0x01; // set bit 0
- writel( value, IOBaseUpper);
- if( Print)
- printk( " -GPIO0 set- ");
- }
- #endif