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julius |
/*$$HEADER*/
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/******************************************************************************/
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/* */
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/* H E A D E R I N F O R M A T I O N */
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/* */
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/******************************************************************************/
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// Project Name : OpenRISC Debug Proxy
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// File Name : linux_usb_driver_calls.c
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// Prepared By : jb
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// Project Start : 2008-10-01
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/*$$COPYRIGHT NOTICE*/
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/******************************************************************************/
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/* */
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/* C O P Y R I G H T N O T I C E */
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/* */
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/******************************************************************************/
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation;
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version 2.1 of the License, a copy of which is available from
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http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*$$DESCRIPTION*/
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/******************************************************************************/
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/* */
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/* D E S C R I P T I O N */
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/* */
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/******************************************************************************/
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//
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// Some generically named functions for interfacing to the JTAG driver
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// functions, making the code calling these platform independant. The correct
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// driver calling file (either Cygwin or Linux driver) is included at compile
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// time.
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// Also included in this file is the USB-JTAG chip initialisation function.
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//
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/*$$CHANGE HISTORY*/
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/******************************************************************************/
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/* */
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/* C H A N G E H I S T O R Y */
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/* */
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/******************************************************************************/
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// Date Version Description
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//------------------------------------------------------------------------
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// 081101 First revision jb
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#include <stdio.h>
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#include "WinTypes.h"
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#include "usb_driver_calls.h"
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#include "usb_functions.h"
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#include "or_debug_proxy.h"
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#include "FT2232cMpsseJtag.h"
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static FT2232cMpsseJtag *pFT2232cMpsseJtag = NULL;
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// Global USB JTAG device handle
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FTC_HANDLE ftHandle;
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// Write data to external device:
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//FTC_STATUS FT2232cMpsseJtag::JTAG_WriteDataToExternalDevice(FTC_HANDLE ftHandle, BOOL bInstructionTestData, DWORD dwNumBitsToWrite,
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FTC_STATUS
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FT2232_USB_JTAG_WriteDataToExternalDevice(
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//FTC_HANDLE ftHandle,
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BOOL bInstructionTestData,
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DWORD dwNumBitsToWrite,
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PWriteDataByteBuffer pWriteDataBuffer,
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DWORD dwNumBytesToWrite,
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DWORD dwTapControllerState)
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{
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// Call the driver from the libary compiled in Linux
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return pFT2232cMpsseJtag->JTAG_WriteDataToExternalDevice(
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ftHandle,
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bInstructionTestData,
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dwNumBitsToWrite,
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pWriteDataBuffer,
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dwNumBytesToWrite,
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dwTapControllerState);
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}
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// Read data from external device
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FTC_STATUS
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FT2232_USB_JTAG_ReadDataFromExternalDevice(
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//FTC_HANDLE ftHandle,
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BOOL bInstructionTestData,
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DWORD dwNumBitsToRead,
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PReadDataByteBuffer pReadDataBuffer,
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LPDWORD lpdwNumBytesReturned,
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DWORD dwTapControllerState)
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{
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return pFT2232cMpsseJtag->JTAG_ReadDataFromExternalDevice(
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ftHandle,
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bInstructionTestData,
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dwNumBitsToRead,
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pReadDataBuffer,
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lpdwNumBytesReturned,
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dwTapControllerState);
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}
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// Write Read
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FTC_STATUS
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FT2232_USB_JTAG_WriteReadDataToFromExternalDevice(
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//FTC_HANDLE ftHandle,
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BOOL bInstructionTestData,
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DWORD dwNumBitsToWriteRead,
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PWriteDataByteBuffer pWriteDataBuffer,
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DWORD dwNumBytesToWrite,
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PReadDataByteBuffer pReadDataBuffer,
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LPDWORD lpdwNumBytesReturned,
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DWORD dwTapControllerState)
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{
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return pFT2232cMpsseJtag->JTAG_WriteReadDataToFromExternalDevice(
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ftHandle,
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bInstructionTestData,
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dwNumBitsToWriteRead,
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pWriteDataBuffer,
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dwNumBytesToWrite,
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pReadDataBuffer,
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lpdwNumBytesReturned,
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dwTapControllerState);
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}
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// Close device
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FTC_STATUS
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FT2232_USB_JTAG_CloseDevice()
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{
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return pFT2232cMpsseJtag->JTAG_CloseDevice(ftHandle);
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}
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// Set clock frequency
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// Frequency = 12Mhz/((1+divisor)*2),
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// divisor=1000 => Freq=5995Hz~=6kHz, divisor=500=>Freq=12kHz
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#define USB_JTAG_CLK_DIVIDER 0
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int init_usb_jtag()
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{
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FTC_STATUS Status = FTC_SUCCESS;
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DWORD dwNumDevices = 0;
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//char szDeviceName[100];
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//char szDeviceName[] = "Dual RS232 A"; // Original, unmodified FT2232 device name
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// We now open the device by its name
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char szDeviceName[] = "ORSoC OpenRISC debug cable A\0"; // ORSoC debug cable UART A name
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DWORD dwLocationID = 0;
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DWORD dwClockFrequencyHz = 0;
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FTC_INPUT_OUTPUT_PINS LowInputOutputPinsData;
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FTC_INPUT_OUTPUT_PINS HighInputOutputPinsData;
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FTC_LOW_HIGH_PINS LowPinsInputData;
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FTC_LOW_HIGH_PINS HighPinsInputData;
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//char szDllVersion[10];
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// Has been changed to hardcode load device named "ORSoC OpenRISC debug cable A"; - jb 090301
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/*
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//Status = JTAG_GetNumDevices(&dwNumDevices);
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Status = pFT2232cMpsseJtag->JTAG_GetNumDevices(&dwNumDevices);
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if (DEBUG_USB_DRVR_FUNCS)
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{
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if (Status == FTC_SUCCESS)
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printf("JTAG_GetNumDevices detected %ld available FT2232x device(s) connected to the system.\n", dwNumDevices);
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else
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{
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printf("GetNumDevices failed with status code 0x%lx\n", Status);
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exit(-1);
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}
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}
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if (dwNumDevices == 0)
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{
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printf("Error: USB Debugger device not detected\n");
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exit(-1);
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}
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Status = pFT2232cMpsseJtag->JTAG_GetDllVersion(szDllVersion, 10);
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if (DEBUG_USB_DRVR_FUNCS)
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printf("JTAG_GetDLLVersion returned Status: 0x%lx and version %s\n", Status, szDllVersion);
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*/
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dwNumDevices = 1;
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if (Status == FTC_SUCCESS)
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{
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if (dwNumDevices == 1)
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{
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/*
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Status = pFT2232cMpsseJtag->JTAG_GetDeviceNameLocationID(0,szDeviceName,50, &dwLocationID);
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if (DEBUG_USB_DRVR_FUNCS)
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// In the Windows version it shows Dual RS323 A at: 0x321
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printf("JTAG_GetDeviceNameLocID: %s at: 0x%lx\n", szDeviceName, dwLocationID);
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*/
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dwLocationID = 0;
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if (Status == FTC_SUCCESS)
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{
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Status = pFT2232cMpsseJtag->JTAG_OpenSpecifiedDevice(szDeviceName,dwLocationID, &ftHandle);
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}
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}
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else
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// When there's more than 1 device, will just open first device. Perhaps implement selection menu for
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// users in event that there's more than 1, but for now just hard code this to open the same device
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{
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//if (dwNumDevices == 2)
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//{
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Status=pFT2232cMpsseJtag->JTAG_GetDeviceNameLocationID(1,szDeviceName,50,&dwLocationID);
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if (Status == FTC_SUCCESS)
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{
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Status = pFT2232cMpsseJtag->JTAG_OpenSpecifiedDevice(szDeviceName, dwLocationID, &ftHandle);
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}
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//}
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}
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// Try initialising and obtaining a handle to a specific device
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if (Status == FTC_SUCCESS)
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{
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printf("Initialising USB JTAG interface\n");
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Status = pFT2232cMpsseJtag->JTAG_InitDevice(ftHandle, 0);
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// Set clock frequency
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// Frequency = 12Mhz/((1+divisor)*2),
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// divisor=1000 => Freq=5995Hz~=6kHz, divisor=500=>Freq=12kHz
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if (DEBUG_USB_DRVR_FUNCS)
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printf("Setting JTAG clock frequency. Divisor = %d, TCK ~= %dkHz.\n", USB_JTAG_CLK_DIVIDER, (12000000/((USB_JTAG_CLK_DIVIDER+1)*2))/1000);
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if (Status == FTC_SUCCESS)
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Status = pFT2232cMpsseJtag->JTAG_SetClock(ftHandle, USB_JTAG_CLK_DIVIDER, &dwClockFrequencyHz);
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if (Status == FTC_SUCCESS){
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Status = pFT2232cMpsseJtag->JTAG_GetClock(5, &dwClockFrequencyHz);
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}
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}
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//if (Status == FTC_SUCCESS)
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// Status = JTAG_SetLoopback(ftHandle, true);
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if (Status == FTC_SUCCESS)
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{
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if (DEBUG_USB_DRVR_FUNCS) // Let LED blink
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{
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// true=output, false=input
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LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4
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LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5
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LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6
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| 281 |
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LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7
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| 282 |
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LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4
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| 283 |
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LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5
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| 284 |
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LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6
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LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7
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| 286 |
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| 287 |
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HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0 Output
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| 288 |
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HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1 Output
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HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2 Output
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| 290 |
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HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3 Output
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| 291 |
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HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0
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| 292 |
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HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1
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| 293 |
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HighInputOutputPinsData.bPin3LowHighState = true; // ACBUS2 LED RXLEDA A1 OFF
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HighInputOutputPinsData.bPin4LowHighState = false; // ACBUS3 LED TXLEDA A2 ON
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| 295 |
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| 296 |
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Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle,
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true,
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&LowInputOutputPinsData,
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true,
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&HighInputOutputPinsData);
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LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4
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| 303 |
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LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5
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| 304 |
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LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6
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| 305 |
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LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7
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| 306 |
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LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4
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| 307 |
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LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5
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| 308 |
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LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6
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LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7
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| 310 |
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| 311 |
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HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0
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| 312 |
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HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1
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| 313 |
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HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2
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| 314 |
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HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3
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| 315 |
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HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0
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| 316 |
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HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1
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| 317 |
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HighInputOutputPinsData.bPin3LowHighState = false; // ACBUS2 LED RXLEDA A1 ON
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| 318 |
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HighInputOutputPinsData.bPin4LowHighState = true; // ACBUS3 LED TXLEDA A2 OFF
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| 319 |
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| 320 |
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Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle,
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| 321 |
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true,
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| 322 |
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&LowInputOutputPinsData,
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| 323 |
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true,
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| 324 |
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&HighInputOutputPinsData);
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| 325 |
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| 326 |
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LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 -
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| 327 |
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LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5
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| 328 |
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LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6
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| 329 |
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LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7
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| 330 |
|
|
LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4
|
| 331 |
|
|
LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5
|
| 332 |
|
|
LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6
|
| 333 |
|
|
LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7
|
| 334 |
|
|
|
| 335 |
|
|
HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0
|
| 336 |
|
|
HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1
|
| 337 |
|
|
HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2
|
| 338 |
|
|
HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3
|
| 339 |
|
|
HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0
|
| 340 |
|
|
HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1
|
| 341 |
|
|
HighInputOutputPinsData.bPin3LowHighState = true; // ACBUS2 LED RXLEDA A1 OFF
|
| 342 |
|
|
HighInputOutputPinsData.bPin4LowHighState = true; // ACBUS3 LED TXLEDA A2 OFF
|
| 343 |
|
|
|
| 344 |
|
|
Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle,
|
| 345 |
|
|
true,
|
| 346 |
|
|
&LowInputOutputPinsData,
|
| 347 |
|
|
true,
|
| 348 |
|
|
&HighInputOutputPinsData);
|
| 349 |
|
|
|
| 350 |
|
|
LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 -
|
| 351 |
|
|
LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5
|
| 352 |
|
|
LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6
|
| 353 |
|
|
LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7
|
| 354 |
|
|
LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4
|
| 355 |
|
|
LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5
|
| 356 |
|
|
LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6
|
| 357 |
|
|
LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7
|
| 358 |
|
|
|
| 359 |
|
|
HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0
|
| 360 |
|
|
HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1
|
| 361 |
|
|
HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2
|
| 362 |
|
|
HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3
|
| 363 |
|
|
HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0
|
| 364 |
|
|
HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1
|
| 365 |
|
|
HighInputOutputPinsData.bPin3LowHighState = false; // ACBUS2 LED RXLEDA A1 ON
|
| 366 |
|
|
HighInputOutputPinsData.bPin4LowHighState = false; // ACBUS3 LED TXLEDA A2 ON
|
| 367 |
|
|
|
| 368 |
|
|
Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle,
|
| 369 |
|
|
true,
|
| 370 |
|
|
&LowInputOutputPinsData,
|
| 371 |
|
|
true,
|
| 372 |
|
|
&HighInputOutputPinsData);
|
| 373 |
|
|
}
|
| 374 |
|
|
|
| 375 |
|
|
// Setup GPIO pins for JTAG
|
| 376 |
|
|
LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 -
|
| 377 |
|
|
// set ADBUS4 to output 0 to enable JTAG buffers on Olimex devices
|
| 378 |
|
|
LowInputOutputPinsData.bPin2InputOutputState = true; //ADBUS5
|
| 379 |
|
|
LowInputOutputPinsData.bPin3InputOutputState = true;
|
| 380 |
|
|
LowInputOutputPinsData.bPin4InputOutputState = true;
|
| 381 |
|
|
//ADBUS4 = 0 (enable JTAG buffers on Olimex devices)
|
| 382 |
|
|
LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4
|
| 383 |
|
|
LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5
|
| 384 |
|
|
LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6
|
| 385 |
|
|
LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7
|
| 386 |
|
|
|
| 387 |
|
|
HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0
|
| 388 |
|
|
HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1
|
| 389 |
|
|
HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2
|
| 390 |
|
|
HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3
|
| 391 |
|
|
HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0
|
| 392 |
|
|
HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1
|
| 393 |
|
|
HighInputOutputPinsData.bPin3LowHighState = false; // ACBUS2 LED RXLEDA A1 ON
|
| 394 |
|
|
HighInputOutputPinsData.bPin4LowHighState = true; // ACBUS3
|
| 395 |
|
|
|
| 396 |
|
|
Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle,
|
| 397 |
|
|
true,
|
| 398 |
|
|
&LowInputOutputPinsData,
|
| 399 |
|
|
true,
|
| 400 |
|
|
&HighInputOutputPinsData);
|
| 401 |
|
|
|
| 402 |
|
|
if (Status == FTC_SUCCESS)
|
| 403 |
|
|
Status = pFT2232cMpsseJtag->JTAG_GetGeneralPurposeInputOutputPins(ftHandle, true, &LowPinsInputData,
|
| 404 |
|
|
true, &HighPinsInputData);
|
| 405 |
|
|
|
| 406 |
|
|
if (DEBUG_USB_DRVR_FUNCS)
|
| 407 |
|
|
printf("JTAG low gpio pins values: (ADBUS7-ADBUS4):%x%x%x%x\n",
|
| 408 |
|
|
(LowPinsInputData.bPin4LowHighState==true),
|
| 409 |
|
|
(LowPinsInputData.bPin3LowHighState==true),
|
| 410 |
|
|
(LowPinsInputData.bPin2LowHighState==true),
|
| 411 |
|
|
(LowPinsInputData.bPin1LowHighState==true));
|
| 412 |
|
|
|
| 413 |
|
|
if (DEBUG_USB_DRVR_FUNCS)
|
| 414 |
|
|
printf("JTAG high gpio pins values: (ACBUS3-ACBUS0): %x%x%x%x\n",
|
| 415 |
|
|
(HighPinsInputData.bPin4LowHighState==true),
|
| 416 |
|
|
(HighPinsInputData.bPin3LowHighState==true),
|
| 417 |
|
|
(HighPinsInputData.bPin2LowHighState==true),
|
| 418 |
|
|
(HighPinsInputData.bPin1LowHighState==true));
|
| 419 |
|
|
}
|
| 420 |
|
|
}
|
| 421 |
|
|
|
| 422 |
|
|
|
| 423 |
|
|
if (Status == FTC_SUCCESS)
|
| 424 |
|
|
return 0;
|
| 425 |
|
|
else
|
| 426 |
|
|
return 1;
|
| 427 |
|
|
|
| 428 |
|
|
}
|
