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* 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 ...
| * Blackfin arch: If we double fault, rather than hang forever, resetRobin Getz2008-07-261-2/+5
| | | | | | | | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: When icache is off, make sure people know itRobin Getz2008-07-261-5/+12
| | | | | | | | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Fix bug - skip single step in high priority interrupt handler ↵Sonic Zhang2008-07-261-1/+15
| | | | | | | | | | | | | | | | | | | | | | instead of disabling all interrupts in single step debugging. Skip single step if event priority of current instruction is higher than that of the first instruction, from which gdb starts single step. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: cache the values of vco/sclk/cclk as the overhead of doing so ↵Mike Frysinger2008-07-261-10/+34
| | | | | | | | | | | | | | | | (~24 bytes) is worth avoiding the software mult/div routines Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: fix bug - IMDMA is not type struct dma_registerMichael Hennerich2008-07-261-0/+8
| | | | | | | | | | | | | | | | TEMP Workaround - avoid access to PERIPHERAL_MAP Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: check the EXTBANKS field of the DDRCTL1 register to see if we ↵Mike Frysinger2008-07-261-0/+2
| | | | | | | | | | | | | | | | are using both memory banks Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * Blackfin arch: Add unwinding for stack info, and a little more detail on ↵Robin Getz2008-07-261-55/+241
| | | | | | | | | | | | | | | | trace buffer Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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