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These support the flat device tree. We want to use the dev_read_..()
prefix for functions that support both flat tree and live tree. So rename
the existing functions to avoid confusion.
In the end we will have:
1. dev_read_addr...() - works on devices, supports flat/live tree
2. devfdt_get_addr...() - current functions, flat tree only
3. of_get_address() etc. - new functions, live tree only
All drivers will be written to use 1. That function will in turn call
either 2 or 3 depending on whether the flat or live tree is in use.
Note this involves changing some dead code - the imx_lpi2c.c file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present IDE support is controlled by CONFIG_CMD_IDE. Add a separate
CONFIG_IDE option so that IDE support can be enabled without requiring
the 'ide' command.
Update existing users and move the ide driver into drivers/block since
it should not be in common/.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Implement a sata driver for Synopsys DWC sata device based on
U-boot driver model.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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After allocating sata->cmd_hdr_tbl_offset we have to check
this variable and not variable sata.
The problem was indicated by cppcheck.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
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These drivers have no user since commit ea3310e8aafa ("Blackfin:
Remove").
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
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This patch adds the flags parameter to device_remove() and changes all
calls to this function to provide the default value of DM_REMOVE_NORMAL
for "normal" device removal.
This is in preparation for the driver specific pre-OS (e.g. DMA
cancelling) remove support.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
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This patch also includes ARM64 zynqmp changes:
- Remove platform non DM initialization
- Remove hardcoded sata base address
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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All sata based drivers are bind and corresponding block
device is created. Based on this find_scsi_device() is able
to get back block device based on scsi_curr_dev pointer.
intr_scsi() is commented now but it can be replaced by calling
find_scsi_device() and scsi_scan().
scsi_dev_desc[] is commented out but common/scsi.c heavily depends on
it. That's why CONFIG_SYS_SCSI_MAX_DEVICE is hardcoded to 1 and symbol
is reassigned to a block description allocated by uclass.
There is only one block description by device now but it doesn't need to
be correct when more devices are present.
scsi_bind() ensures corresponding block device creation.
uclass post_probe (scsi_post_probe()) is doing low level init.
SCSI/SATA DM based drivers requires to have 64bit base address as
the first entry in platform data structure to setup mmio_base.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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This reverts commit 3edc0c252257e4afed163a3a74aba24a5509b198, reversing
changes made to bb135a0180c31fbd7456021fb9700b49bba7f533.
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This patch also includes ARM64 zynqmp changes:
- Remove platform non DM initialization
- Remove hardcoded sata base address
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Series-to: sjg, agraf@suse.de
Series-cc: uboot
Series-version: 4
Series-changes: 2
- make ceva_init_sata static
- Move SATA_CEVA to defconfig
- Initalized max_lun and max_id platdata
Series-changes: 3
- Extend Kconfig help description
- sort dm.h
- Remove SPL undefinition from board file
- Fix Kconfig dependecies
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All sata based drivers are bind and corresponding block
device is created. Based on this find_scsi_device() is able
to get back block device based on scsi_curr_dev pointer.
intr_scsi() is commented now but it can be replaced by calling
find_scsi_device() and scsi_scan().
scsi_dev_desc[] is commented out but common/scsi.c heavily depends on
it. That's why CONFIG_SYS_SCSI_MAX_DEVICE is hardcoded to 1 and symbol
is reassigned to a block description allocated by uclass.
There is only one block description by device now but it doesn't need to
be correct when more devices are present.
scsi_bind() ensures corresponding block device creation.
uclass post_probe (scsi_post_probe()) is doing low level init.
SCSI/SATA DM based drivers requires to have 64bit base address as
the first entry in platform data structure to setup mmio_base.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Series-changes: 2
- Use CONFIG_DM_SCSI instead of mix of DM_SCSI and DM_SATA
Ceva sata has never used sata commands that's why keep it in
SCSI part only.
- Separate scsi_scan() for DM_SCSI and do not change cmd/scsi.c
- Extend platdata
Series-changes: 3
- Fix scsi_scan return path
- Fix header location uclass-internal.h
- Add scsi_max_devs under !DM_SCSI
- Add new header device-internal because of device_probe()
- Redesign block device creation algorithm
- Use device_unbind in error path
- Create block device with id and lun numbers (lun was there in v2)
- Cleanup dev_num initialization in block device description
with fixing parameters in blk_create_devicef
- Create new Kconfig menu for SATA/SCSI drivers
- Extend description for DM_SCSI
- Fix Kconfig dependencies
- Fix kernel doc format in scsi_platdata
- Fix ahci_init_one - vendor variable
Series-changes: 4
- Fix Kconfig entry
- Remove SPL ifdef around SCSI uclass
- Clean ahci_print_info() ifdef logic
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This patch fixes the warnings about misaligned cache on Armada XP:
CACHE: Misaligned operation at range [7facb400, 7facb460]
Signed-off-by: Stefan Roese <sr@denx.de>
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Current get_desc() implementation is not able to succesfully
finish and return pointer to block device descriptor.
Also function always return non zero value even device is found.
The patch fills block device descriptor and return 0 if device is found.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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To speed up conversion to CONFIG_BLK, enable it by default when DM_MMC is
enabled.
Signed-off-by: Simon Glass <sjg@chromium.org>
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To allow a board- / platform-specific ahci_port_base() function, this
patch removes "static inline" and adds __weak to this function. This
will be used by the upcoming Armada 7K/8K SATA / AHCI support, which
unfortunately needs a different port base address calculation.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Neta Zur Hershkovits <neta@marvell.com>
Cc: Kostya Porotchkin <kostap@marvell.com>
Cc: Omri Itach <omrii@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Cc: Hanna Hawa <hannah@marvell.com>
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Now, arch/${ARCH}/include/asm/errno.h and include/linux/errno.h have
the same content. (both just wrap <asm-generic/errno.h>)
Replace all include directives for <asm/errno.h> with <linux/errno.h>.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Fixup include/clk.]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Remove unneeded variables and assignments.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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i.MX6DQPlus support sata interface, so not return failure
when CPU is i.MX6DQPlus.
In this patch, also use simpler runtime cpu dections macros to replace
is_cpu_type.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tang Yuantian <Yuantian.Tang@freescale.com>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
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The block device uclass does not currently support selecting a particular
hardware partition but this is needed for MMC. Add it so that the blk API
can support MMC properly.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Mark the device name as allocated so that it will be freed correctly when the
device is unbound.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Due to code ordering the block devices are not numbered sequentially. Fix
this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add support for CONFIG_BLK to the systemace driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Move the systemace_get_dev() function below systemace_read() so that we can
avoid a forward declaration.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a function that automatically builds the device name given the parent
and a supplied string. Most callers will want to do this, so putting this
functionality in one place makes more sense.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Allow a devnum parameter of -1 to indicate that the device number should be
alocated automatically. The next highest available device number for that
interface type is used.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This function is implemented by the legacy block functions now. Drop it.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This has nothing of consequence. Remove it and its only inclusion site.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This function is implemented by the legacy block functions now. Drop it.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Now that the MMC code accesses devices by number, we can implement this same
interface for driver model, allowing MMC to support using driver model for
block devices.
Add the required functions to the uclass.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a legacy block interface for sandbox host.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a legacy block interface for systemace.
Signed-off-by: Simon Glass <sjg@chromium.org>
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There is quite a bit of duplicated common code related to block devices
in the IDE and SCSI implementations.
Create some helper functions that can be used to reduce the duplication.
These rely on a linker list of interface-type drivers
Signed-off-by: Simon Glass <sjg@chromium.org>
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This option currently enables both the command and the SCSI functionality.
Rename the existing option to CONFIG_SCSI since most of the code relates
to the feature.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add some functions needed by the SATA code. This allows it to be compiled
for sandbox, thus increasing build coverage.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add some functions needed by the SCSI code. This allows it to be compiled
for sandbox, thus increasing build coverage.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This started as 'ahci' and was renamed to 'disk' during code review. But it
seems that this is too generic. Now that we have a 'blk' uclass, we can use
that as the generic piece, and revert to ahci for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Bring this support back so that sandbox can be compiled with CONFIG_BLK. This
allows sandbox to have greater build coverage during the block-device
transition. This can be removed again later.
This reverts commit 33cf727b1634dbd9cd68a6ebc444a88f053822d7.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Ensure data the following sata command used is flushed out of dcache
and written to physical memory or timeout error may happen.
Signed-off-by: Tang Yuantian <yuantian.tang@nxp.com>
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Initial Ceva Sata init code.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Add a block device cache to speed up repeated reads of block devices by
various filesystems.
This small amount of cache can dramatically speed up filesystem
operations by skipping repeated reads of common areas of a block
device (typically directory structures).
This has shown to have some benefit on FAT filesystem operations of
loading a kernel and RAM disk, but more dramatic benefits on ext4
filesystems when the kernel and/or RAM disk are spread across
multiple extent header structures as described in commit fc0fc50.
The cache is implemented through a minimal list (block_cache) maintained
in most-recently-used order and count of the current number of entries
(cache_count). It uses a maximum block count setting to prevent copies
of large block reads and an upper bound on the number of cached areas.
The maximum number of entries in the cache defaults to 32 and the maximum
number of blocks per cache entry has a default of 2, which has shown to
produce the best results on testing of ext4 and FAT filesystems.
The 'blkcache' command (enabled through CONFIG_CMD_BLOCK_CACHE) allows
changing these values and can be used to tune for a particular filesystem
layout.
Signed-off-by: Eric Nelson <eric@nelint.com>
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Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
Acked-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Driver model is used for host device block devices now, so we don't need the
old code. Remove it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
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Update the host driver to support driver model for block devices. A future
commit will remove the old code, but for now it is useful to be able to use
it both with and without CONFIG_BLK.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
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Make a few minor changes to make it easier to add driver-model support.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
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Add a uclass for block devices. These provide block-oriented data access,
supporting reading, writing and erasing of whole blocks.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
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This is a device number, and we want to use 'dev' to mean a driver model
device. Rename the member.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
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Rename three partition functions so that they start with part_. This makes
it clear what they relate to.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
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Use 'struct' instead of a typdef. Also since 'struct block_dev_desc' is long
and causes 80-column violations, rename it to struct blk_desc.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
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Correct spelling of "U-Boot" shall be used in all written text
(documentation, comments in source files etc.).
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
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Add a uclass ID for a disk controller. This can be used by AHCI/SATA or
other controller types. There are no operations and no interface so far,
but it is possible to probe a SATA device.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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