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* Blackfin arch: check pointers in safe_dma_memcpyMike Frysinger2009-01-071-3/+10
| | | | | | | | 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>
* Blackfin arch: push bf561 PERIPHERAL_MAP oddity into bf561-specific codeMike Frysinger2009-01-072-11/+8
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: ADP5588 QWERTY I2C Keyboard Input device driverMichael Hennerich2009-01-071-0/+94
| | | | | | | | Add BF537-STAMP platform Support Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: cleanup - use scm for changelog, not file headersMike Frysinger2009-01-078-195/+27
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Add basic irq stack checking for BlackfinRobin Getz2009-01-074-1/+40
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Set TWI/I2C Clock to 100kHzMike Frysinger2009-01-0710-10/+10
| | | | | | | | 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>
* Blackfin arch: dma_memcpy() - do not return NULL when transferring a ↵Mike Frysinger2009-01-071-2/+2
| | | | | | | | multiple of 65k Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Add BF537-STAMP platform support for ENC28J60 SPI Ethernet MACMichael Hennerich2009-01-071-0/+19
| | | | | | | | | | 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>
* Blackfin arch: remove #if check on L2_LENGTHMike Frysinger2009-01-071-5/+1
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Retire old spi_mmc driverYi Li2009-01-074-83/+0
| | | | | | | | 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>
* Blackfin arch: add mmc_spi support to BF537-STAMPYi Li2009-01-071-0/+39
| | | | | | Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: rename MAX_BLACKFIN_DMA_CHANNEL to MAX_DMA_CHANNELS to match ↵Mike Frysinger2009-01-0717-23/+23
| | | | | | | | everyone else Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: fix bug - kernel build fails with undefined reference to ↵Michael Hennerich2009-01-071-1/+1
| | | | | | | | pm_overflow_handler Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Use reads/writes instead of ins/outs directlySonic Zhang2009-01-071-6/+6
| | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: add const to some function prototype and struct dma_channelMichael McTernan2009-01-072-3/+3
| | | | | | | 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 Yang2009-01-071-4/+40
| | | | | | 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 Yang2009-01-0717-105/+92
| | | | | | | | | 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: get oprofile work for user spaceGraf Yang2009-01-076-25/+21
| | | | | | 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 Schmidt2009-01-071-2/+6
| | | | | | | | | | | | | | | | | | | 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: Add document about bfin-gpioGraf Yang2009-01-072-0/+74
| | | | | | | | | Add document about bfin-gpio when requesting a pin both as gpio and gpio interrupt. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Remove all traces of the relocation stackBernd Schmidt2009-01-071-132/+7
| | | | | | | | | | | | 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 Frysinger2009-01-071-4/+4
| | | | | | | | | 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: gpio.h split into machine subfolders like already done for BF54xMichael Hennerich2009-01-077-262/+379
| | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: cleanup the header file commentsMike Frysinger2009-01-071-19/+9
| | | | | | | | 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>
* Blackfin arch: rewrite cplbinfo to use seq filesMike Frysinger2009-01-071-125/+191
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: fix bugs and unify BFIN_KERNEL_CLOCK optionMichael Hennerich2009-01-0726-2842/+260
| | | | | | | | | | | | | | | | | | | | | | | - 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>
* Blackfin arch: add simple-gpio resources to all adi/tinyboardsMike Frysinger2009-01-076-0/+90
| | | | | | 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 Yang2009-01-073-18/+91
| | | | | | | | | | | | [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: do not allow L2 to be cached on BF561 SMPMike Frysinger2009-01-071-1/+1
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: delete now unused "cclk" member of blackfin_cpudataMike Frysinger2009-01-072-2/+0
| | | | | | 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 Hennerich2008-11-181-3/+4
| | | | | | | | 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 Yang2008-11-182-3/+16
| | | | | | | | avoiding override it. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Add code to free gpio when shutdown irqGraf Yang2008-11-181-1/+5
| | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: fix bug - reboot fails on BF527Mike Frysinger2008-11-182-2/+8
| | | | | | | | add ANOMALY_05000435 to handle SIC_IWR1 workaround for rebooting Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: add ANOMALY_05000435 to our headersMike Frysinger2008-11-186-0/+7
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: only define HI/LO macros for assembly filesMike Frysinger2008-11-181-5/+5
| | | | | | | | | Only define HI/LO macros for assembly files since some common C files use HI/LO as variable names Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: add BUG_ON() checks to make sure we dont overflow the cplb tablesMike Frysinger2008-11-181-1/+10
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: make ROM_BASE depend on ROMKERNELMike Frysinger2008-11-181-0/+1
| | | | | | 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 Frysinger2008-11-182-10/+10
| | | | | | | | | | - 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 Frysinger2008-11-181-1/+1
| | | | | | | | 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 Frysinger2008-11-181-12/+6
| | | | | | | | | 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 Frysinger2008-11-182-6/+4
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: unify cplbinfo filesMike Frysinger2008-11-186-363/+201
| | | | | | | | 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: define BASE_BAUD like everyone elseMike Frysinger2008-11-181-0/+1
| | | | | | | | define BASE_BAUD like everyone else, althought it is only used by 8250 Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: remove BFIN_DMA_5XX optionMike Frysinger2008-11-182-9/+1
| | | | | | | | | 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: add mmiowb() as some drivers expectMike Frysinger2008-11-181-0/+2
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Fix BUG - Kernel does not link when CONFIG_CPU_FREQ_STAT=mMichael Hennerich2008-11-181-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | to reproduce: $ make BF537-STAMP_defconfig $ make menuconfig CPU Frequency scaling ---> [*] CPU Frequency scaling <M> CPU frequency translation statistics $ make arch/blackfin/mach-common/built-in.o: In function `bfin_target': arch/blackfin/mach-common/cpufreq.c:(.text+0xf1e): undefined reference to `cpufreq_frequency_table_target' arch/blackfin/mach-common/built-in.o: In function `bfin_verify_speed': arch/blackfin/mach-common/cpufreq.c:(.text+0x1056): undefined reference to `cpufreq_frequency_table_verify' arch/blackfin/mach-common/built-in.o: In function `__bfin_cpu_init': arch/blackfin/mach-common/cpufreq.c:(.init.text+0x554): undefined reference to `cpufreq_frequency_table_get_attr' arch/blackfin/mach-common/cpufreq.c:(.init.text+0x56a): undefined reference to `cpufreq_frequency_table_cpuinfo' arch/blackfin/mach-common/built-in.o: In function `sys_call_table': (.data+0x83c): undefined reference to `cpufreq_freq_attr_scaling_available_freqs' make: *** [.tmp_vmlinux1] Error 1 Blackfin wants CPU_FREQ_TABLE Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: rename cache_lock() to bfin_cache_lock()Mike Frysinger2008-11-182-3/+3
| | | | | | | | | rename cache_lock() to bfin_cache_lock() to avoid namespace collision with common code Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: use generic xor.hMike Frysinger2008-11-181-0/+1
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: cleanup the time.c codeMike Frysinger2008-11-181-65/+36
| | | | | | | | | - 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>
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