The erratum A-009204 workaround patch was reverted because of
incorrect implementation.
8b6dc6b mmc: sdhci-of-esdhc: Revert "mmc: sdhci-of-esdhc: add
erratum A-009204 support"
This patch is to re-implement the workaround (add a 5 ms delay
before setting SYSCTL[RSTD] to make sure all the DMA transfers
are finished).
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Link: https://lore.kernel.org/r/20191219032335.26528-1-yangbo.lu@nxp.com
Fixes: 5dd1955225 ("mmc: sdhci-of-esdhc: add erratum A-009204 support")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Command queuing has been reported broken on some systems based on Intel
GLK. A separate patch disables command queuing in some cases.
This patch adds a quirk for broken command queuing, which enables users
with problems to disable command queuing using sdhci module parameters for
quirks.
Fixes: 8ee82bda23 ("mmc: sdhci-pci: Add CQHCI support for Intel GLK")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191217095349.14592-2-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Command queuing has been reported broken on some Lenovo systems based on
Intel GLK. This is likely a BIOS issue, so disable command queuing for
Intel GLK if the BIOS vendor string is "LENOVO".
Fixes: 8ee82bda23 ("mmc: sdhci-pci: Add CQHCI support for Intel GLK")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191217095349.14592-1-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Two previous patches introduced below quirks for P2020 platforms.
- SDHCI_QUIRK_RESET_AFTER_REQUEST
- SDHCI_QUIRK_BROKEN_TIMEOUT_VAL
The patches made a mistake to add them in quirks2 of sdhci_host
structure, while they were defined for quirks.
host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
This patch is to fix them.
host->quirks |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
Fixes: 05cb6b2a66 ("mmc: sdhci-of-esdhc: add erratum eSDHC-A001 and A-008358 support")
Fixes: a46e427125 ("mmc: sdhci-of-esdhc: add erratum eSDHC5 support")
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191216031842.40068-1-yangbo.lu@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tuning support in DDR50 speed mode was added in SD Specifications Part1
Physical Layer Specification v3.01. Its not possible to distinguish
between v3.00 and v3.01 from the SCR and that is why since
commit 4324f6de6d ("mmc: core: enable CMD19 tuning for DDR50 mode")
tuning failures are ignored in DDR50 speed mode.
Cards compatible with v3.00 don't respond to CMD19 in DDR50 and this
error gets printed during enumeration and also if retune is triggered at
any time during operation. Update the printk level to pr_debug so that
these errors don't lead to false error reports.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Cc: stable@vger.kernel.org # v4.4+
Link: https://lore.kernel.org/r/20191206114326.15856-1-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This reverts commit 5dd1955225.
First, the fix seems to be plain wrong, since the erratum suggests
waiting 5ms before setting setting SYSCTL[RSTD], but this msleep()
happens after the call of sdhci_reset() which is where that bit gets
set (if SDHCI_RESET_DATA is in mask).
Second, walking the whole device tree to figure out if some node has a
"fsl,p2020-esdhc" compatible string is hugely expensive - about 70 to
100 us on our mpc8309 board. Walking the device tree is done under a
raw_spin_lock, so this is obviously really bad on an -rt system, and a
waste of time on all.
In fact, since esdhc_reset() seems to get called around 100 times per
second, that mpc8309 now spends 0.8% of its time determining that
it is not a p2020. Whether those 100 calls/s are normal or due to some
other bug or misconfiguration, regularly hitting a 100 us
non-preemptible window is unacceptable.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191204085447.27491-1-linux@rasmusvillemoes.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
there is a chance that always get response CRC error after HS200 tuning,
the reason is that need set CMD_TA to 2. this modification is only for
MT8173.
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: stable@vger.kernel.org
Fixes: 1ede5cb88a ("mmc: mediatek: Use data tune for CMD line tune")
Link: https://lore.kernel.org/r/20191204071958.18553-1-chaotian.jing@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The DDR_CONFIG register offset got updated after a specific
minor version of sdcc V4. This offset change has not been properly
taken care of while updating register changes for sdcc V5.
Correcting proper offset for this register.
Also updating this register value to reflect the recommended RCLK
delay.
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/0101016ea738ec72-fa0f852d-20f8-474a-80b2-4b0ef63b132c-000000@us-west-2.amazonses.com
Fixes: f15358885d ("mmc: sdhci-msm: Define new Register address map")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This reverts commit c894e33ddc.
This commit aims to treat SD High speed and SDR25 as the same while
setting UHS Timings in HOST_CONTROL2 which leads to failures with some
SD cards in AM65x. Revert this commit.
The issue this commit was trying to fix can be implemented in a platform
specific callback instead of common sdhci code.
Cc: <stable@vger.kernel.org>
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20191128110422.25917-1-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Here is the "big" set of driver core patches for 5.5-rc1
There's a few minor cleanups and fixes in here, but the majority of the
patches in here fall into two buckets:
- debugfs api cleanups and fixes
- driver core device link support for boot dependancy issues
The debugfs api cleanups are working to slowly refactor the debugfs apis
so that it is even harder to use incorrectly. That work has been
happening for the past few kernel releases and will continue over time,
it's a long-term project/goal
The driver core device link support missed 5.4 by just a bit, so it's
been sitting and baking for many months now. It's from Saravana Kannan
to help resolve the problems that DT-based systems have at boot time
with dependancy graphs and kernel modules. Turns out that no one has
actually tried to build a generic arm64 kernel with loads of modules and
have it "just work" for a variety of platforms (like a distro kernel)
The big problem turned out to be a lack of depandancy information
between different areas of DT entries, and the work here resolves that
problem and now allows devices to boot properly, and quicker than a
monolith kernel.
All of these patches have been in linux-next for a long time with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core patches for 5.5-rc1
There's a few minor cleanups and fixes in here, but the majority of
the patches in here fall into two buckets:
- debugfs api cleanups and fixes
- driver core device link support for boot dependancy issues
The debugfs api cleanups are working to slowly refactor the debugfs
apis so that it is even harder to use incorrectly. That work has been
happening for the past few kernel releases and will continue over
time, it's a long-term project/goal
The driver core device link support missed 5.4 by just a bit, so it's
been sitting and baking for many months now. It's from Saravana Kannan
to help resolve the problems that DT-based systems have at boot time
with dependancy graphs and kernel modules. Turns out that no one has
actually tried to build a generic arm64 kernel with loads of modules
and have it "just work" for a variety of platforms (like a distro
kernel). The big problem turned out to be a lack of dependency
information between different areas of DT entries, and the work here
resolves that problem and now allows devices to boot properly, and
quicker than a monolith kernel.
All of these patches have been in linux-next for a long time with no
reported issues"
* tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (68 commits)
tracing: Remove unnecessary DEBUG_FS dependency
of: property: Add device link support for interrupt-parent, dmas and -gpio(s)
debugfs: Fix !DEBUG_FS debugfs_create_automount
of: property: Add device link support for "iommu-map"
of: property: Fix the semantics of of_is_ancestor_of()
i2c: of: Populate fwnode in of_i2c_get_board_info()
drivers: base: Fix Kconfig indentation
firmware_loader: Fix labels with comma for builtin firmware
driver core: Allow device link operations inside sync_state()
driver core: platform: Declare ret variable only once
cpu-topology: declare parse_acpi_topology in <linux/arch_topology.h>
crypto: hisilicon: no need to check return value of debugfs_create functions
driver core: platform: use the correct callback type for bus_find_device
firmware_class: make firmware caching configurable
driver core: Clarify documentation for fwnode_operations.add_links()
mailbox: tegra: Fix superfluous IRQ error message
net: caif: Fix debugfs on 64-bit platforms
mac80211: Use debugfs_create_xul() helper
media: c8sectpfe: no need to check return value of debugfs_create functions
of: property: Add device link support for iommus, mboxes and io-channels
...
- Add CMD13 polling for MMC IOCTLS with R1B response.
- Add common DT properties for clk-phase-delays for various speed modes.
- Fix size overflow for mmc gp-partitions.
- Re-work HW reset for SDIO cards, which also includes a re-work for
Marvell's WiFi mwifiex SDIO func driver.
MMC host:
- jz4740: Add support for X1000 and JZ4760.
- jz4740: Add support for 8-bit bus and for low power mode.
- mmci: Add support for HW busy timeout for the stm32_sdmmc variant.
- owl-mmc: Add driver for Actions Semi Owl SoCs SD/MMC controller.
- renesas_sdhi: Add support for r8a774b1.
- sdhci_am654: Add support for Command Queuing Engine for J721E.
- sdhci-milbeaut: Add driver for the Milbeaut SD controller.
- sdhci-of-arasan: Add support for ZynqMP tap-delays.
- sdhci-of-arasan: Add support for clk-phase-delays for SD cards.
- sdhci-of-arasan: Add support for Intel LGM SDXC.
- sdhci-of-aspeed: Allow inversion of the internal card detect signal.
- sdhci-of-esdhc: Fixup workaround for erratum A-008171 for tunings.
- sdhci-of-at91: Improve support for calibration.
- sdhci-pci: Add support for Intel JSL.
- sdhci-pci: Add quirk for AMD SDHC Device 0x7906.
- tmio: Enable support for erase/discard/trim requests.
MMC/OMAP/pandora/wl1251:
The TI wl1251 WiFi driver for SDIO on the OMAP openpandora board has been
broken since v4.7. To fix the problems, changes have been made cross
subsystems, but also to OMAP2 machine code and to openpandora DTS files, as
summarized below. Note that, relevant changes have been tagged for stable.
- mmc/wl1251: Re-introduce lost SDIO quirks and vendor-id for wl1251
- omap/omap_hsmmc: Remove redundant platform config for openpandora
- omap_hsmmc: Initialize non-std SDIO card for wl1251 for pandora
- omap/dts/pandora: Specify wl1251 through a child node of mmc3
- wl1251: Add devicetree support for TI wl1251 SDIO
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Merge tag 'mmc-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"These are the updates for MMC and MEMSTICK for v5.5.
Note that this also contains quite some additional changes reaching
beyond both the MMC and MEMSTICK subsystems. This is primarily because
of fixing an old regression for a WiFi driver based on the SDIO
interface on an OMAP openpandora board
MMC core:
- Add CMD13 polling for MMC IOCTLS with R1B response.
- Add common DT properties for clk-phase-delays for various speed
modes.
- Fix size overflow for mmc gp-partitions.
- Re-work HW reset for SDIO cards, which also includes a re-work for
Marvell's WiFi mwifiex SDIO func driver.
MMC host:
- jz4740: Add support for X1000 and JZ4760.
- jz4740: Add support for 8-bit bus and for low power mode.
- mmci: Add support for HW busy timeout for the stm32_sdmmc variant.
- owl-mmc: Add driver for Actions Semi Owl SoCs SD/MMC controller.
- renesas_sdhi: Add support for r8a774b1.
- sdhci_am654: Add support for Command Queuing Engine for J721E.
- sdhci-milbeaut: Add driver for the Milbeaut SD controller.
- sdhci-of-arasan: Add support for ZynqMP tap-delays.
- sdhci-of-arasan: Add support for clk-phase-delays for SD cards.
- sdhci-of-arasan: Add support for Intel LGM SDXC.
- sdhci-of-aspeed: Allow inversion of the internal card detect
signal.
- sdhci-of-esdhc: Fixup workaround for erratum A-008171 for tunings.
- sdhci-of-at91: Improve support for calibration.
- sdhci-pci: Add support for Intel JSL.
- sdhci-pci: Add quirk for AMD SDHC Device 0x7906.
- tmio: Enable support for erase/discard/trim requests.
MMC/OMAP/pandora/wl1251:
The TI wl1251 WiFi driver for SDIO on the OMAP openpandora board has
been broken since v4.7. To fix the problems, changes have been made
cross subsystems, but also to OMAP2 machine code and to openpandora
DTS files, as summarized below. Relevant changes have been tagged for
stable.
- mmc/wl1251: Re-introduce lost SDIO quirks and vendor-id for wl1251
- omap/omap_hsmmc: Remove redundant platform config for openpandora
- omap_hsmmc: Initialize non-std SDIO card for wl1251 for pandora
- omap/dts/pandora: Specify wl1251 through a child node of mmc3
- wl1251: Add devicetree support for TI wl1251 SDIO"
* tag 'mmc-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (73 commits)
dt-bindings: mmc: Correct the type of the clk phase properties
Revert "mmc: tmio: remove workaround for NON_REMOVABLE"
memstick: Fix Kconfig indentation
mmc: sdhci-of-arasan: Add support for ZynqMP Platform Tap Delays Setup
dt-bindings: mmc: arasan: Document 'xlnx,zynqmp-8.9a' controller
firmware: xilinx: Add SDIO Tap Delay nodes
mmc: sdhci-of-arasan: Add support to set clock phase delays for SD
dt-bindings: mmc: Add optional generic properties for mmc
mmc: sdhci-of-arasan: Add sampling clock for a phy to use
dt-bindings: mmc: arasan: Update Documentation for the input clock
mmc: sdhci-of-arasan: Separate out clk related data to another structure
mmc: sdhci: Fix grammar in warning message
mmc: sdhci-of-aspeed: add inversion signal presence
mmc: sdhci-of-aspeed: enable CONFIG_MMC_SDHCI_IO_ACCESSORS
mmc: sdhci_am654: Add Support for Command Queuing Engine to J721E
mmc: core: Fix size overflow for mmc partitions
mmc: tmio: Add MMC_CAP_ERASE to allow erase/discard/trim requests
net: wireless: ti: remove local VENDOR_ID and DEVICE_ID definitions
net: wireless: ti: wl1251 use new SDIO_VENDOR_ID_TI_WL1251 definition
mmc: core: fix wl1251 sdio quirks
...
- Update the ACPICA code in the kernel to upstream revision 20191018
including:
* Fixes for Clang warnings (Bob Moore).
* Fix for possible overflow in get_tick_count() (Bob Moore).
* Introduction of acpi_unload_table() (Bob Moore).
* Debugger and utilities updates (Erik Schmauss).
* Fix for unloading tables loaded via configfs (Nikolaus Voss).
- Add support for EFI specific purpose memory to optionally allow
either application-exclusive or core-kernel-mm managed access to
differentiated memory (Dan Williams).
- Fix and clean up processing of the HMAT table (Brice Goglin,
Qian Cai, Tao Xu).
- Update the ACPI EC driver to make it work on systems with
hardware-reduced ACPI (Daniel Drake).
- Always build in support for the Generic Event Device (GED) to
allow one kernel binary to work both on systems with full
hardware ACPI and hardware-reduced ACPI (Arjan van de Ven).
- Fix the table unload mechanism to unregister platform devices
created when the given table was loaded (Andy Shevchenko).
- Rework the lid blacklist handling in the button driver and add
more lid quirks to it (Hans de Goede).
- Improve ACPI-based device enumeration for some platforms based
on Intel BayTrail SoCs (Hans de Goede).
- Add an OpRegion driver for the Cherry Trail Crystal Cove PMIC
and prevent handlers from being registered for unhandled PMIC
OpRegions (Hans de Goede).
- Unify ACPI _HID/_UID matching (Andy Shevchenko).
- Clean up documentation and comments (Cao jin, James Pack, Kacper
Piwiński).
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Merge tag 'acpi-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20191018, add support for EFI specific purpose memory, update the ACPI
EC driver to make it work on systems with hardware-reduced ACPI,
improve ACPI-based device enumeration for some platforms, rework the
lid blacklist handling in the button driver and add more lid quirks to
it, unify ACPI _HID/_UID matching, fix assorted issues and clean up
the code and documentation.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20191018
including:
* Fixes for Clang warnings (Bob Moore)
* Fix for possible overflow in get_tick_count() (Bob Moore)
* Introduction of acpi_unload_table() (Bob Moore)
* Debugger and utilities updates (Erik Schmauss)
* Fix for unloading tables loaded via configfs (Nikolaus Voss)
- Add support for EFI specific purpose memory to optionally allow
either application-exclusive or core-kernel-mm managed access to
differentiated memory (Dan Williams)
- Fix and clean up processing of the HMAT table (Brice Goglin, Qian
Cai, Tao Xu)
- Update the ACPI EC driver to make it work on systems with
hardware-reduced ACPI (Daniel Drake)
- Always build in support for the Generic Event Device (GED) to allow
one kernel binary to work both on systems with full hardware ACPI
and hardware-reduced ACPI (Arjan van de Ven)
- Fix the table unload mechanism to unregister platform devices
created when the given table was loaded (Andy Shevchenko)
- Rework the lid blacklist handling in the button driver and add more
lid quirks to it (Hans de Goede)
- Improve ACPI-based device enumeration for some platforms based on
Intel BayTrail SoCs (Hans de Goede)
- Add an OpRegion driver for the Cherry Trail Crystal Cove PMIC and
prevent handlers from being registered for unhandled PMIC OpRegions
(Hans de Goede)
- Unify ACPI _HID/_UID matching (Andy Shevchenko)
- Clean up documentation and comments (Cao jin, James Pack, Kacper
Piwiński)"
* tag 'acpi-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (52 commits)
ACPI: OSI: Shoot duplicate word
ACPI: HMAT: use %u instead of %d to print u32 values
ACPI: NUMA: HMAT: fix a section mismatch
ACPI: HMAT: don't mix pxm and nid when setting memory target processor_pxm
ACPI: NUMA: HMAT: Register "soft reserved" memory as an "hmem" device
ACPI: NUMA: HMAT: Register HMAT at device_initcall level
device-dax: Add a driver for "hmem" devices
dax: Fix alloc_dax_region() compile warning
lib: Uplevel the pmem "region" ida to a global allocator
x86/efi: Add efi_fake_mem support for EFI_MEMORY_SP
arm/efi: EFI soft reservation to memblock
x86/efi: EFI soft reservation to E820 enumeration
efi: Common enable/disable infrastructure for EFI soft reservation
x86/efi: Push EFI_MEMMAP check into leaf routines
efi: Enumerate EFI_MEMORY_SP
ACPI: NUMA: Establish a new drivers/acpi/numa/ directory
ACPICA: Update version to 20191018
ACPICA: debugger: remove leading whitespaces when converting a string to a buffer
ACPICA: acpiexec: initialize all simple types and field units from user input
ACPICA: debugger: add field unit support for acpi_db_get_next_token
...
* pm-sleep:
PM / wakeirq: remove unnecessary parentheses
PM / core: Clean up some function headers in power.h
PM / hibernate: memory_bm_find_bit(): Tighten node optimisation
* pm-domains:
PM / Domains: Convert to dev_to_genpd_safe() in genpd_syscore_switch()
mmc: tmio: Avoid boilerplate code in ->runtime_suspend()
PM / Domains: Implement the ->start() callback for genpd
PM / Domains: Introduce dev_pm_domain_start()
* pm-opp:
PM / OPP: Support adjusting OPP voltages at runtime
* powercap:
powercap/intel_rapl: add support for Cometlake desktop
powercap/intel_rapl: add support for CometLake Mobile
This reverts commit 7a7dab2370. We found
out that there is still a race with RuntimePM. This can lead to a hang
when accessing the eMMC in some situations. Revert this change until the
RPM issue is fixed.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Apart from taps set by auto tuning, ZynqMP platform has feature to set
the tap values manually. Add support to set tap delay values in HW via
ZynqMP SoC framework.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support to read Clock Phase Delays from the DT and set it via
clk_set_phase() API from clock framework. Some of the controllers might
have their own handling of setting clock delays, for this keep the
set_clk_delays as function pointer which can be assigned controller
specific handling of the same.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
There are some operations like setting the clock delays may need to have
two clocks, one for output path and one for input path. Adding input
path clock for some phys to use.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To improve the code readability, use two different structs, one for
clock provider data and one for mmc platform data.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The correct form is "did not become", so fix it accordingly.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add read_l callback in sdhci_ops with flipping of SDHCI_CARD_PRESENT
bit in case of inverted card detection signal.
Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Enable CONFIG_MMC_SDHCI_IO_ACCESSORS for the ASPEED MMC driver. The read_l
callback is used for inverted card detection.
Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add Support for CQHCI (Command Queuing Host Controller Interface)
for each of the host controllers present in TI's J721E devices.
Add cqhci_ops and a .irq() callback to handle cqhci specific interrupts.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
With large eMMC cards, it is possible to create general purpose
partitions that are bigger than 4GB. The size member of the mmc_part
struct is only an unsigned int which overflows for gp partitions larger
than 4GB. Change this to a u64 to handle the overflow.
Signed-off-by: Bradley Bolen <bradleybolen@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Isolated initially to renesas_sdhi_internal_dmac [1], Ulf suggested
adding MMC_CAP_ERASE to the TMIO mmc core:
On Fri, Nov 15, 2019 at 10:27:25AM +0100, Ulf Hansson wrote:
-- snip --
This test and due to the discussions with Wolfram and you in this
thread, I would actually suggest that you enable MMC_CAP_ERASE for all
tmio variants, rather than just for this particular one.
In other words, set the cap in tmio_mmc_host_probe() should be fine,
as it seems none of the tmio variants supports HW busy detection at
this point.
-- snip --
Testing on R-Car H3ULCB-KF doesn't reveal any issues (v5.4-rc7):
root@rcar-gen3:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
mmcblk0 179:0 0 59.2G 0 disk <--- eMMC
mmcblk0boot0 179:8 0 4M 1 disk
mmcblk0boot1 179:16 0 4M 1 disk
mmcblk1 179:24 0 30G 0 disk <--- SD card
root@rcar-gen3:~# time blkdiscard /dev/mmcblk0
real 0m8.659s
user 0m0.001s
sys 0m1.920s
root@rcar-gen3:~# time blkdiscard /dev/mmcblk1
real 0m1.176s
user 0m0.001s
sys 0m0.124s
[1] https://lore.kernel.org/linux-renesas-soc/20191112134808.23546-1-erosca@de.adit-jv.com/
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Originally-by: Harish Jenny K N <harish_kandiga@mentor.com>
Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
wl1251 and wl1271 have different vendor id and device id.
So we need to handle both with sdio quirks.
Fixes: 884f386078 ("mmc: core: move some sdio IDs out of quirks file")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Now as we have removed the last user (pandora_wl1251_init_card)
of this callback, we can remove it from the hsmmc code.
Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Pandora_wl1251_init_card was used to do special pdata based
setup of the sdio mmc interface. This does no longer work with
v4.7 and later. A fix requires a device tree based mmc3 setup.
Therefore we move the special setup to omap_hsmmc.c instead
of calling some pdata supplied init_card function.
The new code checks for a DT child node compatible to wl1251
so it will not affect other MMC3 use cases.
Generally, this code was and still is a hack and should be
moved to mmc core to e.g. read such properties from optional
DT child nodes.
Fixes: 81eef6ca92 ("mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: <stable@vger.kernel.org> # v4.7+
[Ulf: Fixed up some checkpatch complaints]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to the comment, board files used to specify 1 ms for the
debounce time. gpiod_set_debounce() needs the debounce time to be
specified in units of microseconds, so make sure to multiply the value
by 1000.
Note that, according to the git log, the board files actually did
specify 1 us for bounce times, but that seems really low. Device tree
bindings for this type of GPIO typically specify the debounce times in
milliseconds, so setting this default value to 1 ms seems like it would
be somewhat safer.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
It have turned out that it's not a good idea to unconditionally do a power
cycle and then to re-initialize the SDIO card, as currently done through
mmc_hw_reset() -> mmc_sdio_hw_reset(). This because there may be multiple
SDIO func drivers probed, who also shares the same SDIO card.
To address these scenarios, one may be tempted to use a notification
mechanism, as to allow the core to inform each of the probed func drivers,
about an ongoing HW reset. However, supporting such an operation from the
func driver point of view, may not be entirely trivial.
Therefore, let's use a more simplistic approach to solve the problem, by
instead forcing the card to be removed and re-detected, via scheduling a
rescan-work. In this way, we can rely on existing infrastructure, as the
func driver's ->remove() and ->probe() callbacks, becomes invoked to deal
with the cleanup and the re-initialization.
This solution may be considered as rather heavy, especially if a func
driver doesn't share its card with other func drivers. To address this,
let's keep the current immediate HW reset option as well, but run it only
when there is one func driver probed for the card.
Finally, to allow the caller of mmc_hw_reset(), to understand if the reset
is being asynchronously managed from a scheduled work, it returns 1
(propagated from mmc_sdio_hw_reset()). If the HW reset is executed
successfully and synchronously it returns 0, which maintains the existing
behaviour.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Cc: stable@vger.kernel.org # v5.4+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Upfront in mmc_rescan() we use the host->rescan_entered flag, to allow
scanning only once for non-removable cards. Therefore, it's also not
possible that we can have a corresponding card bus attached (host->bus_ops
is NULL), when we are scanning non-removable cards.
For this reason, let' drop the check for mmc_card_is_removable() as it's
redundant.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Cc: stable@vger.kernel.org # v5.4+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The quirks2 are parsed and set (e.g. from DT) before the quirk for broken
HS200 is set in the driver.
The driver needs to enable just this flag, not rewrite the whole quirk set.
Fixes: 7871aa60ae ("mmc: sdhci-of-at91: add quirk for broken HS200")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The ->init_card() host ops is printing message to the log, without actually
doing something useful. Let's just drop this code.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This patch adds SDHI support for RZ/G2N (R8A774B1) SoC.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
MMC IOCTLS with R1B responses may cause the card to enter the busy state,
which means it's not ready to receive a new request. To prevent new
requests from being sent to the card, use a CMD13 polling loop to verify
that the card returns to the transfer state, before completing the request.
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To prepare for more users of card_busy_detect(), let's drop the struct
request * as an in-parameter and convert to log the error message via
dev_err() instead of pr_err().
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A previous patch implemented an incomplete workaround of erratum
A-008171. The complete workaround is as below. This patch is to
implement the complete workaround which uses SW tuning if HW tuning
fails, and retries both HW/SW tuning once with reduced clock if
workaround fails. This is suggested by hardware team, and the patch
had been verified on LS1046A eSDHC + Phison 32G eMMC which could
trigger the erratum.
Workaround:
/* For T1040, T2080, LS1021A, T1023 Rev 1: */
1. Program TBPTR[TB_WNDW_END_PTR] = 3*DIV_RATIO.
2. Program TBPTR[TB_WNDW_START_PTR] = 5*DIV_RATIO.
3. Program the software tuning mode by setting TBCTL[TB_MODE] = 2'h3.
4. Set SYSCTL2[EXTN] and SYSCTL2[SAMPCLKSEL].
5. Issue SEND_TUNING_BLK Command (CMD19 for SD, CMD21 for MMC).
6. Wait for IRQSTAT[BRR], buffer read ready, to be set.
7. Clear IRQSTAT[BRR].
8. Check SYSCTL2[EXTN] to be cleared.
9. Check SYSCTL2[SAMPCLKSEL], Sampling Clock Select. It's set value
indicate tuning procedure success, and clear indicate failure.
In case of tuning failure, fixed sampling scheme could be used by
clearing TBCTL[TB_EN].
/* For LS1080A Rev 1, LS2088A Rev 1.0, LA1575A Rev 1.0: */
1. Read the TBCTL[31:0] register. Write TBCTL[11:8]=4'h8 and wait for
1ms.
2. Read the TBCTL[31:0] register and rewrite again. Wait for 1ms second.
3. Read the TBSTAT[31:0] register twice.
3.1 Reset data lines by setting ESDHCCTL[RSTD] bit.
3.2 Check ESDHCCTL[RSTD] bit.
3.3 If ESDHCCTL[RSTD] is 0, go to step 3.4 else go to step 3.2.
3.4 Write 32'hFFFF_FFFF to IRQSTAT register.
4. if TBSTAT[15:8]-TBSTAT[7:0] > 4*DIV_RATIO or TBSTAT[7:0]-TBSTAT[15:8]
> 4*DIV_RATIO , then program TBPTR[TB_WNDW_END_PTR] = 4*DIV_RATIO and
program TBPTR[TB_WNDW_START_PTR] = 8*DIV_RATIO.
/* For LS1012A Rev1, LS1043A Rev 1.x, LS1046A 1.0: */
1. Read the TBCTL[0:31] register. Write TBCTL[20:23]=4'h8 and wait for
1ms.
2. Read the TBCTL[0:31] register and rewrite again. Wait for 1ms second.
3. Read the TBSTAT[0:31] register twice.
3.1 Reset data lines by setting ESDHCCTL[RSTD] bit.
3.2 Check ESDHCCTL[RSTD] bit.
3.3 If ESDHCCTL[RSTD] is 0, go to step 3.4 else go to step 3.2.
3.4 Write 32'hFFFF_FFFF to IRQSTAT register.
4. if TBSTAT[16:23]-TBSTAT[24:31] > 4*DIV_RATIO or TBSTAT[24:31]-
TBSTAT[16:23] > 4* DIV_RATIO , then program TBPTR[TB_WNDW_END_PTR] =
4*DIV_RATIO and program TBPTR[TB_WNDW_START_PTR] = 8*DIV_RATIO.
/* For LS1080A Rev 1, LS2088A Rev 1.0, LA1575A Rev 1.0 LS1012A Rev1,
* LS1043A Rev 1.x, LS1046A 1.0:
*/
5. else program TBPTR[TB_WNDW_END_PTR] = 3*DIV_RATIO and program
TBPTR[TB_WNDW_START_PTR] = 5*DIV_RATIO.
6. Program the software tuning mode by setting TBCTL[TB_MODE] = 2'h3.
7. Set SYSCTL2[EXTN], wait 1us and SYSCTL2[SAMPCLKSEL].
8. Issue SEND_TUNING_BLK Command (CMD19 for SD, CMD21 for MMC).
9. Wait for IRQSTAT[BRR], buffer read ready, to be set.
10. Clear IRQSTAT[BRR].
11. Check SYSCTL2[EXTN] to be cleared.
12. Check SYSCTL2[SAMPCLKSEL], Sampling Clock Select. It's set value
indicate tuning procedure success, and clear indicate failure.
In case of tuning failure, fixed sampling scheme could be used by
clearing TBCTL[TB_EN].
Fixes: b1f378ab53 ("mmc: sdhci-of-esdhc: add erratum A008171 support")
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The ESDHC_FLUSH_ASYNC_FIFO bit which is set to flush asynchronous FIFO
should be polled until it's auto cleared by hardware.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add a property to keep the analog calibration cell powered.
This feature is specific to the Microchip SDHCI IP and outside
of the standard SDHCI register map.
By always keeping it on, after a full reset sequence, we make sure
that this feature is activated and not disabled.
We expose a hardware property to the DT as this feature can be used
to adapt SDHCI behavior vs. how the SDCAL SoC pin is connected
on the board.
Note that managing properly this property would reduce
power consumption on some SAMA5D2 SiP revisions.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Make sdmmc_idma_validate_data to avoid the following warning
from sparse:
drivers/mmc/host/mmci_stm32_sdmmc.c:28:5: warning: symbol 'sdmmc_idma_validate_data' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for low power mode to the Ingenic's MMC/SD Controller.
Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for probing mmc driver on the X1000 Soc from Ingenic.
Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for probing mmc driver on the JZ4760 Soc from Ingenic.
Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Fix sparse warnings:
drivers/mmc/host/sdhci-pci-core.c:1599:6: warning: symbol 'amd_sdhci_reset' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The current arasan sdhci PHY configuration isn't compatible
with the PHY on Intel's LGM(Lightning Mountain) SoC devices.
Therefore, add a new compatible, to adapt the Intel's LGM
SDXC PHY with arasan-sdhc controller to configure the PHY.
Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Yangbo Lu