This command is a simple frontend to the FPGA programming handler manager.
Signed-off-by: Juergen Beisert <jbe@xxxxxxxxxxxxxx>
---
commands/Kconfig | 10 +++++
commands/Makefile | 1 +
commands/fpgaload.c | 117 ++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 128 insertions(+)
create mode 100644 commands/fpgaload.c
diff --git a/commands/Kconfig b/commands/Kconfig
index 9738ec4..bb4ccaf 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -605,6 +605,16 @@ config CMD_BAREBOX_UPDATE
select BAREBOX_UPDATE
prompt "barebox-update"
+config CMD_FPGALOAD
+ bool
+ select FPGAMANAGER
+ prompt "fpgaload"
+ help
+ Provides the "fpgaload" command which deals with FPGA firmware to
+ download it into an FPGA device. This command uses the FPGA manager
+ framework to hide the details about how program a specific FPGA
+ device.
+
config CMD_TIMEOUT
tristate
prompt "timeout"
diff --git a/commands/Makefile b/commands/Makefile
index 58d27fa..864ca0c 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -93,3 +93,4 @@ obj-$(CONFIG_CMD_MIITOOL) += miitool.o
obj-$(CONFIG_CMD_DETECT) += detect.o
obj-$(CONFIG_CMD_BOOT) += boot.o
obj-$(CONFIG_CMD_DEVINFO) += devinfo.o
+obj-$(CONFIG_CMD_FPGALOAD) += fpgaload.o
diff --git a/commands/fpgaload.c b/commands/fpgaload.c
new file mode 100644
index 0000000..677ff73
--- /dev/null
+++ b/commands/fpgaload.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2013 Juergen Beisert <kernel@xxxxxxxxxxxxxx>, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <getopt.h>
+#include <fpgamgr.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <linux/stat.h>
+
+static int fpgaload_write_data(struct fpga_mgr *mgr, const char *firmware)
+{
+ int fd, ret;
+ struct stat s;
+ size_t sz;
+ unsigned char buffer[256]; /* must always be a multiple of 8 bytes! */
+
+ ret = stat(firmware, &s);
+ if (ret != 0) {
+ printf("Unable to access file '%s'\n", firmware);
+ return -EINVAL;
+ }
+
+ fd = open(firmware, O_RDONLY);
+ if (fd < 0)
+ return fd;
+
+ do {
+ sz = read(fd, buffer, sizeof(buffer));
+ if (sz == 0)
+ break;
+ ret = fpgamgr_prog_fpga(mgr, buffer, sz);
+ if (ret < 0)
+ break;
+ } while (1);
+
+ close(fd);
+ return 0;
+}
+
+static int do_fpgaload(int argc, char *argv[])
+{
+ int ret, opt, index = -1;
+ const char *name = NULL, *firmware;
+ struct fpga_mgr *mgr;
+
+ while ((opt = getopt(argc, argv, "t:i:l")) > 0) {
+ switch (opt) {
+ case 't':
+ name = optarg;
+ break;
+ case 'i':
+ index = simple_strtoul(optarg, NULL, 0);
+ break;
+ case 'l':
+ printf("registered programming handlers:\n");
+ fpgamgr_handlers_list();
+ return 0;
+ default:
+ return COMMAND_ERROR_USAGE;
+ }
+ }
+
+ if (!(argc - optind))
+ return COMMAND_ERROR_USAGE;
+
+ firmware = argv[optind];
+
+ mgr = fpgamgr_find_handler(name, index);
+ if (mgr == NULL) {
+ printf("No such programming handler found\n");
+ return 1;
+ }
+
+ ret = fpgamgr_open_fpga(mgr);
+ if (ret == -ENOSYS) {
+ /* this might be a bug... */
+ pr_debug("No programming initiater function defined\n");
+ }
+
+ ret = fpgaload_write_data(mgr, firmware);
+ if (ret != 0)
+ return 1;
+
+ ret = fpgamgr_close_fpga(mgr);
+ if (ret == -ENOSYS) {
+ /* this might be a bug... */
+ pr_debug("No programming finisher function defined\n");
+ }
+
+ return 0;
+}
+
+BAREBOX_CMD_HELP_START(fpgaload)
+BAREBOX_CMD_HELP_USAGE("fpgaload [OPTIONS] <firmware>\n")
+BAREBOX_CMD_HELP_SHORT("Program a firmware file content into an FPGA\n")
+BAREBOX_CMD_HELP_OPT("-t <target>", "define the FPGA handler by name\n")
+BAREBOX_CMD_HELP_OPT("-i <index>", "define the FPGA handler by index\n")
+BAREBOX_CMD_HELP_OPT("-l\t", "list registered FPGAs\n")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(fpgaload)
+ .cmd = do_fpgaload,
+ .usage = "program an FPGA",
+ BAREBOX_CMD_HELP(cmd_fpgaload_help)
+BAREBOX_CMD_END
--
1.8.4.rc3
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