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[/] [or1k/] [trunk/] [or_debug_proxy/] [src/] [linux_usb_driver_calls.c] - Rev 1779
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/*$$HEADER*/ /******************************************************************************/ /* */ /* H E A D E R I N F O R M A T I O N */ /* */ /******************************************************************************/ // Project Name : OpenRISC Debug Proxy // File Name : linux_usb_driver_calls.c // Prepared By : jb // Project Start : 2008-10-01 /*$$COPYRIGHT NOTICE*/ /******************************************************************************/ /* */ /* C O P Y R I G H T N O T I C E */ /* */ /******************************************************************************/ /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; version 2.1 of the License, a copy of which is available from http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /*$$DESCRIPTION*/ /******************************************************************************/ /* */ /* D E S C R I P T I O N */ /* */ /******************************************************************************/ // // Some generically named functions for interfacing to the JTAG driver // functions, making the code calling these platform independant. The correct // driver calling file (either Cygwin or Linux driver) is included at compile // time. // Also included in this file is the USB-JTAG chip initialisation function. // /*$$CHANGE HISTORY*/ /******************************************************************************/ /* */ /* C H A N G E H I S T O R Y */ /* */ /******************************************************************************/ // Date Version Description //------------------------------------------------------------------------ // 081101 First revision jb #include <stdio.h> #include "WinTypes.h" #include "usb_driver_calls.h" #include "usb_functions.h" #include "or_debug_proxy.h" #include "FT2232cMpsseJtag.h" static FT2232cMpsseJtag *pFT2232cMpsseJtag = NULL; // Global USB JTAG device handle FTC_HANDLE ftHandle; // Write data to external device: //FTC_STATUS FT2232cMpsseJtag::JTAG_WriteDataToExternalDevice(FTC_HANDLE ftHandle, BOOL bInstructionTestData, DWORD dwNumBitsToWrite, FTC_STATUS FT2232_USB_JTAG_WriteDataToExternalDevice( //FTC_HANDLE ftHandle, BOOL bInstructionTestData, DWORD dwNumBitsToWrite, PWriteDataByteBuffer pWriteDataBuffer, DWORD dwNumBytesToWrite, DWORD dwTapControllerState) { // Call the driver from the libary compiled in Linux return pFT2232cMpsseJtag->JTAG_WriteDataToExternalDevice( ftHandle, bInstructionTestData, dwNumBitsToWrite, pWriteDataBuffer, dwNumBytesToWrite, dwTapControllerState); } // Read data from external device FTC_STATUS FT2232_USB_JTAG_ReadDataFromExternalDevice( //FTC_HANDLE ftHandle, BOOL bInstructionTestData, DWORD dwNumBitsToRead, PReadDataByteBuffer pReadDataBuffer, LPDWORD lpdwNumBytesReturned, DWORD dwTapControllerState) { return pFT2232cMpsseJtag->JTAG_ReadDataFromExternalDevice( ftHandle, bInstructionTestData, dwNumBitsToRead, pReadDataBuffer, lpdwNumBytesReturned, dwTapControllerState); } // Write Read FTC_STATUS FT2232_USB_JTAG_WriteReadDataToFromExternalDevice( //FTC_HANDLE ftHandle, BOOL bInstructionTestData, DWORD dwNumBitsToWriteRead, PWriteDataByteBuffer pWriteDataBuffer, DWORD dwNumBytesToWrite, PReadDataByteBuffer pReadDataBuffer, LPDWORD lpdwNumBytesReturned, DWORD dwTapControllerState) { return pFT2232cMpsseJtag->JTAG_WriteReadDataToFromExternalDevice( ftHandle, bInstructionTestData, dwNumBitsToWriteRead, pWriteDataBuffer, dwNumBytesToWrite, pReadDataBuffer, lpdwNumBytesReturned, dwTapControllerState); } // Close device FTC_STATUS FT2232_USB_JTAG_CloseDevice() { return pFT2232cMpsseJtag->JTAG_CloseDevice(ftHandle); } // Set clock frequency // Frequency = 12Mhz/((1+divisor)*2), // divisor=1000 => Freq=5995Hz~=6kHz, divisor=500=>Freq=12kHz #define USB_JTAG_CLK_DIVIDER 0 int init_usb_jtag() { FTC_STATUS Status = FTC_SUCCESS; DWORD dwNumDevices = 0; //char szDeviceName[100]; //char szDeviceName[] = "Dual RS232 A"; // Original, unmodified FT2232 device name // We now open the device by its name char szDeviceName[] = "ORSoC OpenRISC debug cable A\0"; // ORSoC debug cable UART A name DWORD dwLocationID = 0; DWORD dwClockFrequencyHz = 0; FTC_INPUT_OUTPUT_PINS LowInputOutputPinsData; FTC_INPUT_OUTPUT_PINS HighInputOutputPinsData; FTC_LOW_HIGH_PINS LowPinsInputData; FTC_LOW_HIGH_PINS HighPinsInputData; //char szDllVersion[10]; // Has been changed to hardcode load device named "ORSoC OpenRISC debug cable A"; - jb 090301 /* //Status = JTAG_GetNumDevices(&dwNumDevices); Status = pFT2232cMpsseJtag->JTAG_GetNumDevices(&dwNumDevices); if (DEBUG_USB_DRVR_FUNCS) { if (Status == FTC_SUCCESS) printf("JTAG_GetNumDevices detected %ld available FT2232x device(s) connected to the system.\n", dwNumDevices); else { printf("GetNumDevices failed with status code 0x%lx\n", Status); exit(-1); } } if (dwNumDevices == 0) { printf("Error: USB Debugger device not detected\n"); exit(-1); } Status = pFT2232cMpsseJtag->JTAG_GetDllVersion(szDllVersion, 10); if (DEBUG_USB_DRVR_FUNCS) printf("JTAG_GetDLLVersion returned Status: 0x%lx and version %s\n", Status, szDllVersion); */ dwNumDevices = 1; if (Status == FTC_SUCCESS) { if (dwNumDevices == 1) { /* Status = pFT2232cMpsseJtag->JTAG_GetDeviceNameLocationID(0,szDeviceName,50, &dwLocationID); if (DEBUG_USB_DRVR_FUNCS) // In the Windows version it shows Dual RS323 A at: 0x321 printf("JTAG_GetDeviceNameLocID: %s at: 0x%lx\n", szDeviceName, dwLocationID); */ dwLocationID = 0; if (Status == FTC_SUCCESS) { Status = pFT2232cMpsseJtag->JTAG_OpenSpecifiedDevice(szDeviceName,dwLocationID, &ftHandle); } } else // When there's more than 1 device, will just open first device. Perhaps implement selection menu for // users in event that there's more than 1, but for now just hard code this to open the same device { //if (dwNumDevices == 2) //{ Status=pFT2232cMpsseJtag->JTAG_GetDeviceNameLocationID(1,szDeviceName,50,&dwLocationID); if (Status == FTC_SUCCESS) { Status = pFT2232cMpsseJtag->JTAG_OpenSpecifiedDevice(szDeviceName, dwLocationID, &ftHandle); } //} } // Try initialising and obtaining a handle to a specific device if (Status == FTC_SUCCESS) { printf("Initialising USB JTAG interface\n"); Status = pFT2232cMpsseJtag->JTAG_InitDevice(ftHandle, 0); // Set clock frequency // Frequency = 12Mhz/((1+divisor)*2), // divisor=1000 => Freq=5995Hz~=6kHz, divisor=500=>Freq=12kHz if (DEBUG_USB_DRVR_FUNCS) printf("Setting JTAG clock frequency. Divisor = %d, TCK ~= %dkHz.\n", USB_JTAG_CLK_DIVIDER, (12000000/((USB_JTAG_CLK_DIVIDER+1)*2))/1000); if (Status == FTC_SUCCESS) Status = pFT2232cMpsseJtag->JTAG_SetClock(ftHandle, USB_JTAG_CLK_DIVIDER, &dwClockFrequencyHz); if (Status == FTC_SUCCESS){ Status = pFT2232cMpsseJtag->JTAG_GetClock(5, &dwClockFrequencyHz); } } //if (Status == FTC_SUCCESS) // Status = JTAG_SetLoopback(ftHandle, true); if (Status == FTC_SUCCESS) { if (DEBUG_USB_DRVR_FUNCS) // Let LED blink { // true=output, false=input LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5 LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6 LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7 LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4 LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5 LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6 LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7 HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0 Output HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1 Output HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2 Output HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3 Output HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0 HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1 HighInputOutputPinsData.bPin3LowHighState = true; // ACBUS2 LED RXLEDA A1 OFF HighInputOutputPinsData.bPin4LowHighState = false; // ACBUS3 LED TXLEDA A2 ON Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle, true, &LowInputOutputPinsData, true, &HighInputOutputPinsData); LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5 LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6 LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7 LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4 LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5 LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6 LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7 HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0 HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1 HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2 HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3 HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0 HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1 HighInputOutputPinsData.bPin3LowHighState = false; // ACBUS2 LED RXLEDA A1 ON HighInputOutputPinsData.bPin4LowHighState = true; // ACBUS3 LED TXLEDA A2 OFF Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle, true, &LowInputOutputPinsData, true, &HighInputOutputPinsData); LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 - LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5 LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6 LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7 LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4 LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5 LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6 LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7 HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0 HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1 HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2 HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3 HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0 HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1 HighInputOutputPinsData.bPin3LowHighState = true; // ACBUS2 LED RXLEDA A1 OFF HighInputOutputPinsData.bPin4LowHighState = true; // ACBUS3 LED TXLEDA A2 OFF Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle, true, &LowInputOutputPinsData, true, &HighInputOutputPinsData); LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 - LowInputOutputPinsData.bPin2InputOutputState = true; // ADBUS5 LowInputOutputPinsData.bPin3InputOutputState = true; // ADBUS6 LowInputOutputPinsData.bPin4InputOutputState = true; // ADBUS7 LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4 LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5 LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6 LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7 HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0 HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1 HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2 HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3 HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0 HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1 HighInputOutputPinsData.bPin3LowHighState = false; // ACBUS2 LED RXLEDA A1 ON HighInputOutputPinsData.bPin4LowHighState = false; // ACBUS3 LED TXLEDA A2 ON Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle, true, &LowInputOutputPinsData, true, &HighInputOutputPinsData); } // Setup GPIO pins for JTAG LowInputOutputPinsData.bPin1InputOutputState = true; // ADBUS4 - // set ADBUS4 to output 0 to enable JTAG buffers on Olimex devices LowInputOutputPinsData.bPin2InputOutputState = true; //ADBUS5 LowInputOutputPinsData.bPin3InputOutputState = true; LowInputOutputPinsData.bPin4InputOutputState = true; //ADBUS4 = 0 (enable JTAG buffers on Olimex devices) LowInputOutputPinsData.bPin1LowHighState = false; // ADBUS4 LowInputOutputPinsData.bPin2LowHighState = false; // ADBUS5 LowInputOutputPinsData.bPin3LowHighState = true; // ADBUS6 LowInputOutputPinsData.bPin4LowHighState = true; // ADBUS7 HighInputOutputPinsData.bPin1InputOutputState = true; // ACBUS0 HighInputOutputPinsData.bPin2InputOutputState = true; // ACBUS1 HighInputOutputPinsData.bPin3InputOutputState = true; // ACBUS2 HighInputOutputPinsData.bPin4InputOutputState = true; // ACBUS3 HighInputOutputPinsData.bPin1LowHighState = true; // ACBUS0 HighInputOutputPinsData.bPin2LowHighState = true; // ACBUS1 HighInputOutputPinsData.bPin3LowHighState = false; // ACBUS2 LED RXLEDA A1 ON HighInputOutputPinsData.bPin4LowHighState = true; // ACBUS3 Status = pFT2232cMpsseJtag->JTAG_SetGeneralPurposeInputOutputPins(ftHandle, true, &LowInputOutputPinsData, true, &HighInputOutputPinsData); if (Status == FTC_SUCCESS) Status = pFT2232cMpsseJtag->JTAG_GetGeneralPurposeInputOutputPins(ftHandle, true, &LowPinsInputData, true, &HighPinsInputData); if (DEBUG_USB_DRVR_FUNCS) printf("JTAG low gpio pins values: (ADBUS7-ADBUS4):%x%x%x%x\n", (LowPinsInputData.bPin4LowHighState==true), (LowPinsInputData.bPin3LowHighState==true), (LowPinsInputData.bPin2LowHighState==true), (LowPinsInputData.bPin1LowHighState==true)); if (DEBUG_USB_DRVR_FUNCS) printf("JTAG high gpio pins values: (ACBUS3-ACBUS0): %x%x%x%x\n", (HighPinsInputData.bPin4LowHighState==true), (HighPinsInputData.bPin3LowHighState==true), (HighPinsInputData.bPin2LowHighState==true), (HighPinsInputData.bPin1LowHighState==true)); } } if (Status == FTC_SUCCESS) return 0; else return 1; }