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2017-11-15Merge tag 'mips_4.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips Pull MIPS updates from James Hogan: "These are the main MIPS changes for 4.15. Fixes: - ralink: Fix MT7620 PCI build issues (4.5) - Disable cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN for 32-bit SMP (4.1) - Fix MIPS64 FP save/restore on 32-bit kernels (4.0) - ptrace: Pick up ptrace/seccomp changed syscall numbers (3.19) - ralink: Fix MT7628 pinmux (3.19) - BCM47XX: Fix LED inversion on WRT54GSv1 (3.17) - Fix n32 core dumping as o32 since regset support (3.13) - ralink: Drop obsolete USB_ARCH_HAS_HCD select Build system: - Default to "generic" (multiplatform) system type instead of IP22 - Use generic little endian MIPS32 r2 configuration as default defconfig instead of ip22_defconfig FPU emulation: - Fix exception generation for certain R6 FPU instructions SMP: - Allow __cpu_number_map to be larger than NR_CPUS for sparse CPU id spaces Miscellaneous: - Add iomem resource for kernel bss section for kexec/kdump - Atomics: Nudge writes on bit unlock - DT files: Standardise "ok" -> "okay" Minor cleanups: - Define virt_to_pfn() - Make thread_saved_pc static - Simplify 32-bit sign extension in __read_64bit_c0_split() - DMA: Use vma_pages() helper - FPU emulation: Replace unsigned with unsigned int - MM: Removed unused lastpfn - Alchemy: Make clk_ops const - Lasat: Use setup_timer() helper - ralink: Use BIT() in MT7620 PCI driver Platform support: BMIPS: - Enable HARDIRQS_SW_RESEND Broadcom BCM63XX: - Add clkdev lookup support - Update clk driver, UART driver, DTs to handle named refclk from DTs - Split apart various clocks to more closely match hardware - Add ethernet clocks Cavium Octeon: - Remove usage of cvmx_wait() in favour of __delay() ImgTec Pistachio: - DT: Drop deprecated dwmmc num-slots property Ingenic JZ4780: - Add NFS root to Ci20 defconfig - Add watchdog to Ci20 DT & defconfig, and allow building of watchdog driver with this SoC Generic (multiplatform): - Migrate xilfpga (MIPSfpga) platform to the generic platform Lantiq xway: - Fix ASC0/ASC1 clocks" * tag 'mips_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (46 commits) MIPS: Add iomem resource for kernel bss section. MIPS: cmpxchg64() and HAVE_VIRT_CPU_ACCOUNTING_GEN don't work for 32-bit SMP MIPS: BMIPS: Enable HARDIRQS_SW_RESEND MIPS: pci: Make use of the BIT() macro inside the mt7620 driver MIPS: pci: Remove KERN_WARN instance inside the mt7620 driver MIPS: pci: Remove duplicate define in mt7620 driver MIPS: ralink: Fix typo in mt7628 pinmux function MIPS: ralink: Fix MT7628 pinmux MIPS: Fix odd fp register warnings with MIPS64r2 watchdog: jz4780: Allow selection of jz4740-wdt driver MIPS/ptrace: Update syscall nr on register changes MIPS/ptrace: Pick up ptrace/seccomp changed syscalls MIPS: Fix an n32 core file generation regset support regression MIPS: Fix MIPS64 FP save/restore on 32-bit kernels MIPS: page.h: Define virt_to_pfn() MIPS: Xilfpga: Switch to using generic defconfigs MIPS: generic: Add support for MIPSfpga MIPS: Set defconfig target to a generic system for 32r2el MIPS: Kconfig: Set default MIPS system type as generic MIPS: DTS: Remove num-slots from Pistachio SoC ...
2017-11-08MIPS: Xilfpga: Switch to using generic defconfigsZubair Lutfullah Kakakhel
Use the generic platform code and remove arch/mips/xilfpga Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15847/ [jhogan@kernel.org: Update arch/mips/Makefile snippet and move to end] Signed-off-by: James Hogan <jhogan@kernel.org>
2017-11-08MIPS: generic: Add support for MIPSfpgaZubair Lutfullah Kakakhel
Add support for the MIPSfpga platform to generic kernel. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15846/ [jhogan@kernel.org: Use separate board-xilfpga.its.S. Add 32r2 and little endian requires to board-xilfpga.config] Signed-off-by: James Hogan <jhogan@kernel.org>
2017-11-08MIPS: Kconfig: Set default MIPS system type as genericMatt Redfearn
The generic MIPS system type allows building a board agnostic kernel and should be the default starting point for users, so set it as the default system type in Kconfig. Since ip22 is no longer the default, update ip22_defconfig to select CONFIG_SGI_IP22. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Howells <dhowells@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14714/ Signed-off-by: James Hogan <jhogan@kernel.org>
2017-10-12MIPS: Alchemy: Remove reverted CONFIG_NETLINK_MMAP from db1xxx_defconfigNikitas Angelinas
Netlink mmap support and the relevant CONFIG_NETLINK_MMAP option have been reverted by commit d1b4c689d4130bcfd3532680b64db562300716b6 ("netlink: remove mmapped netlink support"). Remove the occurrence of CONFIG_NETLINK_MMAP from db1xxx_defconfig. Signed-off-by: Nikitas Angelinas <nikitas.angelinas@gmail.com> Cc: Patrick McHardy <kaber@trash.net> Cc: Florian Westphal <fw@strlen.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: Jiri Kosina <trivial@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-10-09MIPS: Ci20: Enable watchdog driverMathieu Malaterre
Update the Ci20's defconfig to enable the JZ4740's watchdog driver. Signed-off-by: Mathieu Malaterre <malat@debian.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17290/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-10-09MIPS: Ci20: Add support for rootfs on NFS to defconfigHarvey Hunt
Now that ethernet support is in the kernel, add the option to use a rootfs over NFS to enable automated testing of upstream kernels on a Ci20. Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com> Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Harvey Hunt <harveyhuntnexus@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17314/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-09-15Merge branch '4.14-features' of ↵Linus Torvalds
git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS updates from Ralf Baechle: "This is the main pull request for 4.14 for MIPS; below a summary of the non-merge commits: CM: - Rename mips_cm_base to mips_gcr_base - Specify register size when generating accessors - Use BIT/GENMASK for register fields, order & drop shifts - Add cluster & block args to mips_cm_lock_other() CPC: - Use common CPS accessor generation macros - Use BIT/GENMASK for register fields, order & drop shifts - Introduce register modify (set/clear/change) accessors - Use change_*, set_* & clear_* where appropriate - Add CM/CPC 3.5 register definitions - Use GlobalNumber macros rather than magic numbers - Have asm/mips-cps.h include CM & CPC headers - Cluster support for topology functions - Detect CPUs in secondary clusters CPS: - Read GIC_VL_IDENT directly, not via irqchip driver DMA: - Consolidate coherent and non-coherent dma_alloc code - Don't use dma_cache_sync to implement fd_cacheflush FPU emulation / FP assist code: - Another series of 14 commits fixing corner cases such as NaN propgagation and other special input values. - Zero bits 32-63 of the result for a CLASS.D instruction. - Enhanced statics via debugfs - Do not use bools for arithmetic. GCC 7.1 moans about this. - Correct user fault_addr type Generic MIPS: - Enhancement of stack backtraces - Cleanup from non-existing options - Handle non word sized instructions when examining frame - Fix detection and decoding of ADDIUSP instruction - Fix decoding of SWSP16 instruction - Refactor handling of stack pointer in get_frame_info - Remove unreachable code from force_fcr31_sig() - Convert to using %pOF instead of full_name - Remove the R6000 support. - Move FP code from *_switch.S to *_fpu.S - Remove unused ST_OFF from r2300_switch.S - Allow platform to specify multiple its.S files - Add #includes to various files to ensure code builds reliable and without warning.. - Remove __invalidate_kernel_vmap_range - Remove plat_timer_setup - Declare various variables & functions static - Abstract CPU core & VP(E) ID access through accessor functions - Store core & VP IDs in GlobalNumber-style variable - Unify checks for sibling CPUs - Add CPU cluster number accessors - Prevent direct use of generic_defconfig - Make CONFIG_MIPS_MT_SMP default y - Add __ioread64_copy - Remove unnecessary inclusions of linux/irqchip/mips-gic.h GIC: - Introduce asm/mips-gic.h with accessor functions - Use new GIC accessor functions in mips-gic-timer - Remove counter access functions from irq-mips-gic.c - Remove gic_read_local_vp_id() from irq-mips-gic.c - Simplify shared interrupt pending/mask reads in irq-mips-gic.c - Simplify gic_local_irq_domain_map() in irq-mips-gic.c - Drop gic_(re)set_mask() functions in irq-mips-gic.c - Remove gic_set_polarity(), gic_set_trigger(), gic_set_dual_edge(), gic_map_to_pin() and gic_map_to_vpe() from irq-mips-gic.c. - Convert remaining shared reg access, local int mask access and remaining local reg access to new accessors - Move GIC_LOCAL_INT_* to asm/mips-gic.h - Remove GIC_CPU_INT* macros from irq-mips-gic.c - Move various definitions to the driver - Remove gic_get_usm_range() - Remove __gic_irq_dispatch() forward declaration - Remove gic_init() - Use mips_gic_present() in place of gic_present and remove gic_present - Move gic_get_c0_*_int() to asm/mips-gic.h - Remove linux/irqchip/mips-gic.h - Inline __gic_init() - Inline gic_basic_init() - Make pcpu_masks a per-cpu variable - Use pcpu_masks to avoid reading GIC_SH_MASK* - Clean up mti, reserved-cpu-vectors handling - Use cpumask_first_and() in gic_set_affinity() - Let the core set struct irq_common_data affinity microMIPS: - Fix microMIPS stack unwinding on big endian systems MIPS-GIC: - SYNC after enabling GIC region NUMA: - Remove the unused parent_node() macro R6: - Constify r2_decoder_tables - Add accessor & bit definitions for GlobalNumber SMP: - Constify smp ops - Allow boot_secondary SMP op to return errors VDSO: - Drop gic_get_usm_range() usage - Avoid use of linux/irqchip/mips-gic.h Platform changes: Alchemy: - Add devboard machine type to cpuinfo - update cpu feature overrides - Threaded carddetect irqs for devboards AR7: - allow NULL clock for clk_get_rate BCM63xx: - Fix ENETDMA_6345_MAXBURST_REG offset - Allow NULL clock for clk_get_rate CI20: - Enable GPIO and RTC drivers in defconfig - Add ethernet and fixed-regulator nodes to DTS Generic platform: - Move Boston and NI 169445 FIT image source to their own files - Include asm/bootinfo.h for plat_fdt_relocated() - Include asm/time.h for get_c0_*_int() - Include asm/bootinfo.h for plat_fdt_relocated() - Include asm/time.h for get_c0_*_int() - Allow filtering enabled boards by requirements - Don't explicitly disable CONFIG_USB_SUPPORT - Bump default NR_CPUS to 16 JZ4700: - Probe the jz4740-rtc driver from devicetree Lantiq: - Drop check of boot select from the spi-falcon driver. - Drop check of boot select from the lantiq-flash MTD driver. - Access boot cause register in the watchdog driver through regmap - Add device tree binding documentation for the watchdog driver - Add docs for the RCU DT bindings. - Convert the fpi bus driver to a platform_driver - Remove ltq_reset_cause() and ltq_boot_select( - Switch to a proper reset driver - Switch to a new drivers/soc GPHY driver - Add an USB PHY driver for the Lantiq SoCs using the RCU module - Use of_platform_default_populate instead of __dt_register_buses - Enable MFD_SYSCON to be able to use it for the RCU MFD - Replace ltq_boot_select() with dummy implementation. Loongson 2F: - Allow NULL clock for clk_get_rate Malta: - Use new GIC accessor functions NI 169445: - Add support for NI 169445 board. - Only include in 32r2el kernels Octeon: - Add support for watchdog of 78XX SOCs. - Add support for watchdog of CN68XX SOCs. - Expose support for mips32r1, mips32r2 and mips64r1 - Enable more drivers in config file - Add support for accessing the boot vector. - Remove old boot vector code from watchdog driver - Define watchdog registers for 70xx, 73xx, 78xx, F75xx. - Make CSR functions node aware. - Allow access to CIU3 IRQ domains. - Misc cleanups in the watchdog driver Omega2+: - New board, add support and defconfig Pistachio: - Enable Root FS on NFS in defconfig Ralink: - Add Mediatek MT7628A SoC - Allow NULL clock for clk_get_rate - Explicitly request exclusive reset control in the pci-mt7620 PCI driver. SEAD3: - Only include in 32 bit kernels by default VoCore: - Add VoCore as a vendor t0 dt-bindings - Add defconfig file" * '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (167 commits) MIPS: Refactor handling of stack pointer in get_frame_info MIPS: Stacktrace: Fix microMIPS stack unwinding on big endian systems MIPS: microMIPS: Fix decoding of swsp16 instruction MIPS: microMIPS: Fix decoding of addiusp instruction MIPS: microMIPS: Fix detection of addiusp instruction MIPS: Handle non word sized instructions when examining frame MIPS: ralink: allow NULL clock for clk_get_rate MIPS: Loongson 2F: allow NULL clock for clk_get_rate MIPS: BCM63XX: allow NULL clock for clk_get_rate MIPS: AR7: allow NULL clock for clk_get_rate MIPS: BCM63XX: fix ENETDMA_6345_MAXBURST_REG offset mips: Save all registers when saving the frame MIPS: Add DWARF unwinding to assembly MIPS: Make SAVE_SOME more standard MIPS: Fix issues in backtraces MIPS: jz4780: DTS: Probe the jz4740-rtc driver from devicetree MIPS: Ci20: Enable RTC driver watchdog: octeon-wdt: Add support for 78XX SOCs. watchdog: octeon-wdt: Add support for cn68XX SOCs. watchdog: octeon-wdt: File cleaning. ...
2017-09-06MIPS: Ci20: Enable RTC driverMathieu Malaterre
Update the Ci20's defconfig to enable the JZ4780's RTC driver. Signed-off-by: Mathieu Malaterre <malat@debian.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Paul Cercueil <paul@crapouillou.net> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17236/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-30MIPS: generic: Bump default NR_CPUS to 16Paul Burton
In generic_defconfig set CONFIG_NR_CPUS to 16 rather than 2, which is a rather too low limit for many modern day MIPS systems. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16949/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-30MIPS: generic: Don't explicitly disable CONFIG_USB_SUPPORTPaul Burton
Leave CONFIG_USB_SUPPORT at its default, allowing board config fragments to make use of USB drivers without needing to override it & trigger warnings from merge_config.sh. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16948/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-30MIPS: Make CONFIG_MIPS_MT_SMP default yPaul Burton
On systems that support MT ASE multithreading (ie. VPEs) we are very likely to want to include that support as default. Rather than setting it in various defconfigs, simply make CONFIG_MIPS_MT_SMP default y such that systems which select CONFIG_SYS_SUPPORTS_MULTITHREADING get it by default. As well as allowing us to remove the selection of CONFIG_MIPS_MT_SMP from various defconfigs, this also allows the generated generic defconfigs which derive from generic_defconfig to automatically gain support for MT ASE SMP when building for a suitable (pre-MIPSr6) ISA. For malta_kvm_guest_defconfig CONFIG_MIPS_MT_SMP is explicitly disabled since enabling SMP implicitly disables CONFIG_KVM_GUEST, which depends on CONFIG_BROKEN_ON_SMP. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16947/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-30MIPS: NI 169445: Only include in 32r2el kernelsPaul Burton
The NI 169445 board uses a little endian MIPS32r2 CPU, and therefore including board support in kernels that are unable to run on such a CPU is pointless. Specify requirements in the board config fragment that cause the NI 169445 board support to only be included in generic kernels that target little endian MIPS32r2 CPUs. For example, NI 169445 support will be included when configuring using 32r2el_defconfig but not when using 64r6_defconfig. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Acked-by: Nathan Sullivan <nathan.sullivan@ni.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16945/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-30MIPS: SEAD-3: Only include in 32 bit kernels by defaultPaul Burton
The MIPS SEAD-3 development board has only ever been used with 32 bit CPUs, so including support for it in 64 bit kernels is wasteful since those kernels will never run on a SEAD-3. Specify a requirement in the SEAD-3 board config fragment that ensures the board support is only included in 32 bit kernels, by checking that CONFIG_32BIT=y. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16944/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: configs: Add Onion Omega2+ defconfigHarvey Hunt
Create a defconfig for the Omega2+ that reaches userspace and allows use of the USB port. Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com> Cc: robh+dt@kernel.org Cc: mark.rutland@arm.com Cc: john@phrozen.org Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17138/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: configs: Add VoCore2 defconfigHarvey Hunt
Enabled supported drivers, including: - USB PHY - EHCI - UART Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com> Cc: robh+dt@kernel.org Cc: mark.rutland@arm.com Cc: john@phrozen.org Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17135/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: Ci20: Enable GPIO driverHarvey Hunt
Update the Ci20's defconfig to enable the JZ4780's GPIO driver. Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16751/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: NI 169445 board supportNathan Sullivan
Support the National Instruments 169445 board. Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com> Acked-by: Rob Herring <robh@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16782/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: pistachio: Enable Root FS on NFS in defconfigMatt Redfearn
When the upstream kernel pistachio_defconfig is built & tested on the ci40 platform the current lack of these options leads to essentially false failures when the RFS fails to mount. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Cc: James Hartley <james.hartley@sondrel.com> Cc: Ionela Voinescu <ionela.voinescu@imgtec.com> Cc: James Hartley <james.hartley@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16763/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: Octeon: cavium_octeon_defconfig: Enable more driversSteven J. Hill
Compile USB driver statically, enable EDAC driver, and remove deprecated options. Signed-off-by: Steven J. Hill <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16795/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-29MIPS: defconfig: Cleanup from non-existing optionsKrzysztof Kozlowski
Remove options which do not exist anymore: - CPU_FREQ_DEBUG is gone since commit 2d06d8c49afd ("[CPUFREQ] use dynamic debug instead of custom infrastructure"). - ECONET is gone since commit 349f29d841db ("econet: remove ancient bug ridden protocol"); - IPDDP_DECAP is gone since commit 9b5645b51384 ("appletalk: remove "config IPDDP_DECAP""); Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16770/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-20media: rc-core: do not depend on MEDIA_SUPPORTSean Young
There is no dependency between the two, so remove the dependency in Kconfig files. Signed-off-by: Sean Young <sean@mess.org> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-07-11MIPS: generic: Support MIPS Boston development boardsPaul Burton
Add support for the MIPS Boston development board to generic kernels, which essentially amounts to: - Adding the device tree source for the MIPS Boston board. - Adding a Kconfig fragment which enables the appropriate drivers for the MIPS Boston board. With these changes in place generic kernels will support the board by default, and kernels with only the drivers needed for Boston enabled can be configured by setting BOARDS=boston during configuration. For example: $ make ARCH=mips 64r6el_defconfig BOARDS=boston Signed-off-by: Paul Burton <paul.burton@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16485/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-06-27MIPS: defconfig: Cleanup from old Kconfig optionsKrzysztof Kozlowski
Remove old, dead Kconfig options (in order appearing in this commit): - EXPERIMENTAL is gone since v3.9; - INET_LRO: commit 7bbf3cae65b6 ("ipv4: Remove inet_lro library"); - MTD_CONCAT: commit f53fdebcc3e1 ("mtd: drop MTD_CONCAT from Kconfig entirely"); - MTD_CHAR: commit 660685d9d1b4 ("mtd: merge mtdchar module with mtdcore"); - NETDEV_1000 and NETDEV_10000: commit f860b0522f65 ("drivers/net: Kconfig and Makefile cleanup"); NET_ETHERNET should be replaced with just ETHERNET but that is separate change; - MISC_DEVICES: commit 7c5763b8453a ("drivers: misc: Remove MISC_DEVICES config option"); - HID_SUPPORT: commit 1f41a6a99476 ("HID: Fix the generic Kconfig options"); - BT_L2CAP and BT_SCO: commit f1e91e1640d8 ("Bluetooth: Always compile SCO and L2CAP in Bluetooth Core"); - DEBUG_ERRORS: commit b025a3f836d1 ("ARM: 6876/1: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORS"); - USB_DEVICE_CLASS: commit 007bab91324e ("USB: remove CONFIG_USB_DEVICE_CLASS"); - RCU_CPU_STALL_DETECTOR: commit a00e0d714fbd ("rcu: Remove conditional compilation for RCU CPU stall warnings"); - IP_NF_QUEUE: commit 3dd6664fac7e ("netfilter: remove unused "config IP_NF_QUEUE""); - IP_NF_TARGET_ULOG: commit d4da843e6fad ("netfilter: kill remnants of ulog targets"); - IP6_NF_QUEUE: commit d16cf20e2f2f ("netfilter: remove ip_queue support"); - IP6_NF_TARGET_LOG: commit 6939c33a757b ("netfilter: merge ipt_LOG and ip6_LOG into xt_LOG"); - USB_LED: commit a335aaf3125c ("usb: misc: remove outdated USB LED driver"); - MMC_UNSAFE_RESUME: commit 2501c9179dff ("mmc: core: Use MMC_UNSAFE_RESUME as default behavior"); - AUTOFS_FS: commit 561c5cf9236a ("staging: Remove autofs3"); - VIDEO_OUTPUT_CONTROL: commit f167a64e9d67 ("video / output: Drop display output class support"); - USB_LIBUSUAL: commit f61870ee6f8c ("usb: remove libusual"); - CRYPTO_ZLIB: 110492183c4b ("crypto: compress - remove unused pcomp interface"); - BLK_DEV_UB: commit 68a5059ecf82 ("block: remove the deprecated ub driver"); Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: linux-kernel@vger.kernel.org Cc: bcm-kernel-feedback-list@broadcom.com Cc: linux-mips@linux-mips.org Cc: linux-arm-kernel@lists.infradead.org Patchwork: https://patchwork.linux-mips.org/patch/16342/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-05-12Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS updates from James Hogan: "math-emu: - Add missing clearing of BLTZALL and BGEZALL emulation counters - Fix BC1EQZ and BC1NEZ condition handling - Fix BLEZL and BGTZL identification BPF: - Add JIT support for SKF_AD_HATYPE - Use unsigned access for unsigned SKB fields - Quit clobbering callee saved registers in JIT code - Fix multiple problems in JIT skb access helpers Loongson 3: - Select MIPS_L1_CACHE_SHIFT_6 Octeon: - Remove vestiges of CONFIG_CAVIUM_OCTEON_2ND_KERNEL - Remove unused L2C types and macros. - Remove unused SLI types and macros. - Fix compile error when USB is not enabled. - Octeon: Remove unused PCIERCX types and macros. - Octeon: Clean up platform code. SNI: - Remove recursive include of cpu-feature-overrides.h Sibyte: - Export symbol periph_rev to sb1250-mac network driver. - Fix Kconfig warning. Generic platform: - Enable Root FS on NFS in generic_defconfig SMP-MT: - Use CPU interrupt controller IPI IRQ domain support UASM: - Add support for LHU for uasm. - Remove needless ISA abstraction mm: - Add 48-bit VA space and 4-level page tables for 4K pages. PCI: - Add controllers before the specified head irqchip driver for MIPS CPU: - Replace magic 0x100 with IE_SW0 - Prepare for non-legacy IRQ domains - Introduce IPI IRQ domain support MAINTAINERS: - Update email-id of Rahul Bedarkar NET: - sb1250-mac: Add missing MODULE_LICENSE() CPUFREQ: - Loongson2: drop set_cpus_allowed_ptr() Misc: - Disable Werror when W= is set - Opt into HAVE_COPY_THREAD_TLS - Enable GENERIC_CPU_AUTOPROBE - Use common outgoing-CPU-notification code - Remove dead define of ST_OFF - Remove CONFIG_ARCH_HAS_ILOG2_U{32,64} - Stengthen IPI IRQ domain sanity check - Remove confusing else statement in __do_page_fault() - Don't unnecessarily include kmalloc.h into <asm/cache.h>. - Delete unused definition of SMP_CACHE_SHIFT. - Delete redundant definition of SMP_CACHE_BYTES" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (39 commits) MIPS: Sibyte: Fix Kconfig warning. MIPS: Sibyte: Export symbol periph_rev to sb1250-mac network driver. NET: sb1250-mac: Add missing MODULE_LICENSE() MAINTAINERS: Update email-id of Rahul Bedarkar MIPS: Remove confusing else statement in __do_page_fault() MIPS: Stengthen IPI IRQ domain sanity check MIPS: smp-mt: Use CPU interrupt controller IPI IRQ domain support irqchip: mips-cpu: Introduce IPI IRQ domain support irqchip: mips-cpu: Prepare for non-legacy IRQ domains irqchip: mips-cpu: Replace magic 0x100 with IE_SW0 MIPS: Remove CONFIG_ARCH_HAS_ILOG2_U{32,64} MIPS: generic: Enable Root FS on NFS in generic_defconfig MIPS: mach-rm: Remove recursive include of cpu-feature-overrides.h MIPS: Opt into HAVE_COPY_THREAD_TLS CPUFREQ: Loongson2: drop set_cpus_allowed_ptr() MIPS: uasm: Remove needless ISA abstraction MIPS: Remove dead define of ST_OFF MIPS: Use common outgoing-CPU-notification code MIPS: math-emu: Fix BC1EQZ and BC1NEZ condition handling MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters ...
2017-04-25MIPS: Octeon: cavium_octeon_defconfig: Enable Octeon MMCSteven J. Hill
Enable the Octeon MMC driver in the defconfig. Signed-off-by: Steven J. Hill <Steven.Hill@cavium.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-04-12MIPS: generic: Enable Root FS on NFS in generic_defconfigMatt Redfearn
The generic_defconfig is used for platforms like SEAD3 which do not usually have fixed storage available, therefore NFS is the preferred location of the RFS. When the upstream kernel defconfig is built & tested on platforms such as SEAD3 this leads to essentially false failures when the RFS fails to mount. There is little harm in having this feature enabled by default, so enable it in the defconfig. Kernel autoconfiguration & DHCP must also be selected to allow RFS on NFS. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15853/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-02-21Merge tag 'mips_4.11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips Pull MIPS updates from James Hogan: "Here's the main MIPS pull request for 4.11. It contains a few new features such as IRQ stacks, cacheinfo support, and KASLR for Octeon CPUs, and a variety of smaller improvements and fixes including devicetree additions, kexec cleanups, microMIPS stack unwinding fixes, and a bunch of build fixes to clean up continuous integration builds. Its all been in linux-next for at least a couple of days, most of it far longer. Miscellaneous: - Add IRQ stacks - Add cacheinfo support - Add "uzImage.bin" zboot target - Unify performance counter definitions - Export various (mainly assembly) symbols alongside their definitions - Audit and remove unnecessary uses of module.h kexec & kdump: - Lots of improvements and fixes - Add correct copy_regs implementations - Add debug logging of new kernel information Security: - Use Makefile.postlink to insert relocations into vmlinux - Provide plat_post_relocation hook (used for Octeon KASLR) - Add support for tuning mmap randomisation - Relocate DTB microMIPS: - A load of unwind fixes - Add some missing .insn to fix link errors MIPSr6: - Fix MULTU/MADDU/MSUBU sign extension in r2 emulation - Remove r2_emul_return and use ERETNC unconditionally on MIPSr6 - Allow pre-r6 emulation on SMP MIPSr6 kernels Cache management: - Treat physically indexed dcache as non-aliasing - Add return errors to protected cache ops for KVM - CM3: Ensure L1 & L2 cache ECC checking matches - CM3: Indicate inclusive caches - I6400: Treat dcache as physically indexed Memory management: - Ensure bootmem doesn't corrupt reserved memory - Export some TLB exception generation functions for KVM OF: - NULL check initial_boot_params before use in of_scan_flat_dt() - Fix unaligned access in of_alias_scan() SMP: - CPS: Don't BUG if a CPU fails to start Other fixes: - Fix longstanding 64-bit IP checksum carry bug - Fix KERN_CONT fallout in cpu-bugs64.c and sync-r4k.c - Update defconfigs for NF_CT_PROTO_DCCP, DPLITE, CPU_FREQ_STAT,SCSI_DH changes - Disable certain builtin compiler options, stack-check (whole kernel), asynchronous-unwind-tables (VDSO). - A bunch of build fixes from kernelci.org testing - Various other minor cleanups & corrections BMIPS: - Migrate interrupts during bmips_cpu_disable - BCM47xx: Add Luxul devices - BCM47xx: Fix Asus WL-500W button inversion - BCM7xxx: Add SPI device nodes Generic (multiplatform): - Add kexec DTB passing - Fix big endian - Add cpp_its_S in ksym_dep_filter to silence build warning IP22: - Reformat inline assembler code to modern standards - Fix binutils 2.25 build error IP27: - Fix duplicate CAC_BASE definition build error - Disable qlge driver to workaround broken compiler Lantiq: - Refresh defconfig and activate more drivers - Lock DMA register access - Fix cascading IRQ setup - Fix build of VPE loader - xway: Fix ethernet packet header corruption over reboot Loongson1 - Add watchdog support - 1B: Reduce DEFAULT_MEMSIZE to 64MB - 1B: Change OSC clock name to match rest of kernel - 1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB Octeon: - Add KASLR support - Support Octeon III USB controller - Fix large copy_from_user corner case - Enable devtmpfs in defconfig Netlogic: - Fix non-default XLR build error due to netlogic,xlp-pic code - Fix assembler warning from smpboot.S pic32mzda: - Fix linker error when early printk is disabled Pistachio: - Add base device tree - Add Ci40 "Marduk" device tree Ralink: - Support raw appended DTB - Add missing I2C & I2S clocks - Add missing pinmux and fix pinmux function name typo - Add missing clk_round_rate() - Clean up prom_init() - MT7621: Set SoC type - MT7621: Support highmem TXx9: - Modernize printing of kernel messages and resolve KERN_CONT fallout - 7segled: use permission-specific DEVICE_ATTR variants XilFPGA: - Add IRQ controller and UART IRQ - Add AXI I2C and emaclite to DT & defconfig" * tag 'mips_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (148 commits) MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables MIPS: BCM47XX: Fix button inversion for Asus WL-500W MIPS: DTS: Add img directory to Makefile MIPS: ip27: Disable qlge driver in defconfig MIPS: pic32mzda: Fix linker error for pic32_get_pbclk() MIPS: Lantiq: Keep ethernet enabled during boot MIPS: OCTEON: Fix copy_from_user fault handling for large buffers MIPS: Fix special case in 64 bit IP checksumming. MIPS: OCTEON: Enable DEVTMPFS MIPS: lantiq: Set physical_memsize MIPS: sysmips: Remove duplicated include from syscall.c Kbuild: Add cpp_its_S in ksym_dep_filter MIPS: Audit and remove any unnecessary uses of module.h MIPS: Unify perf counter register definitions MIPS: Disable stack checks on MIPS kernels MIPS: OCTEON: Platform support for OCTEON III USB controller MIPS: Lantiq: Fix cascaded IRQ setup MIPS: sync-r4k: Fix KERN_CONT fallout MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch MIPS: Fix distclean with Makefile.postlink ...
2017-02-17MIPS: ip27: Disable qlge driver in defconfigArnd Bergmann
One of the last remaining failures in kernelci.org is for a gcc bug: drivers/net/ethernet/qlogic/qlge/qlge_main.c:4819:1: error: insn does not satisfy its constraints: drivers/net/ethernet/qlogic/qlge/qlge_main.c:4819:1: internal compiler error: in extract_constrain_insn, at recog.c:2190 This is apparently broken in gcc-6 but fixed in gcc-7, and I cannot reproduce the problem here. However, it is clear that ip27_defconfig does not actually need this driver as the platform has only PCI-X but not PCIe, and the qlge adapter in turn is PCIe-only. The driver was originally enabled in 2010 along with lots of other drivers. Fixes: 59d302b342e5 ("MIPS: IP27: Make defconfig useful again.") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15197/ Signed-off-by: James Hogan <james.hogan@imgtec.com>
2017-02-15MIPS: OCTEON: Enable DEVTMPFSJames Hogan
Recent versions of udev and systemd require the kernel to be compiled with CONFIG_DEVTMPFS in order to populate the /dev directory. Most MIPS platforms have it enabled by default, so enable it for the Cavium Octeon defconfig as well. This will assist with automated kernel boot testing. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: David Daney <david.daney@cavium.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15294/ Signed-off-by: James Hogan <james.hogan@imgtec.com>
2017-02-09MIPS: BMIPS: enable CPUfreqMarkus Mayer
Enable all applicable CPUfreq options. Signed-off-by: Markus Mayer <mmayer@broadcom.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-09MIPS: BMIPS: Update defconfigMarkus Mayer
Ran "make savedefconfig" to bring bmips_stb_defconfig up to date. Signed-off-by: Markus Mayer <mmayer@broadcom.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-03cpufreq: Remove CONFIG_CPU_FREQ_STAT_DETAILS config optionViresh Kumar
This doesn't have any benefit apart from saving a small amount of memory when it is disabled. The ifdef hackery in the code makes it dirty unnecessarily. Clean it up by removing the Kconfig option completely. Few defconfigs are also updated and CONFIG_CPU_FREQ_STAT_DETAILS is replaced with CONFIG_CPU_FREQ_STAT now in them, as users wanted stats to be enabled. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-01-24MIPS: Update ip27_defconfig for SCSI_DH changeArnd Bergmann
Since linux-4.3, SCSI_DH is a bool symbol, causing a warning in kernelci.org: arch/mips/configs/ip27_defconfig:136:warning: symbol value 'm' invalid for SCSI_DH This updates the defconfig to have the feature built-in. Fixes: 086b91d052eb ("scsi_dh: integrate into the core SCSI code") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15001/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-24MIPS: Update lemote2f_defconfig for CPU_FREQ_STAT changeArnd Bergmann
Since linux-4.8, CPU_FREQ_STAT is a bool symbol, causing a warning in kernelci.org: arch/mips/configs/lemote2f_defconfig:42:warning: symbol value 'm' invalid for CPU_FREQ_STAT This updates the defconfig to have the feature built-in. Fixes: 1aefc75b2449 ("cpufreq: stats: Make the stats code non-modular") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/15000/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-24MIPS: Update defconfigs for NF_CT_PROTO_DCCP/UDPLITE changeArnd Bergmann
In linux-4.10-rc, NF_CT_PROTO_UDPLITE and NF_CT_PROTO_DCCP are bool symbols instead of tristate, and kernelci.org reports a bunch of warnings for this, like: arch/mips/configs/malta_kvm_guest_defconfig:63:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE arch/mips/configs/malta_defconfig:62:warning: symbol value 'm' invalid for NF_CT_PROTO_DCCP arch/mips/configs/malta_defconfig:63:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE arch/mips/configs/ip22_defconfig:70:warning: symbol value 'm' invalid for NF_CT_PROTO_DCCP arch/mips/configs/ip22_defconfig:71:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE This changes all the MIPS defconfigs with these symbols to have them built-in. Fixes: 9b91c96c5d1f ("netfilter: conntrack: built-in support for UDPlite") Fixes: c51d39010a1b ("netfilter: conntrack: built-in support for DCCP") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14999/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-03MIPS: Lantiq: Activate more drivers in default configurationHauke Mehrtens
This activates the following functionalities: * SMP support (used on xRX200) * PCI support * NAND driver * PHY driver * UART * Watchdog * USB 2.0 controller These driver are driving different IP cores found on the supported SoCs. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14628/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-03MIPS: lantiq: Refresh default configurationHauke Mehrtens
Just generate a configuration based on this default configuration and store it again. This removed some old configuration options. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: John Crispin <john@phrozen.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14629/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-03MIPS: Loongson1: Add watchdog support for Loongson1 boardYang Ling
The patch adds watchdog support for Loongson1 board. Signed-off-by: Yang Ling <gnaygnil@gmail.com> Cc: keguang.zhang@gmail.com Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14644/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-01-03MIPS: xilfpga: Update defconfigZubair Lutfullah Kakakhel
Update defconfig to enable emaclite, i2c and temp sensor on the xilfpga platform Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14595/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-06MIPS: generic: Convert SEAD-3 to a generic boardPaul Burton
Convert the MIPS SEAD-3 board support to be a generic board, supported by generic kernels. Because the SEAD-3 boot protocol was defined long ago and we don't want to force a switch to the UHI protocol, SEAD-3 is added as a legacy board which is detected by reading the REVISION register. This may technically not be a valid memory read & future work will include attempting to handle that gracefully. In practice since SEAD-3 is the only legacy board supported by the generic kernel so far the read will only happen on SEAD-3 boards, and even once Malta is converted the same REVISION register exists there too. Other boards such as Boston, Ci20 & Ci40 will use the UHI boot protocol & thus not run any of the legacy board detect functions. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14354/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-06MIPS: generic: Introduce generic DT-based board supportPaul Burton
Introduce a "generic" platform, which aims to be board-agnostic by making use of device trees passed by the boot protocol defined in the MIPS UHI (Universal Hosting Interface) specification. Provision is made for supporting boards which use a legacy boot protocol that can't be changed, but adding support for such boards or any others is left to followon patches. Right now the built kernels expect to be loaded to 0x80100000, ie. in kseg0. This is fine for the vast majority of MIPS platforms, but nevertheless it would be good to remove this limitation in the future by mapping the kernel via the TLB such that it can be loaded anywhere & map itself appropriately. Configuration is handled by dynamically generating configs using scripts/kconfig/merge_config.sh, somewhat similar to the way powerpc makes use of it. This allows for variations upon the configuration, eg. differing architecture revisions or subsets of driver support for differing boards, to be handled without having a large number of defconfig files. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14353/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-06MIPS: Malta: Use syscon-reboot driver to rebootPaul Burton
Make use of the generic syscon-reboot driver to reboot the Malta board, reducing the amount of platform code it requires. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Stephan Linz <linz@li-pro.net> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14279/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-06MIPS: Malta: Probe pflash via DTPaul Burton
Add the DT nodes required to probe the CFI compatible parallel monitor flash found on the Malta development board, and remove the platform code that was previously doing it. Delete the now-empty malta-platform.c file. Adjust the Malta defconfigs that enable MTD & the pflash/CFI driver to enable CONFIG_MTD_PHYSMAP_OF rather than CONFIG_MTD_PHYSMAP in order to preserve their behaviour. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14278/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-05MIPS: SEAD3: Use generic restart-poweroff driverPaul Burton
Remove the custom platform code to restart when instructed to power off, instead relying upon the generic restart-poweroff driver probed via DT to do the same thing. Remove also the halt implementation, which is incorrect. The generic MIPS version will hang the system as halt should. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14057/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-05MIPS: SEAD3: Reset via generic syscon-reboot driver & DTPaul Burton
Remove the SEAD3 implementation of _machine_restart & instead make use of the generic syscon-reboot driver probed via device tree. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14056/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-05MIPS: SEAD3: Use register-bit-led driver via DT for LEDsPaul Burton
Probe a driver for the PLED & FLED LEDs found on the SEAD3 board using the register-bit-led driver via device tree, rather than a custom driver via platform code. Enable support for the register-bit-led driver & its prerequisite syscon in sead3_defconfig. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14054/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-05MIPS: SEAD3: Use generic ns16550a earlycon supportPaul Burton
Stop selecting SYS_HAS_EARLY_PRINTK & remove the custom support for early output to the ns16550a UARTs, instead relying upon generic ns16550a earlycon support. This reduces the amount of platform code required for SEAD3 without losing any functionality. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Jacek Anaszewski <j.anaszewski@samsung.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14049/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-05MIPS: SEAD3: Probe UARTs using DTPaul Burton
Probe the UARTs on SEAD3 boards using device tree rather than platform code, in order to reduce the amount of the latter. This requires that CONFIG_SERIAL_OF_PLATFORM be enabled, so enable it in sead3_defconfig. The SEAD3 DT shim code is extended to read bootloader environment variables to determine the appropriate UART & mode for kernel console output & set the stdout-path property of the chosen node accordingly. In contrast to the old platform code, which appears to have only ever set "console=ttyS0,38400n8r" with the code in console_config never having an effect, this will honor the "yamontty" environment variable to select between the 2 UARTs on the board and then check the "modetty0" or "modetty1" variable as appropriate to determine the UART configuration. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14048/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-10-04MIPS: pistachio: Remove ANDROID_TIMED_OUTPUT from defconfig.Fabian Frederick
According to commit 9f6b68774f29 ("android: remove timed output/gpio driver") Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Rob Herring <robh@kernel.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/13904/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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