X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fjtag%2Fparport.c;h=13f04904fa4ced4b8b25ea7f7d6d595d15ceb4fd;hb=ed9c257551729cf2dc54fcbc3ad520fdfa9ad0c1;hp=f9d7b0292b206178501edc1715484764dddf39bb;hpb=8f6d142b953da8838bd50357b8fa70d86e839dad;p=fw%2Fopenocd diff --git a/src/jtag/parport.c b/src/jtag/parport.c index f9d7b0292..13f04904f 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 * @@ -27,7 +30,7 @@ #include "bitbang.h" /* system includes */ -// -ino: 060521-1036 +/* -ino: 060521-1036 */ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include @@ -70,7 +73,6 @@ #if IS_CYGWIN == 1 #include #include -#undef ERROR #endif #endif @@ -102,6 +104,7 @@ cable_t cables[] = { "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 }, @@ -121,7 +124,7 @@ cable_t cables[] = /* configuration */ char* parport_cable = NULL; -unsigned long parport_port; +u16 parport_port; static int parport_exit = 0; /* interface variables @@ -189,7 +192,7 @@ int parport_read(void) return 0; } -static inline void parport_write_data(void) +static __inline__ void parport_write_data(void) { u8 output; output = dataport_value ^ cable->OUTPUT_INVERT; @@ -231,7 +234,7 @@ void parport_write(int tck, int tms, int tdi) /* (1) assert or (0) deassert reset lines */ void parport_reset(int trst, int srst) { - DEBUG("trst: %i, srst: %i", trst, srst); + LOG_DEBUG("trst: %i, srst: %i", trst, srst); if (trst == 0) dataport_value |= cable->TRST_MASK; @@ -259,46 +262,44 @@ void parport_led(int on) int parport_speed(int speed) { - jtag_speed = speed; - return ERROR_OK; } int parport_register_commands(struct command_context_s *cmd_ctx) { register_command(cmd_ctx, NULL, "parport_port", parport_handle_parport_port_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "either the address of the I/O port or the number of the ‘/dev/parport’ device"); register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "the layout of the parallel port cable used to connect to the target"); register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "configure the parallel driver to write a known value to the parallel interface"); 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 @@ -315,7 +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) @@ -330,7 +331,7 @@ 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; } @@ -339,17 +340,17 @@ int parport_init(void) #if PARPORT_USE_PPDEV == 1 if (device_handle > 0) { - ERROR("device is already opened"); + LOG_ERROR("device is already opened"); return ERROR_JTAG_INIT_FAILED; } #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - DEBUG("opening /dev/ppi%d...", parport_port); + LOG_DEBUG("opening /dev/ppi%d...", parport_port); snprintf(buffer, 256, "/dev/ppi%d", parport_port); device_handle = open(buffer, O_WRONLY); #else /* not __FreeBSD__, __FreeBSD_kernel__ */ - DEBUG("opening /dev/parport%d...", parport_port); + LOG_DEBUG("opening /dev/parport%d...", parport_port); snprintf(buffer, 256, "/dev/parport%d", parport_port); device_handle = open(buffer, O_WRONLY); @@ -357,17 +358,17 @@ int parport_init(void) 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"); #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; } @@ -375,7 +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; } @@ -383,7 +384,7 @@ 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 /* not __FreeBSD__, __FreeBSD_kernel__ */ @@ -392,23 +393,23 @@ int parport_init(void) 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%lx...", 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__)