mmc: add TS7800 FPGA based MMC controller driver #9
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add standard mmc/host controller driver for TS-7800v1
---
$ uname -a
Linux ts-7800 5.10.107 #68 PREEMPT Wed Sep 28 12:18:16 EDT 2022 armv5tel GNU/Linux
$
$ insmod /tmp/ts7800v1_sdmmc.ko
ts7800v1_sdmmc ts7800v1_sdmmc: Detected SDCoreV2
ts7800v1_sdmmc ts7800v1_sdmmc: TS-7800v1 FPGA based SD/MMC Controller initialized
mmc0: new high speed SDHC card at address aaaa
mmcblk0: mmc0:aaaa SS32G 29.7 GiB
mmcblk0: p1 p2 p3
$ fdisk -lu
Disk /dev/mmcblk0: 30 GB, 31914983424 bytes, 62333952 sectors
973968 cylinders, 4 heads, 16 sectors/track
Units: sectors of 1 * 512 = 512 bytes
Device Boot StartCHS EndCHS StartLBA EndLBA Sectors Size Id Type
/dev/mmcblk0p1 0,0,2 8,40,33 1 131072 131072 64.0M da Unknown
/dev/mmcblk0p2 8,40,34 8,137,9 131073 137159 6087 3043K da Unknown
/dev/mmcblk0p3 8,137,10 73,206,13 137160 1185735 1048576 512M 83 Linux
$
$ mkfs.ext4 -L misc /dev/mmcblk0p3
mke2fs 1.46.5 (30-Dec-2021)
/dev/mmcblk0p3 contains a ext4 file system labelled 'misc'
last mounted on Wed Sep 28 20:41:59 2022
Proceed anyway? (y,N) y
Discarding device blocks: done
Creating filesystem with 131072 4k blocks and 32768 inodes
Filesystem UUID: b5d4dd82-1ec1-4b91-8a22-e80ffbc061a1
Superblock backups stored on blocks:
32768, 98304
Allocating group tables: done
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done
$ mount /dev/mmcblk0p3 /mnt/
EXT4-fs (mmcblk0p3): mounted filesystem with ordered data mode. Opts: (null)
$
$ ls -lsrt /mnt/
total 16
16 drwx------ 2 root root 16384 Sep 28 20:46 lost+found
$ cp /lib/libm.so.6 /mnt/
$ sync
$ md5sum /mnt/libm.so.6 /lib/libm.so.6
b11e580b6be20fdcd224e366dc897068 /mnt/libm.so.6
b11e580b6be20fdcd224e366dc897068 /lib/libm.so.6
$ sync
$ umount /mnt/
$
---
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add standard mmc/host controller driver for TS-7800v1