- 23 10月, 2014 1 次提交
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由 David Daney 提交于
There is no reason to have the kernel to append commands when running under the simulator, the simulator is perfectly capable of supplying the necessary command line arguments. Furthermore, if the simulator needs something different than what is hard coded in the kernel, it cannot get it if the kernel overrides it. Fix/Simplify the whole thing by removing this bit. Signed-off-by: NDavid Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8152/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 26 8月, 2014 2 次提交
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由 Aaro Koskinen 提交于
get_system_type() is not thread-safe on OCTEON. It uses static data, also more dangerous issue is that it's calling cvmx_fuse_read_byte() every time without any synchronization. Currently it's possible to get processes stuck looping forever in kernel simply by launching multiple readers of /proc/cpuinfo: (while true; do cat /proc/cpuinfo > /dev/null; done) & (while true; do cat /proc/cpuinfo > /dev/null; done) & ... Fix by initializing the system type string only once during the early boot. Signed-off-by: NAaro Koskinen <aaro.koskinen@nsn.com> Cc: stable@vger.kernel.org Reviewed-by: NMarkos Chandras <markos.chandras@imgtec.com> Patchwork: http://patchwork.linux-mips.org/patch/7437/Signed-off-by: NJames Hogan <james.hogan@imgtec.com>
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由 Sergey Ryazanov 提交于
Add common declaration to get rid of following sparse warning: "symbol 'plat_irq_dispatch' was not declared. Should it be static?" Signed-off-by: NSergey Ryazanov <ryazanov.s.a@gmail.com> Cc: Linux MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7539/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 20 8月, 2014 1 次提交
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由 Aaro Koskinen 提交于
get_system_type() is not thread-safe on OCTEON. It uses static data, also more dangerous issue is that it's calling cvmx_fuse_read_byte() every time without any synchronization. Currently it's possible to get processes stuck looping forever in kernel simply by launching multiple readers of /proc/cpuinfo: (while true; do cat /proc/cpuinfo > /dev/null; done) & (while true; do cat /proc/cpuinfo > /dev/null; done) & ... Fix by initializing the system type string only once during the early boot. Signed-off-by: NAaro Koskinen <aaro.koskinen@nsn.com> Cc: stable@vger.kernel.org Reviewed-by: NMarkos Chandras <markos.chandras@imgtec.com> Patchwork: http://patchwork.linux-mips.org/patch/7437/Signed-off-by: NJames Hogan <james.hogan@imgtec.com>
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- 19 8月, 2014 1 次提交
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由 Sergey Ryazanov 提交于
Add common declaration to get rid of following sparse warning: "symbol 'plat_irq_dispatch' was not declared. Should it be static?" Signed-off-by: NSergey Ryazanov <ryazanov.s.a@gmail.com> Cc: Linux MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7539/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 23 5月, 2014 2 次提交
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由 Paul Bolle 提交于
Three checks for CONFIG_CAVIUM_GDB were added in v2.6.29. But the Kconfig symbol CAVIUM_GDB was never added to the tree. Remove these checks. Also remove the last reference to octeon_get_boot_debug_flag(). There is no definition of that function anyway. Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Tested-by: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>) Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/6976/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Paul Bolle 提交于
A check for CONFIG_CAVIUM_REPORT_SINGLE_BIT_ECC was added in v2.6.29, but without the related Kconfig symbol. Remove this check. Also remove the test for an "ecc_verbose" kernel parameter. It is undocumented and has no effect anyway. Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/6955/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 30 4月, 2014 1 次提交
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由 Rob Herring 提交于
The octeon FDT code can be simplified by using unflatten_and_copy_device_tree function. This removes all accesses to FDT header data by the arch code. Signed-off-by: NRob Herring <robh@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Tested-by: NGrant Likely <grant.likely@linaro.org>
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- 30 10月, 2013 1 次提交
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由 Ralf Baechle 提交于
Panic() is going to add a \n itself and it's annoying if a panic message rolls of the screen on a device with no scrollback. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 26 8月, 2013 1 次提交
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由 Aaro Koskinen 提交于
Fix I/O space setup, so that on non-PCI systems using inb()/outb() won't crash the system. Some drivers may try to probe I/O space and for that purpose we can just allocate some normal memory initially. Drivers trying to reserve a region will fail early as we set the size to 0. If a real I/O space is present, the PCI/PCIe support code will re-adjust the values accordingly. Tested with EdgeRouter Lite by enabling CONFIG_SERIO_I8042 that caused the originally reported crash. Reported-by: NFaidon Liambotis <paravoid@debian.org> Signed-off-by: NAaro Koskinen <aaro.koskinen@iki.fi> Acked-by: NDavid Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5626/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 22 6月, 2013 1 次提交
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由 David Daney 提交于
Commit abe77f90 (MIPS: Octeon: Add kexec and kdump support) added a bootmem region for the kernel image itself. The problem is that this is rounded up to a 0x100000 boundary, which is memory that may not be owned by the kernel. Depending on the kernel's configuration based size, this 'extra' memory may contain data passed from the bootloader to the kernel itself, which if clobbered makes the kernel crash in various ways. The fix: Quit rounding the size up, so that we only use memory assigned to the kernel. Signed-off-by: NDavid Daney <david.daney@cavium.com> Cc: <stable@vger.kernel.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5449/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 18 6月, 2013 1 次提交
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由 Ralf Baechle 提交于
If CONFIG_CAVIUM_OCTEON_LOCK_L2_TLB, CONFIG_CAVIUM_OCTEON_LOCK_L2_EXCEPTION, CONFIG_CAVIUM_OCTEON_LOCK_L2_LOW_LEVEL_INTERRUPT and CONFIG_CAVIUM_OCTEON_LOCK_L2_INTERRUPT are all undefined: arch/mips/cavium-octeon/setup.c: In function ‘prom_init’: arch/mips/cavium-octeon/setup.c:715:12: error: unused variable ‘ebase’ [-Werror=unused-variable] Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 11 6月, 2013 1 次提交
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由 David Daney 提交于
This config option doesn't exist any more, remove the leftover code for it too. Signed-off-by: NDavid Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5302/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 06 6月, 2013 1 次提交
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由 David Daney 提交于
As noted by Wladislav Wiebe: $ halt .. Sent SIGKILL to all processes Requesting system halt [66.729373] System halted. [66.733244] [66.734761] ===================================== [66.739473] [ BUG: lock held at task exit time! ] [66.744188] 3.8.7-0-sampleversion-fct #49 Tainted: G O [66.750202] ------------------------------------- [66.754913] init/21479 is exiting with locks still held! [66.760234] 1 lock held by init/21479: [66.763990] #0: (reboot_mutex){+.+...}, at: [<ffffffff801776c8>] SyS_reboot+0xe0/0x218 [66.772165] [66.772165] stack backtrace: [66.776532] Call Trace: [66.778992] [<ffffffff805780a8>] dump_stack+0x8/0x34 [66.783972] [<ffffffff801618b0>] do_exit+0x610/0xa70 [66.788948] [<ffffffff801777a8>] SyS_reboot+0x1c0/0x218 [66.794186] [<ffffffff8013d6a4>] handle_sys64+0x44/0x64 This is an alternative fix to the one sent by Wladislav. We kill the watchdog for each CPU and then spin in WAIT with interrupts disabled. This is the lowest power mode for the OCTEON. If we were to spin with interrupts enabled, we would get a continual stream of warning messages and backtraces from the lockup detector, so I chose to disable interrupts. Signed-off-by: NDavid Daney <david.daney@cavium.com> Cc: Maxim Uvarov <muvarov@gmail.com> Cc: Wladislav Wiebe <wladislav.kw@gmail.com> Cc: linux-mips@linux-mips.org Cc: David Daney <david.daney@cavium.com> Patchwork: https://patchwork.linux-mips.org/patch/5324/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 05 4月, 2013 1 次提交
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由 EunBong Song 提交于
Singed-off-by: NEunBong Song <eunb.song@samsung.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 01 2月, 2013 1 次提交
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由 Ralf Baechle 提交于
Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 14 12月, 2012 2 次提交
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由 David Daney 提交于
Some initialization errors are reported with the existing OCTEON EDAC support patch. Also some parts have more than one memory controller. Fix the errors and add multiple controllers if present. Signed-off-by: NDavid Daney <david.daney@cavium.com>
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由 Ralf Baechle 提交于
[ralf@linux-mips.org: Original patch by Maxim Uvarov <muvarov@gmail.com> with plenty of further shining, polishing, debugging and testing by me.] Signed-off-by: NMaxim Uvarov <muvarov@gmail.com> Cc: linux-mips@linux-mips.org Cc: kexec@lists.infradead.org Cc: horms@verge.net.au Patchwork: https://patchwork.linux-mips.org/patch/1026/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 12 12月, 2012 4 次提交
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由 Ralf Baechle 提交于
No 32-bit kernels supported on Octeon. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Only supporting 64-bit kernels there is no point in depending on this symbol. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
On Cavium hardware only 64-bit kernels are supported so CONFIG_HIGHMEM is never set. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Drivers for EDAC on Cavium. Supported subsystems are: o CPU primary caches. These are parity protected only, so only error reporting. o Second level cache - ECC protected, provides SECDED. o Memory: ECC / SECDEC if used with suitable DRAM modules. The driver will will only initialize if ECC is enabled on a system so is safe to run on non-ECC memory. o PCI: Parity error reporting Since it is very hard to test this sort of code the implementation is very conservative and uses polling where possible for now. Signed-off-by: NRalf Baechle <ralf@linux-mips.org> Reviewed-by: NBorislav Petkov <borislav.petkov@amd.com>
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- 01 9月, 2012 1 次提交
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由 David Daney 提交于
Also cleanup and fix octeon_init_cvmcount() Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Acked-by: NDavid S. Miller <davem@davemloft.net>
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- 23 7月, 2012 1 次提交
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由 David Daney 提交于
If a compiled in device tree template is used, trim out unwanted parts based on legacy platform probing. Signed-off-by: NDavid Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: devicetree-discuss@lists.ozlabs.org Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: linux-kernel@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Patchwork: https://patchwork.linux-mips.org/patch/3935/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 15 5月, 2012 1 次提交
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由 Paul Gortmaker 提交于
These will show up as a build failure once we clean up a misuse of module.h in the mips termios header. Uses export.h: (EXPORT_SYMBOL) arch/mips/cavium-octeon/setup.c arch/mips/pmc-sierra/yosemite/setup.c arch/mips/rb532/devices.c arch/mips/sni/setup.c Uses module.h: (symbol_get/put) arch/mips/alchemy/devboards/db1200.c Uses module.h: (print_modules) arch/mips/kernel/traps.c Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3448/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 29 3月, 2012 1 次提交
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由 David Howells 提交于
Disintegrate asm/system.h for MIPS. Signed-off-by: NDavid Howells <dhowells@redhat.com> Acked-by: NRalf Baechle <ralf@linux-mips.org> cc: linux-mips@linux-mips.org
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- 08 12月, 2011 2 次提交
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由 David Daney 提交于
This patch addresses a couple of related problems: 1) The kernel may reside in physical memory outside of the ranges set by plat_mem_setup(). If this is the case, init mem cannot be reused as it resides outside of the range of pages that the kernel memory allocators control. 2) initrd images might be loaded in physical memory outside of the ranges set by plat_mem_setup(). The memory likewise cannot be reused. The patch doesn't handle this specific case, but the infrastructure is useful for future patches that do. The crux of the problem is that there are memory regions that need be memory_present(), but that cannot be free_bootmem() at the time of arch_mem_init(). We create a new type of memory (BOOT_MEM_INIT_RAM) for use with add_memory_region(). Then arch_mem_init() adds the init mem with this type if the init mem is not already covered by existing ranges. When memory is being freed into the bootmem allocator, we skip the BOOT_MEM_INIT_RAM ranges so they are not clobbered, but we do signal them as memory_present(). This way when they are later freed, the necessary memory manager structures have initialized and the Sparse allocater is prevented from crashing. The Octeon specific code that handled this case is removed, because the new general purpose code handles the case. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1988/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Panic() invokes printk() to add a \n internally, so panic arguments should not themselves end in \n. Panic invocations in arch/mips and elsewhere are inconsistently sometimes terminating in \n, sometimes not. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 19 5月, 2011 1 次提交
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由 Chandrakala Chavva 提交于
Octeon uses different interrupt irq for timer and performance counters. Set CvmCtl[IPPCI] to correct irq value very early. Signed-off-by: NChandrakala Chavva <cchavva@caviumnetworks.com> Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Cc: Chandrakala Chavva <cchavva@caviumnetworks.com> Patchwork: https://patchwork.linux-mips.org/patch/2085/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 31 3月, 2011 1 次提交
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由 Lucas De Marchi 提交于
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: NLucas De Marchi <lucas.demarchi@profusion.mobi>
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- 29 3月, 2011 1 次提交
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由 David Daney 提交于
This includes conversion to new style irq_chip functions, and correctly enabling/disabling per-CPU interrupts. The hardware interrupt bit to irq number mapping is now done with a flexible map, instead of by bit twiddling the irq number. [ tglx: Adjusted to new irq_cpu_on/offline callbacks and __irq_set_affinity_lock ] Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Cc: linux-mips@linux-mips.org Cc: ralf@linux-mips.org LKML-Reference: <1301081931-11240-5-git-send-email-ddaney@caviumnetworks.com> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 30 10月, 2010 3 次提交
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由 David Daney 提交于
The CN63XXP1 needs a couple of workarounds to ensure memory is not written in unexpected ways. All PREF with hints in the range 0-4,6-24 are replaced with PREF 28. We pass a flag to the assembler to cover compiler generated code, and patch uasm for the dynamically generated code. The write buffer threshold is reduced to 4. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1672/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 David Daney 提交于
Starting with cn63xx Octeon I/O blocks are clocked at a different rate than the CPU. Add a new function octeon_get_io_clock_rate() that yields the I/O clock rate. Also rearrange octeon_get_clock_rate() to get the value from the saved sysinfo structure. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1671/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 David Daney 提交于
We can run with any simulator clock rate. Get rid of the code overriding it to 6MHz. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1669/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 05 8月, 2010 4 次提交
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由 David Daney 提交于
We reserve the 3.75GB - 4GB region of PCIe address space for device to device transfers, making the corresponding physical memory under direct mapping unavailable for DMA. To allow for PCIe DMA to all physical memory we map this chunk of physical memory with BAR1. Because of the resulting discontinuity in the mapping function, we remove a page of memory at each end of the range so multi-page DMA buffers can never be allocated that span the range. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1535/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 David Daney 提交于
The forthcoming watchdog driver will use it. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org To: wim@iguana.be Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1499/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 David Daney 提交于
Power throttling make deterministic delay loops impossible. Re-implement delays using the cycle counter. This also allows us to get rid of the code that calculates loops per jiffy. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1317/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Christoph Egger 提交于
CONFIG_GDB_CONSOLE doesn't exist in Kconfig, therefore removing all references for it from the source code. Signed-off-by: NChristoph Egger <siccegge@cs.fau.de> To: David Daney <ddaney@caviumnetworks.com> To: Yang Shi <yang.shi@windriver.com> To: Herbert Xu <herbert@gondor.apana.org.au> To: Tejun Heo <tj@kernel.org> To: linux-mips@linux-mips.org To: linux-kernel@vger.kernel.org Cc: vamos@i4.informatik.uni-erlangen.de Patchwork: https://patchwork.linux-mips.org/patch/1368/Acked-by: NDavid Daney <ddaney@caviumnetworks.com> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 22 5月, 2010 2 次提交
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由 David Daney 提交于
For the simulator, fake a slow clock to get fast output. In prom_putchar we have to mask the value so the simulator doesn't ASSERT when printing non-ASCII characters. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1255/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 David Daney 提交于
Get rid of early_serial_setup, we use CONFIG_EARLY_PRINTK instead. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1254/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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