X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fparport.c;h=0cfbd81f8bce6e3018d1e4a6a6c2e19e8cad5922;hp=4b0b193cd0aa899d7a110000c8f45787b5ae41d7;hb=68c598e88d5e09728ea845a81ab279c615bbaf0f;hpb=ec0f06db114d1cc9d1d59acd8f4e3b32414d5b8e diff --git a/src/jtag/parport.c b/src/jtag/parport.c index 4b0b193cd0..0cfbd81f8b 100644 --- a/src/jtag/parport.c +++ b/src/jtag/parport.c @@ -2,6 +2,9 @@ * Copyright (C) 2005 by Dominic Rath * * Dominic.Rath@gmx.de * * * + * Copyright (C) 2008 by Spencer Oliver * + * spen@spen-soft.co.uk * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -27,8 +30,8 @@ #include "bitbang.h" /* system includes */ -// -ino: 060521-1036 -#ifdef __FreeBSD__ +/* -ino: 060521-1036 */ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include #include @@ -38,9 +41,7 @@ #else -#ifndef _WIN32 -#include -#else +#ifdef _WIN32 #include "errno.h" #endif /* _WIN32 */ @@ -51,7 +52,7 @@ #include #if PARPORT_USE_PPDEV == 1 -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include #include #define PPRSTATUS PPIGSTATUS @@ -62,13 +63,16 @@ #endif #include #include +#else /* not PARPORT_USE_PPDEV */ +#ifndef _WIN32 +#include +#endif #endif #if PARPORT_USE_GIVEIO == 1 #if IS_CYGWIN == 1 #include #include -#undef ERROR #endif #endif @@ -88,22 +92,40 @@ typedef struct cable_s u8 OUTPUT_INVERT; /* data port bits that should be inverted */ u8 INPUT_INVERT; /* status port that should be inverted */ u8 PORT_INIT; /* initialize data port with this value */ + u8 PORT_EXIT; /* de-initialize data port with this value */ + u8 LED_MASK; /* data port bit for LED */ } cable_t; cable_t cables[] = { - /* name tdo trst tms tck tdi srst o_inv i_inv init */ - { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80 }, - { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80 }, - { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00 }, - { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10 }, - { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00 }, - { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } + /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */ + { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 }, + { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 }, + { "wiggler_ntrst_inverted", + 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80, 0x80, 0x00 }, + { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80, 0x80, 0x00 }, + { "arm-jtag", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x01, 0x80, 0x80, 0x80, 0x00 }, + { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 }, + { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00 }, + { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 }, + { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00 }, + { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00, 0x00, 0x00 }, +/* Altium Universal JTAG cable. Set the cable to Xilinx Mode and wire to target as follows: + HARD TCK - Target TCK + HARD TMS - Target TMS + HARD TDI - Target TDI + HARD TDO - Target TDO + SOFT TCK - Target TRST + SOFT TDI - Target SRST +*/ + { "altium", 0x10, 0x20, 0x04, 0x02, 0x01, 0x80, 0x00, 0x00, 0x10, 0x00, 0x08 }, + { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }; /* configuration */ -char* parport_cable; -unsigned long parport_port; +char* parport_cable = NULL; +u16 parport_port; +static int parport_exit = 0; /* interface variables */ @@ -122,6 +144,7 @@ static unsigned long statusport; int parport_read(void); void parport_write(int tck, int tms, int tdi); void parport_reset(int trst, int srst); +void parport_led(int on); int parport_speed(int speed); int parport_register_commands(struct command_context_s *cmd_ctx); @@ -131,6 +154,7 @@ int parport_quit(void); /* interface commands */ int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); jtag_interface_t parport_interface = { @@ -138,8 +162,6 @@ jtag_interface_t parport_interface = .execute_queue = bitbang_execute_queue, - .support_statemove = 0, - .speed = parport_speed, .register_commands = parport_register_commands, .init = parport_init, @@ -150,7 +172,8 @@ bitbang_interface_t parport_bitbang = { .read = parport_read, .write = parport_write, - .reset = parport_reset + .reset = parport_reset, + .blink = parport_led }; int parport_read(void) @@ -169,9 +192,24 @@ int parport_read(void) return 0; } -void parport_write(int tck, int tms, int tdi) +static __inline__ void parport_write_data(void) { u8 output; + output = dataport_value ^ cable->OUTPUT_INVERT; + +#if PARPORT_USE_PPDEV == 1 + ioctl(device_handle, PPWDATA, &output); +#else +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + outb(dataport, output); +#else + outb(output, dataport); +#endif +#endif +} + +void parport_write(int tck, int tms, int tdi) +{ int i = jtag_speed + 1; if (tck) @@ -189,25 +227,14 @@ void parport_write(int tck, int tms, int tdi) else dataport_value &= ~cable->TDI_MASK; - output = dataport_value ^ cable->OUTPUT_INVERT; - while (i-- > 0) -#if PARPORT_USE_PPDEV == 1 - ioctl(device_handle, PPWDATA, &output); -#else -#ifdef __FreeBSD__ - outb(dataport, output); -#else - outb(output, dataport); -#endif -#endif + parport_write_data(); } /* (1) assert or (0) deassert reset lines */ void parport_reset(int trst, int srst) { - u8 output; - DEBUG("trst: %i, srst: %i", trst, srst); + LOG_DEBUG("trst: %i, srst: %i", trst, srst); if (trst == 0) dataport_value |= cable->TRST_MASK; @@ -219,24 +246,22 @@ void parport_reset(int trst, int srst) else if (srst == 1) dataport_value &= ~cable->SRST_MASK; - output = dataport_value ^ cable->OUTPUT_INVERT; + parport_write_data(); +} -#if PARPORT_USE_PPDEV == 1 - ioctl(device_handle, PPWDATA, &output); -#else -#ifdef __FreeBSD__ - outb(dataport, output); -#else - outb(output, dataport); -#endif -#endif +/* turn LED on parport adapter on (1) or off (0) */ +void parport_led(int on) +{ + if (on) + dataport_value |= cable->LED_MASK; + else + dataport_value &= ~cable->LED_MASK; + parport_write_data(); } int parport_speed(int speed) { - jtag_speed = speed; - return ERROR_OK; } @@ -246,33 +271,35 @@ int parport_register_commands(struct command_context_s *cmd_ctx) COMMAND_CONFIG, NULL); register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command, COMMAND_CONFIG, NULL); + register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command, + COMMAND_CONFIG, NULL); return ERROR_OK; } #if PARPORT_USE_GIVEIO == 1 -int parport_get_giveio_access() +int parport_get_giveio_access(void) { - HANDLE h; - OSVERSIONINFO version; - - version.dwOSVersionInfoSize = sizeof version; - if (!GetVersionEx( &version )) { - errno = EINVAL; - return -1; - } - if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) - return 0; - - h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); - if (h == INVALID_HANDLE_VALUE) { - errno = ENODEV; - return -1; - } - - CloseHandle( h ); - - return 0; + HANDLE h; + OSVERSIONINFO version; + + version.dwOSVersionInfoSize = sizeof version; + if (!GetVersionEx( &version )) { + errno = EINVAL; + return -1; + } + if (version.dwPlatformId != VER_PLATFORM_WIN32_NT) + return 0; + + h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); + if (h == INVALID_HANDLE_VALUE) { + errno = ENODEV; + return -1; + } + + CloseHandle( h ); + + return 0; } #endif @@ -289,7 +316,7 @@ int parport_init(void) if ((parport_cable == NULL) || (parport_cable[0] == 0)) { parport_cable = "wiggler"; - WARNING("No parport cable specified, using default 'wiggler'"); + LOG_WARNING("No parport cable specified, using default 'wiggler'"); } while (cur_cable->name) @@ -304,43 +331,44 @@ int parport_init(void) if (!cable) { - ERROR("No matching cable found for %s", parport_cable); + LOG_ERROR("No matching cable found for %s", parport_cable); return ERROR_JTAG_INIT_FAILED; } dataport_value = cable->PORT_INIT; #if PARPORT_USE_PPDEV == 1 - if (device_handle>0) + if (device_handle > 0) { - ERROR("device is already opened"); + LOG_ERROR("device is already opened"); return ERROR_JTAG_INIT_FAILED; } -#ifdef __FreeBSD__ - DEBUG("opening /dev/ppi%d...", parport_port); +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + LOG_DEBUG("opening /dev/ppi%d...", parport_port); snprintf(buffer, 256, "/dev/ppi%d", parport_port); device_handle = open(buffer, O_WRONLY); -#else - DEBUG("opening /dev/parport%d...", parport_port); +#else /* not __FreeBSD__, __FreeBSD_kernel__ */ + LOG_DEBUG("opening /dev/parport%d...", parport_port); snprintf(buffer, 256, "/dev/parport%d", parport_port); device_handle = open(buffer, O_WRONLY); -#endif - if (device_handle<0) +#endif /* __FreeBSD__, __FreeBSD_kernel__ */ + + if (device_handle < 0) { - ERROR("cannot open device. check it exists and that user read and write rights are set"); + LOG_ERROR("cannot open device. check it exists and that user read and write rights are set"); return ERROR_JTAG_INIT_FAILED; } - DEBUG("...open"); + LOG_DEBUG("...open"); -#ifndef __FreeBSD__ +#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) i=ioctl(device_handle, PPCLAIM); if (i<0) { - ERROR("cannot claim device"); + LOG_ERROR("cannot claim device"); return ERROR_JTAG_INIT_FAILED; } @@ -348,7 +376,7 @@ int parport_init(void) i= ioctl(device_handle, PPSETMODE, & i); if (i<0) { - ERROR(" cannot set compatible mode to device"); + LOG_ERROR(" cannot set compatible mode to device"); return ERROR_JTAG_INIT_FAILED; } @@ -356,35 +384,45 @@ int parport_init(void) i = ioctl(device_handle, PPNEGOT, & i); if (i<0) { - ERROR("cannot set compatible 1284 mode to device"); + LOG_ERROR("cannot set compatible 1284 mode to device"); return ERROR_JTAG_INIT_FAILED; } -#endif -#else +#endif /* not __FreeBSD__, __FreeBSD_kernel__ */ + +#else /* not PARPORT_USE_PPDEV */ if (parport_port == 0) { parport_port = 0x378; - WARNING("No parport port specified, using default '0x378' (LPT1)"); + LOG_WARNING("No parport port specified, using default '0x378' (LPT1)"); } dataport = parport_port; statusport = parport_port + 1; - DEBUG("requesting privileges for parallel port 0x%x...", dataport); + LOG_DEBUG("requesting privileges for parallel port 0x%lx...", dataport); #if PARPORT_USE_GIVEIO == 1 if (parport_get_giveio_access() != 0) #else /* PARPORT_USE_GIVEIO */ if (ioperm(dataport, 3, 1) != 0) #endif /* PARPORT_USE_GIVEIO */ { - ERROR("missing privileges for direct i/o"); + LOG_ERROR("missing privileges for direct i/o"); return ERROR_JTAG_INIT_FAILED; } - DEBUG("...privileges granted"); + LOG_DEBUG("...privileges granted"); + + /* make sure parallel port is in right mode (clear tristate and interrupt */ + #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + outb(parport_port + 2, 0x0); + #else + outb(0x0, parport_port + 2); + #endif + #endif /* PARPORT_USE_PPDEV */ parport_reset(0, 0); parport_write(0, 0, 0); + parport_led(1); bitbang_interface = &parport_bitbang; @@ -393,7 +431,20 @@ int parport_init(void) int parport_quit(void) { + parport_led(0); + if (parport_exit) + { + dataport_value = cable->PORT_EXIT; + parport_write_data(); + } + + if (parport_cable) + { + free(parport_cable); + parport_cable = NULL; + } + return ERROR_OK; } @@ -423,3 +474,19 @@ int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char return ERROR_OK; } + +int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc != 1) + { + command_print(cmd_ctx, "usage: parport_write_on_exit "); + return ERROR_OK; + } + + if (strcmp(args[0], "on") == 0) + parport_exit = 1; + else if (strcmp(args[0], "off") == 0) + parport_exit = 0; + + return ERROR_OK; +}