From: Avi Shchislowski <avi.shchislowski@sandisk.com>
To: ulf.hansson@linaro.org
Cc: linux-mmc@vger.kernel.org, chris@printf.net,
Alex.Lemberg@sandisk.com,
Avi Shchislowski <avi.shchislowski@sandisk.com>,
Alex Lemberg <alex.lemberg@sandisk.com>
Subject: [PATCH 0/3] mmc: FFU for eMMC v5.0
Date: Thu, 13 Nov 2014 18:28:55 +0200 [thread overview]
Message-ID: <1415896135-27114-1-git-send-email-avi.shchislowski@sandisk.com> (raw)
The Field Firmware Update (FFU) feature is new for eMMC 5.0 spec (Jedec:
JESD84-B50.pdf)
http://www.jedec.org/standards-documents/technology-focus-areas/flash-memory-ssds-ufs-emmc/e-mmc
* This solution allows to:
- Complete eMMC 5.0 FFU procedure as an atomic operation, without being interrupted by other IO requests
- Not limited Firmware data size. Using Multiple Write operations.
- Support of both EXT_CSD_MODE_OPERATION_CODES modes
* The solution is using "udev" device manager to transfer FW data from user space to eMMC driver
* Pre-existing functions from mmc_test were used in this solution.
*New ioctl has been add:
-transfer the new Firmware data from user space
to the eMMC deivce and install the newfirmware.
Signed-off-by: Avi Shchislowski <avi.shchislowski@sandisk.com>
Signed-off-by: Alex Lemberg <alex.lemberg@sandisk.com>
Avi Shchislowski (3):
mmc: Add eMMC5.0 ffu ext_csd field
mmc: move some mmc_test.c function to core.c
mmc: Support FFU for eMMC v5.0
drivers/mmc/card/Kconfig | 8 +
drivers/mmc/card/block.c | 5 +
drivers/mmc/card/mmc_test.c | 97 +--------
drivers/mmc/core/Makefile | 1 +
drivers/mmc/core/core.c | 128 ++++++++++++
drivers/mmc/core/mmc.c | 3 +
drivers/mmc/core/mmc_ffu.c | 487 +++++++++++++++++++++++++++++++++++++++++++
include/linux/mmc/card.h | 1 +
include/linux/mmc/core.h | 30 +++
include/linux/mmc/mmc.h | 8 +
10 files changed, 682 insertions(+), 86 deletions(-)
create mode 100644 drivers/mmc/core/mmc_ffu.c
--
1.7.9.5
next reply other threads:[~2014-11-13 16:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 16:28 Avi Shchislowski [this message]
2014-11-21 13:07 ` [PATCH 0/3] mmc: FFU for eMMC v5.0 Ulf Hansson
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