Most Apple IOPs run a firmware that is based on what Apple calls
RTKit. RTKit implements a common mailbox protocol. This code
provides an implementation of the AP side of this protocol,
providing a function to initialize RTKit-based firmwares as well
as a function to do a clean shutdown of this firmware.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on: Macbook Air M1
Tested-by: Simon Glass <sjg@chromium.org>
U-Boot is expected to support multiple generations of Apple SoCs
in a single binary with a single defconfig. Therefore it makes
more sense to set SYS_SOC to "apple".
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This converts the following to Kconfig:
CONFIG_SCSI_AHCI_PLAT
CONFIG_SYS_SCSI_MAX_SCSI_ID
CONFIG_SYS_SCSI_MAX_LUN
CONFIG_SYS_SATA_MAX_DEVICE
Drop CONFIG_SCSI for everything except the sandbox build. We only need
one build for tests.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
This is defined based on two other CONFIGs for all boards except sandbox
and durian.
For sandbox the value does not matter. For durian the value seems
excessive.
Drop the option completely, to simplify configuration and reduce the
number of things we need to convert to Kconfig.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
First check the presence of the ipu firmware in the boot partition.
If present enable the ipu and the related clocks & then move
on to load the firmware and eventually start remoteproc IPU1/IPU2.
do_enable_clocks by default puts the clock domains into auto
which does not work well with reset. Hence adding do_enable_ipu_clocks
function.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[Amjad: fix IPU1_LOAD_ADDR and compile warnings]
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Commit 97c16dc8bf ("imx: mx6ull: update the REFTOP_VBGADJ setting")
made this macro unused. Then remove it.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
According to TRM for i.MX8M Nano and Plus, GPR10 register contains lock
bit for TZASC_ID_SWAP_BYPASS bit. This bit is required to be set in
order to avoid AXI bus errors when GPU is enabled on the platform.
TZASC_ID_SWAP_BYPASS bit is alread set for all imx8m applicable
derivatives, but is missing a lock settings to be applied.
Set the TZASC_ID_SWAP_BYPASS_LOCK bit for those derivatives which have
it implemented.
Since we're here, provide also names to bits from TRM instead of using
BIT() macro in the code.
Fixes: deca6cfbf5 ("imx8mn: set BYPASS ID SWAP to avoid AXI bus errors")
Fixes: a07c718129 ("imx8mp: set BYPASS ID SWAP to avoid AXI bus errors")
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Cc: Peng Fan <peng.fan@nxp.com>
Similar to what has been done before with c5437e5b for u-boot proper, we
enable the SMP bit for SPL as well. This is necessary when SDP booting
straight into Linux, i.e. falcon boot. When SDP boot mode is active, the
ROM code does not set this bit which makes the caches not work once
activated in Linux.
On an i.MX6ULL (528MHz), this reduces a minimal kernel's boot time into
an initramfs shell from ~6.1s down to ~1.2s.
Signed-off-by: Sven Schwermer <sven@svenschwermer.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
The DDRLOCKED bit in CGC2 DDRCLK will auto lock up and down by HW
according to DDR DIV updating or DDR CLK halt status change. So DDR
PCC disable/enable will trigger the lock up/down flow. We
need wait until unlock to ensure clock is ready.
And before configuring the DDRCLK DIV, we need polling the DDRLOCKED
until it is unlocked. Otherwise writing ti DIV bits will not set.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This patch implements enable_adc1_clk() to enable or disable the ADC1
clock on i.MX8ULP.
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
When LPAV is allocated to RTD, the LPAV won't be reset. So we have to
reset DCNano and MIPI DSI in u-boot before enabling the drivers
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
8ULP ROM should read the LPOSC trim BIAS fuse to fill the CGC0
LPOSCCTRL[7:0], but it writes a fixed value on A0.1 revision.
A0.2 will fix the issue in ROM. But A0.1 we have to workaround
it in SPL by setting LPOSCCTRL BIASCURRENT again.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
The setting does not have effect because we should set it after
power on the PS16 for NIC AV.
So move it after upower_init which has powered on all PS
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
The board use IO9 of PCA6416 on LPI2C0 and TPM0 for MIPI DSI MUX and
backlight. However the LPI2C0 and TPM0 are M33 resources, in this
patch we simply access them, but this is a temporary solution.
We will modify it when M33 FW changes to set MIPI DSI panel as default
path and enable backlight after reset.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Add the DSI clock enable and disable with PCC reset used.
Add the LCD pixel clock calculation and configuration for DCNano
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Add support for F1C100s internal dram controller.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This patch aims to add header files for the suniv.
The header files included add support for uart, and clocks.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Currently we do some magic "SRAM setup" MMIO writes in s_init(), copied
from the original BSP U-Boot. The comment speaks of this being required
before DRAM access gets enabled, but there is no indication that this
would actually be required that early.
Move this out of s_init(), into board_init_f(). Since this actually only
affects a very few older SoCs, the actual code goes into the cpu/armv7
directory, to move it out of the way for all other SoCs.
This also uses the opportunity to convert some #ifdefs over to the fancy
IS_ENABLED() macros used in actual C code.
We keep the s_init() stub around for now, since armv8's lowlevel_init
still relies on it.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
The GPIO and pinctrl drivers need these setters for pin configuration.
Since they are DM drivers, they should not be using hardcoded base
addresses. Factor out variants of the setter functions which take a
pointer to the GPIO bank's MMIO registers.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
The return values of these functions are always zero, and they are
never checked. Since they are not needed, remove them.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
asm/mmu.h include is currently guarded by CONFIG_ADDR_MAP ifdef because
the header is only present on arm and powerpc. In order to remove the
dependency on this header and the associated ifdef, move init_addr_map()
declaration to init.h, since it is only called during the common init
sequence.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Add a return value to init_addr_map and use it directly in the
post-relocation init sequence, rather than using a wrapper stub.
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
This converts the following to Kconfig:
CONFIG_SYS_IMMR
We do this by consolidating the SYS_IMMR options we have and providing
defaults.
We also, in the few places where M68K was also sharing code with these
platforms, define it within the file to CONFIG_SYS_MBAR to match usage.
This should be cleaned up longer term.
Signed-off-by: Tom Rini <trini@konsulko.com>
Add YCLK enable for HACE, the HW hash engine of
ASPEED AST2600 SoCs.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
The AST2600 SRAM has been extended to 88KB since A1
chip revision. This patch updates the SRAM size to
offer more space for early stack/heap use.
Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
This symbol has been functionally dead for a long time. Remove the last
and recent re-introductions of setting it, and update the whitelist so
it will not be re-introduced again.
Signed-off-by: Tom Rini <trini@konsulko.com>
- Remove nWP GPIO hog
- Increase SF bus frequency to 50Mhz and enable SFDP
- Disable video output for DHSOM
- Disable EFI
- Enable DFU_MTD support
- Create include file for STM32 gpio driver private data
- Split board and SOC STM32MP15 configuration
- Device tree alignement with v5.15-rc6 for STM32MP15
- Add binman support for STM32MP15x
- Normalise newlines for stm32prog
- Update OTP shadow registers in SPL
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Merge tag 'u-boot-stm32-20211110' of https://source.denx.de/u-boot/custodians/u-boot-stm
- DHSOM update:
- Remove nWP GPIO hog
- Increase SF bus frequency to 50Mhz and enable SFDP
- Disable video output for DHSOM
- Disable EFI
- Enable DFU_MTD support
- Create include file for STM32 gpio driver private data
- Split board and SOC STM32MP15 configuration
- Device tree alignement with v5.15-rc6 for STM32MP15
- Add binman support for STM32MP15x
- Normalise newlines for stm32prog
- Update OTP shadow registers in SPL
The stm32 gpio driver private data are not needed in arch include files,
they are not used by code except for stm32 gpio and pincontrol drivers,
using the same IP; the defines for this IP is moved in a new file
"stm32_gpio_priv.h" in driver/gpio.
This patch avoids to have duplicated file gpio.h for each SOC
in MPU directory mach-stm32mp and in each MCU directory arch-stm32*
and allows to remove CONFIG_GPIO_EXTRA_HEADER for all STM32.
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Apple M1 SoCs include an S5L UART which is a variant of the S5P
UART. Add support for this variant and enable it by default
on Apple SoCs.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Stop using the device tree as a source for ad-hoc information.
This reverts commit 2ae7adc659.
Signed-off-by: Michael Walle <michael@walle.cc>
[trini: Also make board/broadcom/bcmns3/ns3.c fail clearly now]
Signed-off-by: Tom Rini <trini@konsulko.com>
fix up ppll init freq.
support tclk_emmc.
add freq (26M) for mmc device.
fix up the sfc clk rate unit error.
Change in V2:
remove change id.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Remove some config finishing by _ badly added by
scripts/build-whitelist.sh when joker is used in comments.
for example:
doc/uImage.FIT/command_syntax_extensions.txt:
... #ifdef CONFIG_OF_* | ...
cmd/nvedit.c:# error Define one of CONFIG_ENV_IS_IN_{EEPROM| \
FLASH|MMC|FAT|EXT4|\
Remove also configs only used in comments:
- CONFIG_BOOGER in include/linux/kconfig.h
- CONFIG_COMMANDS
- CONFIG_INIT_IGNORE_ERROR
- CONFIG_REG_*
- CONFIG_HOTPLUG : drivers/watchdog/omap_wdt.c:18
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Rather than duplicate the Ethernet MAC address and carveout updating
code for each board, move it to a common location and make it more
reusable.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
- Disable bi_boot_params for STM32 MCU and MPU boards
- Update stm32-usbphyc node management
- Convert CONFIG_STM32_FLASH to Kconfig for STM32 MCU boards
- Convert some USB config flags to Kconfig for various boards
- Convert CONFIG_BOOTCOMMAND flag to Kconfig for STM32 F429 board
- Remove specific CONFIG_STV0991 flags
- Remove unused CONFIG_USER_LOWLEVEL_INIT flag
- Add ofdata_to_platdata() callback for stm32_spi driver
- Update for stm32f7_i2c driver
- Remove gpio_hog_probe_all() from STM32 MP1 board
- Fix bind command
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Merge tag 'u-boot-stm32-20211012' of https://source.denx.de/u-boot/custodians/u-boot-stm
- Disable ATAGS for STM32 MCU and MPU boards
- Disable bi_boot_params for STM32 MCU and MPU boards
- Update stm32-usbphyc node management
- Convert CONFIG_STM32_FLASH to Kconfig for STM32 MCU boards
- Convert some USB config flags to Kconfig for various boards
- Convert CONFIG_BOOTCOMMAND flag to Kconfig for STM32 F429 board
- Remove specific CONFIG_STV0991 flags
- Remove unused CONFIG_USER_LOWLEVEL_INIT flag
- Add ofdata_to_platdata() callback for stm32_spi driver
- Update for stm32f7_i2c driver
- Remove gpio_hog_probe_all() from STM32 MP1 board
- Fix bind command
Signed-off-by: Tom Rini <trini@konsulko.com>
The bulk of it is Samuel's DM_I2C rework, which removes the nasty I2C
deprecation warnings for most 32-bit boards. It also includes some
smaller refactorings that pave the way for more changes, mostly driven
by needing to support the Allwinner RISC-V SoC later on.
Board wise we gain support for the FriendlyARM NanoPi R1S H5 router
board and official Pinetab support.
Build-tested for all 160 sunxi boards, and boot tested on a A64, A20,
H3, H6, and H616 board. USB, SD card, eMMC, and Ethernet all work there
(where applicable).
The patch enables spread spectrum clocking (SSC) for MPU and LCD PLLs.
As reported by the TI spruh73x/spruhl7x RM, SSC is only supported for
the DISP/LCD and MPU PLLs on am33xx/am43xx. SSC is not supported for
DDR, PER, and CORE PLLs.
Calculating the required values and setting the registers accordingly
was taken from the set_mpu_spreadspectrum routine contained in the
arch/arm/mach-omap2/am33xx/clock_am33xx.c file of the u-boot project.
In locked condition, DPLL output clock = CLKINP *[M/N]. In case of
SSC enabled, the reference manual explains that there is a restriction
of range of M values. Since the clk_ti_am3_dpll_round_rate() attempts
to select the minimum possible N, the value of M obtained is not
guaranteed to be within the range required. With the new "ti,min-div"
parameter it is possible to increase N and consequently M to satisfy the
constraint imposed by SSC.
Link: https://lore.kernel.org/r/20210606202253.31649-6-dariobin@libero.it
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Since the beginning, all banks have had space for 32 pins, even when
not all pins were implemented. Let's use a single constant for the GPIO
bank size here, like the GPIO driver is already doing.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This clarifies which callers must be updated to complete the DM_GPIO
conversion.
The only remaining caller of name_to_gpio in generic code is inside the
!DM_GPIO block in cmd/gpio.c. DM_GPIO is always selected on sunxi, so
that code cannot be reached. And after this commit, there are only two
remaining implementations of name_to_gpio.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
The only caller of this function was the MMC pinmux code, which used it
to parse a string given from a Kconfig symbol. As the Kconfig symbol has
been converted to a Boolean, this function is no longer needed.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Only one board, Yones Toptech BD1078, actually uses a non-default MMC
pinmux. All other uses of these symbols select the default value or an
invalid value. To simplify things, remove support for the unused pinmux
options, and convert the remaining option to a Boolean.
This allows the pinmux to be chosen by the preprocessor, instead of
having the code parse a string at runtime (for a build-time option!).
Not only does this reduce code size, but it also allows this Kconfig
option to be used in a table-driven DM pinctrl driver.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
The CCU header is only used by the DM drivers, not any platform code.
Its current location adds an artificial dependency on CONFIG_ARM and
ARCH_SUNXI, which will be problematic when adding the CCU driver for
a RISC-V sunxi platform.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Remove the following STV0991 specific configs:
- CONFIG_STV0991 (never used, only defined in CONFIG_SYS_EXTRA_OPTIONS)
- CONFIG_STV0991_HZ (replaced by generic CONFIG_SYS_HZ)
- CONFIG_STV0991_HZ_CLOCK (replaced by generic CONFIG_SYS_HZ_CLOCK)
This patch allows to reduce the file config_whitelist.txt.
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
According to 8MM/MN/MP reference manual, their pad registers only have
4 valid DSE values. And DSE2 and DSE4 are different with current
definitions in iomux-v3.h. Fix the issue to align with manual.
Signed-off-by: Ye Li <ye.li@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
We only include <linux/mtd/rawnand.h> in <nand.h> for the forward
declaration of struct nand_chip, so do that directly. Then, include
<linux/mtd/rawnand.h> where required directly.
Signed-off-by: Tom Rini <trini@konsulko.com>
This converts the following to Kconfig:
CONFIG_SYS_NAND_BAD_BLOCK_POS
In order to do this, introduce a choice for HAS_LARGE/SMALL_BADBLOCK_POS
as those are the only valid values. Use LARGE as the default as no
in-tree boards use SMALL, but it is possible.
Signed-off-by: Tom Rini <trini@konsulko.com>
This converts the following to Kconfig:
CONFIG_SPL_NAND_LOAD
CONFIG_SYS_NAND_BLOCK_SIZE
CONFIG_SYS_NAND_PAGE_SIZE
CONFIG_SYS_NAND_OOBSIZE
Signed-off-by: Tom Rini <trini@konsulko.com>
This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last ARCH_MX25 platform, remove those
references as well.
Cc: Matthias Weisser <weisserm@arcor.de>
Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last armada100 platform, remove that support
as well.
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last mx35 platform, remove that support as
well.
Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Simplify the bootm and the spl code by using the new config
CONFIG_SUPPORT_PASSING_ATAGS.
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This patch enables the use of the optimized memset(), memmove() &
memcpy() versions recently added on ARM64.
Please note that these optimized functions are now only enabled for
recent GCC versions (>= 9.4), as earlier GCC versions throw these
errors:
aarch64-linux-ar: warning: arch/arm/lib/memset-arm64.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000
...
Signed-off-by: Stefan Roese <sr@denx.de>
[trini: Make this default to off as it causes problems on some platforms still]
Signed-off-by: Tom Rini <trini@konsulko.com>
The AT91 RM9200DK board was removed long time ago.
Remove existing references that were not cleaned up.
Fixes: 1c85752258 ("ARM: remove broken "at91rm9200dk" board")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
No iMX platforms have supported ATAG-based booting. They have however
re-used the CONFIG_SERIAL_TAG option as a way to enable support of
reading the OTP fuses and setting the serial# environment variable in
some cases. Change the warp7 support to use this symbol, use this for
updating the rest of the imx7 code, and update the imx8 conditionals.
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP i.MX U-Boot Team <uboot-imx@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Per a request from Andre Przywara and agreed with by Peter Hoyes, the
vexpress aemv8r support wasn't quite ready to be merged, but the
discussion had moved off list. We should keep the first patch in the
series for now, but revert the rest. This reverts the following
commits:
e0bd6f31ce doc: Add documentation for the Arm vexpress board configs
30e5a449e8 arm: Use armv8_switch_to_el1 env to switch to EL1
b53bbca63b vexpress64: Add BASER_FVP vexpress board variant
2f5b7b7490 armv8: Add ARMv8 MPU configuration logic
37a757e227 armv8: Ensure EL1&0 VMSA is enabled
Signed-off-by: Tom Rini <trini@konsulko.com>
The prototype of psci_features() duplicated. Remove extra declaration.
Fixed: e21e3ffdd1 ("psci: Fix warnings when compiling with W=1")
Reported-by: Michael Scott <mike@foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Armv8r64 is the first Armv8 platform that only has a PMSA at the
current exception level. The architecture supplement for Armv8r64
describes new fields in ID_AA64MMFR0_EL1 which can be used to detect
whether a VMSA or PMSA is present. These fields are RES0 on Armv8a.
Add logic to read these fields and, for the protection of the memory
used by U-Boot, initialize the MPU instead of the MMU during init, then
clear the MPU regions before transition to the next stage.
Provide a default (blank) MPU memory map, which can be overridden by
board configurations.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
On Armv8-R, the EL1&0 memory system architecture is configurable as a
VMSA or PMSA, and resets to an "architecturally unknown" value.
Add code to armv8_switch_to_el1_m which detects whether the MSA at
EL1&0 is configurable using the id_aa64mmfr0_el1 register MSA fields.
If it is we must ensure the VMSA is enabled so that a rich OS can boot.
The MSA and MSA_FRAC fields are described in the Armv8-R architecture
profile supplement (section G1.3.7):
https://developer.arm.com/documentation/ddi0600/latest/
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
The use of ARMv8.3 pointer authentication (PAuth) is governed by fields
in HCR_EL2, which trigger a 'trap to EL2' if not enabled. The reset
value of these fields is 'architecturally unknown' so we must ensure
that the fields are enabled (to disable the traps) if we are entering
the kernel at EL1.
The APK field disables PAuth instruction traps and the API field
disables PAuth register traps
Add code to disable the traps in armv8_switch_to_el1_m. Prior to doing
so, it checks fields in the ID_AA64ISAR1_EL1 register to ensure pointer
authentication is supported by the hardware.
The runtime checks require a second temporary register, so add this to
the EL1 transition macro signature and update 2 call sites.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
This converts the following to Kconfig:
CONFIG_SKIP_LOWLEVEL_INIT
CONFIG_SKIP_LOWLEVEL_INIT_ONLY
In order to do this, we need to introduce SPL and TPL variants of these
options so that we can clearly disable these options only in SPL in some
cases, and both instances in other cases.
Signed-off-by: Tom Rini <trini@konsulko.com>
Migrate CONFIG_GICV2 and CONFIG_GICV3 to Kconfig. We still have the GIC
related registers that need to be handled more cleanly but start by
moving this symbol to Kconfig.
Signed-off-by: Tom Rini <trini@konsulko.com>
Convert SYS_I2C_EARLY_INIT to Kconfig, and make it depend on
SPL_SYS_I2C_LEGACY. Remove the weak implementation as it's either
something that needs to exist for real, or shouldn't be called.
Signed-off-by: Tom Rini <trini@konsulko.com>
First, we convert CONFIG_SYS_I2C_LEGACY to Kconfig. Next, as you cannot
have SYS_I2C_LEGACY and DM_I2C at the same time, introduce
CONFIG_SPL_SYS_I2C_LEGACY so that we can enable the legacy option only
in SPL. Finally, for some PowerPC cases we also need
CONFIG_TPL_SYS_I2C_LEGACY support. Convert all of the existing users to
one or more symbols.
Signed-off-by: Tom Rini <trini@konsulko.com>
There is xrdc inside i.MX8ULP, we need to configure permission to make
sure AP non-secure world could access the resources.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Since S400 will set the memory of SPL image to R/X. We can't write
to any data in SPL image.
1. Set the parameters save/restore only for u-boot, not for SPL. to
avoid write data.
2. Not use MU DM driver but directly call MU API to send release XRDC
to S400 at early phase.
3. Configure the SPL image memory of SRAM2 to writable (R/W/X)
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
i.MX8ULP support using ROM API to load container image,
it use same ROM API as i.MX8MN/MP, and use same container format
as i.MX8QM/QXP.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Since the container is shared among i.MX platforms, move its header file
to mach-imx
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Add basic i.MX8ULP support
For the MMU part, Using a simple way the calculate the MMU size to avoid
default heavy calcaulation. And align address and size in the table
settings to 2MB or 4GB as much as possible. So we can reduce the 4K page
allocations in MMU table which will spends much time in create the
page table
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
- Move the PSCI runtime code for H3/A23/A33 into SRAM
- Pick the environment from the actual MMC boot device (SD card vs.
eMMC)
- Plus a small improvement from Icenowy, just for good measure.
So far for the H3, A23, and A33 SoCs, we use DRAM to hold the secure
monitor code (providing PSCI runtime services). And while those SoCs do
not have the secure SRAM B like older SoCs, there is enough (secure)
SRAM A2 to put the monitor code and data in there instead.
Follow the design of 64-bit SoCs and use the first part for the monitor,
and the last 16 KiB for the SCP firmware. With this change, the monitor
no longer needs to reserve a region in DRAM.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
[Andre: amend commit message, fix R40 and V3s build]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
At early U-Boot stage, before relocation, MMU is not yet configured
and disabled. DDR may not be configured with the correct memory
attributes (can be configured in MT_DEVICE instead of MT_MEMORY).
In this case, usage of memcpy_{from, to}io() may leads to synchronous
abort in AARCH64 in case the normal memory address is not 64Bits aligned.
To avoid such situation, forbid usage of normal memory cast to (u64 *) in
case MMU is not enabled.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: mark.kettenis@xs4all.nl
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
It is quite confusing that CONFIG_SYS_I2C selects the legacy I2C and
CONFIG_DM_I2C selects the current I2C. The deadline to migrate I2C is less
than a year away.
Also we want to have a CONFIG_I2C for U-Boot proper just like we have
CONFIG_SPL_I2C for SPL, so we can simplify the Makefile rules.
Rename this symbol so it is clear it is going away.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
CNTFRQ_EL0 is only writable from the highest supported exception
level on the platform. For Armv8-A, this is typically EL3, but
technically EL2 and EL3 are optional so it may need to be
initialized at EL2 or EL1. For Armv8-R, the highest exception
level is always EL2.
This patch moves the initialization outside of the switch_el
block and uses a new macro branch_if_not_highest_el which
dynamically detects whether it is at the highest supported
exception level.
Linux's docs state that CNTFRQ_EL0 should be initialized by the
bootloader. If not set, the the U-Boot prompt countdown hangs.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
- Enabled distro boot for all TI platforms.
- Cleanup for AM335x Guardian Board
- PRUSS rproc on AM65 platform.
- Add PMIC support for J7200
- Misc fixes for Nokia RX-51
# Conflicts:
# arch/arm/mach-omap2/am33xx/Kconfig
