Commit graph

47816 commits

Author SHA1 Message Date
Jean-Jacques Hiblot
f7d5dffc65 mmc: don't use malloc_cache_aligned()
Not using this function reduces the size of the binary. It's replaces by
a standard malloc() and the alignment requirement is handled by an
intermediate buffer on the stack.

Also make sure that the allocated buffer is freed in case of error.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
1de06b9fa5 mmc: fix for old MMCs (below version 4)
The ext_csd is allocated only for MMC above version 4. The compare will
crash or fail for older MMCs.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
1da8eb598f mmc: all hosts support 1-bit bus width and legacy timings
Make sure that those basic capabilities are advertised by the host.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
00e446fa04 mmc: Fixed a problem with old sd or mmc that do not support High speed
As the legacy modes were not added to the list of supported modes, old
cards that do not support other modes could not be used.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
7abff2c3b3 dm: mmc: update mmc_of_parse()
* convert to livetree API
* don't fail because of an invalid bus-width, instead default to 1-bit.
* recognize 1.2v DDR and 1.2v HS200 flags

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
52d241dfba mmc: dump card and host capabilities if debug is enabled
This is a useful information while debugging the initialization process or
performance issues.
Also dump this information with the other mmc info if the verbose option
is selected

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jaehoon Chung
ef1614acf8 mmc: meson_gx_mmc: fix the complie error
mmc_set_clock() is changed.
This patch is for fixing complie error.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
9215ef5ed5 dm: mmc: Add a library function to parse generic dt binding
Add a new function to parse host controller dt node and
set mmc_config. This function can be used by mmc controller
drivers to set the generic mmc_config.
This function can be extended to set other UHS mode caps
once UHS mode support is added.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
9815e3ba80 mmc: add a library function to send tuning command
HS200/SDR104 requires tuning command to be sent to the card.
Add a simple function to send tuning command and to read and
compare the received data with the tuning block pattern.
This function can be used by platform driver to perform DLL
tuning.
This patch is similar to
commit 996903de92f0 ("mmc: core: add core-level function for
sending tuning commands") added in linux kernel.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
bc1e3272ff mmc: use the right voltage level for MMC DDR and HS200 modes
HS200 only supports 1.2v and 1.8v signal voltages. DDR52 supports 3.3v/1.8v
or 1.2v signal voltages.
Select the lowest voltage available when using those modes.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
83dc42271f mmc: Retry some MMC cmds on failure
With certain SD cards like Kingston 8GB/16GB UHS card, it is seen that
MMC_CMD_ALL_SEND_CID cmd fails on first attempt, but succeeds
subsequently. Therefore, retry MMC_CMD_ALL_SEND_CID cmd a few time
as done in Linux kernel.
Similarly, it is seen that MMC_CMD_SET_BLOCKLEN may fail on first
attempt, therefore retry this cmd a few times as done in kernel.

To make it clear that those are optionnal workarounds, a new Kconfig
option 'MMC_QUIRKS' is added (enabled by default).

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
01298da31d mmc: Change mode when switching to a boot partition
Boot partitions do not support HS200. Changing to a lower performance mode
is required to access them.
mmc_select_mode_and_width() and sd_select_mode_and_width() are modified to
make it easier to call them outside of the initialization context.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
04a2ea248f mmc: disable UHS modes if Vcc cannot be switched on and off
If a power cycle cannot be done on Vcc, it is safer not to try the UHS
modes because we wouldn't be able to recover from an error occurring
during the UHS initialization.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
c10b85d6c2 mmc: Add support for UHS modes
Add UHS modes to the list of supported modes, get the UHS capabilites of
the SDcard and implement the procedure to switch the voltage (UHS modes
use 1v8 IO lines)
During the voltage switch procedure, DAT0 is used by the card to signal
when it's ready. The optional card_busy() callback can be used to get this
information from the host driver.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
634d484940 mmc: add HS200 support in MMC core
Add HS200 to the list of supported modes and introduce tuning in the MMC
startup process.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
ec841209a7 mmc: Add a execute_tuning() callback to the mmc operations.
Tuning is a mandatory step in the initialization of SDR104 and HS200 modes.
This callback execute the tuning process.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
2e7410d76a mmc: disable the mmc clock during power off
There is no point in having the mmc clock enabled during
power off. Disable the mmc clock. This is similar to how it's
programmed in Linux Kernel.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
35f6782055 mmc: add a new mmc parameter to disable mmc clock
mmc clock has to be disabled in certain cases like during
the voltage switch sequence. Modify mmc_set_clock function
to take disable as an argument that signifies if the
clock has to be enabled or disabled.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
fb7c3beb51 mmc: add power cyle support in mmc core
mmc/sd specification requires vdd to be disabled for 1 ms
and then enabled again during power cycle. Add a
function in mmc core to perform power cycle and set
the io signal to it's initial state.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
318a7a576b mmc: Add a new callback function to perform the 74 clocks cycle sequence
Add a new callback function *send_init_stream* which start a sequence of
at least 74 clock cycles.
The mmc core uses *mmc_send_init_stream* in order to invoke the callback
function. This will be used during power cycle where the specification
requires such a sequence after power up.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
aff5d3c83f mmc: Enable signal voltage to be selected from mmc core
Add a new function *mmc_set_signal_voltage* in mmc core
which can be used during mmc initialization to select the
signal voltage. Platform driver should use the set_ios
callback function to select the signal voltage.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:04 +09:00
Kishon Vijay Abraham I
2a4d212f71 mmc: make mmc_set_ios() return status
set_ios callback has a return value of 'int' but the mmc_set_ios()
function ignore this. Modify mmc_set_ios() and the callers of mmc_set_ios() to
to return the error status.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
3862b85474 mmc: refactor MMC startup to make it easier to support new modes
The MMC startup process currently handles 4 modes. To make it easier to
add support for more modes, let's make the process more generic and use a
list of the modes to try.
The major functional change is that when a mode fails we try the next one.
Not all modes are tried, only those supported by the card and the host.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
d0c221fe73 mmc: refactor SD startup to make it easier to support new modes
The SDcard startup process currently handles only 2 modes. To make it
easier to add support for more modes, let's make the process more generic
and use a list of the modes to try.
The major functional change is that when a mode fails we try the next one.
Not all modes are tried, only those supported by the card and the host.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
7a96ec7459 cmd: mmc: display the mode name and current bus speed in the mmc info
Display the mode name when the user execute 'mmc info'. Also instead of
displaying tran_speed, display the actual bus speed.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
05038576e0 mmc: use mmc modes to select the correct bus speed
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:04 +09:00
Jean-Jacques Hiblot
4c9d2aaa7e mmc: Add a function to dump the mmc capabilities
This adds a simple helper function to display information (bus width and
mode) based on a capability mask. Useful for debug.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:03 +09:00
Jean-Jacques Hiblot
35f9e196f9 mmc: introduce mmc modes
no functionnal changes.
In order to add the support for the high speed SD and MMC modes, it is
useful to track this information.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:03 +09:00
Jean-Jacques Hiblot
7382e691ca mmc: add a function to read and test the ext csd (mmc >= 4)
This will be reused later in the selection of high speed and ddr modes.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:03 +09:00
Jean-Jacques Hiblot
dfda9d88e5 mmc: make ext_csd part of struct mmc
The ext csd is used for comparison many times. Keep a reference content
of the ext csd in the struct mmc to avoid reading multiple times

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:03 +09:00
Jean-Jacques Hiblot
c744b6f6dc mmc: move the MMC startup for version above v4.0 in a separate function
no functionnal change. This is only to further reduce the size o
mmc_startup().

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:03 +09:00
Jean-Jacques Hiblot
8ac8a26304 mmc: split mmc_startup()
No functionnal change here. The function is really big and can be split.
The part related to bus configuration are put in 2 separate functions: one
for MMC and one for SD.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-01-12 18:11:03 +09:00
Jean-Jacques Hiblot
06ec045fee mmc: dm: get the IO-line and main voltage regulators from the dts
Get a reference to the regulator devices from the dts and store them
in the struct mmc for later use.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
2018-01-12 18:11:03 +09:00
Heinrich Schuchardt
bb7b4ef370 mmc: sdhci: do not compare pointer to 0
data is defined as struct mmc_data *data.
So it should not be compared to 0.

Problem identified with Coccinelle.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2018-01-12 18:11:03 +09:00
Jorge Ramirez-Ortiz
713e6815d9 mmc: sdhci: don't clear SDHCI_INT_STATUS register during CMD_INHIBIT
Fixes emmc initialization regression on the db410c platform.

Clearing this register while SDHCI_PRESENT_STATE reports
SDHCI_CMD_INHIBIT leads to undefined behaviour on the db410c.

When commit 7dde50 was merged (mmc: sdhci: Wait for SDHCI_INT_DATA_END
when transferring), SDHCI transfers transitioned to wait for bit
SDHCI_INT_DATA_END before flagging transfers done.

Without this patch, the db410 platform fails to initialize its eMMC
due to all of its transfers timing out (SDHCI_INT_DATA_END is never
raised after all the blocks have been transferred).

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
2018-01-12 18:11:03 +09:00
Felix Brack
339d578900 mmc: sanitize includes for DM i2c
This patch fixes some warnings when building boards that do not define
DM_I2C_COMPAT i.e. boards that entirely rely on the new i2c layer.
Signed-off-by: Felix Brack <fb@ltec.ch>
2018-01-12 18:11:03 +09:00
Suniel Mahesh
0e1746acac drivers: mmc: Avoid memory leak in case of failure
priv pointer should be freed before returning with an error value
from exynos_dwmci_get_config().

Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
Signed-off-by: Raghu Bharadwaj <raghu@techveda.org>
2018-01-12 18:11:03 +09:00
Suniel Mahesh
18e7c8f6aa drivers: mmc: Change buffer type in ALLOC_CACHE_ALIGN_BUFFER macro
__be32_to_cpu() accepts argument of type __be32. This patch changes
type of the buffer in ALLOC_CACHE_ALIGN_BUFFER macro to __be32, which
is then passed to __be32_to_cpu().
This prevents sparse build warnings.
drivers/mmc/mmc.c: warning: cast to restricted __be32

Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
Signed-off-by: Karthik Tummala <karthik@techveda.org>
2018-01-12 18:11:03 +09:00
Tom Rini
373b900341 Merge git://git.denx.de/u-boot-sunxi 2018-01-11 14:14:19 -05:00
Jagan Teki
00425e63f6 configs: sun50i: Enable eMMC on a64-olinuxino
a64-olinuxino has 8GiB eMMC, enable it.

Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2018-01-12 00:28:29 +05:30
Tom Rini
1a62f8597c Merge git://git.denx.de/u-boot-video 2018-01-11 13:43:36 -05:00
Tom Rini
6bf634223a Merge git://git.denx.de/u-boot-fsl-qoriq 2018-01-11 11:18:49 -05:00
Tom Rini
2ff1da9453 Merge git://git.denx.de/u-boot-socfpga 2018-01-11 11:18:41 -05:00
Tom Rini
e38c66edae Merge git://git.denx.de/u-boot-usb 2018-01-11 11:18:29 -05:00
Hannes Schmelzer
193f6fb9e8 board/BuR: drop LCDC clock manipulation from board code
The clock selection is done now from the am335x-fb code, so there is no
more need doing this in the board code.

Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
2018-01-11 15:20:30 +01:00
Hannes Schmelzer
0fcec57752 board/BuR: provide real clock-frequency instead a divider
Actual am335x-fb implementation takes now a real clock frequency instead
a divider. So this component doesn't need to know anymore some base
frequency of the LCDC, we simply provide the pixel-clock frequency.

Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
2018-01-11 15:19:51 +01:00
Hannes Schmelzer
8a094f508c am335x-fb: setup display PLL
The LCDC IP-core an be feed from several clock sources, one of those is
a dedicated DPLL for generating a dividable base-clock for this IP-core.

The TRM specifies the maximum input frequency for the LCCD with 200 MHz,
so we must not exceed this value with the PLL frequency (which can lock
much higher).

This patch tries every combination of multipliers and divisors of the
PLL and the IP-core itself for getting as near as possible the the
requested panel->pxl_clk.

Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
2018-01-11 15:19:12 +01:00
Hannes Schmelzer
0d8a7d6fa8 am335x-fb: cosmetic: fix coding style
Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
2018-01-11 15:18:28 +01:00
Hannes Schmelzer
e880a5e219 am335x-fb: cosmetic: update-copyright
Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
2018-01-11 15:17:09 +01:00
Hannes Schmelzer
3215192922 mach-omap2: add AM335x Display PLL register definition
Adds the register definition of the Display DPLL

Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
2018-01-11 15:16:34 +01:00