doc: xen: Add Xen guest ARM64 board documentation

Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

board: xen: De-initialize before jumping to Linux

Free resources used by Xen board before jumping to Linux kernel.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

xen: pvblock: Print found devices indices

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

xen: pvblock: Implement front-back protocol and do IO

Implement Xen para-virtual frontend to backend communication
and actually read/write disk data.

This is based on mini-os implementation of the para-virtual block
frontend driver.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

xen: pvblock: Read XenStore configuration and initialize

Read essential virtual block device configuration data from XenStore,
initialize front ring and event channel.
Update block device description with actual block size.

Use code for XenStore from mini-os.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

xen: pvblock: Enumerate virtual block devices

Enumerate Xen virtual block devices found in XenStore and
instantiate pvblock devices.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

xen: pvblock: Add initial support for para-virtualized block driver

Add initial infrastructure for Xen para-virtualized block device.
This includes compile-time configuration and the skeleton for
the future driver implementation.
Add new class UCLASS_PVBLOCK which is going to be a parent for
virtual block devices.
Add new interface type IF_TYPE_PVBLOCK.

Implement basic driver setup by reading XenStore configuration.

Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

xen: Port Xen grant table driver from mini-os

Make required updates to run on u-boot.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

xen: Port Xen bus driver from mini-os

Make required updates to run on u-boot and strip test code.

Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

lib: sscanf: add sscanf implementation

Port sscanf implementation from mini-os and introduce new
Kconfig option to enable it: CONFIG_SSCANF. Disable by default.

Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

linux/compat.h: Add wait_event_timeout macro

Add  wait_event_timeout - sleep until a condition gets true or a
timeout elapses.

This is a stripped version of the same from Linux kernel with the
following u-boot specific modifications:
- no wait queues supported
- use u-boot timer to detect timeouts
- check for Ctrl-C pressed during wait

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
[trini: Drop atomic_read from gadget/ether.c as this has existed for a
        while and now causes problems]
Signed-off-by: Tom Rini <trini@konsulko.com>

serial: serial_xen: Add Xen PV serial driver

Add support for Xen para-virtualized serial driver. This
driver fully supports serial console for the virtual machine.

Please note that as the driver is initialized late, so no banner
nor memory size is visible.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

xen: Port Xen event channel driver from mini-os

Make required updates to run on u-boot. Strip functionality
not needed by U-boot.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

xen: Port Xen hypervisor related code from mini-os

Port hypervisor related code from Mini-OS. This is referencing the code
of Mini-OS from [1] by Huang Shijie and Volodymyr Babchuk which is for
ARM64.
Update essential arch code to support required bit operations, memory
barriers etc.

Copyright for the bits ported belong to at least the following authors,
please see related files for details:

Copyright (c) 2002-2003, K A Fraser
Copyright (c) 2005, Grzegorz Milos, gm281@cam.ac.uk,Intel Research Cambridge
Copyright (c) 2014, Karim Allah Ahmed <karim.allah.ahmed@gmail.com>

[1] - https://github.com/zyzii/mini-os.git

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
[trini: Drop wmb() from musb-net/linux-compat.h now]
Signed-off-by: Tom Rini <trini@konsulko.com>

board: Introduce xenguest_arm64 board

Introduce a minimal Xen guest board running as a virtual
machine under Xen Project's hypervisor [1], [2].

Part of the code is ported from Xen mini-os and also uses
work initially done by different authors from NXP: please see
relevant files for their copyrights.

[1] https://xenbits.xen.org
[2] https://wiki.xenproject.org/

Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

xen: Add essential and required interface headers

Add essential and required Xen interface headers only taken from
the stable Linux kernel stable/linux-5.7.y at commit
66dfe4522160 Linux 5.7.5.

These are better suited for U-boot than the original headers
from Xen as they are the stripped versions of the same.

At the same time use public protocols from Xen RELEASE-4.13.1, at
commit 6278553325a9 update Xen version to 4.13.1
as those have more comments in them.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Acked-by: Peng Fan <peng.fan@nxp.com>

Kconfig: Introduce CONFIG_XEN

Introduce CONFIG_XEN to make U-Boot could be used as bootloader
for a virtual machine.

Without bootloader, we could successfully boot up android on XEN, but
we need need bootloader to support A/B, dm verify and etc.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

Add MIT License

Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>

configs: evb-ast2500: Convert to OF_SEPARATE

Switch DTB provider form OF_EMBED to OF_SEPARATE
to avoid the compile warning message:

  ==================== WARNING ======================
  CONFIG_OF_EMBED is enabled. This option should only
  be used for debugging purposes. Please use
  CONFIG_OF_SEPARATE for boards in mainline.
  See doc/README.fdt-control for more info.
  ====================================================

Signed-off-by: Chia-Wei, Wang <chiawei_wang@aspeedtech.com>

configs: evb-ast2500: Move BOOTCOMMAND from header to defconfig

Move the BOOTCOMMAND definition from the board inclusion
header to the default configuration file.

Signed-off-by: Chia-Wei, Wang <chiawei_wang@aspeedtech.com>

include/configs: aspeed: Remove hardcoded variables

The hardcoded platform variables such as DRAM base address are not
common to Aspeed SoCs AST24xx/AST25xx/AST26xx. This patch replaces
those hardcoded with macros defined in a newly added header, where
the basic SoC HW information are assigned accordingly.

Signed-off-by: Chia-Wei, Wang <chiawei_wang@aspeedtech.com>

cosmetic: aspeed: ast2500: Rename board file

Rename the ast2500-board.c to board_common.c and
place the renamed file under the ast2500 folder.

Signed-off-by: Chia-Wei, Wang <chiawei_wang@aspeedtech.com>

aspeed: ast2500: Add lowlevel_init assembly

The original lowlevel_init function of AST2500 is written
in C. However, the C runtime environment is not ready until
_main execution.

This patch adds the assembly version of the lowlevel_init
function. Additional initialization to DRAM configuration
and LPC reset source are also added.

Signed-off-by: Chia-Wei, Wang <chiawei_wang@aspeedtech.com>

MAINTAINERS: Add maintainers for Aspeed SoCs

Update maintainers for Aspeed SoC platforms.

Signed-off-by: Chia-Wei, Wang <chiawei_wang@aspeedtech.com>

drivers: pcie: add Broadcom IPROC PCIe RC driver

Add support for IPROC PAXC PCIe RC driver.

Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers: pci: add api to get dma regions

Add api to get dma regions.

Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>

Merge https://gitlab.denx.de/u-boot/custodians/u-boot-riscv

- Fix HiFive Unleashed the broken problem by call fix_fdt() before
  reserve_fdt().  Please refer to
  https://www.mail-archive.com/u-boot@lists.denx.de/msg379444.html for
  master u-boot broken for HiFive Unleashed.
- Add unaligned exception cmd.
- Refine sifive/fu540 spl flow.
- Add  additional crash information for efi.
- Update sipeed/maix doc.
- Two minor refine.

common/board_f: make sure to call fix_fdt() before reserve_fdt()

There may be a chance that board specific fix_fdt() will change the
size of FDT blob so it's safe to call reserve_fdt() after fix_fdt()
otherwise global data (gd) will overwrite with FDT blob values.

Fixes: a8492e25ac71 ("riscv: Expand the DT size before copy reserved memory node")

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>

riscv: additional crash information

If an exception occurs, the relocated program counter and return address
are required for an analysis.

With this patch you get:

    => exception undefined

    Unhandled exception: Illegal instruction
    EPC: 0000000080595908 RA: 000000008059c0c6 TVAL: 000000008030c01e
    EPC: 0000000080007908 RA: 000000008000e0c6 reloc adjusted

We can use the relocated addresses to find the involved functions in
u.boot.map:

    .text.do_undefined
                0x0000000080007908        0x8 cmd/built-in.o
    .text.cmd_process
                0x000000008000dfcc      0x11a common/built-in.o
                0x000000008000dfcc                cmd_process

If an exception occurs in an UEFI binary additionally the load addresses of
the UEFI binaries are needed. With this patch:

    => setenv efi_selftest exception
    => bootefi selftest

    Unhandled exception: Illegal instruction
    EPC: 000000008042e18a RA: 000000008042e18a TVAL: 000000008030c01e
    EPC: 000000007fea018a RA: 000000007fea018a reloc adjusted

    UEFI image [0x0000000000000000:0xffffffffffffffff] '/\selftest'
    UEFI image [0x000000008042e000:0x000000008042e43f] pc=0x18a '/bug.efi'

The value pc=0x18a matches the position of the illegal instruction in
efi_selftest_miniapp_exception.efi (loaded as /bug.efi);

    asm volatile (".word 0xffffffff\n");

    00000180   93 85 C5 11  1C 64 22 85  82 97 FF FF  FF FF 1C 64

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Tested-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>

cmd: exception: unaligned data access on RISC-V

The command 'exception' can be used to test the handling of exceptions.

Currently the exception command only allows to create an illegal
instruction exception on RISC-V.

Provide a sub-command 'exception unaligned' to cause a misaligned load
address exception.

Adjust the online help for 'exception undefined'.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Rick Chen <rick@andestech.com>

doc: riscv: debug UART for MAIX

Provide the required settings for the debug UART.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Sean Anderson <seanga2@gmail.com>

doc: riscv: Update documentation for Sipeed MAIX boards

The MAIXDUINO runs fine with the sipeed_maix_bitm_defconfig but a different
board id parameter should be passed to kflash.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Sean Anderson <seanga2@gmail.com>

riscv: sifive: fu540: redundant initialization

We should not initialize a variable if the value is overwritten before
being read.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Rick Chen <rick@andestech.com>

riscv: remove redundant logical constraint.

After

    if (ret) return ret;

we know that ret is zero. Don't check it again.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>

riscv: sifive/fu540: Move SPL related functions to spl.c

It's better to keep all SPL related functions in the same spl.c.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Leo Liang <ycliang@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>

riscv: sifive/fu540: Drop NET_RANDOM_ETHADDR

This option was enabled during the earlier U-Boot porting time. Now
we already have the OTP driver in place and the unique MAC address
is read from the OTP, there is no need to turn on this option.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Leo Liang <ycliang@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>

riscv: sifive/fu540: kconfig: Move FU540 driver related options to the SoC level

All FU540 driver related options should be in the SoC level Kconfig.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>

riscv: sifive/fu540: spl: Rename soc_spl_init()

spl_soc_init() seems to be a better name, as all SPL functions
names start from the spl_ prefix.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>

riscv: sifive/fu540: spl: Drop our own version of board_init_f()

Use the generic board_init_f() provided by the RISC-V library codes.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>

riscv: Call spl_board_init_f() in the generic SPL board_init_f()

The generic SPL version of board_init_f() should give a call to
board specific codes to initialize board in the SPL phase.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Tested-by: Pragnesh Patel <pragnesh.patel@sifive.com>

Merge https://gitlab.denx.de/u-boot/custodians/u-boot-marvell

- Fix dtc warnings for some MVEBU boards

Merge tag 'u-boot-stm32-20200813' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm

  - Use IS_ENABLED to prevent ifdef in board_key_check for STM32MP
  - Add STM32 FMC2 EBI controller driver
  - Fix dwc3-sti-glue which allows STiH410-B2260 to boot again
  - Add fitImage its entry for 587-200 DHCOR SoM
  - Add both PDK2 and DRC02 DT into DHCOM fitImage its
  - Fix DHCOM KS8851 ethernet MAC address
  - Remove stm32mp1 board.c file
  - Use const for struct node_info in board stm32mp1.c file

arm: mvebu: armada-3720-turris-mox.dts: Fix dtc warning

Fix this dtc warning:
Warning (avoid_default_addr_size)

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Marek Behún <marek.behun@nic.cz>

arm: mvebu: armada-388-gp.dts: Fix dtc warnings

Fix these dtc warnings:
Warning (reg_format)
Warning (avoid_default_addr_size)

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Chris Packham <judge.packham@gmail.com>

arm: mvebu: armada-xp-maxbcm.dts: Fix dtc warning

Fix this dtc warning:
Warning (avoid_default_addr_size)

Signed-off-by: Stefan Roese <sr@denx.de>

arm: mvebu: armada-xp-theadorable.dts: Fix dtc warning

Fix this dtc warning:
Warning (avoid_default_addr_size)

Signed-off-by: Stefan Roese <sr@denx.de>

board: stm32mp1: use const for struct node_info

Use const for the variable nodes in ft_board_setup,
this patch follow fdt_fixup_mtdparts prototype and no more use stack.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: remove board.c

Remove the file board/st/stm32mp1/board.c which is not more
compiled since commit 156732cc8939 ("board: stm32mp1: move the
function board_debug_uart_init in spl.c")

Fixes: 4fb46816c7e2 ("board: stm32mp1: move the function board_debug_uart_init in spl.c")
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

ARM: dts: stm32: Update eth1addr from EEPROM if eth1 present

The STM32MP1 DHCOM has two ethernet interfaces, the on-SoM DWMAC and KS8851.
Set eth1addr for the KS8851 to a MAC address of the DWMAC incremented by 1.
The MAC of the DWMAC is set from on-SoM EEPROM already, but the MAC address
of KS8851 was left uninitialized, so fix this.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

ARM: stm32: Add fitImage its entry for 587-200 DHCOR SoM

The new 587-200 DHCOR SoM is compatible with the 587-100 prototype,
hence just replicate the entries, as there is no pattern matching.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

ARM: stm32: Add both PDK2 and DRC02 DT into DHCOM fitImage its

Include both PDK2 and DRC02 DTs in the DHCOM fitImage .its and implement
support in SPL to select the correct configuration entry for U-Boot by
using the machine compatible string from SPL DT.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

ARM: dts: stm32: add FMC2 EBI support for stm32mp157c

This patch adds FMC2 External Bus Interface support on stm32mp157c.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

configs: stm32mp: add CONFIG_STM32_FMC2_EBI

This patch enables the support of FMC2 EBI.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: update fdt fixup partitions table

This patch adds "st,stm32mp1-fmc2-nfc" compatible string in the
fdt fixup partitions table.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: get resources from parent node

FMC2 EBI support has been added. Common resources (registers base
address and clock) can now be shared between the 2 drivers using
"st,stm32mp1-fmc2-nfc" compatible string. It means that the
common resources should now be found in the parent device when EBI
node is available.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

memory: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver

The driver adds the support for the STMicroelectronics FMC2 EBI controller
found on STM32MP SOCs.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: use clrsetbits_le32

This patch uses clrsetbits_le32 function instead of multiple instructions.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: use FIELD_PREP/FIELD_GET macros

This patch removes custom macros and uses FIELD_PREP and FIELD_GET macros.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: cosmetic change to use nfc instead of fmc2 where relevant

This patch renames functions and local variables.
This cleanup is done to get all functions starting by stm32_fmc2_nfc
in the FMC2 raw NAND driver when all functions will start by
stm32_fmc2_ebi in the FMC2 EBI driver.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: use FMC2_TIMEOUT_5S for timeouts

FMC2_TIMEOUT_5S will be used each time that we need to wait.
It was seen, during stress tests in an overloaded system,
that we could be close to 1 second, even if we never met this
value. To be safe, FMC2_TIMEOUT_MS is set to 5 seconds.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: remove useless inline comments

Remove inline comments that are useless since function label are
self explanatory.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

mtd: rawnand: stm32_fmc2: fix a buffer overflow

The chip select defined in the device tree could only be 0 or 1.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

arm: stm32mp: stm32prog: use IS_ENABLED to prevent ifdef

Use IS_ENABLED to prevent ifdef in stm32prog command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

arm: stm32mp: bsec: use IS_ENABLED to prevent ifdef

Use IS_ENABLED to prevent ifdef in bsec driver.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in ft_board_setup

Use IS_ENABLED to prevent ifdef in ft_board_setup.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in env functions

Use IS_ENABLED to prevent ifdef in env functions:
- env_get_location
- env_ext4_get_intf
- mmc_get_env_dev

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in board_late_init

Use IS_ENABLED to prevent ifdef in board_late_init.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in dk2_i2c1_fix

Use IS_ENABLED to prevent ifdef in dk2_i2c1_fix.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in set_dfu_alt_inf

Use CONFIG_IS_ENABLED to prevent ifdef in set_dfu_alt_inf.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in sysconf_init

Use IS_ENABLED to prevent ifdef in sysconf_init.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in board_check_usb_power

Use IS_ENABLED to prevent ifdef in board_check_usb_power.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in g_dnl_board_usb_cable_connected

Use IS_ENABLED to prevent ifdef in g_dnl_board_usb_cable_connected
and in g_dnl_bind_fixup

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

board: stm32mp1: use IS_ENABLED to prevent ifdef in board_key_check

Use IS_ENABLED to prevent ifdef in board_key_check

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

usb: host: dwc3-sti-glue: Fix ofnode_valid() parameter

node varaible is used as iterator into ofnode_for_each_subnode()
loop, when exiting of it, node is no more a valid ofnode.
Use dwc3_node instead as parameter of ofnode_valid()

Fixes: ac28e59a574d ("usb: Migrate to support live DT for some driver")
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Cc: Kever Yang <kever.yang@rock-chips.com>

Makefile: fix annoying sunxi hack message

every compilation shows this error

 Hack for sunxi which doesn't have a proper binman definition for
 64-bit boards

not only for sunxi-boards/arm64

fix this by changing to real comments

Fixes: 9f55ee259d0c ("Makefile: sunxi: Don't use binman to build ATF image")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>

Merge tag 'ti-v2020.10-rc3' of https://gitlab.denx.de/u-boot/custodians/u-boot-ti

- Added support for J7200 evm
- DM_ETH and DM_USB migrations for omap3
- USB DFU and mass storage support for AM65x evm
- RTI watchdog support for K3 devices
- Fix an issue with L3 cache on K3 devices

arm: dts: k3-j7200-common-proc-board: Enable CPSW2G port

Enable CPSW2G port to support networking in U-Boot

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

ARM: dts: k3-j7200-mcu-wakeup: Add CPSW2G support

Add MCU NAVSS, UDMA and CPSW2G DT nodes.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

ARM: dts: k3-j7200: Add HyperBus and HyperFlash nodes

J7200 SoM has Cypress HyperFlash connected to HyperBus interface, add DT
entries for the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

ARM: dts: k3-j7200: Add wkup gpio node

Add wkup_gpio0 node required for detecting whether board mux is set
HyperFlash.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

board: ti: j721e: Add support for HyperFlash detection

On J7200 SoC OSPI0 and HypeFlash are muxed at HW level and only one of
them can be used at any time. J7200 EVM has both HyperFlash and OSPI
flash on board. There is a user switch (SW3.1) that can be toggled to
select OSPI flash vs HyperFlash.
Read the state of this switch via wkup_gpio0_6 line and fixup the DT
nodes to select OSPI0 vs HyperFlash

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arm: dts: k3-j7200: Add USB related DT entries

Add USB related DT entries to enable USB device mode.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

configs: j7200_evm_a72: Add Initial support

Add initial A72 defconfig support.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

configs: j7200_evm_r5: Add initial support

Add initial R5 defconfig support

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arm: dts: k3-j7200: Add R5 specific dts support

Add the basic a72 basic dts for j7200. Following nodes were supported:
- UART
- MMC SD
- I2C
- TISCI communication
- LPDDR with 1600MTs configuration.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>

arm: dts: k3-j7200: Add dts support

Add the basic a72 dts for j7200. Following nodes were supported:
- UART
- MMC SD
- I2C
- TISCI communication

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>

soc: soc_ti_k3: Add device identification for J7200 SoC

Add device identification for J7200 SoC

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

ram: k3-j721e: Relax version checks for memory controller

k3-j721e ddr driver sanity checks for product id and version number.
Version number gets changed for every minor update in the IP. So discard
the version check and just sanity check for product id.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

board: ti: j7200: Add board detection support for j7200

Add board detection support for j7200 common processor board.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

board: ti: j7200: Introduce support for j7200 build targets

j7200-evm has minor differences with j721e-evm based on the IPs
available in the SoC. Introduce separate build targets for j7200-evm
to incorporate the differences.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: j7200: Detect if ROM has already loaded sysfw

Detect if sysfw is already loaded by ROM and pass this information to
sysfw loader. Based on this information sysfw loader either loads the
sysfw image from boot media or just receives the boot notification
message form sysfw.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: j7200: Add support for storing extended boot info from ROM

Starting J7200 SoC, ROM supports for loading sysfw directly from boot
image. ROM passes this information on number of images that are loaded
to bootloader at certain location. Add support for storing this
information before it gets corrupted.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: j7200: Add support for SOC detection

The J7200 SoC is a part of the K3 Multicore SoC architecture platform.
It is targeted for automotive gateway, vehicle compute systems,
Vehicle-to-Vehicle (V2V) and Vehicle-to-Everything (V2X) applications.
The SoC aims to meet the complex processing needs of modern embedded
products.

Some highlights of this SoC are:
* Dual Cortex-A72s in a single cluster, two clusters of lockstep
  capable dual Cortex-R5F MCUs and a Centralized Device Management and
  Security Controller (DMSC).
* Configurable L3 Cache and IO-coherent architecture with high data
  throughput capable distributed DMA architecture under NAVSS.
* Integrated Ethernet switch supporting up to a total of 4 external ports
  in addition to legacy Ethernet switch of up to 2 ports.
* Upto 1 PCIe-GEN3 controller, 1 USB3.0 Dual-role device subsystems,
  20 MCANs, 3 McASP, eMMC and SD, OSPI/HyperBus memory controller, I3C and
  I2C, eCAP/eQEP, eHRPWM among other peripherals.
* One hardware accelerator block containing AES/DES/SHA/MD5 called SA2UL
  management.

See J7200 Technical Reference Manual (SPRUIU1, June 2020)
for further details: https://www.ti.com/lit/pdf/spruiu1

Add support for detection J7200 SoC

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: j721e: Fix unlocking control module registers

In main control mmr there is no partition 4 and partition 6 is available
only on J721e. Fix the same in ctrl_mmr_unlock function

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: j721e: Add detection for j721e

Add an api soc_is_j721e(), and use it to enable certain functionality
that is available only on j721e. This detection is needed when DT is not
available.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: sysfw-loader: Add support for rom loading sysfw image

Starting J7200 SoC, ROM supports for loading sysfw directly from boot
image. In such cases, SPL need not load sysfw from boot media, but need
to receive boot notification message from sysfw. So separate out
remoteproc calls for system controller from sysfw loader and just
receive the boot notification if sysfw is already loaded.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: Move mmr_unlock to a common location

mmr_unlock api is common for all k3 devices. Move it to a common
location.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>

arm: mach-k3: Fix platform hang when SPL_MULTI_DTB_FIT is not enabled

If SPL_MULTI_DTB_FIT is not enabled, then CONFIG_SPL_OF_LIST is not defined
And in turn tispl.bin ends up not embedding any DTB.
Fixing it by using CONFIG_DEFAULT_DEVICE_TREE if SPL_OF_LIST is empty.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

board: ti: j721e: Update fdt fixup logic for interconnect nodes

The DT nodes on J721E SoCs currently use a node name "interconnect" for
the various interconnects. This name is not following the DT schema, and
should simply be "bus". Update the fdt fixup logic to use both the current
and the expected corrected path names so that this logic won't be broken
with newer kernels.

Signed-off-by: Suman Anna <s-anna@ti.com>

board: ti: j721e: Probe eeprom only when CONFIG_TI_I2C_BOARD_DETECT is defined

Guard all eeprom probe with TI_I2C_BOARD_DETECT to avoid reading eeprom
when eeprom is not available

Reviewed-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>