cmd: fpga: Fix dump and all direct fpga load commands

Separate dump, load, loadb, loadp and loadbp commands to separate
functions to make it clear how they are called and what parameters they
need.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

cmd/fpga.c

@@ -30,15 +30,42 @@ static long do_fpga_get_device(char *arg)
 	return dev;
 }
 
+static int do_fpga_check_params(long *dev, long *fpga_data, size_t *data_size,
+				cmd_tbl_t *cmdtp, int argc, char *const argv[])
+{
+	size_t local_data_size;
+	long local_fpga_data;
+
+	debug("%s %d, %d\n", __func__, argc, cmdtp->maxargs);
+
+	if (argc != cmdtp->maxargs) {
+		debug("fpga: incorrect parameters passed\n");
+		return CMD_RET_USAGE;
+	}
+
+	*dev = do_fpga_get_device(argv[0]);
+
+	local_fpga_data = simple_strtol(argv[1], NULL, 16);
+	if (!local_fpga_data) {
+		debug("fpga: zero fpga_data address\n");
+		return CMD_RET_USAGE;
+	}
+	*fpga_data = local_fpga_data;
+
+	local_data_size = simple_strtoul(argv[2], NULL, 16);
+	if (!local_data_size) {
+		debug("fpga: zero size\n");
+		return CMD_RET_USAGE;
+	}
+	*data_size = local_data_size;
+
+	return 0;
+}
+
 /* Local defines */
 enum {
 	FPGA_NONE = -1,
-	FPGA_LOAD,
-	FPGA_LOADB,
-	FPGA_DUMP,
 	FPGA_LOADMK,
-	FPGA_LOADP,
-	FPGA_LOADBP,
 	FPGA_LOADFS,
 	FPGA_LOADS,
 };
@@ -51,28 +78,14 @@ static int fpga_get_op(char *opstr)
 {
 	int op = FPGA_NONE;
 
-	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))
+	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 defined(CONFIG_CMD_FPGA_LOAD_SECURE)
 	else if (!strcmp("loads", opstr))
 		op = FPGA_LOADS;
@@ -208,26 +221,6 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 	}
 
 	switch (op) {
-	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);
@@ -330,10 +323,6 @@ int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 		break;
 #endif
 
-	case FPGA_DUMP:
-		rc = fpga_dump(dev, fpga_data, data_size);
-		break;
-
 	default:
 		printf("Unknown operation\n");
 		return CMD_RET_USAGE;
@@ -349,8 +338,97 @@ static int do_fpga_info(cmd_tbl_t *cmdtp, int flag, int argc,
 	return fpga_info(dev);
 }
 
+static int do_fpga_dump(cmd_tbl_t *cmdtp, int flag, int argc,
+			char * const argv[])
+{
+	size_t data_size = 0;
+	long fpga_data, dev;
+	int ret;
+
+	ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
+				   cmdtp, argc, argv);
+	if (ret)
+		return ret;
+
+	return fpga_dump(dev, (void *)fpga_data, data_size);
+}
+
+static int do_fpga_load(cmd_tbl_t *cmdtp, int flag, int argc,
+			char * const argv[])
+{
+	size_t data_size = 0;
+	long fpga_data, dev;
+	int ret;
+
+	ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
+				   cmdtp, argc, argv);
+	if (ret)
+		return ret;
+
+	return fpga_load(dev, (void *)fpga_data, data_size, BIT_FULL);
+}
+
+static int do_fpga_loadb(cmd_tbl_t *cmdtp, int flag, int argc,
+			 char * const argv[])
+{
+	size_t data_size = 0;
+	long fpga_data, dev;
+	int ret;
+
+	ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
+				   cmdtp, argc, argv);
+	if (ret)
+		return ret;
+
+	return fpga_loadbitstream(dev, (void *)fpga_data, data_size, BIT_FULL);
+}
+
+#if defined(CONFIG_CMD_FPGA_LOADP)
+static int do_fpga_loadp(cmd_tbl_t *cmdtp, int flag, int argc,
+			 char * const argv[])
+{
+	size_t data_size = 0;
+	long fpga_data, dev;
+	int ret;
+
+	ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
+				   cmdtp, argc, argv);
+	if (ret)
+		return ret;
+
+	return fpga_load(dev, (void *)fpga_data, data_size, BIT_PARTIAL);
+}
+#endif
+
+#if defined(CONFIG_CMD_FPGA_LOADBP)
+static int do_fpga_loadbp(cmd_tbl_t *cmdtp, int flag, int argc,
+			  char * const argv[])
+{
+	size_t data_size = 0;
+	long fpga_data, dev;
+	int ret;
+
+	ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
+				   cmdtp, argc, argv);
+	if (ret)
+		return ret;
+
+	return fpga_loadbitstream(dev, (void *)fpga_data, data_size,
+				  BIT_PARTIAL);
+}
+#endif
+
 static cmd_tbl_t fpga_commands[] = {
 	U_BOOT_CMD_MKENT(info, 1, 1, do_fpga_info, "", ""),
+	U_BOOT_CMD_MKENT(dump, 3, 1, do_fpga_dump, "", ""),
+	U_BOOT_CMD_MKENT(load, 3, 1, do_fpga_load, "", ""),
+	U_BOOT_CMD_MKENT(loadb, 3, 1, do_fpga_loadb, "", ""),
+#if defined(CONFIG_CMD_FPGA_LOADP)
+	U_BOOT_CMD_MKENT(loadp, 3, 1, do_fpga_loadp, "", ""),
+#endif
+#if defined(CONFIG_CMD_FPGA_LOADBP)
+	U_BOOT_CMD_MKENT(loadbp, 3, 1, do_fpga_loadbp, "", ""),
+#endif
 };
 
 static int do_fpga_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,