Linux mmc command. mmc - a tool for configuring MMC storage devices.

Linux mmc command Booting Linux from SD card or eMMC¶. Mar 13, 2017 · Toggle navigation Patchwork Linux MMC development Patches Register; Mail settings; 9620695 diff mbox [V2,18/22] mmc: mmc: Enable Command Queuing. SD/MMC Card (Linux) Introduction . 8 (MMC 5. 1 (2014), Enhanced Strobe added: strobe also provided during CMD Response - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin. This controller supports eMMC devices with command queue support. The Linux kernel module mmc_spi can handle the card attached to any generic SPI interface. 1-rc4" kernel patched with Al Cooper's eight "V3" "mmc" patches. eMMCs, SD cards). /dev/mmcblk{id}p{x}. There is one MMC test tools called mmc-utils, which is maintained by Chris Ball, you can find it at the below public git repository: The Linux Kernel 5. Identify the MMC Device: First, you need to identify the device name of your MMC. There is one MMC test tools called mmc-utils, which is maintained by Chris Ball, you can find it at the below public git repository: #define MMC_IOC_MULTI_CMD _IOWR(MMC_BLOCK_MAJOR, 1, struct mmc_ioc_multi_cmd) * Since this ioctl is only meant to enhance (and not replace) normal access * to the mmc bus device, an upper data transfer limit of MMC_IOC_MAX_BYTES CHAPTER THREE MAILING LIST Theprojectusesthekernel’smmcmailinglist. org mailing list with maintainers as Cc recipients. Computer Programming. In this Linux cheat sheet, we will cover all the most important Linux commands, from the basics to the advanced. SD and MMC Block Device Attributes; SD and MMC Device Partitions; MMC Asynchronous Request Jul 31, 2021 · ちょっと早い夏休みだ自由研究をしよう(1日目)TL;DRTRIMという会話で不整合が起きることがたまにある。FS TRIMと、MMC TRIMとは別概念。そこを注意して会話をしましょう。FS… MMC/SD/SDIO card support. Oct 10, 2014 · i. debug_quirks=0x65168080 as mentioned here but it doesn't work. mmc-utils is a single-threaded tool that will perform a specified type of mmc action as specified by the user. Tuning command (CMD21) can be used to find optimal data sampling. ko, if it matters) and modprobe mtk_mmc later. From: Venkat Gopalakrishnan <venkatg@codeaurora. com 20/26 Oct 7, 2014 · There is another RTS-free option for people who need MMC-command access to the cards or eMMC chips. > Command Prompt To start the MMC at the command prompt enter the following: mmc. Chapter 8 Using a Linux Host to Set Up an SD/MMC Card. rossler@xxxxxxxxx, sperson@xxxxxxxxxx, Bean Huo <beanhuo@xxxxxxxxxx> Oct 2, 2019 · Similar situation if I compile mmc drivers (mtk_mmc. Note that every MMC device does not have on-board cache and this command is not supported/implemented on devices that do not possess a cache. 5. This enables the controller to process upto 32 requests at a time. Using mmc_wait_for_req(), the MMC controller is idle while dma_map_sg and dma_unmap_sg are processing. blk# start block offset cnt block count partname Sep 30, 2015 · This first address is the one where u-boot will look for the (probably compressed) linux kernel image. scr, just add a command 'mmc dev 2' before doing mmc info and rest 4) your problem should be solved. Due to the sensitive nature of the boot partition contents, which often store a bootloader or bootloader configuration tables crucial to booting the platform, write access is disabled by default to reduce the chance of accidental bricking. Now, regarding the bootm: This command starts a kernel image running. > > When MMC_CAP_WAIT_WHILE_BUSY isn't supported by the host the DAT0 line > isn't being monitored for busy completion, but instead we are waiting a > fixed Mmc-utils is a tool that supports the MMC device development of Linux kernel. 3. 3. Booting Linux* from the DXE Phase Using SD/MMC Manually 1. To figure out how to implement our design, we need to figure out how that driver implements erases and sanitization for eMMC devices. Part Number: AM3352 Hi, my customer would like to know TI_LINUX_SDK include the mmc command in mmc-util. SD and MMC Block Device Attributes; SD and MMC Device Partitions; MMC Asynchronous Request; MMC tools introduction; Non-Volatile Memory Device (NVDIMM) W1: Dallas' 1-wire bus; The Linux RapidIO Subsystem; Writing s390 channel device drivers; VME Device Drivers; Linux 802. Synopsis. Similarly, the command "mmc dev <dev#> <partition#>", allows me to switch to the partitions show in the "mmc part" command. This tool can be used not only to retrieve information about the eMMC device, but also change its configuration. The mmc-utils tools can do the following: - Print and parse extcsd data. Linux 802. Both eMMC and SD card are mmc devices, so we need to figure out which mmc device is the eMMC. Recompiled Kernel and generated Image . According to customer's kernel-code-analysis, they believe Linux SDK is supporting this. The ‘mmc read’ command reads raw data to memory address from MMC device with block offset and count. 851968] mmc0: new HS400 MMC card at address 0001 [ 3. 2V With MMC 5. 1. If Linux is booted without an SD card, command ls /dev/mmcblk* will list only the eMMC: It was later renamed the "MM capabilities and mechanical status mode page" and has been made obsolete in MMC-4 and MMC-5. 2. MX6Q CPU). MX 6Solo and i. I enabled CONFIG_MMC_TEST as a LKM. SD/MMC cards which use the MMC subsystem are available as block device through /dev/mmcblk{id}. Therefore, customer is asking AM335x Processor SDK(Version: 06_03_00_106) is supporting eMMC's sleep-mode or not. kernel/git Nop. Read and write access is provided to the two MMC boot partitions. 1をベースに記述しています）はじめにmmcドライバと… For the next step, use mmc hwpartition user enh to set enhanced storage with a starting block and a block count (number of 512 byte blocks) which must be aligned with the 'HC WP group size' reported from the 'mmc info' command. 9. 2 mmc-utils The tool mmc-utils is by default installed in the root file system when using Embedded Artists Yocto image. May 4, 2021 · On 2021/5/5 0:12, Ulf Hansson wrote: > After the eMMC sleep command (CMD5) has been sent, the card start signals > busy on the DAT0 line, which can be monitored to understand when it's > allowed to proceed to power off the VCC regulator. Aug 2, 2024 · FAQs on Linux Commands Cheat Sheet; Basic Linux Commands with Examples. MMC Boot Partitions¶ Read and write access is provided to the two MMC boot partitions. Booting Linux* from the DXE Phase Using SD/MMC Automatically Booting Linux* from the DXE Phase Using SD/MMC Automatically 1. 0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device 5048 Flags: bus master, fast devsel There you should submit your patches, ask for help, or discuss mmc-utils related issues. The typical use of mmc-utils is to access the mmc device either for configuring or reading its configuration registers. 00 MiB Code located in drivers/mmcand headers in include/linux/mmc/ Currently maintained by Ulf Hansson since 2014 Code separated in two parts: core: protocol for MMC/eMMC and SD Card as well as common functions for the framework host: support for the controllers host/sdhci*for the controller based on SDHCI maintained by Adrian Hunter MMC tools introduction¶. This would probably lead to lower data rates, and still requires manual wiring. I could maybe create a binary that calls the function mmc_cqe_request_done(mmc, mrq) from cqhci-core. Traditionally, advanced embedded systems have focused on CPU and memory speeds, which outpaced improvements in There is one MMC test tools called mmc-utils, which is maintained by Ulf Hansson, you can find it at the below public git repository: Send Sanitize command 4. Here’s how you can do it using the `mkfs` command:1. SD and MMC Block Device Attributes; SD and MMC Device Partitions; MMC Asynchronous Request Apr 28, 2015 · Currently from a user space application with su access, I am parsing ext_csd from debugfs filesystem, converting the string into raw byte data and passing it into a decode ext_csd function to fill lspci -v 00:00. Linux kernel source tree. 10. In software tuning mode CPU should send multiple command to host controller but in hardware tuning mode, CPU need send only one tuning command to sd host To update the partitions, you will need to create the disk images on your linux box, then tftp them to the TX6UL and burn them with the mmc write command. MX 6Sololite Linux Binary Demo Files. The MMC driver will issue all * commands in array in sequence to card. In one of my previous posts I already found o MMC/SD/SDIO card support¶. The implantation correct to me. MMC With Command Queuing Linux® Storage System Analysis for e. SD and MMC Block Device Attributes; SD and MMC Device Partitions; MMC Asynchronous Request; MMC tools introduction. exe <MMC_configuration_file> Where <MMC_configuration_file> is the name of a previously stored MMC snap-in configuration file. org> This patch adds CMDQ support for command-queue compatible hosts. The device path should specify the csd file directory. One can check documentation in L3. 6. Dec 16, 2021 · I have a system that has an eMMC card on it, and I am trying to use the erase functioanlity defined in the eMMC specification (6. This cheat sheet is useful for Beginners and Experience professionals. [ 3. Introduction¶. e. The Linux Kernel 5. Contribute to torvalds/linux development by creating an account on GitHub. Functions; Non-Volatile Memory Device (NVDIMM) W1: Dallas’ 1-wire bus; The Linux RapidIO Subsystem; Writing s390 channel device drivers; VME Device Drivers; Linux 802. A patch should be sent as a mail to the linux-mmc @ vger . I'm stuck since I can't find the device path of my MMC. mmc0: new SDHC card at address b368 Thanks, Jeff--To unsubscribe from this list: send the line "unsubscribe linux-mmc" in Linux kernel source tree. This can be done using util White Paper: Linux® Storage System Analysis for e. For APIs one can look below. May 24, 2016 · error -110 sending stop command — Linux Multimedia Memory Controller Development Mar 13, 2015 · # mmc extcsd read /dev/mmcblk0 ioctl: Connection timed out Could not read EXT_CSD from /dev/mmcblk0 # mmc writeprotect get /dev/mmcblk0 ioctl: Connection timed out Could not read EXT_CSD from /dev/mmcblk0 And a Stack Overflow comment mentioned a command line tool called sdtool, but does not provide a URL RPMB commands are send using the mmc multi-ioctl, thus ensures that the atomic nature of the rpmb access operation. So, unless u-boot has a "format eMMC" command that I haven't seen, I'm not sure how to get a file system formatted on the chip using u-boot. 14. SYNOPSIS¶ mmc [options] [ mmc-block-device] DESCRIPTION¶ mmc-utils is a single-threaded tool that will perform a specified type of mmc action as specified by the user. It is up to the user to decide if and how to use each of the hardware partitions. Mar 26, 2019 · Linux Kernelのmmcドライバを調べる機会があったので、メモ代わりに概要をまとめてみたいと思います。（Kernelバージョンは4. MMC/SD/SDIO card support. In mount and lsblk I see it at /dev/mmcblk0 but my tools can't seem to open it. Binding the MMC Card for Testing¶. c but I don't have access to mmc, mrq parameters since im not making a kernel driver or maybe I can create the parameters somehow from a block device itself after booting the kernel and running Linux kernel source tree. Followed below steps. The typical use of mmc-utils is to access the mmc device either for configuring or reading its MMC tools introduction. 0. The multimedia card high-speed/SDIO (MMC/SDIO) host controller provides an interface between a local host (LH) such as a microprocessor unit (MPU) or digital signal processor (DSP) and either MMC, SD® memory cards, or SDIO cards and handles MMC/SDIO transactions with minimal LH intervention. MMC, UFS and SSD. 4. 4. 11 Driver Developer’s Guide; The Aug 1, 2016 · The cache referred to is indeed the on-board cache on the MMC device. 0 MMC tools introduction Send Sanitize command. 11 Driver Developer's Guide; The Userspace I/O sanitize <device> Send Sanitize command to the <device>. If unsure, say N. 1. Must be used at 1. RPMB commands are send using the mmc multi-ioctl, thus ensures that the atomic nature of the rpmb access operation. pdf - it shows. 866874] mmcblk0boot0: mmc0:0001 BJTD4R partition 1 4. mmc [options] [mmc-block-device] Description. rpmb write-key <rpmb device> <key file> Program authentication key which is 32 bytes length and stored in the specified file. Traditionally, advanced embedded systems have focused on CPU and memory speeds, which outpaced improvements in The official Linux kernel from Xilinx. the function mmc_flush_cache() is mapped to the EXT_CSD_FLUSH_CACHE MMC command. Linux Kernel development - MMC, SD, UFS and other embedded storage related development - svenkatr/linux MMC/SD/SDIO card support¶. The proper way to do this, in Arch Linux but by now in all systems which use udev, is the command: sudo udevadm info -a -n /dev/sdb in your case. To make the image for the first partition, you could use these commands on your linux box. Aug 8, 2023 · U-Boot> mmc list mmcnr@7e300000: 1 mmc@7e340000: 0 (eMMC) U-Boot> mmc part Partition Map for MMC device 0 -- Partition Type: DOS Part Start Sector Num Sectors UUID Type 1 2048 247808 dda41d44-01 0c 2 249856 60821504 dda41d44-02 83 U-Boot> When I give mmc hw partition First, verify that eMMC is available on the EVM and determine the mmc device number for eMMC. MMC tools (mmc-utils) ===== mmc-utils is a tool for configuring MMC storage devices from userspace. 9 Erase) using the the mmc-utils user space tool. cmdq_en = false; I am thinking maybe setting the parameter ext_csd. attached i. 13. Nov 3, 2017 · Changes since V11: Split "mmc: block: Add CQE and blk-mq support" into 2 patches Changes since V10: mmc: core: Remove unnecessary host claim mmc: core: Introduce host claiming by context mmc: core: Add support for handling CQE requests mmc: mmc: Enable Command Queuing mmc: mmc: Enable CQE's mmc: block: Use local variables in mmc_blk_data_prep Similar to the eMMC health status, you can check and set the write reliablity using the mmc command. This can be done by checking the mmc devices with command ls /dev/mmcblk*. Question: Is there any command sequence I can send to MMC via software, before/during/after initialization sequence to completely reset it "as-if" power had been removed? Note: I wonder if there is any kind of MMC for linux, given I want to admin different linux systems. g. - Set the eMMC writeprotect status. Contribute to Xilinx/linux-xlnx development by creating an account on GitHub. Jul 27, 2023 · Or I could run a function that stops the recovery. 11 Driver Developer’s Guide; The Userspace I/O HOWTO; Linux Firmware API; PINCTRL (PIN CONTROL) subsystem; General Purpose Input/Output (GPIO) RAID The Linux Kernel. Contents MMC tools introduction Send Sanitize command. com> Certain eMMC devices allow vendor specific device information to be read via a sequence of vendor commands. is the address where u-boot will copy the decompressed linux kernel image; Entry Point: 70008000 - linux kernel entry point address Linux 802. To enable MMC testing, you need to unbind the MMC card from the mmcblk driver and bind it to the mmc_test driver. 0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08) Subsystem: Lenovo Device 5048 Flags: bus master, fast devsel, latency 0 Capabilities: <access denied> Kernel driver in use: skl_uncore 00:02. So you realize that you cannot change the length of the data? This selects the Command Queue Host Controller Interface (CQHCI) support present in host controllers of Qualcomm Technologies, Inc amongst others. struct mmc_ioc_cmd cmds [0];}; #define MMC_IOC_CMD _IOWR (MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd) /* * MMC_IOC_MULTI_CMD: Used to send an array of MMC commands described by * the structure mmc_ioc_multi_cmd. Also you can specify '-' instead of key file path to read the key from stdin. Using non-blocking MMC requests makes it possible to prepare the caches for next job in parallel with an active MMC request. Sep 14, 2017 · # mmc csd read /dev/mmcblk0 MMC/SD information directory '/dev/mmcblk0' does not exist. 11 Driver Developer's Guide; The Userspace I/O Jun 15, 2024 · Here’s a guide on how to format and mount an MMC on Linux:Formatting MMC (e. MMC With Command Queuing Linux is a widely used embedded OS that also manages block devices such as e. I would like to read the environment, starting at 0x7D000 for length 0x20000. The class is a view of a device which is independent of the low-level implementation details. But when I run the command the erase does not work as expected. Load Address: 70008000. Thanks for taking the time to reply! I have no objection to using a file system, but my eMMC is soldered onto the board. 25. Dec 24, 2019 · I have already done complete eMMC region as pSLC and it got worked with the below command: mmc hwpartition user enh <start> <size> wrrel on complete However, I didn't get how to achieve the above combination of MLC and pSLC with the same command. The classic example is a disk. Feb 23, 2022 · Linux kernel developers have developed mmc_test as a unit-testing module to test emmc and made it as a part of Linux kernel source code. SD/MMC cards can erase an arbitrarily large area up to and including the whole card. Traditionally, advanced embedded systems have focused on CPU and memory speeds, which outpaced improvements in Binding the MMC Card for Testing¶. 1) Hi @triggerola1,. 11 Driver Developer’s Guide; MMC tools introduction Send Sanitize command. cmdq_en=false I tried this sdhci. – Nov 20, 2020 · So I have a U-Boot boot loader with environment on the eMMC (i. 8V or 1. Jul 16, 2017 · I have a 16‐gigabyte‐(GB) SanDisk Ultra water‐, temperature‐, shock‐ / vibration‐, X‐ray‐, magnet‐, and impact‐proof Micro Secure Digital Extended Capacity (MicroSDXC) Ultra High Speed I (UHS‐I) card which used to work both using a SanDisk Universal Serial Bus (USB) adapter and the built‐in card. # mmc csd --help Usage: mmc csd read <device path> Print CSD data from <device path>. 35_4. Device partitions are additional logical block devices present on the SD/MMC device. Sep 9, 2015 · From: Seshagiri Holi <sholi@nvidia. Command queue is added in eMMC-5. Sep 16, 2021 · I'm performance testing an MMC to failure and would like to use tools like smartmon-tools and mmc-utils to check drive health as I write data. The rpmb device given as a parameter to the rpmb commands is not a block device but a char device. Linux commands are used to perform a variety of tasks, including displaying information about files and directories. 4 cards can support secure erase, trim and secure trim operations that are all variants of the basic erase command. you have to read/write in units of a sector). 6. 12. Linux commands are a type of Unix command or shell procedure. It does not show any GPPs or boot partitions. As of this writing, MMC boot partitions as supported and exposed as /dev/mmcblkXboot0 and /dev/mmcblkXboot1, where X is the index of the parent /dev/mmcblkX. Running mmc-utils¶ Name. MMC Boot Partitions¶. Just this one (I'm using a 16GB microSD that's plugged in via a SD card adaptor). The Linux kernel provides a single driver subsystem, mmc, which provides a block device interface for a variety of MMC devices (e. The kernel normally parses the partition table and exports the partitions of the card using the appendix p{x}, e. The syntax is : Nov 27, 2024 · Use of Linux Commands. Program authentication key for the device. mmc - a tool for configuring MMC storage devices. Jul 15, 2023 · Note that Packed Commands cannot * be used with Command Queue. White Paper: Linux® Storage System Analysis for e. The ‘mmc write’ command writes raw data to MMC device from memory address with block offset and count. kernel . Aug 28, 2016 · src is a pointer to a block of memory that is internal to the filesystem, if you wish to stream data from a device to the MMC, then you will need intermediate code to buffer that stream in memory and pass it to the high-level filesystem write function. Thereyoushouldsubmityourpatches,askforhelp,ordiscussmmc-utilsrelatedissues. 1 Check eMMC version # mmc extcsd read /dev/mmcblk2 | head 2 ===== Extended CSD rev 1. A resource for experimenting with the SD card CMD42 password lock/unlock command using Fedora 23 running a patched "Linux 4. This was done to help the mmc driver to account for some of the rpmb peculiarities. MMC tools introduction¶. The ‘mmc info’ command displays information (Manufacturer ID, OEM, Name, Bus Speed, Mode, …) of MMC device. Hope it helps. These vendor commands must be issued in sequence and an atomic fashion. Jun 1, 2010 · SD/MMC cards tend to support an erase operation. operations with partitions and blocks. Feb 24, 2020 · Now, to read an image from an MMC card formatted in FAT, the command is: fatload mmc <dev>[:partition] <loadAddress> <bootfilename> So the 2 fatload commands are loading the 2 files from MMC card into the processor's memory/RAM. Mar 13, 2017 · From: Venkat Gopalakrishnan <venkatg@codeaurora. Jan 16, 2018 · O2 sd host controllers have a hardware tuning function. The Linux Kernel. Both region with complete The eMMC which customer is using complies with JEDEC standard and this eMMC is able to enter Sleep-state with CMD5 command. Dec 6, 2017 · The MMC can be accessed by streaming or block operations, but when mounted as a filesystem, the MMC is a block device (i. This is the setting when using the eMMC device in pSLC mode. I have tried the below commands and none of them are working as expected. , MMC/SD Card)Before mounting an MMC, it needs to be properly formatted. If you have a controller with this interface, say Y or M here. The 'mmc write' command writes raw data to MMC device from memory address with block offset and count. New features such as support for "BD" (blue ray) media type can only be found by using the GET CONFIGURATION command. 6M subscribers in the programming community. 0_LINUX_DOCS. MX_6Dual6Quad_SABRE-SD_Linux_User's_Guide. When I checked the mmc csd command's help it says "device path should specify the csd file directory. */ #define MMC_IOC_MULTI_CMD _IOWR (MMC_BLOCK_MAJOR, 1, struct mmc @TomRini, Using the command: "mmc part", this shows my software partitions created using fdisk. Edit: A reply to your comment: I believe you are mistaken. Within the default environment for each board that supports SD/MMC there is a boot command called mmcboot that will set the boot arguments correctly and start the kernel. We will also provide some tips on how to practice and learn Linux commands. - Set the eMMC data sector size to 4KB by disabling emulation. - Create general purpose partition. Do you know something similar that I wont need do everything by command? (doesnt botther me, but I preffer something like MMC) Thanks a lot for your help? PD: I also accept any advice in order to improve my linux administration daily work. - Determine the eMMC writeprotect status. 1 GiB [ 3. Dec 21, 2015 · On Tue, Dec 29, 2015 at 03:08:20PM +0200, Adrian Hunter wrote: > On 21/12/15 13:40, Russell King wrote: > > When we get a response CRC error on a command, it means Oct 25, 2016 · Changing the Configuration of the MMC. 5. Thanks! 2) for each of those devices : do : mmc dev <dev#> and mmc info, one of them should match with 208MHZ, let's assume that is 2, 3) in your boot. When erasing a large area it may be desirable to do it in smaller chunks for three reasons: A single erase command will make all other I/O on the card wait. In addition, eMMC v4. addr memory address blk# start block offset cnt block count. Traditionally, advanced embedded systems have focused on CPU and memory speeds, which outpaced improvements in Jun 9, 2016 · linux kernelのscatter gatherの仕組みを使う。 SDIO host の DMAが許容するセグメントサイズ card->host->max_seg_size 毎に にscatter gatherのエントリを作成する。 May 5, 2019 · 第3章花了很大的篇幅介绍了用于抽象MMC host的数据结构----struct mmc_host，并详细说明了和mmc_host相关的mmc request、mmc command、mmc data等结构。 基于这些知识，本章将介绍MMC core提供的和struct mmc_host有关的操作函数，主要包括如下几类。 SD/MMC cards can erase an arbitrarily large area up to and including the whole card. The GET CONFIGURATION command was introduced in MMC-2 and has become a replacement for that mode page. This will delete the unmapped memory region of the device. EXAMPLES¶ RPMB examples Apr 27, 2014 · thank you, additional information (exact command CMD56 aka vendor-specific GEN_CMD and TI docs) helped me to make right web search and to find mmc-tools and MMC_IOC_CMD generic MMC/SD ioctl to send short custom commands in linux. The information reside also the EXT_CSD (extended card specific data) section. Message ID: White Paper: Linux® Storage System Analysis for e. Apr 8, 2022 · Subject: [PATCH v1] mmc-utils: Add General command CMD56 read support; From: Bean Huo <huobean@xxxxxxxxx>; Date: Fri, 8 Apr 2022 19:48:32 +0200; Cc: linux-mmc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, jakob. The 'mmc erase' command erases cnt blocks on the MMC device starting at block blk# or the entire partition specified by partname. MMC block driver¶ The mmc_blk_issue_rw_rq() in the MMC block driver is made non-blocking. Just for reference check sect. This allows the mmc_test framework to take control of the MMC card for testing purposes. 862095] mmcblk0: mmc0:0001 BJTD4R 29. 1 specification. */ card->ext_csd. Jan 30, 2025 · This can be configured within Linux via the mmc-utils application, or within U-Boot via the mmc partconf command (see below). Contribution guidelines ----- The project works using a mailing list patch submission process, similar to the process used for the Linux kernel itself. They are the basic tools used to interact with Linux on an individual level. jcac wozbsb ntnbsh abwqel vqc sduf bjlga van ftql uevqr yly tsere vbxl vtbi xrhwhq