Mike Frysinger
cdbf4c3c5f
Blackfin arch: use the Blackfin on-chip ROM to do software reset when possible
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-13 11:33:43 +08:00
Mike Frysinger
4e8086d65b
Blackfin arch: update anomaly headers to match the latest sheet
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 21:07:55 +08:00
Mike Frysinger
9a6f5ae1f1
Blackfin arch: bfin_reset() is an internal reboot function ... everyone should go through machine_restart()
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 18:57:21 +08:00
Robin Getz
e482cad241
Blackfin arch: print out error/warning if you are running on the incorrect CPU type
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 18:21:45 +08:00
Mike Frysinger
6d0b8c993d
Blackfin arch: remove non-bf54x ifdef logic since this file is only compiled on bf54x parts
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 18:05:02 +08:00
Mike Frysinger
f5623a3cf2
Blackfin arch: update board defconfigs
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 17:51:15 +08:00
Robin Getz
9f06c38fb2
Blackfin arch: Add optional verbose debug
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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>
2008-10-10 18:13:21 +08:00
Mike Frysinger
a88c71e436
Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 17:37:52 +08:00
Mike Frysinger
3c08f1d122
Blackfin arch: have is_user_addr_valid() check for overflows (like when address is -1)
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 17:12:51 +08:00
Mike Frysinger
d207a8c768
Blackfin arch: ptrace - fix off-by-one check on end of memory regions
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-10 17:26:57 +08:00
Michael Hennerich
2043f3f731
Blackfin arch: Enable framebuffer support for the BF526-EZkit TFT LCD display
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-13 14:46:30 +08:00
Javier Herrero
45138439e1
Blackfin arch: flash memory map and dm9000 resources updating
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Signed-off-by: Javier Herrero <jherrero@hvsistemas.es>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 18:06:47 +08:00
Sonic Zhang
0cfbb3234c
Blackfin arch: early prink code still use uart core console functions to parse and set configure option string
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 17:39:37 +08:00
Mike Frysinger
0c0497c257
Blackfin arch: Move all the silicon rev handling to one place
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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>
2008-10-09 17:32:28 +08:00
Mike Frysinger
664d0403f9
Blackfin arch: fix end address for parallel flash and increase kernel partition size to 4meg
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 17:28:36 +08:00
Mike Frysinger
6c3fc69a17
Blackfin arch: avoid using actual config name in comment
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avoid using actual config name in comment as a text search
is done to see what files need to be rebuilt
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 17:13:39 +08:00
Robin Getz
1d5ff7e27d
Blackfin arch: Fix bug - HW Errors never recover on BF548
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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>
2008-10-09 17:06:32 +08:00
Graf Yang
55f2feae3a
Blackfin arch: correct icache size in show_cpuinfo(), let c_start() return proper pointer
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Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 15:37:47 +08:00
Mike Frysinger
47664c1f86
Blackfin arch: give sys_strace proper entry markings
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a global _sys_trace will cause the assembler to fail, it should be fixed in toolchain side firstly.
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 15:32:18 +08:00
Mike Frysinger
f5a817e3f7
Blackfin arch: ptrace - make sure PT_ORIG_R0 and PT_ORIG_P0 offsets are declared
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 15:22:56 +08:00
Mike Frysinger
cb4c173d94
Blackfin arch: use existing ptrace_disable() func to clear TRACE_BITS and create the opposite ptrace_enable()
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 15:21:05 +08:00
Mike Frysinger
d3ab3a62f5
Blackfin arch: ptrace - cleanup debug messages and style
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 15:19:50 +08:00
Mike Frysinger
dabaad5b90
Blackfin arch: fix bug -- PTRACE_PEEKDATA does not seem to work which breaks umoven() in strace
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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>
2008-10-09 15:17:36 +08:00
Graf Yang
dd4354fa51
Blackfin arch: fix define error in BF561 memory map macros
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Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 14:17:47 +08:00
Sonic Zhang
f099f39acf
Blackfin arch: Make L2 SRAM cacheable
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 14:11:57 +08:00
Sonic Zhang
8606801b03
Blackfin arch: flags of UART3 mem resource is missing
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 13:55:33 +08:00
Sonic Zhang
27707d3e43
Blackfin arch: Fix bug - kernel build with config kernel debugging with remote gdb fails
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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>
2008-10-09 14:04:41 +08:00
Michael Hennerich
5e9e7687cb
Blackfin arch: Fix BUG -- BF533 + 0.5 silicon + MPU + UART PIO -> crash
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Apply ANOMALY_05000283 & ANOMALY_05000315
Workaround also to the EXCEPTION path.
Cover evt_ivhw also with ANOMALY_05000315
The Workaround needs to be prior to accesses (either read or write) to
any system MMR.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 12:31:03 +08:00
Mike Frysinger
49f7253cc9
Blackfin arch: add support for BF52x-0.2, BF533-0.6, and BF54x-0.2
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 12:06:27 +08:00
Mike Frysinger
46ce0d9a36
Blackfin arch: fix default silicon rev selection so it works for all supported parts
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 12:05:31 +08:00
Mike Frysinger
cd88b4dca8
Blackfin arch: BF561 is supported, no longer a work in progress
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 12:03:22 +08:00
Robin Getz
202d7bd95c
Blackfin arch: Make sure we program the correct values in only when necessary for MUSB driver
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 11:59:46 +08:00
Michael Hennerich
3343c1d448
Blackfin arch: Fix BUG: anomaly_threshold is used with ANOMALY_05000363
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-09 11:11:11 +08:00
Graf Yang
bfd15117ae
Blackfin arch: Not call generic set_irq_handler() in bfin_gpio_irq_type() due to spinlock recursion
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Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 18:02:44 +08:00
Robin Getz
9df10281e1
Blackfin arch: Use DTEST rather than DMA to poke at L1 SRAM during exception context
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 18:03:33 +08:00
Mike Frysinger
7eb2c23f60
Blackfin arch: fix merge errors during 2.6.26 upgrade
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 17:39:02 +08:00
Graf Yang
5b04f271fe
Blackfin arch: Modify some funtion names to more genernal ones
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Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 17:32:57 +08:00
Robin Getz
5e95320f9f
Blackfin arch: rename blackfin_sram.c to sram-alloc.c
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rename blackfin_sram.c to sram-alloc.c (we know it is a blackfin file,
since it is in arch/blackfin) - and there is no "driver" code in there,
it is just an allocator/deallocator for L1 and L2 sram.
Also fix a problem that checkpatch pointed out
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 17:22:49 +08:00
Graf Yang
763e63c640
Blackfin arch: add a meaningful name for each irqchip
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Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 17:08:15 +08:00
Graf Yang
ca87b7ad00
Blackfin arch: add CONFIG_APP_STACKS_L1 to enable or disable putting kernel stacks in L1
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use CONFIG_APP_STACKS_L1 to enable or disable putting kernel stacks in L1,
default is enabled, SMP kernel need turn it off
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 17:30:01 +08:00
Robin Getz
7d98c881ee
Blackfin arch: Make sure we protect except 2 properly, and print out memory properly
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 16:29:01 +08:00
Mike Frysinger
74c04503d7
Blackfin arch: mark local gpio_error() as static
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 16:13:17 +08:00
Mike Frysinger
fffe53bee7
Blackfin arch: fix bug - sometimes there is no response to the hitting key in uboot for bf561-ezkit when running with 50mhz SCLK
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use 10 delays rather than 7
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 14:46:09 +08:00
Robin Getz
5c64e0d510
Blackfin arch: Better error handling of unknown exceptions
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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>
2008-10-08 14:43:47 +08:00
Michael Hennerich
aca5e4aac8
Blackfin arch: add BF54x / BF52x Rotary Input device driver platform resource to board file
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-08 14:27:59 +08:00
Sonic Zhang
a5ac012924
Blackfin arch: add supporting for kgdb
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-13 14:07:19 +08:00
Bernd Schmidt
5d2e321306
Blackfin arch: fixing bug - under IRQ stress, running applications may wrongly trigger an ICPLB miss and be killed
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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>
2008-10-07 16:27:01 +08:00
Robin Getz
0c7a6b2135
Blackfin arch: add supporting for double fault debug handling
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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>
2008-10-08 16:27:12 +08:00
Mike Frysinger
f4585a0847
Blackfin arch: only include asm/cplb.h when it is truly used
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-13 14:45:21 +08:00
Mike Frysinger
1ffb9bef23
Blackfin arch: add note about newer ezkits using PB4 for AD7877 instead of PJ11
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-10-07 16:06:27 +08:00