- 08 1月, 2010 2 次提交
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由 Sonic Zhang 提交于
In blackfin, kgdb is running in delayed exception IRQ5 other than in exception IRQ3 directly. Register reti other than retx in pt_regs is the kgdb return address. So, don't put PC in gdb_regs into retx. CC: Mike Frysinger <vapier@gentoo.org> Signed-off-by: NSonic Zhang <sonic.adi@gmail.com> Signed-off-by: NJason Wessel <jason.wessel@windriver.com>
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由 Jason Wessel 提交于
Blackfin needs it own arch specific probe_kernel_read() and probe_kernel_write(). This was moved out of the kgdb code and into the arch/blackfin/maccess.c, because it is a generic kernel api. The arch specific kgdb.c for blackfin was cleaned of all functions which exist in the kgdb core that do the same thing after resolving the probe_kernel_read() and probe_kernel_write(). This also eliminated the need for most of the #include's. CC: Sonic Zhang <sonic.adi@gmail.com> Signed-off-by: NJason Wessel <jason.wessel@windriver.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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- 07 1月, 2010 1 次提交
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由 Mike Frysinger 提交于
The current code will load the stack size and protection markings, but then only use the markings in the MMU code path. The NOMMU code path always passes PROT_EXEC to the mmap() call. While this doesn't matter to most people whilst the code is running, it will cause a pointless icache flush when starting every FDPIC application. Typically this icache flush will be of a region on the order of 128KB in size, or may be the entire icache, depending on the facilities available on the CPU. In the case where the arch default behaviour seems to be desired (EXSTACK_DEFAULT), we probe VM_STACK_FLAGS for VM_EXEC to determine whether we should be setting PROT_EXEC or not. For arches that support an MPU (Memory Protection Unit - an MMU without the virtual mapping capability), setting PROT_EXEC or not will make an important difference. It should be noted that this change also affects the executability of the brk region, since ELF-FDPIC has that share with the stack. However, this is probably irrelevant as NOMMU programs aren't likely to use the brk region, preferring instead allocation via mmap(). Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 16 12月, 2009 2 次提交
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由 Christoph Hellwig 提交于
Currently all architectures but microblaze unconditionally define USE_ELF_CORE_DUMP. The microblaze omission seems like an error to me, so let's kill this ifdef and make sure we are the same everywhere. Signed-off-by: NChristoph Hellwig <hch@lst.de> Acked-by: NHugh Dickins <hugh.dickins@tiscali.co.uk> Cc: <linux-arch@vger.kernel.org> Cc: Michal Simek <michal.simek@petalogix.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michael Hennerich 提交于
Framebuffer driver for the Landscape LCD EZ-Extender (ADZS-BFLLCD-EZEXT) http://docs.blackfin.uclinux.org/doku.php?id=hw:cards:landscape_lcd_ez-extenderSigned-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 15 12月, 2009 35 次提交
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由 David Daney 提交于
Use the new unreachable() macro instead of for(;;); Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Commit a2e27255 added recvmmsg to a bunch of arches (including the Blackfin entry.S), but didn't actually add the new __NR_ define for it. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Alan Jenkins 提交于
The next commit will require the use of MODULE_SYMBOL_PREFIX in .tmp_exports-asm.S. Currently it is mixed in with C structure definitions in "asm/module.h". Move the definition of this arch option into Kconfig, so it can be easily accessed by any code. This also lets modpost.c use the same definition. Previously modpost relied on a hardcoded list of architectures in mk_elfconfig.c. A build test for blackfin, one of the two MODULE_SYMBOL_PREFIX archs, showed the generated code was unchanged. vmlinux was identical save for build ids, and an apparently randomized suffix on a single "__key" symbol in the kallsyms data). Signed-off-by: NAlan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Mike Frysinger <vapier@gentoo.org> (blackfin) CC: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Mike Frysinger 提交于
The Blackfin sched_clock() func is pretty much a duplicate of the common version, so just punt it. Reported-by: NDavid Miller <davem@davemloft.net> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Normally there is no user-reserved memory after the DMA region which means there is no user-reserved ICPLB coverage. So the DMA hole can be covered by the large hole that is always added to cover up to the async bank. We only need an explicit DMA whole when we also add an explicit mapping for the user-reserved memory. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
- document simple global symbols - convert printk to pr_* - clean up spurious whitespace - use min_t() Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Alexey Dobriyan 提交于
The read_proc and write_proc interfaces are going to be removed in the common kernel code. Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
The former no longer exists. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
The ax88180 driver was never merged, so drop the corresponding resources. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Cliff Cai 提交于
Signed-off-by: NCliff Cai <cliff.cai@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Cliff Cai 提交于
Signed-off-by: NCliff Cai <cliff.cai@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Include the AD714x SPI/I2C resources based on what is possible. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Michael Hennerich 提交于
Matches feedback for driver changes. Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Michael Hennerich 提交于
The ADXL34x driver was updated to include orientation sensing, so have the bf537-stamp use it by default. Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Whole lot of duplicated code here just went bye bye. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Whole lot of duplicated code here just went bye bye. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
The error masks are only needed in the BF537 demux error code, so instead of needing all the short peripheral defines in global space, push these masks into the one file where they are actually needed. This fixes a bunch of define collisions with common code (can/serial/etc...). Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NBarry Song <barry.song@analog.com>
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由 Yi Li 提交于
When testing PREEMPT_RT kernel on BF561-EZKit, the kernel blocks while booting. When the kernel initializes the ethernet driver, it sleeps and never wakes up. The issue happens when the kernel waits for a timer for Core B to timeout (the timers are per-cpu based: static DEFINE_PER_CPU(struct tvec_base *, tvec_bases) = &boot_tvec_bases). However, the ksoftirqd thread for Core B (note, the ksoftirqd thread is also per-cpu based) cannot work properly, and the timers for Core B never times out. When ksoftirqd() for the first time runs on core B, it is possible core A is still initializing core B (see smp_init() -> cpu_up() -> __cpu_up()). So the "cpu_is_offline()" check may return true and ksoftirqd moves to "wait_to_die". So delay the core b start up until the per-cpu timers have been set up fully. Signed-off-by: NYi Li <yi.li@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
While fetching instructions at the boundary of L1 instruction SRAM, a false External Memory Addressing Error might be triggered. We should ignore this and continue on our way to avoid random crashes. Because hardware errors are not exact in the Blackfin architecture, we need to catch a few more common cases when the code flow changes and the signal is finally delivered. Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
These regions are either read-only and won't work anyways (bootrom), or we don't want people screwing with them because they're shared between all processes (fixed code). Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
The NOMPU code already supported executing in the async banks, so this brings the MPU code in line. Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
The point of this small chunk was to avoid anomaly 05000310. This never really seemed to do what it was intended though -- no valid CPLBs exist over the reserved memory, and there is often memory before it anyways (due to the uClinux MTD and/or reserved DMA region). Plus, it doesn't address the L1 instruction case. So drop this chunk as it wastes memory and is affront to humanity. Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Barry Song 提交于
When working with 8 meg systems, forcing a 1 meg DMA chunk heavily cuts into the available resources. So support smaller chunks to better cover needs for these systems. Signed-off-by: NBarry Song <barry.song@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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由 Mike Frysinger 提交于
While we're moving the BF54x code, have the BF54xM variants select the normal BF54x values so that the rest of the Kconfig tree doesn't need to check the BF54xM variant everytime it wants to check the BF54x. Signed-off-by: NMike Frysinger <vapier@gentoo.org>
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