Commit Graph

18772 Commits

Author SHA1 Message Date
Andre Przywara
cc696e7cae arm: juno: Enable DM_ETH
The smc911X driver is now DM enabled, so we can switch the Juno board
over to use DM_ETH for the on-board Fast Ethernet device.
Works out of the box by using the DT.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2020-07-07 18:23:48 -04:00
Heinrich Schuchardt
22a4e006be arm: use correct argument size of special registers
Compiling with clang on ARMv8 shows errors like:

./arch/arm/include/asm/system.h:162:32: note: use constraint modifier "w"
                asm volatile("msr sctlr_el1, %0" : : "r" (val) : "cc");
                                             ^~
                                             %w0

These errors are due to using an incorrect size for the variables used
for writing to and reading from special registers which have 64 bits on
ARMv8.

Mask off reserved bits when reading the exception level.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-07-07 18:23:48 -04:00
Heinrich Schuchardt
b87d8d6a0e arm: remove outdated comment concerning -ffixed-x18
Clang 9 supports -ffixed-x18.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-07 18:23:48 -04:00
Amit Singh Tomar
cd2baaf777 owl: Kconfig: Enable DM eth for OWL platform
This patch selects CONFIG_DM_ETH (ethernet driver is base on DM model)
for Action semi owl SoC.

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-07-07 17:12:01 -04:00
Amit Singh Tomar
75523d54ac arm: dts: s700: add node for ethernet controller
This patch adds node for ethernet controller found on Action Semi OWL
S700 SoC.

Since, there is no upstream Linux binding exist for S700 ethernet
controller, Changes are put in u-boot specific dtsi file.

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-07-07 17:12:01 -04:00
Amit Singh Tomar
3c5c4ee35f net: designware: s700: Add glue code for S700 mac
This patchs adds glue logic to enable designware mac present on
Action Semi based S700 SoC, Configures SoC specific bits.

Undocumented bit that programs the PHY interface select register
comes from vendor source.

It has been tested on Cubieboard7-lite based on S700 SoC.

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-07-07 17:11:58 -04:00
Amit Singh Tomar
3a21734605 clk: actions: Add Ethernet clocks
This commit adds clocks needed for ethernet operations for
Actions OWL family of SoCs (S700 and S900).

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-07-07 16:09:22 -04:00
Amit Singh Tomar
3ca564e96e Actions: OWL: Calculate SDRAM size
Calculate the SDRAM size from DDR capacity register registers instead
of using hard-coded value. This is quite useful to get correct size
on differnt boards based on Actions OWL family of SoCs (S700 and S900).

There is no documentation available that talks about DDR registers, and
this is very much taken from vendor source.

This commit lets Linux boot on Cubieboard7-lite(based on S700).

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2020-07-07 16:09:22 -04:00
Tom Rini
1e88e78177 - arch and board update for stm32mp15:
- use OPP information in device tree for 800MHz/650MHz support
   - ram: inprovments of test command
   - solve boot on closed chip when access to DBGMCU_IDC is protected
   - stm32prog command: Add "device anme" during USB enumeration
   - update configs: activate WATCHDOG and 'env erase' command,
     increase teed partition, support SD card after NOR boot by default and
     use env info in env_check
   - some sboard cleanups: gpio hog in dh board, specific driver for
     type-c stusb1600 controller code in a driver move part of code in spl.c
     and in common directory
 - fix STM32 compatible for dwc_eth_qos driver
 - support of new pinctrl ops get_dir_flags/set_dir_flags in stm32 and stmfx
   drivers
 - vrefbuf: fix a possible overshoot when re-enabling
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Merge tag 'u-boot-stm32-20200707' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm

- arch and board update for stm32mp15:
  - use OPP information in device tree for 800MHz/650MHz support
  - ram: inprovments of test command
  - solve boot on closed chip when access to DBGMCU_IDC is protected
  - stm32prog command: Add "device anme" during USB enumeration
  - update configs: activate WATCHDOG and 'env erase' command,
    increase teed partition, support SD card after NOR boot by default and
    use env info in env_check
  - some sboard cleanups: gpio hog in dh board, specific driver for
    type-c stusb1600 controller code in a driver move part of code in spl.c
    and in common directory
- fix STM32 compatible for dwc_eth_qos driver
- support of new pinctrl ops get_dir_flags/set_dir_flags in stm32 and stmfx
  drivers
- vrefbuf: fix a possible overshoot when re-enabling
2020-07-07 14:00:44 -04:00
Tom Rini
c4df37bfa9 First set of u-boot-atmel features for 2020.10 cycle
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Merge tag 'u-boot-atmel-2020.10-a' of https://gitlab.denx.de/u-boot/custodians/u-boot-atmel

First set of u-boot-atmel features for 2020.10 cycle
2020-07-07 12:55:57 -04:00
Volodymyr Babchuk
f8ddd8cbb5 arm64: issue ISB after updating system registers
ARM Architecture reference manual clearly states that PE pipeline
should be flushed after changes to some system registers. Refer to
paragraph "B2.3.5 Memory Barriers" at page B2-92 of "Arm Architecture
Reference Manual ARMv8 for ARMv8-A Architecture Profile" (ARM DDI
0487B.a).

Failing to issue instruction synchronization barrier can lead to
spurious errors, like synchronous exception when accessing FPU
registers. This is very prominent on CPUs with long instruction
pipeline, like ARM Cortex A72.

This change fixes the following U-Boot panic:

 "Synchronous Abort" handler, esr 0x1fe00000
 elr: 00000000800948cc lr : 0000000080091e04
 x0 : 00000000801ffdc8 x1 : 00000000000000c8
 x2 : 00000000800979d4 x3 : 00000000801ffc60
 x4 : 00000000801ffd40 x5 : ffffff80ffffffd8
 x6 : 00000000801ffd70 x7 : 00000000801ffd70
 x8 : 000000000000000a x9 : 0000000000000000
 x10: 0000000000000044 x11: 0000000000000000
 x12: 0000000000000000 x13: 0000000000000000
 x14: 0000000000000000 x15: 0000000000000000
 x16: 000000008008b2e0 x17: 0000000000000000
 x18: 00000000801ffec0 x19: 00000000800957b0
 x20: 00000000000000c8 x21: 00000000801ffdc8
 x22: 000000008009909e x23: 0000000000000000
 x24: 0000000000000000 x25: 0000000000000000
 x26: 0000000000000000 x27: 0000000000000000
 x28: 0000000000000000 x29: 00000000801ffc50

 Code: a94417e4 a90217e4 a9051fe6 a90617e4 (3d801fe0)

While executing instruction

 str     q0, [sp, #112]

in vsnprintf() prologue. This panic was observed only on Cortex A72 so
far.

This patch places ISBs on other strategic places as well.

Also, this probably is the right fix for the issue workarounded in the
commit 45f41c134b ("ARM: uniphier: add weird workaround code for LD20")

Reported-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Suggested-by: Julien Grall <julien.grall.oss@gmail.com>
Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
CC: Tom Rini <trini@konsulko.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Julien Grall <julien@xen.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-07-07 11:01:52 -04:00
Patrick Delaunay
c16cba88bd stm32mp1: use the command env info in env_check
Activate CMD_NVEDIT_INFO and use the new command "env info -d -p -q"
to automatically save the environment on first boot.

This patch allows to remove the env_default variable.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
bd3f60d29c arm: stm32mp: protect DBGMCU_IDC access with BSEC
As debugger must be totally closed on Sec closed chip,
the DBGMCU_IDC register is no more accessible (self
hosted debug is disabled with OTP).

This patch adds a function bsec_dbgswenable() to check
if the DBGMCU registers are available before to access them:
BSEC_DENABLE.DBGSWENABLE = self hosted debug status.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
03c4e6224a arm: stm32mp: stm32prog: add "Device Name" in iproduct during DFU USB enumeration
Add "Device Name" in iproduct during DFU USB enumeration
to have this information in STM32CubeProgrammer trace
(this tools is compatible with @Name since v2.3)

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
4a87fea6de ARM: dts: stm32mp1: use OPP information for PLL1 settings in SPL
This patch allows to switch the CPU frequency to 800MHz on the
ST Microelectronics board (DK1/DK2 and EV1) or dh electronics SOM
using the STM32MP15x SOC and when it is supported by the HW
(for STM32MP15xD and STM32MP15xF).

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
d1a4b09de6 board: st: stpmic1: add function stpmic1_init
Add a function stmpic_init to early initialize the PMIC STPMIC1
- keep vdd on during the reset cycle (to avoid issue when backup battery
  is absent)
- Check if debug is enabled to program PMIC according to the bit

This patch allows to remove the compilation of spl.c file from stm32mp1
board in dh_stm32mp1.

CONFIG_SPL_BOARD_INIT is removed as the new function is called earlier
in SPL, in the function board_early_init_f.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
4e62642aef arm: stm32mp: add weak function to save vddcore
Add a weak functions to save the vddcore voltage value provided
in the OPP node when the clock tree is initialized.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
6f2e0ad194 ARM: dts: stm32: add cpufreq support on stm32mp15x
This commit adds cpufreq support on stm32mp15x SOC. STM32 cpufreq uses
operating points V2 bindings (no legacy). Nvmem cells have to be used to
know the chip version and then which OPPs are available. Note that STM32
cpufreq driver is mainly based on "cpufreq-dt" driver.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07 16:01:23 +02:00
Patrick Delaunay
95bd49a5aa arm: stm32mp: spl: add bsec driver in SPL
Add the bsec driver in SPL, as it is needed by SOC part number detection
to found the supported OPP.

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>
2020-07-07 16:01:23 +02:00
Tom Rini
6e7d7aa2e2 Merge branch 'next'
Merge all outstanding changes from the current next branch in now that
we have released.
2020-07-06 15:46:38 -04:00
Tom Rini
df3d0a3f95 Merge branch '2020-07-01-kconfig-etc-updates' into next
- Resync Kconfiglib with the v14.1.0 release.
- Re-sync our <linux/compiler*h> files with v5.7-rc5 from upstream.
- Fully resync checkpatch.pl with v5.7 release.

To safely to all of the above, we have a few bugfixes about functions
that need a 'static inline' but weren't.  We also stop setting
CROSS_COMPILE in arch/*/config.mk.  Finally, with the above changes
boards can now opt-in to optimizing inlining and we do this for the
socfpga stratix10 platform for space savings.
2020-07-05 18:03:32 -04:00
Heiko Schocher
9ba84329dc sandbox, test: add test for GPIO_HOG function
currently gpio hog function is not tested with "ut dm gpio"
so add some basic tests for gpio hog functionality.

For this enable GPIO_HOG in sandbox_defconfig, add
in DTS some gpio hog entries, and add testcase in
"ut dm gpio" command.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-05 08:06:09 -04:00
Heinrich Schuchardt
c5a444270f riscv: use log functions in fdt_fixup
Replace printf() and debug() by log_err() and log_debug().

"No reserved memory region found in source FDT\n" is not an error but a
debug information.

%s/can not/cannot/ - use the more common spelling.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
2020-07-03 15:09:12 +08:00
Pragnesh Patel
5ce50206ed riscv: sifive: fu540: enable all cache ways from U-Boot proper
Add L2 cache node to enable all cache ways from U-Boot proper.

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-03 15:09:06 +08:00
Atish Patra
edf4fc2baf riscv: Use optimized version of fdtdec_get_addr_size_no_parent
fdtdec_get_addr_size_no_parent is not an optimized version if parent
node is already available with the caller.

Use fdtdec_get_addr_size_auto_parent to read the "reg" property

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-07-03 15:09:00 +08:00
Atish Patra
7eb4bcc3f4 riscv: Do not return error if reserved node already exists
Not all errors are fatal. If a reserved memory node already exists in the
destination device tree, we can continue to boot without failing.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-07-03 15:09:00 +08:00
Bin Meng
fd31e4fd18 riscv: Do not build reset.c if SYSRESET is on
SYSRESET uclass driver already provides all the reset APIs, hence
exclude our own ad-hoc reset.c implementation.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Sagar Kadam <sagar.kadam@sifive.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
2020-07-03 15:07:48 +08:00
Bin Meng
1c17e55594 riscv: Enable CONFIG_OF_BOARD_FIXUP by default for OF_SEPARATE
Starting from OpenSBI v0.7, the SBI firmware inserts/fixes up the
reserved memory node for PMP protected memory regions. All RISC-V
boards need to copy the reserved memory node from the device tree
provided by the firmware to the device tree used by U-Boot.

Turn on CONFIG_OF_BOARD_FIXUP by default for OF_SEPARATE.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2020-07-02 10:03:09 +08:00
Bin Meng
a8492e25ac riscv: Expand the DT size before copy reserved memory node
The FDT blob might not have sufficient space to hold a copy of
reserved memory node. Expand it before the copy.

Reported-by: Rick Chen <rick@andestech.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2020-07-02 10:03:09 +08:00
Bin Meng
c4f7c506d9 riscv: Avoid the reserved memory fixup if src and dst point to the same place
The copy of reserved memory node from source dtb to destination dtb
can be avoided if they point to the same place. This is useful when
OF_PRIOR_STAGE is used.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
2020-07-02 10:03:09 +08:00
Bin Meng
76585c9ecc riscv: fu540: dts: Correct reg size of otp and dmc nodes
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
2020-07-02 10:03:03 +08:00
Bin Meng
6c6a29cde4 riscv: fu540: dts: Remove the unnecessary space in the cpu2_intc node
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
2020-07-02 10:03:03 +08:00
Tom Rini
6ca300aec0 socfpga: Mark socfpga_fpga_add() as static inline in the non-FPGA case
Unless we mark the function as 'static inline' it may end up being
non-inlined by the compiled and result in duplicate functions.

Cc: Marek Vasut <marex@denx.de>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Marek Vasut <marex@denx.de>
2020-07-01 10:11:03 -04:00
Tom Rini
897860ebc1 x86: Convert from ACCESS_ONCE to READ/WRITE_ONCE
In order to update our <linux/compiler.h> to a newer version that no
longer provides ACCESS_ONCE() but only READ_ONCE()/WRITE_ONCE() we need
to convert arch/x86/include/asm/atomic.h to the other macros.

Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-01 10:11:03 -04:00
Tom Rini
f2ff327e93 tegra: Convert from ACCESS_ONCE to READ/WRITE_ONCE
In order to update our <linux/compiler.h> to a newer version that no
longer provides ACCESS_ONCE() but only READ_ONCE()/WRITE_ONCE() we need
to convert arch/arm/mach-tegra/ivc.c to the other macros.

Cc: Tom Warren <twarren@nvidia.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2020-07-01 10:11:03 -04:00
Tom Rini
faf002c0ab Remove CROSS_COMPILE default from arch/*/config.mk
In order to support the compiler providing information used within
Kconfig itself we cannot have the compiler be determined by
arch/*/config.mk as we will not be able to evaluate that yet.  Given
that most documentation tells people to specify CROSS_COMPILE, remove
these references.

Cc: Huan Wang <alison.wang@nxp.com>
Cc: Angelo Dureghello <angelo@sysam.it>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Rick Chen <rick@andestech.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
2020-07-01 10:11:03 -04:00
Sagar Shrikant Kadam
eb75ee4bd6 riscv: dts: hifive-unleashed-a00: add cpu aliases
Add cpu aliases to U-Boot specific dtsi for hifive-unleashed.
Without aliases we see that the CPU device sequence numbers are set
randomly and the cpu list/detail command will show it as follows:
=> cpu list
  1: cpu@1      rv64imafdc
  2: cpu@2      rv64imafdc
  3: cpu@3      rv64imafdc
  0: cpu@4      rv64imafdc

Seems like CPU probing with dm-model also relies on aliases as observed
in case spi. The fu540-c000-u-boot.dtsi has cpu nodes and so adding
corresponding aliases we can ensure that cpu devices are assigned
proper sequence as follows:

=> cpu list
  1: cpu@1      rv64imafdc
  2: cpu@2      rv64imafdc
  3: cpu@3      rv64imafdc
  4: cpu@4      rv64imafdc

Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@sifive.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-07-01 15:01:27 +08:00
Sean Anderson
a7c81fc853 riscv: Add Sipeed Maix support
The Sipeed Maix series is a collection of boards built around the RISC-V
Kendryte K210 processor. This processor contains several peripherals to
accelerate neural network processing and other "ai" tasks. This includes a
"KPU" neural network processor, an audio processor supporting beamforming
reception, and a digital video port supporting capture and output at VGA
resolution. Other peripherals include 8M of sram (accessible with and
without caching); remappable pins, including 40 GPIOs; AES, FFT, and SHA256
accelerators; a DMA controller; and I2C, I2S, and SPI controllers. Maix
peripherals vary, but include spi flash; on-board usb-serial bridges; ports
for cameras, displays, and sd cards; and ESP32 chips. Currently, only the
Sipeed Maix Bit V2.0 (bitm) is supported, but the boards are fairly
similar.

Documentation for Maix boards is located at
<http://dl.sipeed.com/MAIX/HDK/>.  Documentation for the Kendryte K210 is
located at <https://kendryte.com/downloads/>. However, hardware details are
rather lacking, so most technical reference has been taken from the
standalone sdk located at
<https://github.com/kendryte/kendryte-standalone-sdk>.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2020-07-01 15:01:22 +08:00
Sean Anderson
bba8618c8e riscv: Add device tree for K210 and Sipeed Maix BitM
Where possible, I have tried to find compatible drivers based on the layout
of registers. However, many devices remain untested. All untested devices
have been left disabled, but some tentative properties (such as compatible
strings, and clocks, interrupts, and resets properties) have been added.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2020-07-01 15:01:22 +08:00
Sean Anderson
958a3f464c riscv: Allow use of reset drivers
Currently, one cannot use a reset driver on RISC-V. Follow the MIPS
example, and disable the default reset handler when the sysreset driver is
enabled.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-01 15:01:22 +08:00
Sean Anderson
b8bc120927 riscv: Add option to support RISC-V privileged spec 1.9
Some older processors (notably the Kendryte K210) use an older version of
the RISC-V privileged specification. The primary changes between the old
and new are in virtual memory, and in the merging of three separate counter
enable CSRs.  Using the new CSR on an old processor causes an illegal
instruction exception.  This patch adds an option to use the old CSRs
instead of the new one.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-01 15:01:22 +08:00
Sean Anderson
40686c394e riscv: Clean up IPI initialization code
The previous IPI code initialized the device whenever the first call was
made to a riscv_*_ipi function. This made it difficult to determine when
the IPI device was initialized. This patch introduces a new function
riscv_init_ipi. It is called once during arch_cpu_init_dm. In SPL, it is
called in spl_invoke_opensbi. Before this point, no riscv_*_ipi functions
should be called.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2020-07-01 15:01:22 +08:00
Sean Anderson
9472630337 riscv: Clear pending interrupts before enabling IPIs
On some platforms (k210), the previous stage bootloader may have not
cleared pending IPIs before transferring control to U-Boot. This can cause
race conditions, as multiple harts all attempt to initialize the IPI
controller at once. This patch clears IPIs before enabling them, ensuring
that only one hart modifies shared memory at once.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2020-07-01 15:01:21 +08:00
Sean Anderson
309c79f3de riscv: Add headers for asm/global_data.h
This header depended on bd_t and ulong, but did not include the appropriate
headers.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-01 15:01:21 +08:00
Sean Anderson
038b13ee81 reset: Add generic reset driver
This patch adds a generic reset driver. It is designed to be useful when
one has a register in a regmap which contains bits that reset other
devices. I thought this seemed like a very generic use, so here is a
generic driver. The overall structure has been modeled on the syscon-reboot
driver.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-01 15:01:21 +08:00
Sean Anderson
4a3390f1d3 dm: Add support for simple-pm-bus
This type of bus is used in Linux to designate buses which have power
domains and/or clocks which need to be enabled before their child devices
can be used. Because power domains are automatically enabled before probing
in U-Boot, we just need to enable any clocks present.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-01 15:01:21 +08:00
Tom Rini
e2a4d24e6b Merge branch '2020-06-30-minor-TI-board-updates' into next
- Minor updates to some platforms I am the listed maintainer of.
  Notably this removes the ti814x_evm which stopped building with the PXA
  MMC migration series (oops) but hasn't been functional in some time.
2020-06-30 15:03:25 -04:00
Tom Rini
50b5326868 ti814x: Remove platform
The TI814x (DM814x) platform is rather old and in need of a lot of
migration work.  As much of that work is well past the deadline, remove
this platform.

Signed-off-by: Tom Rini <trini@konsulko.com>
2020-06-30 15:02:45 -04:00
Tom Rini
5fdb3c0e7e - net: pcnet: cleanup and add DM support
- Makefile: add rule to build an endian-swapped U-Boot image
   used by MIPS Malta EL variants
 - CI: add Qemu tests for MIPS Malta
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Merge tag 'mips-pull-2020-06-29' of https://gitlab.denx.de/u-boot/custodians/u-boot-mips into next

- net: pcnet: cleanup and add DM support
- Makefile: add rule to build an endian-swapped U-Boot image
  used by MIPS Malta EL variants
- CI: add Qemu tests for MIPS Malta
2020-06-30 11:43:18 -04:00
Lukasz Majewski
2896422706 spi: Move DM_SPI_FLASH and SPI_FLASH_DATAFLASH to Kconfig (for ls1021aXXX)
This patch moves the CONFIG_DM_SPI_FLASH and CONFIG_SPI_FLASH_DATAFLASH
to be defined in Kconfig, not in board specific header file
(include/configs/<board>.h).

Before this change the CONFIG_DM_SPI_FLASH was not set in .config (so it
was not possible to use CONFIG_IS_ENABLED(DM_SPI_FLASH) in SPI DM/DTS
converted drivers), but it was set in u-boot.cfg file.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
2020-06-29 13:34:43 -04:00