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2009-01-07Blackfin arch: dma code: cannot simply OR the ndsizeMike Frysinger
cannot simply OR the ndsize ... need to clear out the old value first Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: add bfin_read_MDMA_S0_CONFIG compat for dma_memcpyMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: fix bug - crashes in tcp_v4_send_resetBernd Schmidt
Michael says that some bugs are crashes in tcp_v4_send_reset. There's a missing clobber of "CC" in our checksum assembly statement; fixing this makes the generated code look much saner. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: push cache flushing up to dma_memcpyMike Frysinger
push cache flushing up to dma_memcpy() so that we call the flush functions just once Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: request_dma() returns 0 on success, not channelMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: desc_ptr is a pointer, so declare it as suchMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: move most dma functions into static inlinesMike Frysinger
move most dma functions into static inlines since they are vastly 1 liners that get/set a value in a structure Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: dma header file: strip down includes to only necessary onesMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: set_dma_callback: do not store .irqMike Frysinger
set_dma_callback: do not store .irq if request_irq() failed so we dont turn around and attempt to free_irq() it later on in free_dma() Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: drop irq_callback from struct dma_channelMike Frysinger
the irq member already serves the same purpose Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: drop custom dma_interrupt_t and just use irq_handler_tMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: include linux/mm.h since we use PAGE_ALIGN and suchMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: enable DEBUG_KERNEL for ADI boardsMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: rewrite dma_memcpy() and dma in/out functionsMike Frysinger
- unify all dma in/out functions (takes ~35 lines of code now) - unify dma_memcpy with dma in/out functions (1 place that touches MDMA0 registers) - add support for 32bit transfers - cleanup dma_memcpy code to be much more readable - irqs are disabled only while programming MDMA registers rather than the entire transaction Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: check pointers in safe_dma_memcpyMike Frysinger
Check pointers in safe_dma_memcpy as this is the entry point for user-space code Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: push bf561 PERIPHERAL_MAP oddity into bf561-specific codeMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: ADP5588 QWERTY I2C Keyboard Input device driverMichael Hennerich
Add BF537-STAMP platform Support Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: cleanup - use scm for changelog, not file headersMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Add basic irq stack checking for BlackfinRobin Getz
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Set TWI/I2C Clock to 100kHzMike Frysinger
All slaves I'm aware of should support at least 100kHz Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: dma_memcpy() - do not return NULL when transferring a ↵Mike Frysinger
multiple of 65k Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Add BF537-STAMP platform support for ENC28J60 SPI Ethernet MACMichael Hennerich
This device shouldn't be considered as an alternative to a Memory Mapped or built-in Ethernet MAC. Throughput is slow (~460kByte/s) while generating a very high system load (~60%). Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: remove #if check on L2_LENGTHMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Retire old spi_mmc driverYi Li
Turn to use the mmc_spi driver in mainline kernel. Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: add mmc_spi support to BF537-STAMPYi Li
Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: rename MAX_BLACKFIN_DMA_CHANNEL to MAX_DMA_CHANNELS to match ↵Mike Frysinger
everyone else Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: fix bug - kernel build fails with undefined reference to ↵Michael Hennerich
pm_overflow_handler Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Use reads/writes instead of ins/outs directlySonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: add const to some function prototype and struct dma_channelMichael McTernan
Signed-off-by: Michael McTernan <mmcternan@airvana.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: implement support for /proc/dmaGraf Yang
Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: smp patch cleanup from LKML reviewGraf Yang
1. Use inline get_l1_... functions instead of macro 2. Fix compile issue about smp barrier functions Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: get oprofile work for user spaceGraf Yang
Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: fix bugs in linker script when using upstream binutilsBernd Schmidt
Fix a few problems I discovered when building a kernel with upstream CVS binutils. We have to add the NOTES macro to our linker script, since a kernel built with --build-id is otherwise unable to boot. Last time NOTES was added, it broke things, but the definition of the macro has changed not to rely on parts of the linker script that aren't present on Blackfin. I also noticed that _l2_lma_start does not point into the kernel image, but rather somewhere in L1/L2 space, which seems unintended. Also, when the L2 section was added to the linker script, the part following it which computes then length of the init section was not updated. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Remove all traces of the relocation stackBernd Schmidt
Remove all traces of the relocation stack. It's been removed from binutils for years now. Add a sanity overflow check to pcrel24 relocations to catch modules that were built without -mlong-calls. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: tweak the BUG_ON() check to allow for equal valuesMike Frysinger
Tweak the BUG_ON() check to allow for equal values since the way pos is handled ... it is always indexed and post incremented Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: gpio.h split into machine subfolders like already done for BF54xMichael Hennerich
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: cleanup the header file commentsMike Frysinger
use scm changelog rather than comment blocks in files Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: rewrite cplbinfo to use seq filesMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: fix bugs and unify BFIN_KERNEL_CLOCK optionMichael Hennerich
- remove duplicated code and headers - add option allowing arbitrary SDRAM/DDR Timing parameters. - mark automatically calculated timings as EXPERIMENTAL - fix comment header block Related to BUGs: - kernel boot up fails with CONFIG_BFIN_KERNEL_CLOCK item on. - kernel does not boot if re-program clocks [ Mike Frysinger <vapier.adi@gmail.com> - fix comment header - mark do_sync static - document the DMA shutdown - simplify SIC_IWR handling - fix ANOMALY_05000265 handling to work as intended ] Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: add simple-gpio resources to all adi/tinyboardsMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Allow a gpio pin be requested both as gpio and irq.Graf Yang
[Mike Frysinger <vapier.adi@gmail.com>: - use KERN_NOTICE when using gpios as both irq and non rather than KERN_ERR - embedded newlines in printk() does not fly] Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: do not allow L2 to be cached on BF561 SMPMike Frysinger
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: delete now unused "cclk" member of blackfin_cpudataMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-06blackfin: introduce asm/swab.hHarvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-06atomic_t: unify all arch definitionsMatthew Wilcox
The atomic_t type cannot currently be used in some header files because it would create an include loop with asm/atomic.h. Move the type definition to linux/types.h to break the loop. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Cc: Huang Ying <ying.huang@intel.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-06trivial: fix then -> than typos in comments and documentationFrederik Schwarzer
- (better, more, bigger ...) then -> (...) than Signed-off-by: Frederik Schwarzer <schwarzerf@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-01-03Merge branch 'cpus4096-for-linus-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (77 commits) x86: setup_per_cpu_areas() cleanup cpumask: fix compile error when CONFIG_NR_CPUS is not defined cpumask: use alloc_cpumask_var_node where appropriate cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_t x86: use cpumask_var_t in acpi/boot.c x86: cleanup some remaining usages of NR_CPUS where s/b nr_cpu_ids sched: put back some stack hog changes that were undone in kernel/sched.c x86: enable cpus display of kernel_max and offlined cpus ia64: cpumask fix for is_affinity_mask_valid() cpumask: convert RCU implementations, fix xtensa: define __fls mn10300: define __fls m32r: define __fls h8300: define __fls frv: define __fls cris: define __fls cpumask: CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS cpumask: zero extra bits in alloc_cpumask_var_node cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/ cpumask: convert mm/ ...
2009-01-02Merge branch 'cpus4096-for-linus-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits) x86: export vector_used_by_percpu_irq x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and() sched: nominate preferred wakeup cpu, fix x86: fix lguest used_vectors breakage, -v2 x86: fix warning in arch/x86/kernel/io_apic.c sched: fix warning in kernel/sched.c sched: move test_sd_parent() to an SMP section of sched.h sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0 sched: activate active load balancing in new idle cpus sched: bias task wakeups to preferred semi-idle packages sched: nominate preferred wakeup cpu sched: favour lower logical cpu number for sched_mc balance sched: framework for sched_mc/smt_power_savings=N sched: convert BALANCE_FOR_xx_POWER to inline functions x86: use possible_cpus=NUM to extend the possible cpus allowed x86: fix cpu_mask_to_apicid_and to include cpu_online_mask x86: update io_apic.c to the new cpumask code x86: Introduce topology_core_cpumask()/topology_thread_cpumask() x86: xen: use smp_call_function_many() x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c ... Fixed up trivial conflict in kernel/time/tick-sched.c manually
2009-01-01blackfin: define __flsRusty Russell
Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Mike Frysinger <vapier@gentoo.org>
2008-12-31take init_fs to saner placeAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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