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576 Commits

Author SHA1 Message Date
Mike Frysinger
9a6f5ae1f1 Blackfin arch: bfin_reset() is an internal reboot function ... everyone should go through machine_restart() 
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 
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 
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 
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 
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 
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) 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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() 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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
Michael Hennerich
8cc7117e7c Blackfin arch: Add new board support for ADZS-BF526-EZ-BRD 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-10-13 14:45:06 +08:00
Bryan Wu
31f3d4a317 Blackfin arch: add dma mapping stub for musb driver port 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-09-22 20:23:55 +08:00