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cmd/fpga.c
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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 */ enum { FPGA_NONE = -1, FPGA_INFO, FPGA_LOAD, FPGA_LOADB, FPGA_DUMP, FPGA_LOADMK, FPGA_LOADP, FPGA_LOADBP, FPGA_LOADFS, }; /* ------------------------------------------------------------------------- */ /* 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 = env_get("fpga"); char *datastr = env_get("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%lx ", __func__, (ulong)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 *)(uintptr_t)dev; debug("* fpga: cmdline image addr = 0x%08lx ", (ulong)fpga_data); } debug("%s: fpga_data = 0x%lx ", __func__, (ulong)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 ); |