- update unwinder to cope with module PLTs
- enable UBSAN on ARM
- improve kernel fault message
- update UEFI runtime page tables dump
- avoid clang's __aeabi_uldivmod generated in NWFPE code
- disable FIQs on CPU shutdown paths
- update XOR register usage
- a number of build updates (using .arch, thread pointer,
removal of lazy evaluation in Makefile)
- conversion of stacktrace code to stackwalk
- findbit assembly updates
- hwcap feature updates for ARMv8 CPUs
- instruction dump updates for big-endian platforms
- support for function error injection
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- update unwinder to cope with module PLTs
- enable UBSAN on ARM
- improve kernel fault message
- update UEFI runtime page tables dump
- avoid clang's __aeabi_uldivmod generated in NWFPE code
- disable FIQs on CPU shutdown paths
- update XOR register usage
- a number of build updates (using .arch, thread pointer, removal of
lazy evaluation in Makefile)
- conversion of stacktrace code to stackwalk
- findbit assembly updates
- hwcap feature updates for ARMv8 CPUs
- instruction dump updates for big-endian platforms
- support for function error injection
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (31 commits)
ARM: 9279/1: support function error injection
ARM: 9277/1: Make the dumped instructions are consistent with the disassembled ones
ARM: 9276/1: Refactor dump_instr()
ARM: 9275/1: Drop '-mthumb' from AFLAGS_ISA
ARM: 9274/1: Add hwcap for Speculative Store Bypassing Safe
ARM: 9273/1: Add hwcap for Speculation Barrier(SB)
ARM: 9272/1: vfp: Add hwcap for FEAT_AA32I8MM
ARM: 9271/1: vfp: Add hwcap for FEAT_AA32BF16
ARM: 9270/1: vfp: Add hwcap for FEAT_FHM
ARM: 9269/1: vfp: Add hwcap for FEAT_DotProd
ARM: 9268/1: vfp: Add hwcap FPHP and ASIMDHP for FEAT_FP16
ARM: 9267/1: Define Armv8 registers in AArch32 state
ARM: findbit: add unwinder information
ARM: findbit: operate by words
ARM: findbit: convert to macros
ARM: findbit: provide more efficient ARMv7 implementation
ARM: findbit: document ARMv5 bit offset calculation
ARM: 9259/1: stacktrace: Convert stacktrace to generic ARCH_STACKWALK
ARM: 9258/1: stacktrace: Make stack walk callback consistent with generic code
ARM: 9265/1: pass -march= only to compiler
...
Similar to commit a6c30873ee ("ARM: 8989/1: use .fpu assembler
directives instead of assembler arguments").
GCC and GNU binutils support setting the "sub arch" via -march=,
-Wa,-march, target function attribute, and .arch assembler directive.
Clang was missing support for -Wa,-march=, but this was implemented in
clang-13.
The behavior of both GCC and Clang is to
prefer -Wa,-march= over -march= for assembler and assembler-with-cpp
sources, but Clang will warn about the -march= being unused.
clang: warning: argument unused during compilation: '-march=armv6k'
[-Wunused-command-line-argument]
Since most assembler is non-conditionally assembled with one sub arch
(modulo arch/arm/delay-loop.S which conditionally is assembled as armv4
based on CONFIG_ARCH_RPC, and arch/arm/mach-at91/pm-suspend.S which is
conditionally assembled as armv7-a based on CONFIG_CPU_V7), prefer the
.arch assembler directive.
Add a few more instances found in compile testing as found by Arnd and
Nathan.
Link: 1d51c699b9
Link: https://bugs.llvm.org/show_bug.cgi?id=48894
Link: https://github.com/ClangBuiltLinux/linux/issues/1195
Link: https://github.com/ClangBuiltLinux/linux/issues/1315
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
The drivers branch for 6.1 is a bit larger than for most releases. Most
of the changes come from SoC maintainers for the drivers/soc subsystem:
- A new driver for error handling on the NVIDIA Tegra
'control backbone' bus.
- A new driver for Qualcomm LLCC/DDR bandwidth measurement
- New Rockchip rv1126 and rk3588 power domain drivers
- DT binding updates for memory controllers, older Rockchip
SoCs, various Mediatek devices, Qualcomm SCM firmware
- Minor updates to Hisilicon LPC bus, the Allwinner SRAM
driver, the Apple rtkit firmware driver, Tegra firmware
- Minor updates for SoC drivers (Samsung, Mediatek, Renesas,
Tegra, Qualcomm, Broadcom, NXP, ...)
There are also some separate subsystem with downstream maintainers that
merge updates this way:
- Various updates and new drivers in the memory controller
subsystem for Mediatek and Broadcom SoCs
- Small set of changes in preparation to add support for FF-A
v1.1 specification later, in the Arm FF-A firmware subsystem
- debugfs support in the PSCI firmware subsystem
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Merge tag 'arm-drivers-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"The drivers branch for 6.1 is a bit larger than for most releases.
Most of the changes come from SoC maintainers for the drivers/soc
subsystem:
- A new driver for error handling on the NVIDIA Tegra 'control
backbone' bus.
- A new driver for Qualcomm LLCC/DDR bandwidth measurement
- New Rockchip rv1126 and rk3588 power domain drivers
- DT binding updates for memory controllers, older Rockchip SoCs,
various Mediatek devices, Qualcomm SCM firmware
- Minor updates to Hisilicon LPC bus, the Allwinner SRAM driver, the
Apple rtkit firmware driver, Tegra firmware
- Minor updates for SoC drivers (Samsung, Mediatek, Renesas, Tegra,
Qualcomm, Broadcom, NXP, ...)
There are also some separate subsystem with downstream maintainers
that merge updates this way:
- Various updates and new drivers in the memory controller subsystem
for Mediatek and Broadcom SoCs
- Small set of changes in preparation to add support for FF-A v1.1
specification later, in the Arm FF-A firmware subsystem
- debugfs support in the PSCI firmware subsystem"
* tag 'arm-drivers-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (149 commits)
ARM: remove check for CONFIG_DEBUG_LL_SER3
firmware/psci: Add debugfs support to ease debugging
firmware/psci: Print a warning if PSCI doesn't accept PC mode
dt-bindings: memory: snps,dw-umctl2-ddrc: Extend schema with IRQs/resets/clocks props
dt-bindings: memory: snps,dw-umctl2-ddrc: Replace opencoded numbers with macros
dt-bindings: memory: snps,dw-umctl2-ddrc: Use more descriptive device name
dt-bindings: memory: synopsys,ddrc-ecc: Detach Zynq DDRC controller support
soc: sunxi: sram: Add support for the D1 system control
soc: sunxi: sram: Export the LDO control register
soc: sunxi: sram: Save a pointer to the OF match data
soc: sunxi: sram: Return void from the release function
soc: apple: rtkit: Add apple_rtkit_poll
soc: imx: add i.MX93 media blk ctrl driver
soc: imx: add i.MX93 SRC power domain driver
soc: imx: imx8m-blk-ctrl: Use genpd_xlate_onecell
soc: imx: imx8mp-blk-ctrl: handle PCIe PHY resets
soc: imx: imx8m-blk-ctrl: add i.MX8MP VPU blk ctrl
soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV_MWR
soc: imx: add icc paths for i.MX8MP hsio/hdmi blk ctrl
soc: imx: add icc paths for i.MX8MP media blk ctrl
...
Commit 9a073d4fbb ("soc: bcm: brcmstb: biuctrl: Add missing
of_node_put()") added what was thought to be a missing of_node_put() but
now causes a double of_node_put() to be called, once from
setup_hifcpubiuctrl_regs() and another time from brcmstb_biuctrl_init().
Ensure that setup_hifcpubiuctrl_regs() is not calling of_node_put()
since it is not obvious it does that on one of its parameters.
Fixes: 9a073d4fbb ("soc: bcm: brcmstb: biuctrl: Add missing of_node_put()")
Reported-by: Jim Quinlan <jim2101024@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Change-Id: I1c405c36c2f06c8b8c0f684143b7a52db7e809f0
In brcmstb_pm_probe(), there are two kinds of leak bugs:
(1) we need to add of_node_put() when for_each__matching_node() breaks
(2) we need to add iounmap() for each iomap in fail path
Fixes: 0b741b8234 ("soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220707015620.306468-1-windhl@126.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
With Broadcom Broadband arch ARCH_BCMBCA supported in the kernel, this
patch series migrate the ARCH_BCM4908 symbol to ARCH_BCMBCA. Hence
replace ARCH_BCM4908 with ARCH_BCMBCA in subsystem Kconfig files.
Signed-off-by: William Zhang <william.zhang@broadcom.com>
Acked-by: Guenter Roeck <linux@roeck-us.net> (for watchdog)
Acked-by: Bjorn Helgaas <bhelgaas@google.com> (for drivers/pci)
Acked-by: Wolfram Sang <wsa@kernel.org> (for i2c)
Acked-by: Philipp Zabel <p.zabel@pengutronix.de> (for reset)
Link: https://lore.kernel.org/r/20220803175455.47638-7-william.zhang@broadcom.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The panic notifier of this driver is very simple code-wise, just a
memory write to a special position with some numeric code. But this
is not clear from the semantic point-of-view, and there is no public
documentation about that either.
After discussing this in the mailing-lists [0] and having Florian
explained it very well, document that in the code for the future
generations asking the same questions. Also, while at it, remove
a useless header.
[0] https://lore.kernel.org/lkml/781cafb0-8d06-8b56-907a-5175c2da196a@gmail.com
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Doug Berger <opendmb@gmail.com>
Cc: Justin Chen <justinpopo6@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Markus Mayer <mmayer@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20220719195325.402745-5-gpiccoli@igalia.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
pull the following:
- Julia fixes a typo in the Broadcom STB legacy power management code
- Liang fixes a device_node reference count leak in the Broadcom STB BIU
driver code error path(s)
- Nicolas and Stefan provide updates to the BCM2835 power management
driver allowing its use on BCM2711 (Raspberry Pi 4) and to enable the
use of the V3D GPU driver on such platforms. This is a merge of an
immutable branch from Lee Jones' MFD tree
- William removes the use of CONFIG_ARCH_BCM_63XX which is removed and
replaces the dependencies with CONFIG_ARCH_BCMBCA which is how all of
the DSL/PON SoCs from Broadcom are now supported in the upstream
kernel.
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Merge tag 'arm-soc/for-5.20/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom SoC drivers updatse for 5.20, please
pull the following:
- Julia fixes a typo in the Broadcom STB legacy power management code
- Liang fixes a device_node reference count leak in the Broadcom STB BIU
driver code error path(s)
- Nicolas and Stefan provide updates to the BCM2835 power management
driver allowing its use on BCM2711 (Raspberry Pi 4) and to enable the
use of the V3D GPU driver on such platforms. This is a merge of an
immutable branch from Lee Jones' MFD tree
- William removes the use of CONFIG_ARCH_BCM_63XX which is removed and
replaces the dependencies with CONFIG_ARCH_BCMBCA which is how all of
the DSL/PON SoCs from Broadcom are now supported in the upstream
kernel.
* tag 'arm-soc/for-5.20/drivers' of https://github.com/Broadcom/stblinux:
tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
phy: brcm-sata: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
i2c: brcmstb: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
ata: ahci_brcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
soc: bcm: bcm2835-power: Bypass power_on/off() calls
soc: bcm: bcm2835-power: Add support for BCM2711's RPiVid ASB
soc: bcm: bcm2835-power: Resolve ASB register macros
soc: bcm: bcm2835-power: Refactor ASB control
mfd: bcm2835-pm: Add support for BCM2711
mfd: bcm2835-pm: Use 'reg-names' to get resources
soc: bcm: brcmstb: biuctrl: Add missing of_node_put()
soc: bcm: brcmstb: pm: pm-arm: fix typo in comment
Link: https://lore.kernel.org/r/20220711164451.3542127-6-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Bypass power_on/power_off() when running on BCM2711 as they are not
needed.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220625113619.15944-12-stefan.wahren@i2se.com
In BCM2711 the new RPiVid ASB took over V3D. The old ASB is still present
with the ISP and H264 bits, and V3D is in the same place in the new ASB
as the old one.
Use the fact that 'pm->rpivid_asb' is populated as a hint that we're on
BCM2711.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220625113619.15944-11-stefan.wahren@i2se.com
The macros in order to access the ASB registers have a hard coded base
address. So extending them for other platforms would make them harder
to read. As a solution resolve these macros.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220625113619.15944-10-stefan.wahren@i2se.com
The functions to control the async AXI bridges are almost identical.
So define a general function to handle it and keep the original ones as
wrapper. This should make this driver easier to extend.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220625113619.15944-9-stefan.wahren@i2se.com
In brcmstb_biuctrl_init(), of_find_compatible_node() will return a
node pointer with refcount incremented. We should use of_node_put()
in each fail path or when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
In brcmstb_init_sram, it pass dn to of_address_to_resource(),
of_address_to_resource() will call of_find_device_by_node() to take
reference, so we should release the reference returned by
of_find_matching_node().
Fixes: 0b741b8234 ("soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
As the potential failure of allocation, devm_kzalloc() may return NULL. Then
the 'pd->pmb' and the follow lines of code may bring null pointer dereference.
Therefore, it is better to check the return value of devm_kzalloc() to avoid
this confusion.
Fixes: 8bcac4011e ("soc: bcm: add PM driver for Broadcom's PMB")
Signed-off-by: QintaoShen <unSimple1993@163.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Fix following coccicheck warning:
./drivers/soc/bcm/brcmstb/pm/pm-mips.c:404:1-23: WARNING: Function
for_each_matching_node should have of_node_put() before goto or break
Early exits from for_each_matching_node should decrement the
node reference counter.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
72116 uses a quad core Brahma-B53 CPU complex which uses the same tuning
as done for previous chips, add that chip to the list.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
72113 uses a dual core Cortex-A72 CPU complex which requires tuning of
its bus interface unit the same way that the existing Cortex-A72 based
systems are tuned.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
- Reset controllers: Adding support for Microchip Sparx5 Switch.
- Memory controllers: ARM Primecell PL35x SMC memory controller
driver cleanups and improvements.
- i.MX SoC drivers: Power domain support for i.MX8MM and i.MX8MN.
- Rockchip: RK3568 power domains support + DT binding updates,
cleanups.
- Qualcomm SoC drivers: Amend socinfo with more SoC/PMIC details,
including support for MSM8226, MDM9607, SM6125 and SC8180X.
- ARM FFA driver: "Firmware Framework for ARMv8-A", defining
management interfaces and communication (including bus model)
between partitions both in Normal and Secure Worlds.
- Tegra Memory controller changes, including major rework to deal
with identity mappings at boot and integration with ARM SMMU
pieces.
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Merge tag 'arm-drivers-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Olof Johansson:
- Reset controllers: Adding support for Microchip Sparx5 Switch.
- Memory controllers: ARM Primecell PL35x SMC memory controller driver
cleanups and improvements.
- i.MX SoC drivers: Power domain support for i.MX8MM and i.MX8MN.
- Rockchip: RK3568 power domains support + DT binding updates,
cleanups.
- Qualcomm SoC drivers: Amend socinfo with more SoC/PMIC details,
including support for MSM8226, MDM9607, SM6125 and SC8180X.
- ARM FFA driver: "Firmware Framework for ARMv8-A", defining management
interfaces and communication (including bus model) between partitions
both in Normal and Secure Worlds.
- Tegra Memory controller changes, including major rework to deal with
identity mappings at boot and integration with ARM SMMU pieces.
* tag 'arm-drivers-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (120 commits)
firmware: turris-mox-rwtm: add marvell,armada-3700-rwtm-firmware compatible string
firmware: turris-mox-rwtm: show message about HWRNG registration
firmware: turris-mox-rwtm: fail probing when firmware does not support hwrng
firmware: turris-mox-rwtm: report failures better
firmware: turris-mox-rwtm: fix reply status decoding function
soc: imx: gpcv2: add support for i.MX8MN power domains
dt-bindings: add defines for i.MX8MN power domains
firmware: tegra: bpmp: Fix Tegra234-only builds
iommu/arm-smmu: Use Tegra implementation on Tegra186
iommu/arm-smmu: tegra: Implement SID override programming
iommu/arm-smmu: tegra: Detect number of instances at runtime
dt-bindings: arm-smmu: Add Tegra186 compatible string
firmware: qcom_scm: Add MDM9607 compatible
soc: qcom: rpmpd: Add MDM9607 RPM Power Domains
soc: renesas: Add support to read LSI DEVID register of RZ/G2{L,LC} SoC's
soc: renesas: Add ARCH_R9A07G044 for the new RZ/G2L SoC's
dt-bindings: soc: rockchip: drop unnecessary #phy-cells from grf.yaml
memory: emif: remove unused frequency and voltage notifiers
memory: fsl_ifc: fix leak of private memory on probe failure
memory: fsl_ifc: fix leak of IO mapping on probe failure
...
kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.
There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain
At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.
[akpm@linux-foundation.org: thread_info.h needs limits.h]
[andriy.shevchenko@linux.intel.com: ia64 fix]
Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com
Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Co-developed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Helge Deller <deller@gmx.de> # parisc
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
changes for 5.13, please pull the following:
- Rafal updates the Broadcom PMB binding to support BCM63138 and updates
the code to support resetting the 63138 SATA controller
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Merge tag 'arm-soc/for-5.13/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom ARM/ARM64/MIPS based SoCs drivers
changes for 5.13, please pull the following:
- Rafal updates the Broadcom PMB binding to support BCM63138 and updates
the code to support resetting the 63138 SATA controller
* tag 'arm-soc/for-5.13/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: bcm-pmb: add BCM63138 SATA support
dt-bindings: power: bcm-pmb: add BCM63138 binding
Link: https://lore.kernel.org/r/20210330184006.1451315-3-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
BCM63138 has SATA controller that needs to be powered up using PMB.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Use devm_rpi_firmware_get() so as to make sure we release RPi's firmware
interface when unbinding the device.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
We have no in tree or out of tree users of this function, remove it and
the header providing its prototype.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
PMB originally comes from BCM63138 but can be also found on many other
chipsets (e.g. BCM4908). It's needed to power on and off SoC blocks like
PCIe, SATA, USB.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
brcmstb_pm_s3_finish() cannot be made static because it is referenced
from brcmstb_pm_s3(), so let's provide a prototype for it instead.
Fixes the following W=1 kernel build warning(s):
drivers/soc/bcm/brcmstb/pm/pm-arm.c:395:14: warning: no previous prototype for ‘brcmstb_pm_s3_finish’ [-Wmissing-prototypes]
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Change the RACPREFDATA(x) setting to prefetch the next 256-byte line
after 4 consecutive lines have been used, instead of after 2 consecutive
lines. This does improve the synthetic memcpy benchmark by an additional
+0.5% on top of the previous change for Cortex-A72 CPUs.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Change the RAC prefetch distance from +/- 1 to +/- 2 for Cortex-A72 CPUs
since this provides an average of a 3.8% performance increase for
synthetic memcpy benchmarks.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
72165 uses a Brahma-B53 CPU and its Bus Interface Unit, tune it
according to the existing values we have.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
72164 uses a Brahma-B53 CPU and its Bus Interface Unit, tune it
according to the existing values we have.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
BCM6318, BCM6328, BCM6362 and BCM63268 SoCs have a power domain controller
to enable/disable certain components in order to save power.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <F.fainelli@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Brahma-B53 and Cortex-A72 CPUs integrated on Broadcom STB SoCs feature a
read-ahead cache that performs cache line size adaptation between the
bus interface unit and the memory controller.
On 32-bit ARM kernels we have to resort to a full featured read-ahead
cache driver under arch/arm/mm/cache-b15-rac.c (CONFIG_CACHE_B15_RAC)
because there are still cache maintenance operations by set/ways/index
that cannot be transparently handled by the ARM Coherency Extension that
the read-ahead cache interfaces to.
The 64-bit ARM kernel however has long deprecated all of those, so this
is simply a one time configuration.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Add a matching entry for 7211 which can be programmed with the same
BIUCTRL settings as other Brahma-B53 based SoCs. While at it, rename the
function to include a72 in the name to reflect this applies to both
types of 64-bit capable CPUs that we support (Brahma-B53 and
Cortex-A72).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The BIUCTRL layout is a little different on 7211 which is equipped with
a Cortex-A72, account for those register offset differences. We will
match 7211 specifically in a subsequent commit.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
7255 and 7216 are some of the latest chips that were produced and
support the full register range configuration for the BIU, add the two
entries to get the expected programming.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
7260A0 and B0 are both supported, and 7260A0 has a small difference in
that it does not support the write-back control register, which is why
we have a different array of registers. Update the comment above
b53_cpubiuctrl_no_wb_regs to denote that difference.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
fixes for 5.2-rc1, please pull the following:
- Florian fixes the biuctrl driver not to create an error condition/path
upon unsupported CPU and also fixes the biuctrl driver writes to used
a data barrier which is necessary given the HW block design
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Merge tag 'arm-soc/for-5.2/drivers-fixes' of https://github.com/Broadcom/stblinux into fixes
This pull request contains Broadcom ARM/ARM64/MIPS SoCs device drivers
fixes for 5.2-rc1, please pull the following:
- Florian fixes the biuctrl driver not to create an error condition/path
upon unsupported CPU and also fixes the biuctrl driver writes to used
a data barrier which is necessary given the HW block design
* tag 'arm-soc/for-5.2/drivers-fixes' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: biuctrl: Register writes require a barrier
soc: brcmstb: Fix error path for unsupported CPUs
Signed-off-by: Olof Johansson <olof@lixom.net>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 655 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The BIUCTRL register writes require that a data barrier be inserted
after comitting the write to the register for the block to latch in the
recently written values. Reads have no such requirement and are not
changed.
Fixes: 34642650e5 ("soc: Move brcmstb to bcm/brcmstb")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
In case setup_hifcpubiuctrl_regs() returns an error, because of e.g:
an unsupported CPU type, just catch that error and return instead of
blindly continuing with the initialization. This fixes a NULL pointer
de-reference with the code continuing without having a proper array of
registers to use.
Fixes: 22f7a9116e ("soc: brcmstb: Correct CPU_CREDIT_REG offset for Brahma-B53 CPUs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
enabled, and fixes the driver in the presence of -EPROBE_DEFER.
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Merge tag 'tags/bcm2835-drivers-next-2019-03-12' into soc/fixes
This pull request brings in a build fix for arm64 with bcm2835
enabled, and fixes the driver in the presence of -EPROBE_DEFER.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The clock driver may probe after ours and so we need to pass the
-EPROBE_DEFER out. Fix the other error path while we're here.
v2: Use dom->name instead of dom->gov as the flag for initialized
domains, since we aren't setting up a governor. Make sure to
clear ->clk when no clk is present in the DT.
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 670c672608 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
We don't have ASB master/slave regs for this domain, so just skip that
step.
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 670c672608 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
Fixes the following sparse warning:
drivers/soc/bcm/bcm2835-power.c:556:32: warning:
symbol 'bcm2835_reset_ops' was not declared. Should it be static?
Fixes: 670c672608 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Linus Torvalds
QintaoShen