920 Commits

Author SHA1 Message Date
2acde90230 Blackfin arch: a few things still use bfin_read_PORT_FER()
- Update gpio_request to allow multiple request with the same signature (label)
 - Use generic GPIO API where applicable
 - Update generic board support form stamp board

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-11 00:24:40 +08:00
02f13f9d5c Blackfin arch: Remove cruft - CONFIG_DEBUG_SERIAL_EARLY_INIT didn't work that well with DEBUG_KERNEL_START
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-27 17:38:40 +08:00
d2b11a468a Blackfin arch: Merge GPIO/Peripheral Resource Allocation back into a single file
Signed-off-by: Michael Hennerich <michale.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-28 16:47:46 +08:00
4d5f4ed3fb Blackfin arch: extract gpio number from PIN function
Singed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-27 16:46:17 +08:00
168f1212c0 Blackfin arch: rewrite our reboot code in C
rewrite our reboot code in C rather than assembly to be like
other architectures and to allow board maintainers to define
custom behavior

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-11 00:22:35 +08:00
27d875f2c1 Blackfin arch: vmlinux.lds.S, break up our .init into separate sections
Break up our .init into separate section like all other ports do and
so that we dont mix text and data (causes disassembly headaches as
pointed out by Robin)

Cc: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-27 16:08:53 +08:00
d8350e704e Blackfin arch: Board defconfig updating
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-11 00:03:39 +08:00
fbeb7370b6 Blackfin arch: parse input sections properly when using -ffunction-sections/-fdata-sections
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-27 15:02:20 +08:00
1ffe6646ba Blackfin arch: add an exception request/free api
add an exception request/free api similar to the interrupt request/fre
api so people can utilize the free software based exceptions for their
own purposes

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 17:14:04 +08:00
f0b5d12f2b Blackfin arch: allow people to select the feature that is unavailable to the kernel
- allow people to select the feature that is unavailable to the kernel: NMI, JTAG, or CYCLES.
 - change default NMI handler to simply dump hardware trace buffer.
 - remove default NMI handler completely as calling into kernel code is not safe
   move example handler to wiki so people dont haphazardly copy and paste this stuff thinking its safe

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 17:03:59 +08:00
2615639758 Blackfin arch: Allow ptrace access the fixed code.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 16:25:23 +08:00
8a26ac7043 Blackfin arch: Add DMA API to set curr descriptor address
This API is necessary for DMA descriptor array mode.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 16:14:58 +08:00
2d8f161fe3 Blackfin arch: update BOOT_LOAD
update BOOT_LOAD help to reflect current state of the first 4k of
our address space as well as add a memory range option to prevent
invalid values

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 14:06:16 +08:00
b4055d733d Blackfin arch: remove spurious KERN_EMERG log level in output
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 14:00:11 +08:00
3bebca2d20 Blackfin arch: to do some consolidation of common code and common name spaces
now all BLKFIN should be BFIN, should be no functional changes.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-10 23:55:26 +08:00
a298049180 Blackfin arch: remove unused code -- EVT0 is not controllable by software
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-03 18:29:15 +08:00
a924db7c00 Blackfin arch: Add option to priorize DMA over Core
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-03 17:43:29 +08:00
7735cefc45 Blackfin arch: Add support for the M25P16 SPI FLash
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-05 18:55:30 +08:00
1d945e2b3e Blackfin arch: add set_dma_curr_addr DMA API to support sound driver recording function
Signed-off-by: Roy Huang <roy.huang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-10 23:31:19 +08:00
518039bc24 Blackfin arch: Add ability to expend the hardware trace buffer
Add ability to expend the hardware trace buffer via a configurable
software buffer - so you can have lots of history when a crash occurs.

The interesting way we do printk in the traps.c confusese the checking
script

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 11:03:28 +08:00
f16295e7e7 Blackfin arch: Fix CCLK and SCLK checks
Fix CCLK and SCLK checks, combine all arch checks into one file
for maintance. Checkins that remove more lines than they add are always
good.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-03 18:07:17 +08:00
8c61362377 Blackfin arch: Some cosmetics based on LKML feedback from Joe Perches
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-08-03 17:48:09 +08:00
314c98d589 Blackfin arch: add missing gpio error handling to make sure we roll back requests in case one fails
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 18:03:45 +08:00
31430ba58a Blackfin arch: Add PORT_J.High (needed for BF548-EZkit Touchscreen interrupts) - remove PORT_C.H
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 16:27:25 +08:00
6782ea9ae8 Blackfin arch: Add label to call new GPIO API
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 15:16:59 +08:00
40d63406a0 Blackfin arch: store labels so we later know who allocated GPIO/Peripheral resources
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-10 22:55:30 +08:00
b2d1583f8e Blackfin arch: Advertise GENERIC_GPIO and remove duplicated GENERIC_CALIBRATE_DELAY
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 15:46:36 +08:00
e208f83a7a Blackfin arch: use HI/LO macros rather than masking the bit ranges ourselves
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 10:11:42 +08:00
d5148ffa60 Blackfin arch: use the [CS]SYNC() macros which include anomaly workarounds rather than __builtin_bfin_[cs]sync()
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 11:57:42 +08:00
1aafd90912 Blackfin arch: revise anomaly handling by basing things on the compiler not the kconfig defines
revise anomaly handling by basing things on the compiler not the kconfig defines,
so the header is stable and usable outside of the kernel. This also allows us to
move some code from preprocessing to compiling (gcc culls dead code)
which should help with code quality (readability, catch minor bugs, etc...).

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 11:19:14 +08:00
c6c4d7bbbb Blackfin arch: update platform driver resource information to all board files
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-11 01:20:06 +08:00
50e163ce8e Blackfin arch: add error message when IRQ no available
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 16:17:28 +08:00
8be80ed3f7 Blackfin arch: Initialize the exception vectors early in the boot process
Initialize the exception vectors early in the boot process, so that CPLB faults
can be handled when memory protection is enabled.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 14:44:49 +08:00
d6e274ddb5 Blackfin arch: fix a compiling warning about dma-mapping
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 15:38:16 +08:00
0fa63ad7d1 Blackfin arch: fix bug which unaligns the init thread's stack and causes the current macro to fail.
switch to using proper defines this time (THREAD_SIZE and PAGE_SIZE)
instead of just PAGE_SIZE everywhere

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 10:19:59 +08:00
f1b927dc85 Blackfin arch: Load P0 before storing through it
Fortunately this function is only used on old 533 revisions.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 18:17:15 +08:00
64c5cb8608 Blackfin arch: fix KGDB bug, dont forget last parameter.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-25 10:46:45 +08:00
e2dd3f1ecd Blackfin arch: add selections for BF544 and BF542
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 18:20:18 +08:00
e5b6bd61f2 Blackfin arch: use bfin_read_SWRST() now that BF561 provides it
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 16:59:37 +08:00
315a8e34f7 Blackfin arch: setup aliases for some core Core A MMRs
setup aliases for some core Core A MMRs to ease porting in cases
where common code would actually want Core A (or Core B MMR is reserved)

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-24 15:58:41 +08:00
dd00cc486a some kmalloc/memset ->kzalloc (tree wide)
Transform some calls to kmalloc/memset to a single kzalloc (or kcalloc).

Here is a short excerpt of the semantic patch performing
this transformation:

@@
type T2;
expression x;
identifier f,fld;
expression E;
expression E1,E2;
expression e1,e2,e3,y;
statement S;
@@

 x =
- kmalloc
+ kzalloc
  (E1,E2)
  ...  when != \(x->fld=E;\|y=f(...,x,...);\|f(...,x,...);\|x=E;\|while(...) S\|for(e1;e2;e3) S\)
- memset((T2)x,0,E1);

@@
expression E1,E2,E3;
@@

- kzalloc(E1 * E2,E3)
+ kcalloc(E1,E2,E3)

[akpm@linux-foundation.org: get kcalloc args the right way around]
Signed-off-by: Yoann Padioleau <padator@wanadoo.fr>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Cc: Bryan Wu <bryan.wu@analog.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Dave Airlie <airlied@linux.ie>
Acked-by: Roland Dreier <rolandd@cisco.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Acked-by: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Greg KH <greg@kroah.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19 10:04:50 -07:00
db0fa20645 Blackfin arch: add missing CONFIG_LARGE_ALLOCS when upstream merging
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 14:55:05 +08:00
798b77095d Blackfin arch: as pointed out by Robert P. J. Day, update the CPU_FREQ name to match current Kconfig
Cc: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 14:35:15 +08:00
5cf77a5fd0 Blackfin arch: extract the entry point from the linked kernel
extract the entry point from the linked kernel rather than
assuming entry point == load address

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 14:26:26 +08:00
c04d66bbbd Blackfin arch: clean up some coding style issues
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 17:26:31 +08:00
1d1894749c Blackfin arch: combine the common code of free_initrd_mem and free_initmem
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 12:32:00 +08:00
5610db61cf Blackfin arch: Add Support for Peripheral PortMux and resouce allocation
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 12:32:52 +08:00
520473b077 Blackfin arch: use PAGE_SIZE when doing aligns rather than hardcoded values
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 12:20:20 +08:00
b07af760c9 Blackfin arch: fix bug set dma_address properly in dma_map_sg
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 12:18:08 +08:00
157cc5aad9 Blackfin arch: Disable CACHELINE_ALIGNED_L1 for BF54x by default
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-07-12 16:20:21 +08:00