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-rw-r--r--cmd/fat.c152
1 files changed, 152 insertions, 0 deletions
diff --git a/cmd/fat.c b/cmd/fat.c
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index 0000000..aae993d
--- /dev/null
+++ b/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