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bootloader/u-boot_2015_04/common/cmd_fpga.c 9.01 KB
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  /*
   * (C) Copyright 2000, 2001
   * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  /*
   *  FPGA support
   */
  #include <common.h>
  #include <command.h>
  #include <fpga.h>
  #include <fs.h>
  #include <malloc.h>
  
  /* Local functions */
  static int fpga_get_op(char *opstr);
  
  /* Local defines */
  #define FPGA_NONE   -1
  #define FPGA_INFO   0
  #define FPGA_LOAD   1
  #define FPGA_LOADB  2
  #define FPGA_DUMP   3
  #define FPGA_LOADMK 4
  #define FPGA_LOADP  5
  #define FPGA_LOADBP 6
  #define FPGA_LOADFS 7
  
  /* ------------------------------------------------------------------------- */
  /* command form:
   *   fpga <op> <device number> <data addr> <datasize>
   * where op is 'load', 'dump', or 'info'
   * If there is no device number field, the fpga environment variable is used.
   * If there is no data addr field, the fpgadata environment variable is used.
   * The info command requires no data address field.
   */
  int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  {
  	int op, dev = FPGA_INVALID_DEVICE;
  	size_t data_size = 0;
  	void *fpga_data = NULL;
  	char *devstr = getenv("fpga");
  	char *datastr = getenv("fpgadata");
  	int rc = FPGA_FAIL;
  	int wrong_parms = 0;
  #if defined(CONFIG_FIT)
  	const char *fit_uname = NULL;
  	ulong fit_addr;
  #endif
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  	fpga_fs_info fpga_fsinfo;
  	fpga_fsinfo.fstype = FS_TYPE_ANY;
  #endif
  
  	if (devstr)
  		dev = (int) simple_strtoul(devstr, NULL, 16);
  	if (datastr)
  		fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
  
  	switch (argc) {
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  	case 9:
  		fpga_fsinfo.blocksize = (unsigned int)
  					     simple_strtoul(argv[5], NULL, 16);
  		fpga_fsinfo.interface = argv[6];
  		fpga_fsinfo.dev_part = argv[7];
  		fpga_fsinfo.filename = argv[8];
  #endif
  	case 5:		/* fpga <op> <dev> <data> <datasize> */
  		data_size = simple_strtoul(argv[4], NULL, 16);
  
  	case 4:		/* fpga <op> <dev> <data> */
  #if defined(CONFIG_FIT)
  		if (fit_parse_subimage(argv[3], (ulong)fpga_data,
  				       &fit_addr, &fit_uname)) {
  			fpga_data = (void *)fit_addr;
  			debug("*  fpga: subimage '%s' from FIT image ",
  			      fit_uname);
  			debug("at 0x%08lx
  ", fit_addr);
  		} else
  #endif
  		{
  			fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
  			debug("*  fpga: cmdline image address = 0x%08lx
  ",
  			      (ulong)fpga_data);
  		}
  		debug("%s: fpga_data = 0x%x
  ", __func__, (uint)fpga_data);
  
  	case 3:		/* fpga <op> <dev | data addr> */
  		dev = (int)simple_strtoul(argv[2], NULL, 16);
  		debug("%s: device = %d
  ", __func__, dev);
  		/* FIXME - this is a really weak test */
  		if ((argc == 3) && (dev > fpga_count())) {
  			/* must be buffer ptr */
  			debug("%s: Assuming buffer pointer in arg 3
  ",
  			      __func__);
  
  #if defined(CONFIG_FIT)
  			if (fit_parse_subimage(argv[2], (ulong)fpga_data,
  					       &fit_addr, &fit_uname)) {
  				fpga_data = (void *)fit_addr;
  				debug("*  fpga: subimage '%s' from FIT image ",
  				      fit_uname);
  				debug("at 0x%08lx
  ", fit_addr);
  			} else
  #endif
  			{
  				fpga_data = (void *)dev;
  				debug("*  fpga: cmdline image addr = 0x%08lx
  ",
  				      (ulong)fpga_data);
  			}
  
  			debug("%s: fpga_data = 0x%x
  ",
  			      __func__, (uint)fpga_data);
  			dev = FPGA_INVALID_DEVICE;	/* reset device num */
  		}
  
  	case 2:		/* fpga <op> */
  		op = (int)fpga_get_op(argv[1]);
  		break;
  
  	default:
  		debug("%s: Too many or too few args (%d)
  ", __func__, argc);
  		op = FPGA_NONE;	/* force usage display */
  		break;
  	}
  
  	if (dev == FPGA_INVALID_DEVICE) {
  		puts("FPGA device not specified
  ");
  		op = FPGA_NONE;
  	}
  
  	switch (op) {
  	case FPGA_NONE:
  	case FPGA_INFO:
  		break;
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  	case FPGA_LOADFS:
  		/* Blocksize can be zero */
  		if (!fpga_fsinfo.interface || !fpga_fsinfo.dev_part ||
  		    !fpga_fsinfo.filename)
  			wrong_parms = 1;
  #endif
  	case FPGA_LOAD:
  	case FPGA_LOADP:
  	case FPGA_LOADB:
  	case FPGA_LOADBP:
  	case FPGA_DUMP:
  		if (!fpga_data || !data_size)
  			wrong_parms = 1;
  		break;
  #if defined(CONFIG_CMD_FPGA_LOADMK)
  	case FPGA_LOADMK:
  		if (!fpga_data)
  			wrong_parms = 1;
  		break;
  #endif
  	}
  
  	if (wrong_parms) {
  		puts("Wrong parameters for FPGA request
  ");
  		op = FPGA_NONE;
  	}
  
  	switch (op) {
  	case FPGA_NONE:
  		return CMD_RET_USAGE;
  
  	case FPGA_INFO:
  		rc = fpga_info(dev);
  		break;
  
  	case FPGA_LOAD:
  		rc = fpga_load(dev, fpga_data, data_size, BIT_FULL);
  		break;
  
  #if defined(CONFIG_CMD_FPGA_LOADP)
  	case FPGA_LOADP:
  		rc = fpga_load(dev, fpga_data, data_size, BIT_PARTIAL);
  		break;
  #endif
  
  	case FPGA_LOADB:
  		rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_FULL);
  		break;
  
  #if defined(CONFIG_CMD_FPGA_LOADBP)
  	case FPGA_LOADBP:
  		rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_PARTIAL);
  		break;
  #endif
  
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  	case FPGA_LOADFS:
  		rc = fpga_fsload(dev, fpga_data, data_size, &fpga_fsinfo);
  		break;
  #endif
  
  #if defined(CONFIG_CMD_FPGA_LOADMK)
  	case FPGA_LOADMK:
  		switch (genimg_get_format(fpga_data)) {
  #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
  		case IMAGE_FORMAT_LEGACY:
  			{
  				image_header_t *hdr =
  						(image_header_t *)fpga_data;
  				ulong data;
  				uint8_t comp;
  
  				comp = image_get_comp(hdr);
  				if (comp == IH_COMP_GZIP) {
  #if defined(CONFIG_GZIP)
  					ulong image_buf = image_get_data(hdr);
  					data = image_get_load(hdr);
  					ulong image_size = ~0UL;
  
  					if (gunzip((void *)data, ~0UL,
  						   (void *)image_buf,
  						   &image_size) != 0) {
  						puts("GUNZIP: error
  ");
  						return 1;
  					}
  					data_size = image_size;
  #else
  					puts("Gunzip image is not supported
  ");
  					return 1;
  #endif
  				} else {
  					data = (ulong)image_get_data(hdr);
  					data_size = image_get_data_size(hdr);
  				}
  				rc = fpga_load(dev, (void *)data, data_size,
  					       BIT_FULL);
  			}
  			break;
  #endif
  #if defined(CONFIG_FIT)
  		case IMAGE_FORMAT_FIT:
  			{
  				const void *fit_hdr = (const void *)fpga_data;
  				int noffset;
  				const void *fit_data;
  
  				if (fit_uname == NULL) {
  					puts("No FIT subimage unit name
  ");
  					return 1;
  				}
  
  				if (!fit_check_format(fit_hdr)) {
  					puts("Bad FIT image format
  ");
  					return 1;
  				}
  
  				/* get fpga component image node offset */
  				noffset = fit_image_get_node(fit_hdr,
  							     fit_uname);
  				if (noffset < 0) {
  					printf("Can't find '%s' FIT subimage
  ",
  					       fit_uname);
  					return 1;
  				}
  
  				/* verify integrity */
  				if (!fit_image_verify(fit_hdr, noffset)) {
  					puts ("Bad Data Hash
  ");
  					return 1;
  				}
  
  				/* get fpga subimage data address and length */
  				if (fit_image_get_data(fit_hdr, noffset,
  						       &fit_data, &data_size)) {
  					puts("Fpga subimage data not found
  ");
  					return 1;
  				}
  
  				rc = fpga_load(dev, fit_data, data_size,
  					       BIT_FULL);
  			}
  			break;
  #endif
  		default:
  			puts("** Unknown image type
  ");
  			rc = FPGA_FAIL;
  			break;
  		}
  		break;
  #endif
  
  	case FPGA_DUMP:
  		rc = fpga_dump(dev, fpga_data, data_size);
  		break;
  
  	default:
  		printf("Unknown operation
  ");
  		return CMD_RET_USAGE;
  	}
  	return rc;
  }
  
  /*
   * Map op to supported operations.  We don't use a table since we
   * would just have to relocate it from flash anyway.
   */
  static int fpga_get_op(char *opstr)
  {
  	int op = FPGA_NONE;
  
  	if (!strcmp("info", opstr))
  		op = FPGA_INFO;
  	else if (!strcmp("loadb", opstr))
  		op = FPGA_LOADB;
  	else if (!strcmp("load", opstr))
  		op = FPGA_LOAD;
  #if defined(CONFIG_CMD_FPGA_LOADP)
  	else if (!strcmp("loadp", opstr))
  		op = FPGA_LOADP;
  #endif
  #if defined(CONFIG_CMD_FPGA_LOADBP)
  	else if (!strcmp("loadbp", opstr))
  		op = FPGA_LOADBP;
  #endif
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  	else if (!strcmp("loadfs", opstr))
  		op = FPGA_LOADFS;
  #endif
  #if defined(CONFIG_CMD_FPGA_LOADMK)
  	else if (!strcmp("loadmk", opstr))
  		op = FPGA_LOADMK;
  #endif
  	else if (!strcmp("dump", opstr))
  		op = FPGA_DUMP;
  
  	if (op == FPGA_NONE)
  		printf("Unknown fpga operation \"%s\"
  ", opstr);
  
  	return op;
  }
  
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  U_BOOT_CMD(fpga, 9, 1, do_fpga,
  #else
  U_BOOT_CMD(fpga, 6, 1, do_fpga,
  #endif
  	   "loadable FPGA image support",
  	   "[operation type] [device number] [image address] [image size]
  "
  	   "fpga operations:
  "
  	   "  dump\t[dev] [address] [size]\tLoad device to memory buffer
  "
  	   "  info\t[dev]\t\t\tlist known device information
  "
  	   "  load\t[dev] [address] [size]\tLoad device from memory buffer
  "
  #if defined(CONFIG_CMD_FPGA_LOADP)
  	   "  loadp\t[dev] [address] [size]\t"
  	   "Load device from memory buffer with partial bitstream
  "
  #endif
  	   "  loadb\t[dev] [address] [size]\t"
  	   "Load device from bitstream buffer (Xilinx only)
  "
  #if defined(CONFIG_CMD_FPGA_LOADBP)
  	   "  loadbp\t[dev] [address] [size]\t"
  	   "Load device from bitstream buffer with partial bitstream"
  	   "(Xilinx only)
  "
  #endif
  #if defined(CONFIG_CMD_FPGA_LOADFS)
  	   "Load device from filesystem (FAT by default) (Xilinx only)
  "
  	   "  loadfs [dev] [address] [image size] [blocksize] <interface>
  "
  	   "        [<dev[:part]>] <filename>
  "
  #endif
  #if defined(CONFIG_CMD_FPGA_LOADMK)
  	   "  loadmk [dev] [address]\tLoad device generated with mkimage"
  #if defined(CONFIG_FIT)
  	   "
  "
  	   "\tFor loadmk operating on FIT format uImage address must include
  "
  	   "\tsubimage unit name in the form of addr:<subimg_uname>"
  #endif
  #endif
  );