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| * Blackfin arch: Add basic irq stack checking for BlackfinRobin Getz2009-01-07
| | | | | | | | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: dma_memcpy() - do not return NULL when transferring a ↵Mike Frysinger2009-01-07
| | | | | | | | | | | | | | | | multiple of 65k Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: remove #if check on L2_LENGTHMike Frysinger2009-01-07
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: rename MAX_BLACKFIN_DMA_CHANNEL to MAX_DMA_CHANNELS to match ↵Mike Frysinger2009-01-07
| | | | | | | | | | | | | | | | everyone else Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: add const to some function prototype and struct dma_channelMichael McTernan2009-01-07
| | | | | | | | | | | | | | 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>
| * Blackfin arch: implement support for /proc/dmaGraf Yang2009-01-07
| | | | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: smp patch cleanup from LKML reviewGraf Yang2009-01-07
| | | | | | | | | | | | | | | | | | 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>
| * Blackfin arch: fix bugs in linker script when using upstream binutilsBernd Schmidt2009-01-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * Blackfin arch: Remove all traces of the relocation stackBernd Schmidt2009-01-07
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * Blackfin arch: tweak the BUG_ON() check to allow for equal valuesMike Frysinger2009-01-07
| | | | | | | | | | | | | | | | | | 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>
| * Blackfin arch: rewrite cplbinfo to use seq filesMike Frysinger2009-01-07
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Allow a gpio pin be requested both as gpio and irq.Graf Yang2009-01-07
| | | | | | | | | | | | | | | | | | | | | | | | [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>
| * Blackfin arch: delete now unused "cclk" member of blackfin_cpudataMike Frysinger2009-01-07
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Fix bug - change cpufreq doesn't take effect on bf537 nowMichael Hennerich2008-11-18
| | | | | | | | | | | | | | | | CCLK is variable: get current CCLK in show_cpuinfo Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Request the gpio resource when making it as an irq pin, ↵Graf Yang2008-11-18
| | | | | | | | | | | | | | | | avoiding override it. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: add BUG_ON() checks to make sure we dont overflow the cplb tablesMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: noMMU CPLB lookup tables can be in L1 SRAMMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | | | | | - unify duplicate page_size_table definitions - make sure it is placed alongside the other cplb switching code Pointed-out-by: Michael McTernan <mmcternan@airvana.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: do not include init sections in the kernel lock down as it ↵Mike Frysinger2008-11-18
| | | | | | | | | | | | | | | | gets released afterwards Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: change return valueMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | | | change return of close_cplbtab() and fill_cplbtab() to void since we always return 0 and nowhere do we check this Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: remove pointless define IN_KERNELMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: unify cplbinfo filesMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | Merge MPU and noMPU version of CPLB info code to one common version. Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: remove BFIN_DMA_5XX optionMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | | | Do not make BFIN_DMA_5XX optional since a large portion of our code relies on dma functions existing Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: cleanup the time.c codeMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | | | - make the code a bit more readable - kill of warnings/ifdef mess a bit Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: do not define decode_instruction if hwtrace is turned offMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: move out irq related functionsMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | move irq related functions into asm/irq.h and out of the mondo asm/system.h Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: introduce an IM_MEM macro to kgdbMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | | | create an IN_MEM() macro to simplify comparing an address in an on-chip region of memory and make things readable Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix off-by-one errors on end of memory rangeMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: delete unused vars and add parenthesis to fixup warningsMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: move fixed code into init sectionMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: remove superficial check on blackfin watchdogMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: dont export ack_bad_irq as no one else doesMike Frysinger2008-11-18
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: overlay thread.usp over PT_USPMike Frysinger2008-11-18
| | | | | | | | | | | | | | | | | | overlay thread.usp over PT_USP when getting the whole regfile to match PT_USP behavior Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Fix bug - hardware breakpoint doesn't always work in kgdbSonic Zhang2008-11-18
| | | | | | | | | | | | | | | | | | | | | | | | Hardware breakpoint doesn't always work in kgdb. It works at the first two times, but if you repeatedly trigger that hardware breakpoint, it would slip over that point once in two times. Fix it by always setting hw bp skip to 0. gdb does skip after hw bp trap. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: SMP supporting patchset: some other misc codeGraf Yang2009-01-07
| | | | | | | | | | | | | | | | | | | | | | Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to some other misc code Singed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: SMP supporting patchset: Blackfin kernel and memory ↵Graf Yang2008-11-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | management code Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to Blackfin kernel and memory management code Singed-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>
| * Blackfin arch: SMP supporting patchset: Blackfin CPLB related codeGraf Yang2008-11-18
| | | | | | | | | | | | | | | | | | | | | | Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to Blackfin CPLB related code Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Convert Blackfin GPIO driver to use common gpiolib/gpiochip ↵Michael Hennerich2008-11-18
| | | | | | | | | | | | | | | | | | | | | | | | infrastructure - This patch adds support for ARCH_WANT_OPTIONAL_GPIOLIB. - It may be changed in future to ARCH_REQUIRE_GPIOLIB. - Change GPIO_BANK_NUM use DIV_ROUND_UP( , ) macro Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix bug - gpio_bank() macros messed up bank number caculating ↵Bryan Wu2008-11-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | with positioning a gpio The whole story: Before BF51x merged, all the MAX_BLACKFIN_GPIOS are integral multiple of GPIO_BANKSIZE (= 16). But BF51x provides MAX_BLACKFIN_GPIOS = 40 which includes 3 banks and the 3rd bank has only 8 GPIO pins. Therefore, gpio_bank() macros is correct when you try to find a GPIO in which bank (GPIO_35 is in bank 2). But on BF51x gpio_bank(MAX_BLACKFIN_GPIOS) only gives out 2 banks instead of 3 banks for some static array initialization. This patch add a new macros gpio_bank_n() and GPIO_BANK_NUM to do bank number caculating and remain the gpio_bank() macros for positioning a gpio in which bank. Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: remove most BUG_ON channel checksMichael Hennerich2008-10-28
| | | | | | | | | | | | | | | | keep BUG_ON in DMA request, free and set_dma_callback. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Remove useless SSYNCs in DMA codeMichael Hennerich2008-10-28
| | | | | | | | | | | | | | Tons of SSYNC operation will impact the DMA performance Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: lookup channel2irq() only onceMichael Hennerich2008-10-28
| | | | | | | | | | | | | | | | | | Add irq to struct dma_channel lookup channel2irq() only once, since channel2irq() is fairly large on some Blackfin derivatives. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: refine the gpio checkMike Frysinger2008-10-28
| | | | | | | | | | | | | | | | | | refine the gpio check in peripheral_request() so that it only checks pins that can be used as both GPIO and a peripheral Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: unify port_setup() to reduce arch differencesMike Frysinger2008-10-28
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: unify peripheral_request() to reduce arch differencesMike Frysinger2008-10-28
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix cmp_label() so it doesnt incorrectly accept partial ↵Mike Frysinger2008-10-28
| | | | | | | | | | | | | | | | leading matches Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: unify check_gpio() to reduce arch differencesMike Frysinger2008-10-28
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: remove unused local defineMike Frysinger2008-10-28
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: add support for Blackfin latest processor family BF51xBryan Wu2008-11-18
| | | | | | | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: drop unused exports and comment remaining exportsMike Frysinger2008-10-27
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: move EXPORT_SYMBOL to the place where it is actually definedMike Frysinger2008-10-27
| | | | | | | | | | | | | | | | | | | | - kernel_thread - irq_flags - checksum Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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