The QorIQ LS2088A SoC is built on layerscape architecture.
It is similar to LS2080A SoC with some differences like
1)Timer controller offset is different
2)It has A72 cores
3)It supports TZASC module
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
LS2080 SoC and its personalities does not support TZASC
But other new SoCs like LS2088A, LS1088A supports TZASC
Hence, skip initializing TZASC for Ls2080A based on SVR
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
TZASC registers like TZASC_GATE_KEEPER, TZASC_REGION_ATTRIBUTES
are 32-bit regsiters.
So while doing register load-store operations, 32-bit intermediate
register, w0 should be used.
Update x0 register to w0 register type.
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Timer controller base address has been changed from
LS2080A SoC (and its personalities) to new SoCs like
LS2088A, LS1088A.
Use SVR based timer base address detection to avoid compile time #ifdef.
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Implement a hook to allow boards to save boot-time CPU state for later
use. When U-Boot is chain-loaded by another bootloader, CPU registers may
contain useful information such as system configuration information. This
feature mirrors the equivalent ARMv7 feature.
Signed-off-by: Cédric Schieli <cschieli@gmail.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
With the move to arch/arm/mach-omap2 there are now very few uses of
CONFIG_OMAP_COMMON and further they can all be replaced with
CONFIG_ARCH_OMAP2, so do so.
Signed-off-by: Tom Rini <trini@konsulko.com>
This moves what was in arch/arm/cpu/armv7/omap-common in to
arch/arm/mach-omap2 and moves
arch/arm/cpu/armv7/{am33xx,omap3,omap4,omap5} in to arch/arm/mach-omap2
as subdirectories. All refernces to the former locations are updated to
the current locations. For the logic to decide what our outputs are,
consolidate the tests into a single config.mk rather than including 4.
Signed-off-by: Tom Rini <trini@konsulko.com>
To start consolidating various TI-related code, introduce the ARCH_OMAP2
symbol. While we have removed omap2-specific boards some time ago,
matching up with the kernel naming here will help overall.
Signed-off-by: Tom Rini <trini@konsulko.com>
Detect the board very early and avoid reading eeprom multiple times.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This is similar to Commit 93e6253d11 ("ARM: OMAP4/5: Centralize
early clock initialization") that was done for OMAP4+, reflecting the same
for AM33xx and AM43xx SoCs to centralize clock initialization.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Add setup_early_clocks that calls setup_clocks_for_console for
ti81xx]
Signed-off-by: Tom Rini <trini@konsulko.com>
Update CONFIG_LS2080A to CONFIG_FSL_LSCH3 to make those workaround
implementing of erratum reusable for more SoCs.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
The patch adds support for Freescale ls1021a-iot board.
Signed-off-by: Feng Li <feng.li_2@nxp.com>
[YS: rewrite commit message, fix whitespace in Kconfig]
Reviewed-by: York Sun <york.sun@nxp.com>
Early system initialization is being done before initf_dm is being called
in U-Boot. Then system will fail to boot if any of the DM enabled driver
is being called in this system initialization code. So, rearrange the
code a bit so that DM enabled drivers can be called during early system
initialization. This is inspired by commit e850ed82bc ("ARM: OMAP4+: Allow
arch specific code to use early DM")
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Set the appropriate bits in the interface config register based
on the SPI_ mode flags.
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Highlights this time around:
- x86 efi_loader support
- hello world efi test case
- network device name is now representative
- terminal output reports modes correctly
- fix psci reset for ls1043/ls1046
- fix efi_add_runtime_mmio definition for x86
- efi_loader support for ls2080
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2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=xmR3
-----END PGP SIGNATURE-----
Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot
Patch queue for efi - 2016-11-17
Highlights this time around:
- x86 efi_loader support
- hello world efi test case
- network device name is now representative
- terminal output reports modes correctly
- fix psci reset for ls1043/ls1046
- fix efi_add_runtime_mmio definition for x86
- efi_loader support for ls2080
When implementing efi loader support, we can expose runtime services
for payloads. One such service is CPU reset.
This patch implements RTS CPU reset support for layerscape systems.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: York Sun <york.sun@nxp.com>
The efi loader code has its own memory map, so it needs to be aware where
the spin tables are located, to ensure that no code writes into those
regions.
Signed-off-by: Alexander Graf <agraf@suse.de>
On ls2080 we have a separate network fabric component which we need to
shut down before we enter Linux (or any other OS). Along with that also
comes configuration of the fabric using a description file.
Today we always stop and configure the fabric in the boot script and
(again) exit it on device tree generation. This works ok for the normal
booti case, but with bootefi the payload we're running may still want to
access the network.
So let's add a new fsl_mc command that defers configuration and stopping
the hardware to when we actually exit U-Boot, so that we can still use
the fabric from an EFI payload.
For existing boot scripts, nothing should change with this patch.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: York Sun <york.sun@nxp.com>
[agraf: Fix x86 build]
The NXP ls1043 and ls1046 systems do not (yet) have PSCI enablement
for reset. Don't enable generic PSCI reset code on them.
Signed-off-by: Alexander Graf <agraf@suse.de>
According to design team, we need to set REFTOP_VBGADJ
in PMU MISC0 according to the REFTOP_TRIM[2:0] fuse. the
actually table is as below:
'000" - set REFTOP_VBGADJ[2:0] to 3'b000
'001" - set REFTOP_VBGADJ[2:0] to 3'b001
'010" - set REFTOP_VBGADJ[2:0] to 3'b010
'011" - set REFTOP_VBGADJ[2:0] to 3'b011
'100" - set REFTOP_VBGADJ[2:0] to 3'b100
'101" - set REFTOP_VBGADJ[2:0] to 3'b101
'110" - set REFTOP_VBGADJ[2:0] to 3'b110
'111" - set REFTOP_VBGADJ[2:0] to 3'b111
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Need to gate ENET clock when switching to a new clock parent, because
the mux is not glitchless.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye.Li <ye.li@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Adding prefetchable memory space to pcie device tree node.
Shifting configuration space to 64-bit address space.
Removing pcie device tree node from amba as it requires size-cells=<2>
in order to access 64-bit address space.
Signed-off-by: Bharat Kumar Gogada <bharatku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Zynqmp DMA driver expects two clocks (main clock and apb clock)
For LPDDMA channels the two clocks are missing in the
Dma node resulting probe failure.
xilinx-zynqmp-dma ffa80000.dma: main clock not found.
xilinx-zynqmp-dma ffa80000.dma: Probing channel failed
xilinx-zynqmp-dma: probe of ffa80000.dma failed with error -2
This patch fixes this issue.
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
LPDDMA default allows only secured access.
inorder to enable these dma channels,
one should ensure that it allows non secure access.
This patch updates the same.
Reported-by: Sai Pavan Boddu <saipava@xilinx.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Use 64bit size cell for main amba bus instead of 32bit because PCIe
node requires it Change 64bit sizes also for all others IPs.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This reverts commit bd750e7a6c
Implemented the new workaround for auto tuning based on
zynqmp compatible string, so removed the 'broken-tuning'
property.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch changes the compatible string for sdhci node,
adds "xlnx,device_id" and "xlnx,mio_bank" property to sdhci node.
Signed-off-by: Sai Krishna Potthuri <lakshmis@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds edac node for arm cortexa53 to report
errors on L1 and L2 caches.
Signed-off-by: Naga Sureshkumar Relli <nagasure@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This reverts commit 786db82bd5.
Since we are using serdes driver , no need of mapping serdes register
space into DP driver.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Tested-by: Hyun Kwon <hyunk@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Each plane can be associated with multiple DMA channels. So add
index for each DMA channel.
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Updating required device tree changes as per mainlined driver
from 4.6 kernel.
Signed-off-by: Bharat Kumar Gogada <bharatku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Previously, it was assumed that there is a 1:1 mapping between
PM ID defined in the platform firmware and a PM domain. However, there
can be a situation where multiple PM IDs belong to a single PM domain
(e.g. PM IDs for GPU and two pixel processors correspond to a single
PM domain).
This patch adds support for assigning more than one PM ID to
a single PM domain.
Updated documentation accordingly.
Assigned pixel processors PM IDs to GPU PM domain.
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
DDR power states are handled by the PM firmware, so this domain is
redundant. Also, since there is no device using this PM domain,
it will be powered off during boot, which is wrong.
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Add dcc to dtsi for supporting system without serial port.
DCC is enabled by default on ZynqMP.
Adding dcc to zcu100 and zcu102 which were tested.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Zynqmp DMA driver expects two clocks (main clock and apb clock)
LPDDMA clock cofiguration is missing for the same in the
zynqmp-clk.dtsi file.
This patch updates for the same.
Reported-by: Sai Pavan Boddu <saipava@xilinx.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
DTC 1.4.2 reports these warnings:
Warning (unit_address_vs_reg): Node /amba_apu has a reg or ranges
property, but no unit name
Warning (unit_address_vs_reg): Node /amba has a reg or ranges property,
but no unit name
Warning (unit_address_vs_reg): Node /amba/usb@fe200000 has a unit name,
but no reg property
Warning (unit_address_vs_reg): Node /amba/usb@fe300000 has a unit name,
but no reg property
Warning (unit_address_vs_reg): Node
/amba/dma@fd4c0000/dma-video0channel@fd4c0000 has a unit name, but no
reg property
Warning (unit_address_vs_reg): Node
/amba/dma@fd4c0000/dma-video1channel@fd4c0000 has a unit name, but no
reg property
Warning (unit_address_vs_reg): Node
/amba/dma@fd4c0000/dma-video2channel@fd4c0000 has a unit name, but no
reg property
Warning (unit_address_vs_reg): Node
/amba/dma@fd4c0000/dma-graphicschannel@fd4c0000 has a unit name, but no
reg property
Warning (unit_address_vs_reg): Node
/amba/dma@fd4c0000/dma-audio0channel@fd4c0000 has a unit name, but no
reg property
Warning (unit_address_vs_reg): Node
/amba/dma@fd4c0000/dma-audio1channel@fd4c0000 has a unit name, but no
reg property
Warning (unit_address_vs_reg): Node /memory has a reg or ranges
property, but no unit name
This patch is fixing them.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
DTC 1.4.2 reports these warnings:
Warning (unit_address_vs_reg): Node /memory has a reg or ranges
property, but no unit name
Warning (unit_address_vs_reg): Node /pmu has a reg or ranges property,
but no unit name
Warning (unit_address_vs_reg): Node /fixedregulator@0 has a unit name,
but no reg property
This patch is fixing them.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Do not setup use_alt bit which copy alternative boot mode to
boot mode. The reason is that this bit is cleared after POR
but not after any software reset which will cause
that after SW reset bootrom will look for different boot image.
This patch setups alternative boot mode selection (purely SW
handling) and extends code to read this alternative boot mode first and
use it if it is setup.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Add support for SD1 with level shifters bootmode.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds support to check the buswidth on nand flash
at runtime based on nand MIO configurations done by FSBL.
User needs to correctly configure the MIO's based on the
buswidth supported by the nand flash which is present on the board.
Added nand8 and nand16 @periph names on slcr driver.
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
The topic-miami SoMs contain a Zynq xc7z015 or xc7z030 SoC, 1GB DDR3L RAM,
32MB QSPI NOR flash and 256MB NAND flash.
The topic-miamiplus SoMs contain a Zynq xc7z035, xc7z045 or xc7z100 SoC,
2x 1GB DDR3L RAM, 64MB dual-parallel QSPI flash, clock sources
and a fan controller.
The "Florida" carrier boards add SD, USB, ethernet and other interfaces.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Add a string description for SYS_VENDOR to allow configuring boards from
other vendors than just "xilinx".
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
The Zynq/ZynqMP boot.bin file contains a region for register initialization
data. Filling in proper values in this table can reduce boot time
(e.g. about 50ms faster on QSPI boot) and also reduce the size of
the SPL binary.
The table is a simple text file with register+data on each line. Other
lines are simply skipped. The file can be passed to mkimage using the
"-R" parameter.
It is recommended to add reg init file to board folder.
For example:
CONFIG_BOOT_INIT_FILE="board/xilinx/zynqmp/xilinx_zynqmp_zcu102/reg.int
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Add support for EFI apps on aarch64. This includes start-up and relocation
code plus a link script.
Signed-off-by: Simon Glass <sjg@chromium.org>
[agraf: add kconfig dep]
Signed-off-by: Alexander Graf <agraf@suse.de>
Add support for EFI apps on ARM. This includes start-up and relocation
code, plus a link script and some compiler setting changes.
Signed-off-by: Simon Glass <sjg@chromium.org>
[agraf: Remove whitespace change, add kconfig dep]
Signed-off-by: Alexander Graf <agraf@suse.de>
Rather than hard-coding the relocation type, add it to the ELF header file
and use it from there.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Update the spi-max-frequency property of m25p80 flash slave to match
that of TI QSPI controller node, so that QSPI operations happen at
maximum supported frequency of 76.8MHz.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Update the PLL initialization sequence to avoid glitches while
programming. User guide for the same is available at[1].
[1] http://www.ti.com/lit/ug/sprugv2h/sprugv2h.pdf
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
While we setup the mmu initially we mark set_section_dcache with
DCACHE_OFF flag. In case of non-LPAE mode the DCACHE_OFF macro
is rightly defined with TTB_SECT_XN_MASK set so as to mark all the
4GB XN. In case of LPAE mode XN(Execute-never) bit is not set with
DCACHE_OFF. Hence XN bit is not set by default for DCACHE_OFF which
keeps all the regions execute okay and this leads to random speculative
fetches in random memory regions which was eventually caught by kernel
omap-l3-noc driver.
Fix this to mark the regions as XN by default.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
An SMC call is required for all cache-wide operations on Tegra186. This
patch implements the two missing hooks now that U-Boot supports them, and
fixes the mapping of "hook name" to SMC call code.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
SoC-specific logic may be required for all forms of cache-wide
operations; invalidate and flush of both dcache and icache (note that
only 3 of the 4 possible combinations make sense, since the icache never
contains dirty lines). This patch adds an optional hook for all
implemented cache-wide operations, and renames the one existing hook to
better represent exactly which operation it is implementing. A dummy
no-op implementation of each hook is provided.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
When performing a cache disable function, code must not access DRAM.
That is because when the cache is disabled, it will be bypassed and all
loads and stores will be serviced by RAM. This prevents accessing any
dirty data in the cache. In turn, this means the stack cannot be
used, since that is in RAM. To guarantee that code doesn't use RAM (and
in particular the stack) __asm_flush_l3_cache() must be manually
implemented in assembly, rather than implemented in C since the compiler
won't know not to touch RAM.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
nvtboot_boot_x0 is a 64-bit variable and hence must be 64-bit aligned.
So far this has happened by accident! Fix the code so this is guaranteed.
This fixes the following build error:
... relocation truncated to fit: R_AARCH64_LDST64_ABS_LO12_NC
against symbol `nvtboot_boot_x0' ...
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Enable the Ethernet device in DT, provide board-specific configuration,
and enable the driver in Kconfig.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Tegra186 includes a Synopsys DWC EQoS (Ethernet) device. Add this to the
Tegra186 SoC DT so that boards can make use of it.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
On Tegra186, the bootloader which runs before U-Boot passes the Ethernet
MAC address to U-Boot using device tree. Extract this value and write it
to the environment, so that the Ethernet uclass picks it up and uses it
for the built-in Ethernet device.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Extend the Tegra186 implementation of board_late_init() to call a per-SoC
"hook" function. This will allow SoC-specific (rather than Tegra-wide)
functionality to be implemented without the core Tegra code needing to be
aware of the details. While board186.c is currently only used for
Tegra186, it should be applicable to any other future SoC, and perhaps its
simple design could be back-ported to older SoCs in the future too.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
For 64-bit ARM systems we provide just a timer_read_counter()
implementation and rely on the generic non-uclass get_ticks() function
in lib/time.c to call the former.
However this function is actually not 64-bit safe, as it assumes a
"long" to be 32-bit. Beside the fact that the resulting uint64_t
isn't bigger than "long" on 64-bit architectures and thus combining two
counters makes no sense, we get all kind of weird results when we try
to OR in the high value shifted by _32_ bits.
So let's avoid that function at all and provide a straight forward
get_ticks() implementation for ARMv8, which also is in line with ARMv7.
This fixes occasional immediate time-out expiration issues I see on the
Pine64 board. The root cause of this needs to be investigated, but this
fix looks like the right thing anyway.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Cover-Letter: Fixes several spelling errors for the words "resetting",
"extended", "occur", and "multiple".
Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
SPL_MMC_SUPPORT defined in rockchip top level Kconfig instead of
inside rk3288 and default to disable if ROCKCHIP_SPL_BACK_TO_BROM
defined.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Since we implement the dram capacity auto detect, we don't
need to set the channel number and sdram-channel in dts.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Tested-by: Vagrant Cascadian <vagrant@debian.org>
Add support for rk3288 dram capacity auto detect, support DDR3 and
LPDDR3, DDR2 is not supported.
The program will automatically detect:
- channel number
- rank number
- column address number
- row address number
The dts file do not need to describe those info after apply this patch.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Simon Glass <sjg@chromium.org>
Tested-by: Vagrant Cascadian <vagrant@debian.org>
Tested-by: Vagrant Cascadian <vagrant@debian.org>
The Clock Multiplier in rk3399 EMMC programmable clock generator
is broken, we can remove its support from SoC GRF register.
Without this patch, rk3399 emmc driver is not work after below patch
applied:
6dffdbc mmc: sdhci: Add the programmable clock mode support
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
This function is called from outside the driver. It should be placed into
common SoC code. Move it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This function is called from outside the driver. It should be placed into
common SoC code. Move it.
Also rename the driver symbol to be more consistent with the other rockchip
clock drivers.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This function is called from outside the driver. It should be placed into
common SoC code. Move it.
Also rename the driver symbol to be more consistent with the other rockchip
clock drivers.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Mostly by adding MACH_SUN50I to some existing #ifdefs enable support
for the the HCI0 USB host controller on the A64.
Fix up some minor 64-bit hiccups on the way.
Add the bare minimum DT bits to the A64 .dtsi and enable the controllers
and the PHY on the Pine64.
This is limited to the first USB controller at the moment, which is
connected to the lower USB socket on the Pine64 board.
[Andre: remove unneeded defines, enable OHCI, add commit message]
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The A80 has SID e-fuses. Like other newer SoCs, the actual e-fuses
are at an offset of 0x200 within the SID address space.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The sun8i-emac driver works fine with the A64 Ethernet IP, but we are
missing an alias entry to trigger the driver instantiation by U-Boot.
Add the line to point U-Boot to the Ethernet DT node.
This enables TFTP boot on the Pine64.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
CONFIG_SUNXI -> CONFIG_ARCH_SUNXI
and removed CONFIG_SUNIX from config_whitelist.txt
Cc: Simon Glass <sjg@chromium.org>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This is a cleaned up version set_pll() from Allwinner's boot0 source
(bootloader/basic_loader/bsp/bsp_for_a80/common/common.c).
[wens@csie.org: Added commit message; style cleanup]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Since the A80 has many cores which we intend to use in SMP fashion,
we should set the SMP bit for the boot CPU.
[wens@csie.org: Added commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On sun9i, the GTBUS manages transaction priority and bandwidth
for multiple read ports when accessing DRAM. The initialisation
mirrors the settings from Allwinner's boot0 for now, even though
this may not be optimal for all applications (e.g. headless
systems might want to give priority to IO modules).
Adding a common callout to gtbus_init() from the SPL clock init
with a weakly defined implementation in sunxi/clock.c to fallback
to for platforms that don't require this.
[wens@csie.org: Moved gtbus_sun9i.c to arch/arm/mach-sunxi/; style cleanup]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This adds DRAM initialisation code for sun9i, which calculates the
appropriate timings based on timing information for the supplied
DDR3 bin and the clock speeds used.
With this DRAM setup, we have verified DDR3 clocks of up to 792MHz
(i.e. DDR3-1600) on the A80-Q7 using a dual-channel configuration.
[wens@csie.org: Moved dram_sun9i.c to arch/arm/mach-sunxi/; style cleanup]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
[hdegoede@redhat.com: Drop some huge non-documenting #if 0 ... #endif blocks]
[hdegoede@redhat.com: Fix checkpatch warnings]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add the LD11 SoC data and adjuts the printf() format because this is
a 64-bit SoC. Otherwise, 16-digits pointer addresses would break
the log format.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Do not hard-code the number of DX blocks because it is a different
value for LD11 SoC.
Move the macro NR_DATX8_PER_DDRPHY to ddrphy-training.c since it
is the last user.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The DDR PHY register view of LD11 is slightly different from that
of LD4/Pro4/sLD8, but it will be possible to share the register
macros (and I want to re-use as much code as possible). Change
the code in the more flexible form.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The USB boot without the stand-by MPU is available on ES3 or later
of LD11 SoC, but the code in this if-conditional block must not be
run when booting from USB. Check if the boot device is USB, and
skip the code in the case.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
At the moment, the clk driver is not clever enough to automatically
enable parent clocks like Linux. Enable the STDMAC clock explicitly
if USB is enabled.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This PHY might be used for other SoCs in the future.
Avoid including the SoC name in the header name.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The environment fdt_file is useful to remember the appropriate DTB
file name. Adjust it to the recent renaming in the upstream kernel.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Fix the warning from dtc like,
---8<----
Warning (unit_address_vs_reg): Node /ahb/apb/pmc@f0014000/periph64ck/sdmmc0_hclk has a reg or ranges property, but no unit name
--->8----
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
add at least icache support for at91 based boards.
This speeds up NOR flash access on an at91sam9g15
based board from 15.2 seconds reading 8 MiB from
a SPI NOR flash to 5.7 seconds.
Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
on at91sam9x5 PRES offset is 4 in the PMC master
clock register.
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Andreas Bießmann <andreas@biessmann.org>
To enable configuration of sdr.ctrlcfg.extratime1 register which enable
extra clocks for read to write command timing. This is critical to
ensure successful LPDDR2 interface
Signed-off-by: Chin Liang See <clsee@altera.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
i.CoreM6 Quad/Dual modules are system on module solutions
manufactured by Engicam with following characteristics:
CPU NXP i.MX6 DQ, 800MHz
RAM 1GB, 32, 64 bit, DDR3-800/1066
NAND SLC,512MB
Power supply Single 5V
MAX LCD RES FULLHD
and more info at
http://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add imx6q pinctrl defines support from Linux.
Here is the last commit:
"ARM: dts: imx: pinfunc: add MX6QDL_PAD_GPIO_6__ENET_IRQ"
(sha1: d8c765e0d1ddbd5032c2491c82cc9660c2f0e7f2)
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add i.MX6Q dtsi support from Linux.
Here is the last commit:
"ARM: dts: add gpio-ranges property to iMX GPIO controllers"
(sha1: bb728d662bed0fe91b152550e640cb3f6caa972c)
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add DM_GPIO, DM_MMC support for u-boot and disable for SPL.
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
i.CoreM6 DualLite/Solo modules are system on module solutions
manufactured by Engicam with following characteristics:
CPU NXP i.MX6 DL, 800MHz
RAM 1GB, 32, 64 bit, DDR3-800/1066
NAND SLC,512MB
Power supply Single 5V
MAX LCD RES FULLHD
and more info at
http://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add imx6dl pinctrl defines support from Linux.
Here is the last commit:
"ARM: dts: imx: pinfunc: add MX6QDL_PAD_GPIO_6__ENET_IRQ"
(sha1: d8c765e0d1ddbd5032c2491c82cc9660c2f0e7f2)
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add i.MX6DQL dtsi support from Linux.
Here is the last commit:
"ARM: dts: imx6qdl: Fix SPDIF regression"
(sha1: f065e9e4addd75c21bb976bb2558648bf4f61de6)
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Add i.MX6DL dtsi support from Linux.
Here is the last commit:
"ARM: dts: add gpio-ranges property to iMX GPIO controllers"
(sha1: bb728d662bed0fe91b152550e640cb3f6caa972c)
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Boot Log for i.CoreM6 DualLite/Solo Starter Kit:
-----------------------------------------------
U-Boot SPL 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46)
Trying to boot from MMC1
U-Boot 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46 +0530)
CPU: Freescale i.MX6SOLO rev1.3 at 792MHz
CPU: Industrial temperature grade (-40C to 105C) at 31C
Reset cause: POR
DRAM: 256 MiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
Net: CPU Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
switch to partitions #0, OK
mmc0 is current device
reading boot.scr
** Unable to read file boot.scr **
reading zImage
6741808 bytes read in 341 ms (18.9 MiB/s)
Booting from mmc ...
reading imx6dl-icore.dtb
30600 bytes read in 19 ms (1.5 MiB/s)
Booting using the fdt blob at 0x18000000
Using Device Tree in place at 18000000, end 1800a787
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
Boot Log for i.CoreM6 Quad/Dual Starter Kit:
--------------------------------------------
U-Boot SPL 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46)
Trying to boot from MMC1
U-Boot 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46 +0530)
CPU: Freescale i.MX6Q rev1.2 at 792MHz
CPU: Industrial temperature grade (-40C to 105C) at 28C
Reset cause: POR
DRAM: 512 MiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
Net: CPU Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot: 0
icorem6qdl>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Commit b02e4044ff ("libfdt: Bring in upstream stringlist
functions") broke codying style in some places especially
by inserting an extra whitespace before fdt_stringlist_count().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>
If CONFIG_USE_IMXIMG_PLUGIN is selected, plugin.bin will be
generated under board/$(BOARDDIR)/.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Add mx7_plugin.S which calls boot rom setup function, generate the second ivt,
and jump back to boot rom.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Add mx6_plugin.S which calls boot rom setup function, generate the second ivt,
and jump back to boot rom.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Utkarsh Gupta <utkarsh.gupta@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Utkarsh Gupta <utkarsh.gupta@nxp.com>
Highlights this time around:
- Add run time service (power control) support for PSCI (fixed in v3)
- Add efi gop pointer exposure
- SMBIOS support for EFI (on ARM)
- efi pool memory unmap support (needed for 4.8)
- initial x86 efi payload support (fixed up in v2)
- various bug fixes
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2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=peNm
-----END PGP SIGNATURE-----
Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot
Patch queue for efi - 2016-10-19
Highlights this time around:
- Add run time service (power control) support for PSCI (fixed in v3)
- Add efi gop pointer exposure
- SMBIOS support for EFI (on ARM)
- efi pool memory unmap support (needed for 4.8)
- initial x86 efi payload support (fixed up in v2)
- various bug fixes
Signed-off-by: Tom Rini <trini@konsulko.com>
Conflicts:
include/tables_csum.h
Compiler attributes are more commonly __foo style tags rather than big
upper case eye sores like EFI_RUNTIME_TEXT.
Simon Glass felt quite strongly about this, so this patch converts our
existing defines over to more eye friendly ones.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Now that we have generic PSCI reset and shutdown support in place, we can
advertise those as EFI Run Time Services, allowing efi applications and
OSs to reset and shut down systems.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Most armv8 systems have PSCI support enabled in EL3, either through
ARM Trusted Firmware or other firmware.
On these systems, we do not need to implement system reset manually,
but can instead rely on higher level firmware to deal with it.
The exclude list seems excessive right now, but NXP is working on
providing an in-tree PSCI implementation, so that all NXP systems
can eventually use PSCI as well.
Signed-off-by: Alexander Graf <agraf@suse.de>
[agraf: fix meson]
Reviewed-by: Simon Glass <sjg@chromium.org>
Using PSCI you can not only reset the system, you can also shut it down!
This patch exposes a function to do exactly that to whatever code wants
to make use of it.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
All systems that are running on armv8 are running bare metal with firmware
that implements PSCI running in EL3. That means we don't really need to expose
the hypercall variants of them.
This patch leaves the code in, but makes the code explicit enough to have the
compiler optimize it out. With this we don't need to worry about hvc vs smc
calling convention when calling psci helper functions.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit "2bb014820c49a63902103bac710bc86b5772e843"
do some clean up to use the code in lib/time.c.
But usec2ticks is still being used by security related job ring code.
Bring back the function to avoid build break when CONFIG_FSL_CAAM
is defined.
The computation logic has been changed, using 64-bit variable
to ease the process, making it work on older (MX5) platforms.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Jon Master reports that QEMU refuses to load a U-Boot image built
with CONFIG_ARMV7_NONSEC, but without CONFIG_ARMV7_PSCI since
commit 5a3aae68c7 ("ARM: armv7: guard memory reserve for PSCI
with #ifdef CONFIG_ARMV7_PSCI").
It looks like only PSCI that needs the Secure stack, so move
the #ifdef to guard the whole of .secure_stack allocation in order
not to create the empty section.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reported-by: Jon Masters <jcm@redhat.com>
Link: http://patchwork.ozlabs.org/patch/664025/
The signature for this macro has changed. Bring in the upstream version and
adjust U-Boot's usages to suit.
Signed-off-by: Simon Glass <sjg@chromium.org>
Update to drivers/power/pmic/palmas.c:
Signed-off-by: Keerthy <j-keerthy@ti.com>
Change-Id: I6cc9021339bfe686f9df21d61a1095ca2b3776e8
These have now landed upstream. The naming is different and in one case the
function signature has changed. Update the code to match.
This applies the following upstream commits by
Thierry Reding <treding@nvidia.com> :
604e61e fdt: Add functions to retrieve strings
8702bd1 fdt: Add a function to get the index of a string
2218387 fdt: Add a function to count strings
Signed-off-by: Simon Glass <sjg@chromium.org>
