Move dcu-related code to fsl_dcu_probe_common, keep in video_hw_init()
only legacy video stack (filling GraphicPanel struct etc.).
Add wrappers for all init functions, that will let to provide
struct fb_info as an additional param (needed for further moving it from
the global scope to driver private data struct in DM converted driver).
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
ttyO2 console enables legacy CONFIG_SERIAL_OMAP driver in kernel.
Nowadays it's preferred to use the generic CONFIG_SERIAL_8250_OMAP
driver, which being enabled via ttyS2 console. Both drivers are enabled
in multi_v7_defconfig and in omap2plus_defconfig, for compatibility
reasons. Let's switch to ttyS2 console, to be sure that standard 8250
serial driver is used.
Similar behavior can be also achieved by enabling
CONFIG_SERIAL_8250_OMAP_TTYO_FIXUP option in kernel, but it's better not
to rely on that, as it can be disabled or removed after transitional
period.
Right now on DRA7/AM57x platforms the 8250-omap driver is being probed
first, and omap-serial driver is only probed if the first one failed.
It can be seen from uart3 definition in arch/arm/boot/dts/dra7-l4.dtsi:
compatible = "ti,dra742-uart", "ti,omap4-uart";
So the kernel already uses 8250 driver. This change basically allows
kernel developers to throw away the omap-serial driver and associated
compatibility options. Similar discussions [1,2] have started several
years ago, so it should be safe to do that now.
[1] https://patchwork.kernel.org/patch/6198471/
[2] http://processors.wiki.ti.com/index.php/Sitara_Linux_UART_-_Switching_to_8250_Driver
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Andrew F. Davis <afd@ti.com>
[trini: Update omap5_uevm]
Signed-off-by: Tom Rini <trini@konsulko.com>
linux-mainline with multi_v7_defconfig + Android configs takes more
space than regular TI Android kernel and bootm will fail to load it.
Let's increase max kernel size up to 64 MiB to make it possible to run
such kernel.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
The DA8850-evm supports DM_I2C and boots with SPL_DM, so we can
drop some of the code which disables DM_I2C in SPL. This
patch removes some #undef's now rendered obsolete.
Signed-off-by: Adam Ford <aford173@gmail.com>
The SOM-LV and Torpedo boards are very similar, but something
happened growing SPL enough to break the Torpedo. The SOM-LV
board were not doing alias sequencing during SPL and they
continue to work while something broke the Torpedo. This
patch disables SPL_DM_SEQ_ALIAS allowing it to boot again.
Signed-off-by: Adam Ford <aford173@gmail.com>
OHCI was added with DM_USB support, so there are a few unneeded
items in the header file that can be removed. This also
unifies da850evm with NOR and NAND booting options so all have
OHCI support.
Signed-off-by: Adam Ford <aford173@gmail.com>
[trini: Migrate da850_am18xxevm]
Signed-off-by: Tom Rini <trini@konsulko.com>
This patch enables the pinmuxing to support gpio_57 for phy reset
and fixes the pinmuxing for the ECHI tranceiver. The clocks
don't appear to by fully enabled yet, so OMAP-EHCI on am3517 is
still not yet working, but we're one step closer.
Signed-off-by: Adam Ford <aford173@gmail.com>
The OMAP35 and AM/DM37 Torpedo boards do not have a USB
tranceiver connected to the USB host port, so this patch
removes it from the defconfig files.
Signed-off-by: Adam Ford <aford173@gmail.com>
The SOM-LV boards support the OMAP EHCI driver using port 2.
With the driver updated to support device tree, this patch sets
the corresponding pin muxing for the tranceiver as well as the
reset pin.
Signed-off-by: Adam Ford <aford173@gmail.com>
With both SPL and U-Boot now supporting DM, we can start removing
legacy code. This patch removes the legacy MMC initalization and
legacy I2C initialization since both are now available via DM and
device tree.
Signed-off-by: Adam Ford <aford173@gmail.com>
Like the other Logic PD OMAP35/DM37 boards, this board has device
tree enabled for U-Boot. This patch converts the board to enable
SPL_OF_CONTROL and further shrinks the device tree in SPL to limit
it to UART3 (console), MMC1, i2c1, and GPIO4 (for mmc1 CD and WP).
There appears to be a bug in minicom so users may need to
switch the minicom terminal emulation to ANSI from VT102 due
to the junk that gets pushed out of the UART on startup.
Signed-off-by: Adam Ford <aford173@gmail.com>
arch_cpu_init() initializes the pinmuxing which is called fairly
early in the start sequences, so the board_init function doesn't
need to do it again. This patch removes the call from board_init.
Signed-off-by: Adam Ford <aford173@gmail.com>
The Low Level init functions start the UART, so it doesn't need
to happen during board_init. This patch removes it from
board_init.
Signed-off-by: Adam Ford <aford173@gmail.com>
The reset line going to the ethernet controller is controlled
by a global reset controlling multiple peripherals. There
is no need to manually invoke the reset.
Signed-off-by: Adam Ford <aford173@gmail.com>
The PBIAS regulator is available on OMAP3's, and it's shared on
the AM35, so this patch enables that in U-Boot along with GPIO
based regulators.
Signed-off-by: Adam Ford <aford173@gmail.com>
Update the MMC2_HS200_MANUAL1 iodelay values to match with the latest
dra76x data manual[1].
Also this particular pinctrl-array is using spaces instead of tabs for
spacing between the values and the comments. Fix this as well.
[1] http://www.ti.com/lit/ds/symlink/dra76p.pdf
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
If UHS speed modes are enabled, a compatible SD card switches down to 1.8V
during enumeration. If after this a software reboot/crash takes place and
on-chip ROM tries to enumerate the SD card, the difference in
IO voltages (host @ 3.3V and card @ 1.8V) may end up damaging the card.
The fix for this is to have support for power cycling the card in
hardware (with a PORz/soft-reset line causing a power cycle of the card).
Because the beaglebone X15 (rev A,B and C), am57xx-evms and am57xx-idks don't
have this capability, disable voltage switching for these boards.
The major effect of this is that the maximum supported speed mode is now
high speed(50 MHz) down from SDR104(200 MHz).
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Sync with kernel dts by adding pinmuxes for mmc1 and mmc2. This fixes an
issue where mmc2 (eMMC) was coming up in HS52 mode instead of the
highest DDR52 mode.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
During a short period when the bus voltage is switched from 3.3v to 1.8v,
(to enumerate UHS mode), the mmc module is disabled and the mmc IO lines
are kept in a state according to the programmed pad mux pull type.
According to 4.2.4.2 Timing to Switch Signal Voltage in "SD Specifications
Part 1 Physical Layer Specification Version 5.00 February 22, 2016", the
host should hold CLK low for at least 5ms.
In order to keep the card line low during voltage switch, the pad mux of
mmc1_clk line should be configured to pull down.
Add a new pinctrl group for clock line without pullup to be used in boards
where mmc1_clk line is not connected to an external pullup.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Add initial defconfig support for J721e that runs on A72.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[trini: Add MAINTAINERS entry]
Signed-off-by: Tom Rini <trini@konsulko.com>
Add initial defconfig support for J721e that runs on R5.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[trini: Add MAINTAINERS file]
Signed-off-by: Tom Rini <trini@konsulko.com>
Common Processor board is the baseboard that has most of the actual connectors,
power supply etc. A SOM (System on Module) is plugged on to the common
processor board and this contains the SoC, PMIC, DDR and basic highspeed
components necessary for functionality. Add initial dt support for this
common processor board.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Add pinctrl macros for J721E SoC. These macro definitions are
similar to that of AM6, but adding new definitions to avoid
any naming confusions in the soc dts files.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
The j721e 4 bit instances don't have a hard DLL and therefore don't need
any DLL related configurations. Split the compatibles into an 8 bit and a
4 bit one. Add a private flags field which can be used to check if the
DLL is present and don't register the set_ios_post callback for the 4 bit
compatible instances.
Also update the compatibles in k3-j721e-main.dtsi to avoid breaking boot
with the new compatibles.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Create a ft_board_setup() api that gets called as part of
DT fixup before jumping to kernel. In this ft_board_setup()
call fdt_fixup_msmc_ram that update msmc sram node.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
The A72 U-Boot code loads and boots a number of remote processors
including the C71x DSP, both the C66_0 and C66_1 DSPs, and the various
Main R5FSS Cores. Change the memory attributes for the DDR regions used
by the remote processors so that the cores can see and execute the
proper code.
A separate table based on the current AM65x table is added for J721E SoCs,
since the number of remote processors and their DDR usage will be different
between the two SoC families.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Use the System Firmware (SYSFW) loader framework to load and start
the SYSFW as part of the J721E early initialization sequence. While
at it also initialize the MCU_UART0 pinmux as it is used by SYSFW
to print diagnostic messages.
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Populate the release_resources_for_core_shutdown() api with
shutting down r5 cores so that it will by called just after
jumping to ATF.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Obtain the boot index as left behind by the device boot ROM and store
it in scratch pad SRAM for later use before it may get overwritten.
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
To access various control MMR functionality the registers need to
be unlocked. Do that for all control MMR regions in the MCU and MAIN
domains. We may want to go back later and limit the unlocking that's
being done.
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
J721E allows for booting from primary or backup boot media.
Both media can be chosen individually based on switch settings.
ROM looks for a valid image in primary boot media, if not found
then looks in backup boot media. In order to pass this boot media
information to boot loader, ROM stores a value at a particular
address. Add support for reading this information and determining
the boot media correctly.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
The J721E SoC belongs to the K3 Multicore SoC architecture platform,
providing advanced system integration to enable lower system costs
of automotive applications such as infotainment, cluster, premium
Audio, Gateway, industrial and a range of broad market applications.
This SoC is designed around reducing the system cost by eliminating
the need of an external system MCU and is targeted towards ASIL-B/C
certification/requirements in addition to allowing complex software
and system use-cases.
Some highlights of this SoC are:
* Dual Cortex-A72s in a single cluster, three clusters of lockstep
capable dual Cortex-R5F MCUs, Deep-learning Matrix Multiply Accelerator(MMA),
C7x floating point Vector DSP, Two C66x floating point DSPs.
* 3D GPU PowerVR Rogue 8XE GE8430
* Vision Processing Accelerator (VPAC) with image signal processor and Depth
and Motion Processing Accelerator (DMPAC)
* Two Gigabit Industrial Communication Subsystems (ICSSG), each with dual
PRUs and dual RTUs
* Two CSI2.0 4L RX plus one CSI2.0 4L TX, one eDP/DP, One DSI Tx, and
up to two DPI interfaces.
* Integrated Ethernet switch supporting up to a total of 8 external ports in
addition to legacy Ethernet switch of up to 2 ports.
* System MMU (SMMU) Version 3.0 and advanced virtualisation
capabilities.
* Upto 4 PCIe-GEN3 controllers, 2 USB3.0 Dual-role device subsystems,
16 MCANs, 12 McASP, eMMC and SD, UFS, OSPI/HyperBus memory controller, QSPI,
I3C and I2C, eCAP/eQEP, eHRPWM, MLB among other peripherals.
* Two hardware accelerator block containing AES/DES/SHA/MD5 called SA2UL
management.
* Configurable L3 Cache and IO-coherent architecture with high data throughput
capable distributed DMA architecture under NAVSS
* Centralized System Controller for Security, Power, and Resource
Management (DMSC)
See J721E Technical Reference Manual (SPRUIL1, May 2019)
for further details: http://www.ti.com/lit/pdf/spruil1
Add base support for J721E SoC
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
k3_rproc driver is specifically meant for controlling an arm64
core using TISCI protocol. So rename the driver, Kconfig symbol,
compatible and functions accordingly.
While at it drop this remoteproc selection for a53 defconfig.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Update the k3_rproc driver to use the generic ti_sci_proc helper
apis which simplifies the driver a bit.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Texas Instruments' K3 generation SoCs has specific modules/register
spaces used for configuring the various aspects of a remote processor.
These include power, reset, boot vector and other configuration features
specific to each compute processor present on the SoC. These registers
are managed by the System Controller such as DMSC on K3 AM65x SoCs.
The Texas Instrument's System Control Interface (TI-SCI) Message Protocol
is used to communicate to the System Controller from various compute
processors to invoke specific services provided by the firmware running
on the System Controller.
Add a common processor control interface header file that can be used by
multiple remoteproc drivers. The helper functions within this header file
abstract the various TI SCI protocol ops for the remoteproc drivers, and
allow them to request the System Controller to be able to program and
manage various remote processors on the SoC. The common macros required
by the R5 remoteproc driver were also added. The remoteproc drivers are
expected to manage the life-cycle of their ti_sci_proc_dev local
structures.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
'rproc list' is currently allowed only after probing all the
available remoteproc devices. Given that 'rproc init' is updated
to probe and initialize devices individually, allow the 'rproc list'
command to print all probed devices at any point.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
'rproc init' does the probe and initialization of all the available
remoteproc devices in the system. This doesn't allow the flexibility
to initialize the remote cores needed as per use case. In order
to provide flexibility, update 'rproc init' command to accept one
more parameter with rproc id which when passed initializes only
that specific core. If no id is passed, command will initializes
all the cores which is compatible with the existing behaviour.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Update the power-domain-cells to 2 and add the permissions
to each node. Mark the following nodes accessed by r5 as shared:
- DDR node
- main uart 0
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
TISCI protocol supports for enabling the device either with exclusive
permissions for the requesting host or with sharing across the hosts.
There are certain devices which are exclusive to Linux context and
there are certain devices that are shared across different host contexts.
So add support for getting this information from DT by increasing
the power-domain cells to 2.
For keeping the DT backward compatibility intact, defaulting the
device permissions to set the exclusive flag set. In this case the
power-domain-cells is 1.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
TISCI protocol supports for enabling the device either with exclusive
permissions for the requesting host or with sharing across the hosts.
There are certain devices which are exclusive to Linux context and
there are certain devices that are shared across different host contexts.
So add support for getting this information from DT by increasing
the power-domain cells to 2.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Certain drivers want to attach private data corresponding to each
power domain. This data might be specific be to the drvier. So add
a priv entry into the power_domain structure.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Rather than simply parking the R5 core in WFE after starting up ATF
on A53 instead use SYSFW API to properly shut down the R5 CPU cores
as well as associated timer resources that were pre-allocated. This
allows software further downstream to properly and gracefully bring
the R5 cores back online if desired.
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
