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* Blackfin arch: Fix bug - 561 SMP kernel can't boot from jffs2Graf Yang2009-02-041-42/+42
| | | | | | | | | bss_l2 section is garbage when the data in this section is used by _bfin_relocate_l1_mem, so move the zero out function ahead. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: fix bugs and unify BFIN_KERNEL_CLOCK optionMichael Hennerich2009-01-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | - 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: SMP supporting patchset: Blackfin header files and machine ↵Graf Yang2009-01-071-16/+13
| | | | | | | | | | | | | | common 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 header files and machine common code Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: do not bother initializing the first 4kMike Frysinger2008-11-181-12/+0
| | | | | | | | | our kernel should be sane now, and we want to catch NULL bugs, not ignore them Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: use sti to set the mask rather than banging on imaskMike Frysinger2008-11-181-6/+2
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: unify duplicated bss init codeMike Frysinger2008-10-271-47/+19
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Zero out bss region in L1/L2 memory.Graf Yang2008-10-161-0/+54
| | | | | | Signed-off-by: Graf Yang <graf.yang@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 Getz2008-10-081-0/+10
| | | | | | | | 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 Yang2008-10-081-1/+1
| | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: add supporting for double fault debug handlingRobin Getz2008-10-081-3/+37
| | | | | | | 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: do not muck with the UART during boot -- let the serial ↵Mike Frysinger2008-08-141-3/+0
| | | | | | | | driver worry about it 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 Getz2008-08-141-0/+6
| | | | | | Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: unify the duplicated portions of __start and split ↵Mike Frysinger2008-08-061-2/+129
| | | | | | | | mach-specific pieces into _mach_early_start where they will be easier to trim over time Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: add asm/thread_info.h for THREAD_SIZE defineMike Frysinger2008-08-061-0/+1
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: unify the duplicated _real_start functionsMike Frysinger2008-08-061-0/+76
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>