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* Blackfin arch: fix bug - shared lib function in L2 failed be calledJie Zhang2008-10-281-1/+6
| | | | | | | | Allow user space to access L2 SRAM. Signed-off-by: Jie Zhang <jie.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: fix incorrect limit check for bf54x check_gpioMike Frysinger2008-10-281-1/+1
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: dont warn when running a kernel on the oldest supported siliconMike Frysinger2008-10-281-1/+1
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Fix typo when adding CONFIG_DEBUG_VERBOSERobin Getz2008-10-281-2/+2
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: don't copy bss when copying L1Mike Frysinger2008-10-271-5/+5
| | | | | | | | | when copying L1 regions, go to the start of bss rather than end since we have code to zero it out already Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: fix bug - Fail to boot jffs2 kernel for BF561 with SMP patchGraf Yang2008-10-271-4/+5
| | | | | | | | only if the cplb block overlapped with kernel area, this cplb need be locked Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: handle case of d_path() returning error in decode_address()Tim Pepper2008-10-271-2/+5
| | | | | | | | | | d_path() can return an error. Most of its callers do something or other to make up something sane in that case. Do similar for blackfin's decode_address() call to d_path(). Signed-off-by: Tim Pepper <lnxninja@linux.vnet.ibm.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: move bfin_addr_dcachable() and friends into the cacheflush ↵Mike Frysinger2008-10-161-0/+1
| | | | | | | | header where it belongs Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: use the new bfin_addr_dcachable() functionMike Frysinger2008-10-161-3/+2
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-10-1311-475/+987
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (60 commits) Blackfin arch: make sure we include the fix for SPORT hysteresis when reprogramming clocks Blackfin arch: Fix bogus str_ident check in gpio code Blackfin arch: AD7879 Touchscreen driver Blackfin arch: introducing bfin_addr_dcachable Blackfin arch: fix a typo in comments Blackfin arch: Remove useless head file Blackfin arch: make sure L2 start and length are always defined (fixes building on BF542) Blackfin arch: use the Blackfin on-chip ROM to do software reset when possible Blackfin arch: update anomaly headers to match the latest sheet Blackfin arch: bfin_reset() is an internal reboot function ... everyone should go through machine_restart() Blackfin arch: print out error/warning if you are running on the incorrect CPU type Blackfin arch: remove non-bf54x ifdef logic since this file is only compiled on bf54x parts Blackfin arch: update board defconfigs Blackfin arch: Add optional verbose debug Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface Blackfin arch: have is_user_addr_valid() check for overflows (like when address is -1) Blackfin arch: ptrace - fix off-by-one check on end of memory regions Blackfin arch: Enable framebuffer support for the BF526-EZkit TFT LCD display Blackfin arch: flash memory map and dm9000 resources updating Blackfin arch: early prink code still use uart core console functions to parse and set configure option string ...
| * Blackfin arch: Fix bogus str_ident check in gpio codeMichael Hennerich2008-10-131-5/+2
| | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: introducing bfin_addr_dcachableVitja Makarov2008-10-131-0/+1
| | | | | | | | | | | | | | | | This patch introduces bfin_addr_dcachable() predicate, that simply tests is address in cachable region or not. Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix a typo in commentsBryan Wu2008-10-101-1/+1
| | | | | | | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: use the Blackfin on-chip ROM to do software reset when possibleMike Frysinger2008-10-131-1/+9
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: bfin_reset() is an internal reboot function ... everyone ↵Mike Frysinger2008-10-101-1/+1
| | | | | | | | | | | | | | | | should go through machine_restart() Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: print out error/warning if you are running on the incorrect ↵Robin Getz2008-10-101-16/+27
| | | | | | | | | | | | | | | | CPU type Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Add optional verbose debugRobin Getz2008-10-101-100/+130
| | | | | | | | | | | | | | | | | | Add optional verbose debug - which when turned off, quiets down userspace errors. Saves ~8k of code/data for production systems Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: emulate a TTY over the EMUDAT/JTAG interfaceMike Frysinger2008-10-101-0/+12
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: have is_user_addr_valid() check for overflows (like when ↵Mike Frysinger2008-10-101-0/+4
| | | | | | | | | | | | | | | | address is -1) Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: ptrace - fix off-by-one check on end of memory regionsMike Frysinger2008-10-101-29/+21
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Move all the silicon rev handling to one placeMike Frysinger2008-10-091-1/+2
| | | | | | | | | | | | | | | | | | Move all the silicon rev handling to one place (Kconfig) and make sure we warn if you are running on silicon that has not been tested on Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Fix bug - HW Errors never recover on BF548Robin Getz2008-10-091-2/+13
| | | | | | | | | | | | | | | | | | | | | | The kernel does not properly clear the EBIU Error Master (EBIU_ERRMST) Register on BF548, which causes the kernel to panic. We need to make sure that we clear the EBIU_ERRMST (necessary on BF54x) Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: correct icache size in show_cpuinfo(), let c_start() return ↵Graf Yang2008-10-091-4/+10
| | | | | | | | | | | | | | | | proper pointer Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: ptrace - make sure PT_ORIG_R0 and PT_ORIG_P0 offsets are declaredMike Frysinger2008-10-091-0/+1
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: use existing ptrace_disable() func to clear TRACE_BITS and ↵Mike Frysinger2008-10-091-50/+37
| | | | | | | | | | | | | | | | create the opposite ptrace_enable() Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: ptrace - cleanup debug messages and styleMike Frysinger2008-10-091-18/+12
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix bug -- PTRACE_PEEKDATA does not seem to work which breaks ↵Mike Frysinger2008-10-091-35/+31
| | | | | | | | | | | | | | | | | | | | umoven() in strace Don't add arbitrary offset when peeking at data Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Make L2 SRAM cacheableSonic Zhang2008-10-092-2/+12
| | | | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Fix bug - kernel build with config kernel debugging with ↵Sonic Zhang2008-10-091-12/+9
| | | | | | | | | | | | | | | | | | | | remote gdb fails Add some comment and fix duplicated VEC_EXCPT02 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Use DTEST rather than DMA to poke at L1 SRAM during exception ↵Robin Getz2008-10-081-2/+1
| | | | | | | | | | | | | | | | context Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Modify some funtion names to more genernal onesGraf Yang2008-10-083-6/+6
| | | | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Make sure we protect except 2 properly, and print out memory ↵Robin Getz2008-10-081-1/+2
| | | | | | | | | | | | | | | | properly Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: mark local gpio_error() as staticMike Frysinger2008-10-081-1/+1
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix bug - sometimes there is no response to the hitting key ↵Mike Frysinger2008-10-081-3/+3
| | | | | | | | | | | | | | | | | | | | in uboot for bf561-ezkit when running with 50mhz SCLK use 10 delays rather than 7 Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Better error handling of unknown exceptionsRobin Getz2008-10-081-14/+29
| | | | | | | | | | | | | | | | | | | | Better error handling of unknown exceptions, allows userspace to do a EXCPT n instruction for a not installed exception handler, and the kernel doesn't crash (like it use to before this). Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: add supporting for kgdbSonic Zhang2008-10-132-177/+569
| | | | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fixing bug - under IRQ stress, running applications may ↵Bernd Schmidt2008-10-071-2/+12
| | | | | | | | | | | | | | | | | | | | | | wrongly trigger an ICPLB miss and be killed Disable IRQs while frobbing the CPLB registers, to avoid accessing the data in current_rwx_mask while it isn't covered by CPLBs. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: add supporting for double fault debug handlingRobin Getz2008-10-082-14/+50
| | | | | | | | | | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: only include asm/cplb.h when it is truly usedMike Frysinger2008-10-131-0/+1
| | | | | | | | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* | Blackfin Serial Driver: Fix bug - request UART2/3 peripheral mapped ↵Sonic Zhang2008-10-131-7/+6
|/ | | | | | | | | interrupts in PIO mode Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Blackfin arch: move include/asm-blackfin header files to arch/blackfinBryan Wu2008-08-271-1/+1
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: use %pF when printing out the double fault address so we get ↵Mike Frysinger2008-08-141-1/+1
| | | | | | | | symbol names Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Print out doublefault addresses, so debug can occurRobin Getz2008-08-141-1/+6
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: mark some functions as __init as they are only called from ↵Mike Frysinger2008-08-142-4/+4
| | | | | | | | __init functions Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: cleanup cache lock codeMike Frysinger2008-08-141-1/+1
| | | | | | | | | | | - remove cheesy read_iloc() function - move invalidate_entire_icache function to lock.S - export proper prototypes for functions in lock.S - only build lock.S when BFIN_ICACHE_LOCK is enabled Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Fix bug - when expanding the trace buffer, it does not print ↵Robin Getz2008-08-061-35/+53
| | | | | | | | | | | out the decoded instruction. as pointed out by Michael McTernan in the forums, when expanding the trace buffer, it does not print out the decoded instruction. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: convert L2 defines to be the same as the L1 definesMike Frysinger2008-08-134-19/+13
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: move async memory programming into common setup_arch() as the ↵Mike Frysinger2008-08-061-0/+10
| | | | | | | | banks dont really need to be setup fully as early as head.S Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: make sure the BSS and kernel load address are 4 byte alignedMike Frysinger2008-08-061-0/+1
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-07-2613-162/+597
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (30 commits) Blackfin arch: If we double fault, rather than hang forever, reset Blackfin arch: When icache is off, make sure people know it Blackfin arch: Fix bug - skip single step in high priority interrupt handler instead of disabling all interrupts in single step debugging. Blackfin arch: cache the values of vco/sclk/cclk as the overhead of doing so (~24 bytes) is worth avoiding the software mult/div routines Blackfin arch: fix bug - IMDMA is not type struct dma_register Blackfin arch: check the EXTBANKS field of the DDRCTL1 register to see if we are using both memory banks Blackfin arch: Apply Bluetechnix CM-BF527 board support patch Blackfin arch: Add unwinding for stack info, and a little more detail on trace buffer Blackfin arch: Add ISP1760 board resources to BF548-EZKIT Blackfin arch: fix bug - detect 0.1 silicon revision BF527-EZKIT as 0.0 version Blackfin arch: add missing IORESOURCE_MEM flags to UART3 Blackfin arch: Add return value check in bfin_sir_probe(), remove SSYNC(). Blackfin arch: Extend sram malloc to handle L2 SRAM. Blackfin arch: Remove useless config option. Blackfin arch: change L1 malloc to base on slab cache and lists. Blackfin arch: use local labels and ENDPROC() markings Blackfin arch: Do not need this dualcore test module in kernel. Blackfin arch: Allow ptrace to peek and poke application data in L1 data SRAM. Blackfin arch: Add ANOMALY_05000368 workaround Blackfin arch: Functional power management support ...
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