upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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445 lines
9.1 KiB
445 lines
9.1 KiB
/*
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* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <common.h>
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#include <part.h>
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#include <ext4fs.h>
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#include <fat.h>
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#include <fs.h>
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#include <sandboxfs.h>
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#include <asm/io.h>
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DECLARE_GLOBAL_DATA_PTR;
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static block_dev_desc_t *fs_dev_desc;
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static disk_partition_t fs_partition;
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static int fs_type = FS_TYPE_ANY;
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static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc,
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disk_partition_t *fs_partition)
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{
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printf("** Unrecognized filesystem type **\n");
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return -1;
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}
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static inline int fs_ls_unsupported(const char *dirname)
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{
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return -1;
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}
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static inline int fs_exists_unsupported(const char *filename)
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{
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return 0;
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}
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static inline int fs_size_unsupported(const char *filename)
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{
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return -1;
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}
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static inline int fs_read_unsupported(const char *filename, void *buf,
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int offset, int len)
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{
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return -1;
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}
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static inline int fs_write_unsupported(const char *filename, void *buf,
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int offset, int len)
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{
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return -1;
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}
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static inline void fs_close_unsupported(void)
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{
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}
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struct fstype_info {
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int fstype;
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/*
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* Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
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* should be false in most cases. For "virtual" filesystems which
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* aren't based on a U-Boot block device (e.g. sandbox), this can be
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* set to true. This should also be true for the dumm entry at the end
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* of fstypes[], since that is essentially a "virtual" (non-existent)
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* filesystem.
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*/
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bool null_dev_desc_ok;
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int (*probe)(block_dev_desc_t *fs_dev_desc,
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disk_partition_t *fs_partition);
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int (*ls)(const char *dirname);
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int (*exists)(const char *filename);
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int (*size)(const char *filename);
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int (*read)(const char *filename, void *buf, int offset, int len);
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int (*write)(const char *filename, void *buf, int offset, int len);
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void (*close)(void);
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};
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static struct fstype_info fstypes[] = {
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#ifdef CONFIG_FS_FAT
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{
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.fstype = FS_TYPE_FAT,
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.null_dev_desc_ok = false,
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.probe = fat_set_blk_dev,
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.close = fat_close,
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.ls = file_fat_ls,
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.exists = fat_exists,
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.size = fat_size,
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.read = fat_read_file,
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.write = fs_write_unsupported,
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},
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#endif
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#ifdef CONFIG_FS_EXT4
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{
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.fstype = FS_TYPE_EXT,
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.null_dev_desc_ok = false,
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.probe = ext4fs_probe,
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.close = ext4fs_close,
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.ls = ext4fs_ls,
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.exists = ext4fs_exists,
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.size = ext4fs_size,
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.read = ext4_read_file,
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.write = fs_write_unsupported,
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},
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#endif
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#ifdef CONFIG_SANDBOX
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{
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.fstype = FS_TYPE_SANDBOX,
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.null_dev_desc_ok = true,
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.probe = sandbox_fs_set_blk_dev,
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.close = sandbox_fs_close,
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.ls = sandbox_fs_ls,
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.exists = sandbox_fs_exists,
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.size = sandbox_fs_size,
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.read = fs_read_sandbox,
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.write = fs_write_sandbox,
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},
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#endif
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{
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.fstype = FS_TYPE_ANY,
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.null_dev_desc_ok = true,
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.probe = fs_probe_unsupported,
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.close = fs_close_unsupported,
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.ls = fs_ls_unsupported,
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.exists = fs_exists_unsupported,
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.size = fs_size_unsupported,
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.read = fs_read_unsupported,
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.write = fs_write_unsupported,
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},
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};
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static struct fstype_info *fs_get_info(int fstype)
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{
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struct fstype_info *info;
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int i;
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for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
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if (fstype == info->fstype)
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return info;
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}
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/* Return the 'unsupported' sentinel */
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return info;
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}
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int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
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{
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struct fstype_info *info;
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int part, i;
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#ifdef CONFIG_NEEDS_MANUAL_RELOC
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static int relocated;
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if (!relocated) {
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for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
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i++, info++) {
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info->probe += gd->reloc_off;
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info->close += gd->reloc_off;
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info->ls += gd->reloc_off;
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info->read += gd->reloc_off;
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info->write += gd->reloc_off;
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}
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relocated = 1;
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}
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#endif
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part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc,
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&fs_partition, 1);
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if (part < 0)
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return -1;
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for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
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if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
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fstype != info->fstype)
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continue;
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if (!fs_dev_desc && !info->null_dev_desc_ok)
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continue;
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if (!info->probe(fs_dev_desc, &fs_partition)) {
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fs_type = info->fstype;
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return 0;
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}
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}
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return -1;
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}
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static void fs_close(void)
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{
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struct fstype_info *info = fs_get_info(fs_type);
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info->close();
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fs_type = FS_TYPE_ANY;
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}
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int fs_ls(const char *dirname)
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{
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int ret;
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struct fstype_info *info = fs_get_info(fs_type);
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ret = info->ls(dirname);
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fs_type = FS_TYPE_ANY;
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fs_close();
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return ret;
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}
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int fs_exists(const char *filename)
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{
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int ret;
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struct fstype_info *info = fs_get_info(fs_type);
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ret = info->exists(filename);
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fs_close();
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return ret;
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}
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int fs_size(const char *filename)
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{
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int ret;
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struct fstype_info *info = fs_get_info(fs_type);
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ret = info->size(filename);
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fs_close();
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return ret;
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}
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int fs_read(const char *filename, ulong addr, int offset, int len)
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{
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struct fstype_info *info = fs_get_info(fs_type);
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void *buf;
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int ret;
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/*
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* We don't actually know how many bytes are being read, since len==0
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* means read the whole file.
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*/
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buf = map_sysmem(addr, len);
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ret = info->read(filename, buf, offset, len);
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unmap_sysmem(buf);
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/* If we requested a specific number of bytes, check we got it */
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if (ret >= 0 && len && ret != len) {
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printf("** Unable to read file %s **\n", filename);
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ret = -1;
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}
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fs_close();
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return ret;
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}
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int fs_write(const char *filename, ulong addr, int offset, int len)
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{
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struct fstype_info *info = fs_get_info(fs_type);
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void *buf;
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int ret;
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buf = map_sysmem(addr, len);
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ret = info->write(filename, buf, offset, len);
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unmap_sysmem(buf);
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if (ret >= 0 && ret != len) {
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printf("** Unable to write file %s **\n", filename);
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ret = -1;
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}
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fs_close();
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return ret;
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}
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int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int fstype)
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{
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int size;
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if (argc != 4)
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return CMD_RET_USAGE;
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if (fs_set_blk_dev(argv[1], argv[2], fstype))
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return 1;
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size = fs_size(argv[3]);
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if (size < 0)
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return CMD_RET_FAILURE;
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setenv_hex("filesize", size);
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return 0;
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}
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int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int fstype)
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{
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unsigned long addr;
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const char *addr_str;
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const char *filename;
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unsigned long bytes;
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unsigned long pos;
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int len_read;
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unsigned long time;
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char *ep;
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if (argc < 2)
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return CMD_RET_USAGE;
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if (argc > 7)
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return CMD_RET_USAGE;
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if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
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return 1;
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if (argc >= 4) {
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addr = simple_strtoul(argv[3], &ep, 16);
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if (ep == argv[3] || *ep != '\0')
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return CMD_RET_USAGE;
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} else {
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addr_str = getenv("loadaddr");
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if (addr_str != NULL)
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addr = simple_strtoul(addr_str, NULL, 16);
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else
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addr = CONFIG_SYS_LOAD_ADDR;
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}
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if (argc >= 5) {
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filename = argv[4];
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} else {
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filename = getenv("bootfile");
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if (!filename) {
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puts("** No boot file defined **\n");
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return 1;
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}
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}
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if (argc >= 6)
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bytes = simple_strtoul(argv[5], NULL, 16);
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else
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bytes = 0;
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if (argc >= 7)
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pos = simple_strtoul(argv[6], NULL, 16);
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else
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pos = 0;
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time = get_timer(0);
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len_read = fs_read(filename, addr, pos, bytes);
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time = get_timer(time);
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if (len_read <= 0)
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return 1;
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printf("%d bytes read in %lu ms", len_read, time);
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if (time > 0) {
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puts(" (");
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print_size(len_read / time * 1000, "/s");
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puts(")");
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}
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puts("\n");
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setenv_hex("filesize", len_read);
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return 0;
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}
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int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int fstype)
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{
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if (argc < 2)
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return CMD_RET_USAGE;
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if (argc > 4)
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return CMD_RET_USAGE;
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if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
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return 1;
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if (fs_ls(argc >= 4 ? argv[3] : "/"))
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return 1;
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return 0;
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}
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int file_exists(const char *dev_type, const char *dev_part, const char *file,
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int fstype)
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{
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if (fs_set_blk_dev(dev_type, dev_part, fstype))
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return 0;
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return fs_exists(file);
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}
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int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int fstype)
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{
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unsigned long addr;
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const char *filename;
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unsigned long bytes;
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unsigned long pos;
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int len;
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unsigned long time;
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if (argc < 6 || argc > 7)
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return CMD_RET_USAGE;
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if (fs_set_blk_dev(argv[1], argv[2], fstype))
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return 1;
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filename = argv[3];
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addr = simple_strtoul(argv[4], NULL, 16);
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bytes = simple_strtoul(argv[5], NULL, 16);
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if (argc >= 7)
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pos = simple_strtoul(argv[6], NULL, 16);
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else
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pos = 0;
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time = get_timer(0);
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len = fs_write(filename, addr, pos, bytes);
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time = get_timer(time);
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if (len <= 0)
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return 1;
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printf("%d bytes written in %lu ms", len, time);
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if (time > 0) {
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puts(" (");
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print_size(len / time * 1000, "/s");
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puts(")");
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}
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puts("\n");
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return 0;
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}
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