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* mips: ingenic: Enable EXT/2 divider on JZ4750/55/60 if EXT is 24 MHzPaul Cercueil2023-06-091-0/+57
| | | | | | | | | | | | | | | | | | | The JZ4750, JZ4755 and JZ4760 (non-B version) support using a 24 MHz external crystal oscillator instead of the typical 12 MHz one. However, most of the SoC's IP blocks only work with a 12 MHz clock. Thanksfully, there is a /2 divider we can enable when a 24 MHz external crystal is present. Force-enable this /2 divider when the oscillator is 24 MHz, so that the SoC always uses a 12 MHz clock internally. It is done here, and not in the clocks driver, because we need the EXT clock to be 12 MHz for the early console to work, and the clocks driver probes way too late. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* mips: ingenic: Remove useless __maybe_unusedPaul Cercueil2023-06-091-2/+2
| | | | | | | | | These flags are useless in this case as the code referencing these data structures is always seen by the compiler (and not behind #ifdef guards). Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* arch: mips: generic: Add missing of_node_put() in board-ranchu.cLiang He2022-06-211-0/+1
| | | | | | | | | In ranchu_measure_hpt_freq(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_put_node() when it is not used anymore. Signed-off-by: Liang He <windhl@126.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* mips: ingenic: Do not manually reference the CPU clockAidan MacDonald2022-05-181-26/+0
| | | | | | | | | | | | | It isn't necessary to manually walk the device tree and enable the CPU clock anymore. The CPU and other necessary clocks are now flagged as critical in the clock driver, which accomplishes the same thing in a more declarative fashion. Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com> Reviewed-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20220428164454.17908-4-aidanmacdonald.0x0@gmail.com Tested-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> # On X1000 and X1830 Signed-off-by: Stephen Boyd <sboyd@kernel.org>
* MIPS: new Kconfig option ZBOOT_LOAD_ADDRESSYunQiang Su2022-01-021-1/+0
| | | | | | | | | | | | | | If this option is not 0x0, it will be used for zboot load address. Otherwise, the result of calc_vmlinuz_load_addr will be used. The zload-y value for generic are also removed then, as the current value breaks booting on qemu -M boston. The result of calc_vmlinuz_load_addr works well for most of cases. The default value of bcm47xx keeps as it currently. Signed-off-by: YunQiang Su <yunqiang.su@cipunited.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: enable both vmlinux.gz.itb and vmlinuz for genericYunQiang Su2022-01-021-1/+1
| | | | | | | | vmlinux.gz.itb should be appended to all-$(CONFIG_MIPS_GENERIC) instead of replacing. Otherwise, no vmlinuz will be built. Signed-off-by: YunQiang Su <yunqiang.su@cipunited.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: enable SMP on SMVP systemsSander Vanheule2021-12-211-5/+6
| | | | | | | | | | | | | | In addition to CPS SMP setups, also try to initialise MT SMP setups with multiple VPEs per CPU core. CMP SMP support is not provided as it is considered deprecated. Additionally, rework the code by dropping the err variable and make it similar to how other platforms perform this initialisation. Co-developed-by: INAGAKI Hiroshi <musashino.open@gmail.com> Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com> Signed-off-by: Sander Vanheule <sander@svanheule.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic/yamon-dt: fix uninitialized variable errorColin Ian King2021-11-161-1/+1
| | | | | | | | | | | | | | In the case where fw_getenv returns an error when fetching values for ememsizea and memsize then variable phys_memsize is not assigned a variable and will be uninitialized on a zero check of phys_memsize. Fix this by initializing phys_memsize to zero. Cleans up cppcheck error: arch/mips/generic/yamon-dt.c:100:7: error: Uninitialized variable: phys_memsize [uninitvar] Fixes: f41d2430bbd6 ("MIPS: generic/yamon-dt: Support > 256MB of RAM") Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: ingenic: Unconditionally enable clock of CPU #0Paul Cercueil2021-08-291-0/+28
| | | | | | | | | | | | Make sure that the PLL that feeds the CPU won't be stopped while the kernel is running. This fixes a problem on JZ4760 (and probably others) where under very specific conditions, the main PLL would be turned OFF when the kernel was shutting down, causing the shutdown process to fail. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Return true/false (not 1/0) from bool functionsHuilong Deng2021-08-121-3/+3
| | | | | | | | ./arch/mips/generic/board-ocelot.c:29:9-10: WARNING: return of 0/1 in function 'ocelot_detect' with return type bool Signed-off-by: Huilong Deng <denghuilong@cdjrlc.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Allow generating FIT image for Marduk boardJiaxun Yang2021-08-123-0/+29
| | | | | | | | | Marduk is based on IMG pistachio SoC. The platform is using MIPS UHI booting protocol and does have a proper devicetree implement, thus it could be a part of generic kernel. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: Ingenic: Add system type for new Ingenic SoCs.周琰杰 (Zhou Yanjie)2021-07-191-0/+21
| | | | | | | | | | Add JZ4730, JZ4750, JZ4755, JZ4760, JZ4760B, X2000H, and X2100 system type for cat /proc/cpuinfo to give out JZ4730, JZ4750, JZ4755, JZ4760, JZ4760B, X2000H, and X2100. Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Reviewed-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Update node names to avoid unit addressesNathan Chancellor2021-04-128-46/+46
| | | | | | | | | | | | | | | | | | | | | | | With the latest mkimage from U-Boot 2021.04, the generic defconfigs no longer build, failing with: /usr/bin/mkimage: verify_header failed for FIT Image support with exit code 1 This is expected after the linked U-Boot commits because '@' is forbidden in the node names due to the way that libfdt treats nodes with the same prefix but different unit addresses. Switch the '@' in the node name to '-'. Drop the unit addresses from the hash and kernel child nodes because there is only one node so they do not need to have a number to differentiate them. Cc: stable@vger.kernel.org Link: https://source.denx.de/u-boot/u-boot/-/commit/79af75f7776fc20b0d7eb6afe1e27c00fdb4b9b4 Link: https://source.denx.de/u-boot/u-boot/-/commit/3f04db891a353f4b127ed57279279f851c6b4917 Suggested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Tom Rini <trini@konsulko.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: of: Introduce helper function to get DTBThomas Bogendoerfer2021-02-041-3/+2
| | | | | | | | | Selection of the DTB to be used was burried in more or less readable code in head.S. Move this code into a inline helper function and use it. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Florian Fainelli <f.fainelli@gmail.com>
* MIPS: Remove empty prom_free_prom_memory functionsThomas Bogendoerfer2021-01-071-4/+0
| | | | | | | | Most of the prom_free_prom_memory functions are empty. With a new weak prom_free_prom_memory() we can remove all of them. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Florian Fainelli <f.fainelli@gmail.com>
* MIPS: mscc: Add serval supportGregory CLEMENT2020-11-123-0/+33
| | | | | | | | | | | Add a device trees and FIT image support for the Microsemi Serval SoC which belongs to same family of the Ocelot SoC. It is based on the work of Lars Povlsen <lars.povlsen@microchip.com>. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: mscc: Add jaguar2 supportGregory CLEMENT2020-11-123-0/+49
| | | | | | | | | | | Add a device trees and FIT image support for the Microsemi Jaguar2 SoC which belongs to same family of the Ocelot SoC. It is based on the work of Lars Povlsen <lars.povlsen@microchip.com>. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: mscc: build FIT image for LutonGregory CLEMENT2020-11-123-0/+32
| | | | | | | | Luton now has already an u-boot port so let's build FIT images. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: mscc: Fix configuration name for ocelot legacy boardsGregory CLEMENT2020-11-121-1/+1
| | | | | | | | | | Ocelots is supported by the generic MIPS build so make it clears that LEGACY_BOARD_OCELOT is only needed for legacy boards which didn't have bootloader supporting device tree. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: mscc: Prepare configuration to handle more SoCsGregory CLEMENT2020-11-121-3/+8
| | | | | | | | | | | | | Ocelot belongs to a family of SoC named the VCore III. In order to add these new Soc, use the new symbol SOC_VCOREIII instead of a one dedicated to Ocelot. In order to avoid regression on driver building, the MSCC_OCELOT configuration symbol is kept until the driver will be converted. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: Ingenic: Add system type for new Ingenic SoCs.周琰杰 (Zhou Yanjie)2020-09-271-0/+12
| | | | | | | | | Add JZ4775, X1000E, X2000, and X2000E system type for cat /proc/cpuinfo to give out JZ4775, X1000E, X2000 and X2000E. Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Reviewed-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: jz4740: Rename jz4740 folders to ingenicPaul Cercueil2020-09-181-1/+1
| | | | | | | | | | Now that all the jz4740 platform code has been removed, and we're left with only a Kconfig and the cpu-feature-overrides.h file, finalize the cleanup process by renaming the jz4740 and include/mach-jz4740 folders to ingenic and include/mach-ingenic. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Add support for Ingenic SoCsPaul Cercueil2020-09-184-0/+118
| | | | | | | | | | | Add support for Ingenic SoCs in arch/mips/generic/. The Kconfig changes are here to ensure that it is possible to compile either a generic kernel that supports Ingenic SoCs, or a Ingenic-only kernel, both using the same code base, to avoid duplicated code. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Add support for zbootPaul Cercueil2020-09-181-0/+1
| | | | | | | | There is no reason we can't create compressed kernels here, so select the option SYS_SUPPORTS_ZBOOT. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Support booting with built-in or appended DTBPaul Cercueil2020-09-181-5/+4
| | | | | | | | | | | The plat_get_fdt() checked that the kernel was booted using UHI before reading the 'fw_passed_dtb' variable. However, this variable is also set when the DT has been appended, or when it has been built into the kernel. Support these usecases by removing the UHI check. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Init command line with fw_init_cmdline()Paul Cercueil2020-09-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | The function bootcmdline_init() in arch/mips/kernel/setup.c will populate the boot_command_line string using the parameters hardcoded in the kernel, and those provided in the devicetree file. Then, it would append the content of the arcs_cmdline variable, which is filled by the board's plat_mem_setup() function. The plat_mem_setup() function for the generic MIPS board would just copy the current boot_command_line to arcs_cmdline, which is nonsense for two reasons: - the result will be appended to the boot_command_line anyway, so all it does is duplicate every single parameter on the command line; - the code did not perform at all what it's supposed to, which is to retrieve the parameters passed by the bootloader. Fix this by calling fw_init_cmdline() in plat_mem_setup(), which will properly initialize arcs_cmdline to the parameters passed by the bootloader. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Allow boards to set system typePaul Cercueil2020-09-181-0/+5
| | | | | | | | Check for the system_type variable in the get_system_type() function. If non-NULL, return it as the system type. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: Kconfig: add MIPS_GENERIC_KERNEL symbolPaul Cercueil2020-09-181-1/+1
| | | | | | | | | | | | | The MIPS_GENERIC symbol now won't select any other configuration option. The MIPS_GENERIC_KERNEL will select all the options that the previous MIPS_GENERIC option did select, and will select MIPS_GENERIC as well. The whole point of this, is that it now becomes possible to compile a kernel for a SoC supported by the arch/mips/generic/ code, without making that kernel generic itself. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: Only include the platform file neededThomas Bogendoerfer2020-05-131-1/+0
| | | | | | | Instead of including all Platform files, we simply include the needed one and avoid clashes with makefile variables. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* MIPS: generic: Replace <linux/clk-provider.h> by <linux/of_clk.h>Geert Uytterhoeven2020-02-191-1/+1
| | | | | | | | | | | | | | | | | | | | | The generic MIPS platform code is not a clock provider, and just needs to call of_clk_init(). Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Paul Cercueil <paul@crapouillou.net> Cc: James Hartley <james.hartley@sondrel.com> Cc: John Crispin <john@phrozen.org> Cc: linux-mips@vger.kernel.org Cc: bcm-kernel-feedback-list@broadcom.com Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org
* remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig2020-01-061-1/+1
| | | | | | | | ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* MIPS: generic: Use __initconst for const init dataTiezhu Yang2019-10-081-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | Fix the following checkpatch errors: $ ./scripts/checkpatch.pl --no-tree -f arch/mips/generic/init.c ERROR: Use of const init definition must use __initconst #23: FILE: arch/mips/generic/init.c:23: +static __initdata const void *fdt; ERROR: Use of const init definition must use __initconst #24: FILE: arch/mips/generic/init.c:24: +static __initdata const struct mips_machine *mach; ERROR: Use of const init definition must use __initconst #25: FILE: arch/mips/generic/init.c:25: +static __initdata const void *mach_match_data; Fixes: eed0eabd12ef ("MIPS: generic: Introduce generic DT-based board support") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: ralf@linux-mips.org Cc: jhogan@kernel.org Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152Thomas Gleixner2019-05-307-35/+7
| | | | | | | | | | | | | | | | | | | | | 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 as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* generic: fix appended dtb supportMarcin Nowakowski2019-05-131-2/+2
| | | | | | | | | | | | | | | | Appended DTB support is mostly intended to be used on legacy systems, but it is a valid feature that can be enabled for generic platform, which currently doesn't support it - if selected, the appended DTB will be ignored by the platform startup code. During kernel startup, the appended DTB's location is stored in fw_passed_dtb if the init code finds what appears to be a valid DTB. Otherwise (if a0 == -2), a1 is stored in fw_passed_dtb, so either way it will always point to either a user-passed DTB or built-in DTB. Signed-off-by: Marcin Nowakowski <marcin.nowakowski@fungible.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
* MIPS: mscc: add PCB120 to the ocelot fitImageQuentin Schulz2018-10-093-4/+21
| | | | | | | | | | | | | | | | | | | | | | | | PCB120 and PCB123 are both development boards based on Microsemi Ocelot so let's use the same fitImage for both. Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/20871/ Cc: ralf@linux-mips.org Cc: jhogan@kernel.org Cc: robh+dt@kernel.org Cc: mark.rutland@arm.com Cc: davem@davemloft.net Cc: andrew@lunn.ch Cc: f.fainelli@gmail.com Cc: allan.nielsen@microchip.com Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org Cc: thomas.petazzoni@bootlin.com Cc: antoine.tenart@bootlin.com
* MIPS: kexec: Use prepare method from Generic for UHI platformsDengcheng Zhu2018-09-222-45/+0
| | | | | | | | | | | | | | | | | | | | | Out-of-tree platforms may not be based on Generic as shown in customer communication. Share the prepare method with all using UHI boot protocol, and put into machine_kexec.c. The benefit is that, when having kexec_args related problems, developers will naturally look into machine_kexec.c, where "CONFIG_UHI_BOOT" will be found, prompting them to add "select UHI_BOOT" to the platform Kconfig. It would otherwise require a lot debugging or online searching to be aware that the solution is in Generic code. Tested-by: Rachel Mozes <rachel.mozes@intel.com> Reported-by: Rachel Mozes <rachel.mozes@intel.com> Signed-off-by: Dengcheng Zhu <dzhu@wavecomp.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/20569/ Cc: pburton@wavecomp.com Cc: ralf@linux-mips.org Cc: linux-mips@linux-mips.org
* MIPS: Remove obsolete MIPS checks for DST node "chosen@0"Robert P. J. Day2018-08-061-4/+0
| | | | | | | | | | | | | | | | | As there is precious little left in any DTS files referring to the node "/chosen@0" as opposed to "/chosen", remove the two checks for the former node name. [paul.burton@mips.com: The modified yamon-dt code only operates on arch/mips/boot/dts/mti/sead3.dts right now, and that uses chosen rather than chosen@0 anyway, so this should have no behavioural effect.] Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/20131/ Cc: linux-mips@linux-mips.org
* MIPS: generic: fix missing of_node_put()Nicholas Mc Guire2018-07-271-0/+1
| | | | | | | | | | | | | | | | of_find_compatible_node() returns a device_node pointer with refcount incremented and must be decremented explicitly. As this code is using the result only to check presence of the interrupt controller (!NULL) but not actually using the result otherwise the refcount can be decremented here immediately again. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19820/ Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org
* mips: mscc: build FIT image for OcelotAlexandre Belloni2018-07-243-2/+34
| | | | | | | | | | | | | Ocelot now has a u-boot port, allow building FIT images instead of relying on the legacy detection and builtin DTB. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Reviewed-by: James Hogan <jhogan@kernel.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19632/ Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org
* MIPS: generic: remove unnecessary of_platform_populate callRob Herring2018-06-241-13/+0
| | | | | | | | | | | | | | | The DT core will call of_platform_populate, so it is not necessary for arch specific code to call it unless there are custom match entries, auxdata or parent device. Neither of those apply here, so remove the call. Cc: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@linux-mips.org Signed-off-by: Rob Herring <robh@kernel.org> Patchwork: https://patchwork.linux-mips.org/patch/19591/ Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-kernel@vger.kernel.org
* MIPS: xilfpga: Actually include FDT in fitImageAlexandre Belloni2018-05-141-0/+1
| | | | | | | | | | | | | | Commit b35565bb16a5 ("MIPS: generic: Add support for MIPSfpga") added and its.S file for xilfpga but forgot to add it to arch/mips/generic/Platform so it is never used. Fixes: b35565bb16a5 ("MIPS: generic: Add support for MIPSfpga") Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: <stable@vger.kernel.org> # 4.15+ Patchwork: https://patchwork.linux-mips.org/patch/19245/ Signed-off-by: James Hogan <jhogan@kernel.org>
* MIPS: generic: Add support for Microsemi OcelotAlexandre Belloni2018-03-213-0/+95
| | | | | | | | | | | | Introduce support for the MIPS based Microsemi Ocelot SoCs. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Allan Nielsen <Allan.Nielsen@microsemi.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18858/ [jhogan@kernel.org: update ocelot_defconfig specification] Signed-off-by: James Hogan <jhogan@kernel.org>
* MIPS: Generic: Support GIC in EIC modeMatt Redfearn2018-02-051-9/+9
| | | | | | | | | | | | | | | | | | | | The GIC supports running in External Interrupt Controller (EIC) mode, and will signal this via cpu_has_veic if enabled in hardware. Currently the generic kernel will panic if cpu_has_veic is set - but the GIC can legitimately set this flag if either configured to boot in EIC mode, or if the GIC driver enables this mode. Make the kernel not panic in this case, and instead just check if the GIC is present. If so, use it's CPU local interrupt routing functions. If an EIC is present, but it is not the GIC, then the kernel does not know how to get the VIRQ for the CPU local interrupts and should panic. Support for alternative EICs being present is needed here for the generic kernel to support them. Suggested-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Matt Redfearn <matt.redfearn@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18191/ Signed-off-by: James Hogan <jhogan@kernel.org>
* MIPS: generic: Fix Makefile alignmentJames Hogan2018-02-051-1/+1
| | | | | | | | | | | | | | | Fix whitespace of generic platform Makefile so that obj-y values align. Fixes: f2d0b0d5c171 ("MIPS: ranchu: Add Ranchu as a new generic-based board") Signed-off-by: James Hogan <jhogan@kernel.org> Reviewed-by: Paul Burton <paul.burton@mips.com> Reviewed-by: Matt Redfearn <matt.redfearn@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Miodrag Dinic <miodrag.dinic@mips.com> Cc: Goran Ferenc <goran.ferenc@mips.com> Cc: Aleksandar Markovic <aleksandar.markovic@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18582/
* MIPS: generic: Fix ranchu_of_match[] terminationJames Hogan2018-02-051-0/+1
| | | | | | | | | | | | | | | | | ranchu_of_match[] has no terminating element to end the search for a matching compatible string when the first and only element does not match, so add one now. Fixes: f2d0b0d5c171 ("MIPS: ranchu: Add Ranchu as a new generic-based board") Signed-off-by: James Hogan <jhogan@kernel.org> Reviewed-by: Paul Burton <paul.burton@mips.com> Reviewed-by: Matt Redfearn <matt.redfearn@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Miodrag Dinic <miodrag.dinic@mips.com> Cc: Goran Ferenc <goran.ferenc@mips.com> Cc: Aleksandar Markovic <aleksandar.markovic@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18581/
* MIPS: ranchu: Add Ranchu as a new generic-based boardMiodrag Dinic2018-01-223-0/+103
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide amendments to the MIPS generic platform framework so that the new generic-based board Ranchu can be chosen to be built. The Ranchu board is intended to be used by Android emulator. The name "Ranchu" originates from Android development community. "Goldfish" and "Ranchu" are terms used for two generations of virtual boards used by Android emulator. The name "Ranchu" is a newer one among the two, and this patch deals with Ranchu. However, for historical reasons, some devices/drivers still contain the name "Goldfish". MIPS Ranchu machine includes a number of Goldfish devices. The support for Virtio devices is also included. Ranchu board supports up to 16 Virtio devices which can be attached using Virtio MMIO Bus. This is summarized in the following picture: ABUS ||----MIPS CPU || | IRQs ||----Goldfish PIC------------(32)-------- || | | | | | | | | | ||----Goldfish TTY------ | | | | | | | | || | | | | | | | | ||----Goldfish RTC-------- | | | | | | | || | | | | | | | ||----Goldfish FB----------- | | | | | | || | | | | | | ||----Goldfish Events--------- | | | | | || | | | | | ||----Goldfish Audio------------ | | | | || | | | | ||----Goldfish Battery------------ | | | || | | | ||----Android PIPE------------------ | | || | | ||----Virtio MMIO Bus | | || | | | | | || | | (virtio-block)--------- | || (16) | | || | (virtio-net)------------------ Device Tree is created on the QEMU side based on the information about devices IO map and IRQ numbers. Kernel will load this DTB using UHI boot protocol DTB handover mode. Signed-off-by: Miodrag Dinic <miodrag.dinic@mips.com> Signed-off-by: Goran Ferenc <goran.ferenc@mips.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@mips.com> Reviewed-by: James Hogan <jhogan@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/18138/ Signed-off-by: James Hogan <jhogan@kernel.org>
* Merge tag 'mips_4.15' of ↵Linus Torvalds2017-11-152-0/+28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ...
| * MIPS: generic: Add support for MIPSfpgaZubair Lutfullah Kakakhel2017-11-082-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge tag 'mips_fixes_4.14' of ↵Linus Torvalds2017-11-043-3/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips Pull MIPS fixes from James Hogan: "A selection of important MIPS fixes for 4.14, and some MAINTAINERS / email address updates: Maintainership updates: - imgtec.com -> mips.com email addresses (this trivially updates comments in quite a few files, as well as MAINTAINERS) - Pistachio SoC maintainership update Fixes: - NI 169445 build (new platform in 4.14) - EVA regression (4.14) - SMP-CPS build & preemption regressions (4.14) - SMP/hotplug deadlock & race (deadlock reintroduced 4.13) - ebpf_jit error return (4.13) - SMP-CMP build regressions (4.11 and 4.14) - bad UASM microMIPS encoding (3.16) - CM definitions (3.15)" [ I had taken the email address updates separately, because I didn't expect James to send a pull request, so those got applied twice. - Linus] * tag 'mips_fixes_4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: MIPS: Update email address for Marcin Nowakowski MIPS: smp-cmp: Fix vpe_id build error MAINTAINERS: Update Pistachio platform maintainers MIPS: smp-cmp: Use right include for task_struct MIPS: Update Goldfish RTC driver maintainer email address MIPS: Update RINT emulation maintainer email address MIPS: CPS: Fix use of current_cpu_data in preemptible code MIPS: SMP: Fix deadlock & online race MIPS: bpf: Fix a typo in build_one_insn() MIPS: microMIPS: Fix incorrect mask in insn_table_MM MIPS: Fix CM region target definitions MIPS: generic: Fix compilation error from include asm/mips-cpc.h MIPS: Fix exception entry when CONFIG_EVA enabled MIPS: generic: Fix NI 169445 its build Update MIPS email addresses
| * | MIPS: Update email address for Marcin NowakowskiMarcin Nowakowski2017-11-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MIPS is no longer part of Imagination Technologies and my @imgtec.com address will soon stop working. Update any files containing my address as well as the .mailmap to point to my new @mips.com address. Signed-off-by: Marcin Nowakowski <marcin.nowakowski@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/17579/ Signed-off-by: James Hogan <jhogan@kernel.org>
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