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Author SHA1 Message Date
Mike Frysinger
7b8aa36e56 [Blackfin] arch: LARGE_ALLOCS was dropped along the way ... bring Blackfin in line 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 10:19:59 +08:00
Mike Frysinger
2973951c96 [Blackfin] arch: we no longer use BFIN_{SINGLE,DUAL}_CORE in our source 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 10:14:14 +08:00
Bryan Wu
1bee1a660a [Blackfin] arch: boards and machines defconfig updates 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-24 05:02:04 +08:00
Harvey Harrison
b85d858b40 [Blackfin] arch: __FUNCTION__ is gcc-specific, use __func__ 
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 09:39:01 +08:00
Meihui Fan
c5b50df8f0 [Blackfin] arch: fix bug - make sure we check the right L1 length 
Signed-off-by: Meihui Fan <mhfan@hhcn.com>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 08:55:26 +08:00
Meihui Fan
6eceb0d4da [Blackfin] arch: add support for the rest of the gptimers on the BF54x 
Signed-off-by: Meihui Fan <mhfan@hhcn.com>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 08:53:15 +08:00
Mike Frysinger
0e184c6b4f [Blackfin] arch: relocate MAX_SWITCH_{D,I}_CPLBS from the header to the file where it actually gets used. 
relocate MAX_SWITCH_{D,I}_CPLBS from the header to the file
where it actually gets used.  this way when we change
CONFIG_MEM_SIZE in our kconfig, we only rebuild one or two files
rather than a whole bunch that implicitly include cplb.h.

this will also remove the ability to clear the swapcount on
the fly, but i really dont think that functionality is important.

ultimate goal is for CONFIG_MEM_SIZE to go away and calculate
this value on the fly based on what u-boot programmed for us.

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 08:23:51 +08:00
Mike Frysinger
618835a0e3 [Blackfin] arch: MEM_ADD_WIDTH only gets used when reprogramming clocks, so dont bother exposing it in the menu normally 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 08:07:05 +08:00
Mike Frysinger
6a42a91019 [Blackfin] arch: update reboot code to match latest info (really just copy from u-boot) 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 08:01:31 +08:00
Bernd Schmidt
b4bb68f7d0 [Blackfin] arch: fix bug - Make the MPU code aware of the async banks and the uncached DMA area. 
Bug: CONFIG_MPU doesn't seem to handle access to ASYNC/IO Memory well
http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3912

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 07:26:23 +08:00
Bernd Schmidt
2a0c4fdb66 [Blackfin] arch: fix bug - when using trace buffer with CONFIG_MPU enabled. 
There were a couple of problems with the way the trace buffer state
is saved/restored in assembly.  The DEBUG_HWTRACE_SAVE/RESTORE macros
save a value to the stack, which is not immediately obvious; the CPLB
exception code needed changes to load the correct value of the stack
pointer.  The other problem is that the SAVE/RESTORE macros weren't
pushing and popping the value downwards on the stack, but rather moving
it _upwards_, which is of course completely broken.

We also need to make sure there's a matching DEBUG_HWTRACE_RESTORE in
the error case of the CPLB handler.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 07:17:34 +08:00
Bernd Schmidt
dbfe44f02b [Blackfin] arch: fix up - CONFIG_BLKFIN_WT was renamed CONFIG_BFIN_WT while the MPU code was out-of-tree. 
Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-04-23 07:11:55 +08:00
Robin Getz
904656cda1 [Blackfin] arch: fix bug - grab locks when not atomic 
grab locks when not atomic - this fixes the issues
sometimes seen when using magic sysrq.

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 09:17:43 +08:00
Robin Getz
9a62ca40fd [Blackfin] arch: fix bug - when we crash, current is not valid 
Sometimes when we crash, current is not valid, (has been written
over), so the existing code causes a invalid read during exception
context - which is a unrecoverable double fault. This fixes this.

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 09:15:58 +08:00
Bryan Wu
81d9c7f27d [Blackfin] arch: add i2c board info struct and move to new-style i2c interface 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 10:02:13 +08:00
Mike Frysinger
d171c23327 [Blackfin] arch: fix up gpio code style -- no functional changes 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 08:35:46 +08:00
Mike Frysinger
f85c4abdbc [Blackfin] arch: dump the stack before printing out an error otherwise the stack dump is useless as it shows us tracing through printk 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 08:34:23 +08:00
Mike Frysinger
793dc27b51 [Blackfin] arch: conditionally enable flash resources since it requests the async memory bank 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 08:09:12 +08:00
Yi Li
2e8d7965e6 [Blackfin] arch: add code to initialize globals declared in linux/bootmem.h: max_pfn, max_low_pfn, min_low_pfn. 
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 07:08:12 +08:00
Bernd Schmidt
9df7a8f622 [Blackfin] arch: remove NOTES from linker script 
Since
  r3658 | vapier | 2007-09-12 16:26:11 +0200 (Wed, 12 Sep 2007) | 1 line

  add more common defines for output sections

we've had a new line, NOTES, in our linker script, which causes upstream
binutils to complain about "missing phdr".  Currently the only other arch
that uses NOTES is i386, and the patch which added it also added
PHDRS {
	text PT_LOAD FLAGS(5);	/* R_E */
	data PT_LOAD FLAGS(7);	/* RWE */
	note PT_NOTE FLAGS(0);	/* ___ */
}
and a few other modifications to use ":text" and ":data" to the linker
script.

It seems that we don't need NOTES at all, so just remove it.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 06:39:15 +08:00
Mike Frysinger
56ce835b60 [Blackfin] arch: add twi resources to CM_BF537 board as reported by Servaes Joordens 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-26 06:00:18 +08:00
Mike Frysinger
f692940101 [Blackfin] arch: declare CHECKFLAGS to make sparse output more readable 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-07 02:43:48 +08:00
Mike Frysinger
0ddeeca25c [Blackfin] arch: add missing __user marking to ss_sp member of signalstack and a few userspace system functions 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-07 02:37:41 +08:00
Mike Frysinger
1307a65130 [Blackfin] arch: turn generic time on by default 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-29 12:26:41 +08:00
Mike Frysinger
b4e2d18f73 [Blackfin] arch: add board bluetechnix kernel defconfigs to kernel 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-29 12:14:25 +08:00
Vitja Makarov
8b5f79f9d7 [Blackfin] arch: initial generic time and clock sources 
This patch enables Hight-Res Timers and tickless kernel

Signed-off-by: Vitja Makarov <vitja.makarov@gmail.com>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-29 12:24:23 +08:00
Jeff Garzik
349a2444cf [BLACKFIN] minor irq handler cleanups 
- use standard irq_handler_t to define irq handler function arguments

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
 2008-04-20 18:45:27 -04:00
Matthew Wilcox
64ac24e738 Generic semaphore implementation 
Semaphores are no longer performance-critical, so a generic C
implementation is better for maintainability, debuggability and
extensibility.  Thanks to Peter Zijlstra for fixing the lockdep
warning.  Thanks to Harvey Harrison for pointing out that the
unlikely() was unnecessary.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
 2008-04-17 10:42:34 -04:00
Mike Frysinger
11b0be7c2c [Blackfin] arch: fix atomic and32/xor32 comments and ENDPROC markings 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-03 17:44:14 -07:00
Michael Hennerich
3d7e6cf8f5 [Blackfin] arch: fix bug - allow SDH driver to be used as module 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-03 17:40:28 -07:00
Bryan Wu
2f775dbaa5 [Blackfin] arch: to kill syscalls missing warning by adding new timerfd syscalls 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-06 16:04:58 -07:00
Bryan Wu
c051489df8 [Blackfin] arch: kill section mismatch warnings 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-29 12:02:10 +08:00
Mike Frysinger
8b07a2a1e5 [Blackfin] arch: handle the most common L1 shrinkage case (L1 does not exist for a part) so that any parts labeled for L1 instead get placed into external memory sections 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-29 11:57:35 +08:00
Mike Frysinger
fee40119a2 [Blackfin] arch: make sure we have proper description/copyright/license lines 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 15:06:07 +08:00
Michael Hennerich
3927819d51 [Blackfin] arch: Fix CONFIG_PM support for BF561 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 14:39:50 +08:00
Michael Hennerich
9253d02041 [Blackfin] arch: Remove DPMC char driver option 
Remove redundant/obsolete/dead code from DPMC driver

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 14:27:28 +08:00
Michael Hennerich
464abc5de6 [Blackfin] arch: Cleanup abd Simplify: 
- Simplify init_arch_irq
 - Make code more readable
 - Remove useless SSYNCs
 - Fix comments

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 13:50:20 +08:00
Michael Hennerich
ce3b7bb61c [Blackfin] arch: fix bug - linux-2.6.24 (delayed) disable IRQ feature not functional for handle_simple_irq 
Bypass delayed disable feature by implementing chip->disable and
chip->enable.

http://lkml.org/lkml/2008/2/19/115

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 13:48:47 +08:00
Mike Frysinger
d45118b14b [Blackfin] arch: make sure we export the _bfin_swrst symbol as modules (like the watchdog) need it 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 12:24:44 +08:00
Mike Frysinger
0db5d105cd [Blackfin] arch: punt the simple ad5304 spi driver now that the generic spidev driver lets you do it from userspace 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 12:19:57 +08:00
Michael Hennerich
fe9ec9b969 [Blackfin] arch: fix bug - Move IWR Enable All to the end of init_arch_irq otherwise it fails 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 12:04:57 +08:00
Mike Frysinger
181afa9498 [Blackfin] arch: grab mac address from OTP on BF527-EZKIT 
The bf527-ezkit stores the mac address in OTP,
so grab it from there rather than flash

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 11:42:17 +08:00
Sonic Zhang
549aaa8425 [Blackfin] arch: Fix bug - Setting peripheral_map only when dma channel is UART2/3. 
Singed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 11:13:07 +08:00
Mike Frysinger
cad2ab65dd [Blackfin] arch: add board resources for new simple-gpio char driver 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-22 17:01:31 +08:00
Mike Frysinger
edf056417d [Blackfin] arch: fix bug - set right partition size in the board files 
- set default u-boot partition size to 256k
 - modify the offset with the size change
 - use mtd defines (append for offset and full for size)
   where applicable rather than churning constants when we dont have to

Signed-off-by: Grace Pan <grace.pan@analog.com>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 11:38:11 +08:00
Sonic Zhang
32320ea0a6 [Blackfin] arch: Update default config 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-22 16:43:45 +08:00
Mike Frysinger
8929ecf84d [Blackfin] arch: add fixed code to the memory map output 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-22 16:35:20 +08:00
Mike Frysinger
c63d4e6408 [Blackfin] arch: add handling for the mach symlink in the make V=1 case 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-22 16:12:01 +08:00
Mike Frysinger
4d94bf6746 [Blackfin] arch: respect make -s when creating the asm/mach symlink 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-22 16:03:54 +08:00
Mike Frysinger
7aa475cfb7 [Blackfin] arch: fix bug add missing header file 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-22 16:01:50 +08:00