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With the introduction of the new spi-mem model operations changed
slightly. The new spi-mem operations make things a bit easier to
handle for ich-spi flash interface. This patch converts the ich-spi
driver by using spi-mem operations.
Signed-off-by: Bernhard Messerklinger <bernhard.messerklinger@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested on Intel CrownBay and MinnowMax
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: fix compiler warnings when building the driver for 64-bit]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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https://gitlab.denx.de/u-boot/custodians/u-boot-imx
u-boot-imx-20190719
- CCF for i.MX6
- nandbcb command to write SPL into NAND
- Switch to DM (i.MX28)
- Boards: Toradex, engicam, DH
- Fixes for i.MX8
- Fixes for i.MX7ULP
Travis: https://travis-ci.org/sbabic/u-boot-imx/builds/561147504
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- fix for fsl_qspi read timeout (Thomas)
- spi-mem read data size fix (Ye Li)
- SiFive SPI driver, mmc_spi flags (Bhargav, Anup)
- Micron spi-nor parts (Ashish)
- MT7629 spi-mem driver(Weijie)
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Since u-boot has added the spi-mem framework and replaced
the spi-nor framework, the mtk_qspi is no longer compatible
with the new spi-nor driver.
Remove this driver along with replacing config item
with new mtk spi-nor driver.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
[jagan: squash related changes and update commit message]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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This patch adds spi-mem driver for MediaTek MT7629 SoC
to access SPI-NOR and SPI-NAND flashes.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
[jagan: squash MAINTAINERS file]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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"st,stm32-qspi" is no more used, remove it.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
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This patch converts mxs_spi driver to support DM/DTS.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
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This patch adds SiFive SPI driver. The driver is 100% DM driver
and it determines input clock using clk framework.
The SiFive SPI block is found on SiFive FU540 SOC and is used to
access flash and MMC devices on SiFive Unleashed board.
This driver implementation is inspired from the Linux SiFive SPI
driver available in Linux-5.2 or higher and SiFive FSBL sources.
Signed-off-by: Bhargav Shah <bhargavshah1988@gmail.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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Use readl_poll_timeout instead of explicit calculation
Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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During QSPI reads, current is_controller_busy function sporadically
fails with -ETIMEDOUT due to fixed number of 5 test loops. Using
timer functions to wait 1000 us instead will fix this.
Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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When slave drivers don't set the max_read_size, the spi-mem should directly
use data.nbytes and not limit to any size. But current logic will limit to
the max_write_size.
Signed-off-by: Ye Li <ye.li@nxp.com>
Acked-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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https://gitlab.denx.de/u-boot/custodians/u-boot-stm
- syscon: add support for power off
- stm32mp1: add op-tee config
- stm32mp1: add specific commands: stboard and stm32key
- add stm32 mailbox driver
- solve many stm32 warnings when building with W=1
- update stm32 gpio driver
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This patch solves the following warnings:
drivers/spi/stm32_spi.c: In function 'stm32_spi_write_txfifo':
drivers/spi/stm32_spi.c:116:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (priv->tx_len >= sizeof(u32) &&
^~
drivers/spi/stm32_spi.c:122:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
} else if (priv->tx_len >= sizeof(u16) &&
^~
drivers/spi/stm32_spi.c: In function 'stm32_spi_read_rxfifo':
drivers/spi/stm32_spi.c:150:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
(priv->rx_len >= sizeof(u32) || (sr & SPI_SR_RXWNE))) {
^~
drivers/spi/stm32_spi.c:156:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
(priv->rx_len >= sizeof(u16) ||
^~
drivers/core/simple-bus.c:15:12: warning: no previous prototype for 'simple_bus_translate' [-Wmissing-prototypes]
fdt_addr_t simple_bus_translate(struct udevice *dev, fdt_addr_t addr)
^~~~~~~~~~~~~~~~~~~~
drivers/spi/stm32_spi.c: In function 'stm32_spi_set_speed':
drivers/spi/stm32_spi.c:335:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
div > STM32_MBR_DIV_MAX)
^
drivers/spi/stm32_spi.c:344:19: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
if ((mbrdiv - 1) < 0)
^
drivers/spi/stm32_spi.c: In function 'stm32_spi_probe':
drivers/spi/stm32_spi.c:531:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < ARRAY_SIZE(priv->cs_gpios); i++) {
^
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
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This patch solves warnings detected by setting W=1 when building.
Warnings type detected:
- [-Wtype-limits]
- [-Wsign-compare]
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
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https://gitlab.denx.de/u-boot/custodians/u-boot-dm
- Sandbox improvements including .dts refactor
- Minor tracing and PCI improvements
- Various other minor fixes
- Conversion of patman, dtoc and binman to support Python 3
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- SPL SATA enhancements to allow booting from RAW SATA device
needed for Clearfog (Baruch)
- Enable SATA booting on Clearfog (Baruch)
- Misc changes to Turris Omnia (Marek)
- Enable CMD_BOOTZ and increase SYS_BOOTM_LEN on crs305-1g-4s
(Luka)
- Enable FIT support for db-xc3-24g4xg (Chris)
- Enable DM_SPI on Keymile Kirkwood board with necessary changes
for this (Pascal)
- Set 38x and 39x AVS on lower frequency (Baruch)
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KM Kirkwood boards now implement the driver model for its SPI flash
interface. Therefore, the old board specific claim and release functions
can be deleted. The preprocessor definition CONFIG_SYS_KW_SPI_MPP is yet
unused as well. All its appearances and dependencies are removed in the
kirkwood_spi driver, header files and finally the configuration whitelist.
Signed-off-by: Pascal Linder <pascal.linder@edu.hefr.ch>
Signed-off-by: Holger Brunck <holger.brunck@ch.abb.com>
Signed-off-by: Stefan Roese <sr@denx.de>
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The weak functions, known from the legacy code, are added to the DM part
as well. For this purpose, the release operation first needs to be
implemented. KM Kirkwood boards will overwrite those weak functions to
change the MPP configuration when claiming/releasing the bus, because the
hardware pins are shared between the SPI NOR and NAND devices.
Signed-off-by: Pascal Linder <pascal.linder@edu.hefr.ch>
Signed-off-by: Holger Brunck <holger.brunck@ch.abb.com>
Signed-off-by: Stefan Roese <sr@denx.de>
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In general we should avoid calling malloc() and free() repeatedly in
U-Boot lest we turn it into tianocore. In SPL this can make SPI flash
unusable since free() is often a nop and allocation space is limited.
In any case, these seems no need for malloc() since the number of bytes
is very small, perhaps less than 8.
Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes: d13f5b254a (spi: Extend the core to ease integration of SPI
memory controllers)
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Since the SPI nor conversion, 'sf probe' does not work on sandbox. Fix
this by using the expected compatible string in the flash node.
Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes: cd35365762 (mtd: sf_probe: remove spi-flash compatible)
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Add SPI controller driver implemented in Socionext UniPhier SoCs.
This controller has the SPI master mode only.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
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Backport the driver from linux v5.1-rc5 and adapt it for u-boot.
Tested on sama5d2_xplained Rev B with mx25l25635e spi-nor flash.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
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- Drop zipitz2 board (Tom)
- Add DEPRECATED option (Tom)
- Mark legacy or non-dm drivers as DEPRECATED (Jagan)
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Mark LPC32XX_SSP as DEPRECATED, this so the resulting build shows
warning for deprecated configuration enabled and associated code
will remove in v2019.07 release.
Cc: Albert ARIBAUD <albert.aribaud@3adev.fr>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Sylvain Lemieux <slemieux@tycoint.com>
[trini: Switch to DEPRECATED]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Mark SOFT_SPI as DEPRECATED, this so the resulting build shows
warning for deprecated configuration enabled and associated code
will remove in v2019.07 release.
Cc: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
[trini: Switch to DEPRECATED]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Mark SH_SPI as DEPRECATED, this so the resulting build shows
warning for a deprecated configuration enabled and associated code
will remove in v2019.07 release.
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
[trini: Switch to DEPRECATED]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Mark MXS_SPI as DEPRECATED, this so the resulting build shows
warning for broken configuration enabled and associated code
will remove in v2019.07 release.
Cc: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
[trini: Switch to DEPRECATED]
Signed-off-by: Tom Rini <trini@konsulko.com>
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- Add Ethernet support for STM32MP1
- Add saveenv support for STM32MP1
- Add STM32MP1 Avenger96 board support
- Add SPI driver suport for STM32MP1
- Add watchdog support for STM32MP1
- Update power supply check via USB TYPE-C for STM32MP1 discovery board
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u-boot-imx-20190612
--------------------
- Board fixes:
- imx6logic
- wandboard
- mx6sabre boots again
- imx8qm_mek
- pico-* boards
- Toradex apalis / colibri
- engicam imx6 (environment)
- KP MX53
- opos6ul
- Switch to DM:
- vining2000
- dh MX6
- Toradex colibri i.MX7
- Novena
- Security : fix CSF size for HAB
- Other:
- imx: fix building for i.mx8 without spl
- pcie and switch to DM
mx6sabreauto: Enable SPL SDP support
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currently spi mxc driver can only handle cs 0.
Allow it to handle also cs > 0.
Signed-off-by: Heiko Schocher <hs@denx.de>
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in mxc_spi_probe() plat and mxcs pointer are created:
struct mxc_spi_slave *plat = bus->platdata;
struct mxc_spi_slave *mxcs = dev_get_platdata(bus);
which have the same value. Remove plat pointer.
Signed-off-by: Heiko Schocher <hs@denx.de>
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- mpc8xxx spi driver fixes (Mario)
- mpc8xxx spi dm conversion (Mario, Jagan)
- SPI DM Migration update (Jagan)
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Support DM in the MPC8xxx SPI driver, and remove the legacy SPI
interface.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
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The comment before the transmission loop in conjunction with the
definition of SPI_TIMEOUT as 1000 implies that the loop is supposed to
have a timeout value of 1000 ms. But since there is no mdelay(1) or
similar in the loop body, the loop just runs 1000 times, without regard
for the time elapsed.
To correct this, use the standard get_timer functionality to properly
time out the loop after 1000 ms.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Decreasing the bit length and increasing the write data pointer should
be done when there are more than 32 bit of data, not 16 bit.
This did not produce incorrect behavior, because the only time where the
two checks produce different outcomes is the case of 16 < bitlen < 32,
and in this case the subsequent transmission is the last one regardless,
hence the additional bit length decrease and write data pointer increase
has no effect anyway.
Still, the correct check is the check for "bitlen > 32", so correct this
behavior.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Minize the time the adapter is disabled (via SPI_MODE_EN
clearing/setting) to just the character length setting, and only set up
the temporary data writing variable right before we need it, so there is
a more clear distinction between setting up the SPI adapter, and setting
up the data to be written.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Instead of having a table right before the code implementing the length
setting for documentation, have inline comments for the if branches
actually implementing the length setting described table's entries
(which is readable thanks to the set_char_len function).
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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The variable "char_size" holds the number of bits to be transferred in
the current loop iteration. A better name would be "xfer_bitlen", which
we rename this variable to.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Introduce the to_prescale_mod and set_char_len inline functions to make
the code more readable.
Note that the added "if (bitlen > 16)" check does not change the
semantics of the current code, and hence only preserves the current
error (this will be fixed in a later patch in the series).
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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The transmission loop starts with setting some variables, which are only
used inside the loop. Reduce the scope to the loop to make the
declaration and initialization of these variables coincide.
In the case of char_size this also always initializes the variable
immediately with the final value actually used in the loop (instead of
the placeholder value 32).
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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We do nothing in the loop if the "not empty" event was not detected. To
simplify the logic, check if this is the case, and skip the execution of
the loop early to reduce the nesting level and flag checking.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Get rid of the is_read variable, and just keep the state of the "not
empty" and "not full" events in two boolean variables within the loop
body.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Instead of having a nested if block, just have two branches within the
overarching if block to eliminate one nesting level.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Accesses to the register map are currently done by directly reading and
writing the structure.
Switch to the appropriate IO accessors instead.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Replace pre-processor defines with proper enums, and use the BIT macro
where applicable.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Replace the function name with a "%s" format string and the __func__
variable in debug statements (as proposed by checkpatch).
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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Fix all "superfluous space after case" style errors.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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There are three variables that have camel-case names, which is not the
preferred naming style.
Give those variables more compliant names instead.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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There are some comments on the same line as the code they document. Put
comments above the code lines they document, so the line length is not
unnecessarily increased.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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The function signatures in the driver are quite long as is. Use short
type names (uint etc.) to make them more readable.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
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