From: Ashok Reddy Soma ashok.reddy.soma@xilinx.com
Enable required configs for using ubifs in uboot.
UBIFS testing procedure from u-boot: Let's say we have two partitions in dt as below and want to format partition1 "images" with ubifs.
partition@0 { label = "boot"; reg = <0x0 0x1000000>; };
partition@1 { label = "images"; reg = <0x1000000 0x7000000>; };
We will format the partition from linux and copy some files and access from uboot later. First thing, in linux config disable CONFIG_MTD_SPI_NOR_USE_4K_SECTORS. this is required as ubifs expects min LEB size as 15*1024 bytes.
Use below commands in linux to format "images" partition with ubifs.
ubiformat /dev/mtd1 ubiattach /dev/ubi_ctrl -m 1 ubimkvol /dev/ubi0 -N images -m mount -t ubifs ubi0:images /mnt
We can copy files to /mnt and unmount it.
To access this ubifs partition from uboot, run below commands. (Don't forget to probe device before, e.g. sf probe 0 0 0)
setenv mtdids "nor0=nor0" setenv mtdparts "mtdparts=nor0:16m(boot),112m(images)" ubi part images ubifsmount ubi0:images
make sure we match "mtdparts" to whatever is given in dt w.r.t partition sizes.
"mtdparts" command will list the mtd partitions in u-boot.
Once ubifs is mounted, we can use "ubifsls" to list the files in that partition and use "ubifsload <addr> <filename>" to load files from ubifs partition to DDR.
Reading information about mtd layout from DT is not supported.
Signed-off-by: Ashok Reddy Soma ashok.reddy.soma@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
configs/xilinx_versal_virt_defconfig | 4 ++++ configs/xilinx_zynqmp_virt_defconfig | 1 + 2 files changed, 5 insertions(+)
diff --git a/configs/xilinx_versal_virt_defconfig b/configs/xilinx_versal_virt_defconfig index 4c463f48eed5..f9edc727176f 100644 --- a/configs/xilinx_versal_virt_defconfig +++ b/configs/xilinx_versal_virt_defconfig @@ -25,12 +25,15 @@ CONFIG_CMD_DM=y CONFIG_CMD_GPIO=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y +CONFIG_CMD_MTD=y CONFIG_CMD_USB=y CONFIG_CMD_TFTPPUT=y CONFIG_CMD_CACHE=y CONFIG_CMD_TIME=y CONFIG_CMD_TIMER=y CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_MTDPARTS=y +CONFIG_CMD_UBI=y CONFIG_OF_BOARD=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_NET_RANDOM_ETHADDR=y @@ -64,6 +67,7 @@ CONFIG_SPI_FLASH_STMICRO=y CONFIG_SPI_FLASH_SST=y CONFIG_SPI_FLASH_WINBOND=y # CONFIG_SPI_FLASH_USE_4K_SECTORS is not set +CONFIG_SPI_FLASH_MTD=y CONFIG_PHY_MARVELL=y CONFIG_PHY_NATSEMI=y CONFIG_PHY_REALTEK=y diff --git a/configs/xilinx_zynqmp_virt_defconfig b/configs/xilinx_zynqmp_virt_defconfig index a0984c804534..00a53f36e47b 100644 --- a/configs/xilinx_zynqmp_virt_defconfig +++ b/configs/xilinx_zynqmp_virt_defconfig @@ -107,6 +107,7 @@ CONFIG_SPI_FLASH_STMICRO=y CONFIG_SPI_FLASH_SST=y CONFIG_SPI_FLASH_WINBOND=y # CONFIG_SPI_FLASH_USE_4K_SECTORS is not set +CONFIG_SPI_FLASH_MTD=y CONFIG_PHY_MARVELL=y CONFIG_PHY_MICREL=y CONFIG_PHY_MICREL_KSZ90X1=y