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-rw-r--r--cmd/fpga.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/cmd/fpga.c b/cmd/fpga.c
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+++ b/cmd/fpga.c
@@ -0,0 +1,376 @@
+/*
+ * (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\n", fit_addr);
+ } else
+#endif
+ {
+ fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
+ debug("* fpga: cmdline image address = 0x%08lx\n",
+ (ulong)fpga_data);
+ }
+ debug("%s: fpga_data = 0x%x\n", __func__, (uint)fpga_data);
+
+ case 3: /* fpga <op> <dev | data addr> */
+ dev = (int)simple_strtoul(argv[2], NULL, 16);
+ debug("%s: device = %d\n", __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\n",
+ __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\n", fit_addr);
+ } else
+#endif
+ {
+ fpga_data = (void *)dev;
+ debug("* fpga: cmdline image addr = 0x%08lx\n",
+ (ulong)fpga_data);
+ }
+
+ debug("%s: fpga_data = 0x%x\n",
+ __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)\n", __func__, argc);
+ op = FPGA_NONE; /* force usage display */
+ break;
+ }
+
+ if (dev == FPGA_INVALID_DEVICE) {
+ puts("FPGA device not specified\n");
+ 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\n");
+ 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\n");
+ return 1;
+ }
+ data_size = image_size;
+#else
+ puts("Gunzip image is not supported\n");
+ 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\n");
+ return 1;
+ }
+
+ if (!fit_check_format(fit_hdr)) {
+ puts("Bad FIT image format\n");
+ 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\n",
+ fit_uname);
+ return 1;
+ }
+
+ /* verify integrity */
+ if (!fit_image_verify(fit_hdr, noffset)) {
+ puts ("Bad Data Hash\n");
+ 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\n");
+ return 1;
+ }
+
+ rc = fpga_load(dev, fit_data, data_size,
+ BIT_FULL);
+ }
+ break;
+#endif
+ default:
+ puts("** Unknown image type\n");
+ rc = FPGA_FAIL;
+ break;
+ }
+ break;
+#endif
+
+ case FPGA_DUMP:
+ rc = fpga_dump(dev, fpga_data, data_size);
+ break;
+
+ default:
+ printf("Unknown operation\n");
+ 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\"\n", 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]\n"
+ "fpga operations:\n"
+ " dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
+ " info\t[dev]\t\t\tlist known device information\n"
+ " load\t[dev] [address] [size]\tLoad device from memory buffer\n"
+#if defined(CONFIG_CMD_FPGA_LOADP)
+ " loadp\t[dev] [address] [size]\t"
+ "Load device from memory buffer with partial bitstream\n"
+#endif
+ " loadb\t[dev] [address] [size]\t"
+ "Load device from bitstream buffer (Xilinx only)\n"
+#if defined(CONFIG_CMD_FPGA_LOADBP)
+ " loadbp\t[dev] [address] [size]\t"
+ "Load device from bitstream buffer with partial bitstream"
+ "(Xilinx only)\n"
+#endif
+#if defined(CONFIG_CMD_FPGA_LOADFS)
+ "Load device from filesystem (FAT by default) (Xilinx only)\n"
+ " loadfs [dev] [address] [image size] [blocksize] <interface>\n"
+ " [<dev[:part]>] <filename>\n"
+#endif
+#if defined(CONFIG_CMD_FPGA_LOADMK)
+ " loadmk [dev] [address]\tLoad device generated with mkimage"
+#if defined(CONFIG_FIT)
+ "\n"
+ "\tFor loadmk operating on FIT format uImage address must include\n"
+ "\tsubimage unit name in the form of addr:<subimg_uname>"
+#endif
+#endif
+);
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