When the reset signal is de-asserted, the HW-controlled bootstrap
starts running unless it is disabled in the SoC integration.
It issues some commands to detect a NAND chip, and sets up registers
automatically. Until this process finishes, software should avoid
any register access.
Without this delay function, some of UniPhier boards hangs up while
executing nand_scan_ident(). (denali_read_byte() is blocked)
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The Denali NAND driver in mainline Linux currently cannot deassert the
reset. The upcoming Linux 5.6 will support the reset controlling, and
also set up SPARE_AREA_SKIP_BYTES correctly. So, the Denali driver in
the future kernel will work without relying on any bootloader or firmware.
However, we still need to take care of stable kernel versions for a while.
U-boot should not assert the reset of this controller.
Fixes: ed784ac382 ("mtd: rawnand: denali: add reset handling")
Signed-off-by: Marek Vasut <marex@denx.de>
[yamada.masahiro: reword the commit description]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The "nand_x" and "ecc" clocks are currently optional. Make the core
clock optional in the same way. This will allow platforms with no clock
driver support to use this driver.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Marek Vasut <marex@denx.de> # On SoCFPGA Arria V
On Altera SoCFPGA, upon either cold-boot or power-on reset, the
Denali NAND IP is initialized by the BootROM ; upon warm-reset,
the Denali NAND IP is NOT initialized by BootROM. In fact, upon
warm-reset, the SoCFPGA BootROM checks whether the SPL image in
on-chip RAM is valid and if so, completely skips re-loading the
SPL from the boot media.
This does sometimes lead to problems where the software left
the boot media in inconsistent state before warm-reset, and
because the BootROM does not reset the boot media, the boot
media is left in this inconsistent state, often until another
component attempts to access the boot media and fails with an
difficult to debug failure. To mitigate this problem, the SPL
on Altera SoCFPGA always resets all the IPs on the SoC early
on boot.
This results in a couple of register values, pre-programmed by
the BootROM, to be lost during this reset. To restore correct
operation of the IP on SoCFPGA, these values must be programmed
back into the controller by the driver. Note that on other SoCs
which do not use the HW-controlled bootstrap, more registers
may have to be programmed.
This also aligns the SPL behavior with the full Denali NAND
driver, which sets these values in denali_hw_init().
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Since commit e1910d93b8 ("doc: driver-model: Convert MIGRATION.txt to
reST") MIGRATION.txt has been converted to migration.rst, so update
the Makefile references accordingly.
Fixes: e1910d93b8 ("doc: driver-model: Convert MIGRATION.txt to reST")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
In upstream libfdt, 6dcb8ba4 "libfdt: Add helpers for accessing
unaligned words" introduced changes to support unaligned reads for ARM
platforms and 11738cf01f15 "libfdt: Don't use memcpy to handle unaligned
reads on ARM" improved the performance of these helpers.
In practice however, this only occurs when the user has forced the
device tree to be placed in memory in a non-aligned way, which in turn
violates both our rules and the Linux Kernel rules for how things must
reside in memory to function.
This "in practice" part is important as handling these other cases adds
visible (1 second or more) delay to boot in what would be considered the
fast path of the code.
Cc: Patrice CHOTARD <patrice.chotard@st.com>
Cc: Patrick DELAUNAY <patrick.delaunay@st.com>
Link: https://www.spinics.net/lists/devicetree-compiler/msg02972.html
Signed-off-by: Tom Rini <trini@konsulko.com>
Tested-by: Patrice Chotard <patrice.chotard@st.com>
Coreutils command nproc can be used on Linux and BSD to count the number of
available CPU cores. Use this instead of relying on the parsing of the
Linux specific proc file system.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
As hinted by GCC 9, there is a return statement that returns
an uninitialized variable in optee_copy_firmware_node().
This patch addresses this.
Signed-off-by: Christoph Müllner <christoph.muellner@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
This removes the arch-specific checks for "checkcpu" function from the init
sequence. Make "checkcpu" generic and provide a weak nop stub instead.
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
New analysis by the tool has shown that we have some cases where we
weren't handling the error exit condition correctly. When we ran into
the ENOMEM case we wouldn't exit the function and thus incorrect things
could happen. Rework the unwinding such that we don't need a helper
function now and free what we may have allocated.
Fixes: 18030d04d2 ("GPT: fix memory leaks identified by Coverity")
Reported-by: Coverity (CID: 275475, 275476)
Cc: Alison Chaiken <alison@she-devel.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Jordy <jordy@simplyhacker.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
This enables readning the cpuid from e-fuse, and deriving a static
MAC address from it.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Add alias for mmc/sdmmc so that we can have a fix mmc number for emmc.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Rockchip use CONFIG_SPL_OPTEE for OPTEE support, which is load and run
before U-Boot, but not use CONFIG_OPTEE which is after U-Boot.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Add rk3328-sdram-ddr4-666.dtsi for support ddr4 init.
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
No need to do twice data training for rk3328 ddr sdram, we re-use the
setting for both channel. And adjust the sdram_init properly for correct
init flow.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Rockchip has documentation file, doc/README.rockchip but
which is not so readable to add or understand the existing
contents. Even the format that support is legacy readme
in U-Boot.
Add rockchip specific documentation file using new rst
format, which describes the information about Rockchip
supported boards and it's usage steps.
Added minimal information about rk3288, rk3328, rk3368
and rk3399 boards and usage. This would indeed updated
further based on the requirements and updates.
Cc: Kever Yang <kever.yang@rock-chips.com>
Cc: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
All rockchip platforms support TPL or SPL-based bootloader
in mainline with U-Boot proper as final stage. For each
stage we need to burn the image on to flash with respective
offsets.
This patch creates a single boot image component using
- binman, for arm32 rockchip platforms
- pad_cat, for arm64 rockchip platforms.
This would help users to get rid of burning different
boot stage images.
The new image called 'u-boot-rockchip.bin'
which can burn into flash like:
₹ sudo dd if=u-boot-rockchip.bin of=/dev/sda seek=64
This would support all rockchip platforms, except rk3128
since it doesn't support for SPL yet.
Cc: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Cc: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Add U-Boot specific dtsi file for rk3188 SoC. This
would help to add U-Boot specific dts nodes, properties
which are common across rk3188.
Right now, the file is empty, will add required changes
in future patches.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Add U-Boot specific dtsi file for rk3036 SoC. This
would help to add U-Boot specific dts nodes, properties
which are common across rk3036.
Right now, the file is empty, will add required changes
in future patches.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Add SPL-alone mkimage tooling support via Makefile for
few platforms or boards used in rockchip family.
With this users would get rid of explicitly creating
mkimage tool for rockchip rksd or rkspi boot modes.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Most of the platforms uses the platform type on their boot
stage image naming conventions in makefile like,
u-boot-x86-start16-tpl.bin - x86 start16 TPL bin
u-boot-spl-mtk.bin - Mediatek SPL bin
This would help to understand the users to what that
particular image belongs to? and less confused.
On that note, suffix platform type rockchip for existing
u-boot-tpl.img so now it become u-boot-tpl-rockchip.bin
Also, bin is more conventional way to include it on tools
like binman, pad_cat etc in future patches.
Note: usage of platform type doesn't follow consistent order
as of now.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Add rockchip image type support. right now the image
type marked with rksd, So create image type variable
with required image type like rksd or rkspi.
Cc: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Add bootcount support for Rockchip rk3399.
The bootcount value is preserved in PMU_SYS_REG0 register,
this would help to support redundent boot.
Once the redundant boot triggers, the altboot command
will look for extlinux-rollback.conf on particular
bootable partition which supposed to be a recovery
partition where redundant boot required.
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add cpu reset cause in common cpu-info file.
This would help to print the reset cause for
various resets.
Right now it support rk3288, rk3399. rest of rockchip
platforms doesn't have reset cause support ye but this
code is more feasible to extend the same.
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Few of the rockchip family SoC atleast rk3288,
rk3399 are sharing some cru register bits so
adding common code between these SoC families
would require to include both cru include files
that indeed resulting function declarations error.
So, create a common cru include as cru.h then
include the rk3399 arch cru include file and move
the common cru register bit definitions into it.
The rest of rockchip cru files will add it in future.
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
RK3288, RK3399 are now support cpu-info, so enable
DISPLAY_CPUINFO by default.
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add cpu information for rockchip soc.
This would help to print the SoC family number, with
associated temparature, clock and reason for reset etc.
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Enable winbond SPI flash for ROC-PC-RK3399 board.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Enable winbond SPI flash for ROC-PC-RK3399 board.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Sync the ROC-RK3399-PC device tree changes from Linux
with below commit details:
commit <c36308abe4110e4db362d5e2ae3797834a7b1192> ("arm64: dts:
rockchip: Enable MTD Flash on rk3399-roc-pc")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Most of the SPI flash devices in rockchip are 16MiB size.
So, keeping U-Boot proper offset start from 128MiB with 1MiB
size and then start env of 8KiB would be a compatible location
between all variants of flash sizes.
This patch add env start from 0x14000 with a size of 8KiB.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Rockchip do support SPI flash as well, so there is
a possibility of using flash environment for those
use cases.
So, restrict the current env offset, size for MMC.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
rk3399 do support SPI flash as well, so there is
a possibility of using flash environment for those
usecases.
So define env device for MMC only when it is used
by specific configuration.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
In the RK3399 DRAM driver, the function set_ds_odt() supports operating
in two different modes, selected by the ctl_phy_reg argument: when true,
the function reads and writes directly from the DRAM registers, accessed
through "chan->pctl->denali_*"; when false, the function reads and
writes from an array, accessed through "params->pctl_regs.denali_*",
which is written to DRAM registers at a later time.
However, phy_config_io(), which is called by set_ds_odt() to do a subset
of its register operations, operates directly on DRAM registers at all
times. This means that it reads incorrect values (and writes new values
prematurely) when ctl_phy_reg in set_ds_odt() is false. Fix this by
passing in the address of the registers to work with.
This prevents an "Invalid DRV value" error in the SPL debug log and
(presumably) results in a more correct end state. See the following logs
from a RK3399 NanoPi M4 board (4GB LPDDR3):
Before:
sdram_init() Starting SDRAM initialization...
phy_io_config() Invalid DRV value.
phy_io_config() Invalid DRV value.
sdram_init() sdram_init: data trained for rank 2, ch 0
phy_io_config() Invalid DRV value.
phy_io_config() Invalid DRV value.
sdram_init() sdram_init: data trained for rank 2, ch 1
Channel 0: LPDDR3, 933MHz
BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Size=2048MB
Channel 1: LPDDR3, 933MHz
BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Size=2048MB
256B stride
256B stride
sdram_init() Finish SDRAM initialization...
After:
sdram_init() Starting SDRAM initialization...
sdram_init() sdram_init: data trained for rank 2, ch 0
sdram_init() sdram_init: data trained for rank 2, ch 1
Channel 0: LPDDR3, 933MHz
BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Size=2048MB
Channel 1: LPDDR3, 933MHz
BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Size=2048MB
256B stride
256B stride
sdram_init() Finish SDRAM initialization...
Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
The Raspberry Pi 4 SoC features an integrated Gigabit Ethernet
controller, connected as a platform device.
Enable the new driver in the three applicable defconfigs, to allow
TFTP booting on the board.
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
[Andre: Add joined and 32-bit configs]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Some of the devices(for instance, pcie and gnet controller) sitting on
SCB bus falls behind/below the memory range that we currenty have.
This patch updates the memory range to map those devices correctly.
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
The Broadcom GENET Ethernet MACs are used in several MIPS based SoCs
and in the Broadcom 2711/2838 SoC used on the Raspberry Pi 4.
There is no publicly available documentation, so this driver is based
on the Linux driver. Compared to that the queue management is
drastically simplified, also we only support version 5 of the IP and
RGMII connections between MAC and PHY, as used on the RPi4.
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
[Andre: heavy cleanup and a few fixes]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Enable support for DFU over USB. This requires to enable USB gadget,
DWC2 UDC OTG driver and DFU command. DFU entities are defined for the
following firmware objects: u-boot.bin, uboot.env, config.txt, and
zImage/Image.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Broadcom 2835 SoC requires special conversion of physical memory addresses
for DMA purpose, so add needed wrappers to dwc2_udc_otg driver. Also extend
the list of compatible devices with 'brcm,bcm2835-usb' entry. This allows
to use USB gadget drivers (i.e. DFU) on Raspberry Pi4 boards.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Add support for operations on files larger than
CONFIG_SYS_DFU_MAX_FILE_SIZE. The buffered io mechanism is still used for
aggregating io requests, so for files up to CONFIG_SYS_DFU_MAX_FILE_SIZE
nothing is changed and they will be handled in a single filesystem call.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Rename functions for bufferred file io operations to make them easier to
understand. Also add missing file offset argument to them (currently
unused). All this is a preparation to remove predefined file size limit
(CONFIG_SYS_DFU_MAX_FILE_SIZE) for DFU read/write operations.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
i2c changes for 2020.04
- updates the Designware I2C driver
- get timings from device tree
- handle units in nanoseconds
- make sure that the requested bus speed is not exceeded
- few smaller clean-ups
- adds enums for i2c speed and update drivers which use them
- global_data: remove unused mxc_i2c specific field
