1 files changed, 152 insertions, 0 deletions
diff --git a/cmd/cmd_fat.c b/cmd/cmd_fat.c
new file mode 100644
index 0000000000..aae993d2b9
--- /dev/null
+++ b/cmd/cmd_fat.c
@@ -0,0 +1,152 @@
+/*
+ * (C) Copyright 2002
+ * Richard Jones, rjones@nexus-tech.net
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <command.h>
+#include <s_record.h>
+#include <net.h>
+#include <ata.h>
+#include <asm/io.h>
+#include <mapmem.h>
+#include <part.h>
+#include <fat.h>
+#include <fs.h>
+
+int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
+}
+
+U_BOOT_CMD(
+	fatsize,	4,	0,	do_fat_size,
+	"determine a file's size",
+	"<interface> <dev[:part]> <filename>\n"
+	"    - Find file 'filename' from 'dev' on 'interface'\n"
+	"      and determine its size."
+);
+
+int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
+}
+
+
+U_BOOT_CMD(
+	fatload,	7,	0,	do_fat_fsload,
+	"load binary file from a dos filesystem",
+	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
+	"    - Load binary file 'filename' from 'dev' on 'interface'\n"
+	"      to address 'addr' from dos filesystem.\n"
+	"      'pos' gives the file position to start loading from.\n"
+	"      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
+	"      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
+	"      the load stops on end of file.\n"
+	"      If either 'pos' or 'bytes' are not aligned to\n"
+	"      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
+	"      be printed and performance will suffer for the load."
+);
+
+static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
+}
+
+U_BOOT_CMD(
+	fatls,	4,	1,	do_fat_ls,
+	"list files in a directory (default /)",
+	"<interface> [<dev[:part]>] [directory]\n"
+	"    - list files from 'dev' on 'interface' in a 'directory'"
+);
+
+static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
+			 char * const argv[])
+{
+	int dev, part;
+	block_dev_desc_t *dev_desc;
+	disk_partition_t info;
+
+	if (argc < 2) {
+		printf("usage: fatinfo <interface> [<dev[:part]>]\n");
+		return 0;
+	}
+
+	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
+	if (part < 0)
+		return 1;
+
+	dev = dev_desc->dev;
+	if (fat_set_blk_dev(dev_desc, &info) != 0) {
+		printf("\n** Unable to use %s %d:%d for fatinfo **\n",
+			argv[1], dev, part);
+		return 1;
+	}
+	return file_fat_detectfs();
+}
+
+U_BOOT_CMD(
+	fatinfo,	3,	1,	do_fat_fsinfo,
+	"print information about filesystem",
+	"<interface> [<dev[:part]>]\n"
+	"    - print information about filesystem from 'dev' on 'interface'"
+);
+
+#ifdef CONFIG_FAT_WRITE
+static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
+		int argc, char * const argv[])
+{
+	loff_t size;
+	int ret;
+	unsigned long addr;
+	unsigned long count;
+	block_dev_desc_t *dev_desc = NULL;
+	disk_partition_t info;
+	int dev = 0;
+	int part = 1;
+	void *buf;
+
+	if (argc < 5)
+		return cmd_usage(cmdtp);
+
+	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
+	if (part < 0)
+		return 1;
+
+	dev = dev_desc->dev;
+
+	if (fat_set_blk_dev(dev_desc, &info) != 0) {
+		printf("\n** Unable to use %s %d:%d for fatwrite **\n",
+			argv[1], dev, part);
+		return 1;
+	}
+	addr = simple_strtoul(argv[3], NULL, 16);
+	count = simple_strtoul(argv[5], NULL, 16);
+
+	buf = map_sysmem(addr, count);
+	ret = file_fat_write(argv[4], buf, 0, count, &size);
+	unmap_sysmem(buf);
+	if (ret < 0) {
+		printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
+			argv[4], argv[1], dev, part);
+		return 1;
+	}
+
+	printf("%llu bytes written\n", size);
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	fatwrite,	6,	0,	do_fat_fswrite,
+	"write file into a dos filesystem",
+	"<interface> <dev[:part]> <addr> <filename> <bytes>\n"
+	"    - write file 'filename' from the address 'addr' in RAM\n"
+	"      to 'dev' on 'interface'"
+);
+#endif