diff options
Diffstat (limited to 'fpga/xilinx/programmer/svfplayer/xsvf-rpi.c')
| -rw-r--r-- | fpga/xilinx/programmer/svfplayer/xsvf-rpi.c | 542 | 
1 files changed, 542 insertions, 0 deletions
| diff --git a/fpga/xilinx/programmer/svfplayer/xsvf-rpi.c b/fpga/xilinx/programmer/svfplayer/xsvf-rpi.c new file mode 100644 index 0000000..c46e4d7 --- /dev/null +++ b/fpga/xilinx/programmer/svfplayer/xsvf-rpi.c @@ -0,0 +1,542 @@ +/* + *  Lib(X)SVF  -  A library for implementing SVF and XSVF JTAG players + * + *  Copyright (C) 2009  RIEGL Research ForschungsGmbH + *  Copyright (C) 2009  Clifford Wolf <clifford@clifford.at> + *   + *  Permission to use, copy, modify, and/or distribute this software for any + *  purpose with or without fee is hereby granted, provided that the above + *  copyright notice and this permission notice appear in all copies. + *   + *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "libxsvf.h" + +#include <sys/time.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> + + +/** BEGIN: Low-Level I/O Implementation **/ + +#ifdef XSVFTOOL_RLMS_VLINE + +// Simple example with MPC8349E GPIO pins +// (RIEGL LMS V-Line motherboard) + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/mman.h> +#include <fcntl.h> + +#define IO_PORT_ADDR 0xE0000C00 + +struct io_layout { +	unsigned long tdi:1; +	unsigned long tdo:1; +	unsigned long tms:1; +	unsigned long tck:1; +	unsigned long reserved:28; +}; + +static volatile struct io_layout *io_direction; +static volatile struct io_layout *io_opendrain; +static volatile struct io_layout *io_data; + +static void io_setup(void) +{ +	/* open /dev/mem device file */ +	int fd = open("/dev/mem", O_RDWR); +	if (fd < 0) { +		fprintf(stderr, "Can't open /dev/mem: %s\n", strerror(errno)); +		exit(1); +	} + +	/* calculate offsets to page and within page */ +	unsigned long psize = getpagesize(); +	unsigned long off_inpage = IO_PORT_ADDR % psize; +	unsigned long off_topage = IO_PORT_ADDR - off_inpage; +	unsigned long mapsize = off_inpage + sizeof(struct io_layout) * 3; + +	/* map it into logical memory */ +	void *io_addr_map = mmap(0, mapsize, PROT_WRITE, MAP_SHARED, fd, off_topage); +	if (io_addr_map == MAP_FAILED) { +		fprintf(stderr, "Can't map physical memory: %s\n", strerror(errno)); +		exit(1); +	} + +	/* calculate register addresses */ +	io_direction = io_addr_map + off_inpage; +	io_opendrain = io_addr_map + off_inpage + 4; +	io_data = io_addr_map + off_inpage + 8; + +	/* set direction reg */ +	io_direction->tms = 1; +	io_direction->tck = 1; +	io_direction->tdo = 0; +	io_direction->tdi = 1; + +	/* set open drain reg */ +	io_opendrain->tms = 0; +	io_opendrain->tck = 0; +	io_opendrain->tdo = 0; +	io_opendrain->tdi = 0; + +#ifdef HAVE_TRST +	/* for boards with TRST, must be driven high */ +	io_data->trst = 1; +	io_direction->trst = 1; +	io_opendrain->trst = 0; +#endif +} + +static void io_shutdown(void) +{ +	/* set all to z-state */ +	io_direction->tms = 0; +	io_direction->tck = 0; +	io_direction->tdo = 0; +	io_direction->tdi = 0; + +#ifdef HAVE_TRST +	/* for boards with TRST, assuming there is a pull-down resistor */ +	io_direction->trst = 0; +#endif +} + +static void io_tms(int val) +{ +	io_data->tms = val; +} + +static void io_tdi(int val) +{ +	io_data->tdi = val; +} + +static void io_tck(int val) +{ +	io_data->tck = val; +	// usleep(1); +} + +static void io_sck(int val) +{ +	/* not available */ +} + +static void io_trst(int val) +{ +	/* not available */ +} + +static int io_tdo() +{ +	return io_data->tdo ? 1 : 0; +} + +#else + +static void io_setup(void) +{ +} + +static void io_shutdown(void) +{ +} + +static void io_tms(int val) +{ +} + +static void io_tdi(int val) +{ +} + +static void io_tck(int val) +{ +} + +static void io_sck(int val) +{ +} + +static void io_trst(int val) +{ +} + +static int io_tdo() +{ +	return -1; +} + +#endif + +/** END: Low-Level I/O Implementation **/ + + +struct udata_s { +	FILE *f; +	int verbose; +	int clockcount; +	int bitcount_tdi; +	int bitcount_tdo; +	int retval_i; +	int retval[256]; +}; + +static int h_setup(struct libxsvf_host *h) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 2) { +		fprintf(stderr, "[SETUP]\n"); +		fflush(stderr); +	} +	io_setup(); +	return 0; +} + +static int h_shutdown(struct libxsvf_host *h) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 2) { +		fprintf(stderr, "[SHUTDOWN]\n"); +		fflush(stderr); +	} +	io_shutdown(); +	return 0; +} + +static void h_udelay(struct libxsvf_host *h, long usecs, int tms, long num_tck) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 3) { +		fprintf(stderr, "[DELAY:%ld, TMS:%d, NUM_TCK:%ld]\n", usecs, tms, num_tck); +		fflush(stderr); +	} +	if (num_tck > 0) { +		struct timeval tv1, tv2; +		gettimeofday(&tv1, NULL); +		io_tms(tms); +		while (num_tck > 0) { +			io_tck(0); +			io_tck(1); +			num_tck--; +		} +		gettimeofday(&tv2, NULL); +		if (tv2.tv_sec > tv1.tv_sec) { +			usecs -= (1000000 - tv1.tv_usec) + (tv2.tv_sec - tv1.tv_sec - 1) * 1000000; +			tv1.tv_usec = 0; +		} +		usecs -= tv2.tv_usec - tv1.tv_usec; +		if (u->verbose >= 3) { +			fprintf(stderr, "[DELAY_AFTER_TCK:%ld]\n", usecs > 0 ? usecs : 0); +			fflush(stderr); +		} +	} +	if (usecs > 0) { +		usleep(usecs); +	} +} + +static int h_getbyte(struct libxsvf_host *h) +{ +	struct udata_s *u = h->user_data; +	return fgetc(u->f); +} + +static int h_pulse_tck(struct libxsvf_host *h, int tms, int tdi, int tdo, int rmask, int sync) +{ +	struct udata_s *u = h->user_data; + +	io_tms(tms); + +	if (tdi >= 0) { +		u->bitcount_tdi++; +		io_tdi(tdi); +	} + +	io_tck(0); +	io_tck(1); + +	int line_tdo = io_tdo(); +	int rc = line_tdo >= 0 ? line_tdo : 0; + +	if (rmask == 1 && u->retval_i < 256) +		u->retval[u->retval_i++] = line_tdo; + +	if (tdo >= 0 && line_tdo >= 0) { +		u->bitcount_tdo++; +		if (tdo != line_tdo) +			rc = -1; +	} + +	if (u->verbose >= 4) { +		fprintf(stderr, "[TMS:%d, TDI:%d, TDO_ARG:%d, TDO_LINE:%d, RMASK:%d, RC:%d]\n", tms, tdi, tdo, line_tdo, rmask, rc); +	} + +	u->clockcount++; +	return rc; +} + +static void h_pulse_sck(struct libxsvf_host *h) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 4) { +		fprintf(stderr, "[SCK]\n"); +	} +	io_sck(0); +	io_sck(1); +} + +static void h_set_trst(struct libxsvf_host *h, int v) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 4) { +		fprintf(stderr, "[TRST:%d]\n", v); +	} +	io_trst(v); +} + +static int h_set_frequency(struct libxsvf_host *h, int v) +{ +	fprintf(stderr, "WARNING: Setting JTAG clock frequency to %d ignored!\n", v); +	return 0; +} + +static void h_report_tapstate(struct libxsvf_host *h) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 3) { +		fprintf(stderr, "[%s]\n", libxsvf_state2str(h->tap_state)); +	} +} + +static void h_report_device(struct libxsvf_host *h, unsigned long idcode) +{ +	// struct udata_s *u = h->user_data; +	printf("idcode=0x%08lx, revision=0x%01lx, part=0x%04lx, manufactor=0x%03lx\n", idcode, +			(idcode >> 28) & 0xf, (idcode >> 12) & 0xffff, (idcode >> 1) & 0x7ff); +} + +static void h_report_status(struct libxsvf_host *h, const char *message) +{ +	struct udata_s *u = h->user_data; +	if (u->verbose >= 2) { +		fprintf(stderr, "[STATUS] %s\n", message); +	} +} + +static void h_report_error(struct libxsvf_host *h, const char *file, int line, const char *message) +{ +	fprintf(stderr, "[%s:%d] %s\n", file, line, message); +} + +static int realloc_maxsize[LIBXSVF_MEM_NUM]; + +static void *h_realloc(struct libxsvf_host *h, void *ptr, int size, enum libxsvf_mem which) +{ +	struct udata_s *u = h->user_data; +	if (size > realloc_maxsize[which]) +		realloc_maxsize[which] = size; +	if (u->verbose >= 3) { +		fprintf(stderr, "[REALLOC:%s:%d]\n", libxsvf_mem2str(which), size); +	} +	return realloc(ptr, size); +} + +static struct udata_s u; + +static struct libxsvf_host h = { +	.udelay = h_udelay, +	.setup = h_setup, +	.shutdown = h_shutdown, +	.getbyte = h_getbyte, +	.pulse_tck = h_pulse_tck, +	.pulse_sck = h_pulse_sck, +	.set_trst = h_set_trst, +	.set_frequency = h_set_frequency, +	.report_tapstate = h_report_tapstate, +	.report_device = h_report_device, +	.report_status = h_report_status, +	.report_error = h_report_error, +	.realloc = h_realloc, +	.user_data = &u +}; + +const char *progname; + +static void copyleft() +{ +	static int already_printed = 0; +	if (already_printed) +		return; +	fprintf(stderr, "xsvftool-gpio, part of Lib(X)SVF (http://www.clifford.at/libxsvf/).\n"); +	fprintf(stderr, "Copyright (C) 2009  RIEGL Research ForschungsGmbH\n"); +	fprintf(stderr, "Copyright (C) 2009  Clifford Wolf <clifford@clifford.at>\n"); +	fprintf(stderr, "Lib(X)SVF is free software licensed under the ISC license.\n"); +	already_printed = 1; +} + +static void help() +{ +	copyleft(); +	fprintf(stderr, "\n"); +	fprintf(stderr, "Usage: %s [ -r funcname ] [ -v ... ] [ -L | -B ] { -s svf-file | -x xsvf-file | -c } ...\n", progname); +	fprintf(stderr, "\n"); +	fprintf(stderr, "   -r funcname\n"); +	fprintf(stderr, "          Dump C-code for pseudo-allocator based on example files\n"); +	fprintf(stderr, "\n"); +	fprintf(stderr, "   -v, -vv, -vvv, -vvvv\n"); +	fprintf(stderr, "          Verbose, more verbose and even more verbose\n"); +	fprintf(stderr, "\n"); +	fprintf(stderr, "   -L, -B\n"); +	fprintf(stderr, "          Print RMASK bits as hex value (little or big endian)\n"); +	fprintf(stderr, "\n"); +	fprintf(stderr, "   -s svf-file\n"); +	fprintf(stderr, "          Play the specified SVF file\n"); +	fprintf(stderr, "\n"); +	fprintf(stderr, "   -x xsvf-file\n"); +	fprintf(stderr, "          Play the specified XSVF file\n"); +	fprintf(stderr, "\n"); +	fprintf(stderr, "   -c\n"); +	fprintf(stderr, "          List devices in JTAG chain\n"); +	fprintf(stderr, "\n"); +	exit(1); +} + +int main(int argc, char **argv) +{ +	int rc = 0; +	int gotaction = 0; +	int hex_mode = 0; +	const char *realloc_name = NULL; +	int opt, i, j; + +	progname = argc >= 1 ? argv[0] : "xvsftool"; +	while ((opt = getopt(argc, argv, "r:vLBx:s:c")) != -1) +	{ +		switch (opt) +		{ +		case 'r': +			realloc_name = optarg; +			break; +		case 'v': +			copyleft(); +			u.verbose++; +			break; +		case 'x': +		case 's': +			gotaction = 1; +			if (u.verbose) +				fprintf(stderr, "Playing %s file `%s'.\n", opt == 's' ? "SVF" : "XSVF", optarg); +			if (!strcmp(optarg, "-")) +				u.f = stdin; +			else +				u.f = fopen(optarg, "rb"); +			if (u.f == NULL) { +				fprintf(stderr, "Can't open %s file `%s': %s\n", opt == 's' ? "SVF" : "XSVF", optarg, strerror(errno)); +				rc = 1; +				break; +			} +			if (libxsvf_play(&h, opt == 's' ? LIBXSVF_MODE_SVF : LIBXSVF_MODE_XSVF) < 0) { +				fprintf(stderr, "Error while playing %s file `%s'.\n", opt == 's' ? "SVF" : "XSVF", optarg); +				rc = 1; +			} +			if (strcmp(optarg, "-")) +				fclose(u.f); +			break; +		case 'c': +			gotaction = 1; +			if (libxsvf_play(&h, LIBXSVF_MODE_SCAN) < 0) { +				fprintf(stderr, "Error while scanning JTAG chain.\n"); +				rc = 1; +			} +			break; +		case 'L': +			hex_mode = 1; +			break; +		case 'B': +			hex_mode = 2; +			break; +		default: +			help(); +			break; +		} +	} + +	if (!gotaction) +		help(); + +	if (u.verbose) { +		fprintf(stderr, "Total number of clock cycles: %d\n", u.clockcount); +		fprintf(stderr, "Number of significant TDI bits: %d\n", u.bitcount_tdi); +		fprintf(stderr, "Number of significant TDO bits: %d\n", u.bitcount_tdo); +		if (rc == 0) { +			fprintf(stderr, "Finished without errors.\n"); +		} else { +			fprintf(stderr, "Finished with errors!\n"); +		} +	} + +	if (u.retval_i) { +		if (hex_mode) { +			printf("0x"); +			for (i=0; i < u.retval_i; i+=4) { +				int val = 0; +				for (j=i; j<i+4; j++) +					val = val << 1 | u.retval[hex_mode > 1 ? j : u.retval_i - j - 1]; +				printf("%x", val); +			} +		} else { +			printf("%d rmask bits:", u.retval_i); +			for (i=0; i < u.retval_i; i++) +				printf(" %d", u.retval[i]); +		} +		printf("\n"); +	} + +	if (realloc_name) { +		int num = 0; +		for (i = 0; i < LIBXSVF_MEM_NUM; i++) { +			if (realloc_maxsize[i] > 0) +				num = i+1; +		} +		printf("void *%s(void *h, void *ptr, int size, int which) {\n", realloc_name); +		for (i = 0; i < num; i++) { +			if (realloc_maxsize[i] > 0) +				printf("\tstatic unsigned char buf_%s[%d];\n", libxsvf_mem2str(i), realloc_maxsize[i]); +		} +		printf("\tstatic unsigned char *buflist[%d] = {", num); +		for (i = 0; i < num; i++) { +			if (realloc_maxsize[i] > 0) +				printf("%sbuf_%s", i ? ", " : " ", libxsvf_mem2str(i)); +			else +				printf("%s(void*)0", i ? ", " : " "); +		} +		printf(" };\n\tstatic int sizelist[%d] = {", num); +		for (i = 0; i < num; i++) { +			if (realloc_maxsize[i] > 0) +				printf("%ssizeof(buf_%s)", i ? ", " : " ", libxsvf_mem2str(i)); +			else +				printf("%s0", i ? ", " : " "); +		} +		printf(" };\n"); +		printf("\treturn which < %d && size <= sizelist[which] ? buflist[which] : (void*)0;\n", num); +		printf("};\n"); +	} + +	return rc; +} + | 
