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Robin Getz
7419a327f6 Blackfin arch: panic when running on a chip rev below what we are compiled for 
If we are running on a chip revision below what we are compiled for,
there will be missing anomaly workarounds, and a panic is inevitable. Do
is sooner, rather than later, so people don't look for bugs that already
have workarounds (that they turned off).

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Bryan Wu
fea05dacda Blackfin arch: Fix bug - wrong endpoint number and dma channels of USB 
Blackfin MUSB has 8 endpoints including ep0 and 8 dma channels not 7

Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
508808cda6 Blackfin arch: do not allow people to pass in a diff clkin_hz value 
do not allow people to pass in a diff clkin_hz value when
reprogramming clocks -- it is too late currently

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
7f1e2f98bd Blackfin arch: allow clkin_hz to be specified on the command line 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
275123e8ab Blackfin arch: show_cpuinfo - consolidate ugly casts 
rather than use *(unsigned int *)v everywhere, do this once with a local
cpu_num variable

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
a1ee74ca09 Blackfin arch: add __init markings to Blackfin timer init functions 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
71f5ca35d5 Blackfin arch: add get_dma_config() func to match set_dma_config() 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
4ce1873634 Blackfin arch: add volatile markings to DMA MMRs 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Michael Hennerich
6a6be3d188 Blackfin arch: Make the interrupt edge and polarity type configurable based on IORESOURCE_BITS 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Graf Yang
3d7c603ed4 Blackfin arch: Remove wasted SIR header files 
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Graf Yang
42bd8bcb2f Blackfin arch: Modify bfin_sir device configuration to board file 
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Graf Yang
c0948d3316 Blackfin arch: update header to match new location 
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Jean Delvare
90fdc13568 Blackfin arch: Fix typo (channel) 
Channnel -> Channel

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Bernd Schmidt
71ae92f51a Blackfin arch: Replace C version of 64 bit multiply with hand optimized assembly 
Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
36478585d9 Blackfin arch: remove unused members of dma_channel struct 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Robin Getz
26fe19f760 Blackfin arch: Update some inline assembly, tweak some register constraints 
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
2377feb4ce Blackfin arch: stub out pgprot_noncached() like other people seem to do on nommu 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Nick Andrew
bc39ac6680 Blackfin arch: Fix incorrect use of loose in cpufreq.c 
It should be 'lose', not 'loose'.

Signed-off-by: Nick Andrew <nick@nick-andrew.net>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
75aca61b1f Blackfin arch: add __must_check markings to our user functions like other arches 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
d41e800999 Blackfin arch: dma code: cannot simply OR the ndsize 
cannot simply OR the ndsize ... need to clear out the old value first

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
b649839192 Blackfin arch: add bfin_read_MDMA_S0_CONFIG compat for dma_memcpy 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Bernd Schmidt
b13120d23b Blackfin arch: fix bug - crashes in tcp_v4_send_reset 
Michael says that some bugs are crashes in tcp_v4_send_reset.
There's a missing clobber of "CC" in our checksum assembly
statement; fixing this makes the generated code look much saner.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
7ad883a94d Blackfin arch: push cache flushing up to dma_memcpy 
push cache flushing up to dma_memcpy() so that we call the flush
functions just once

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
596b565bd1 Blackfin arch: request_dma() returns 0 on success, not channel 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
6ab729d82f Blackfin arch: desc_ptr is a pointer, so declare it as such 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
9c417a4329 Blackfin arch: move most dma functions into static inlines 
move most dma functions into static inlines since they are vastly 1
liners that get/set a value in a structure

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
4c1ed6a57b Blackfin arch: dma header file: strip down includes to only necessary ones 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
8f1cc23388 Blackfin arch: set_dma_callback: do not store .irq 
set_dma_callback: do not store .irq if request_irq() failed so we dont
turn around and attempt to free_irq() it later on in free_dma()

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
9b011407d6 Blackfin arch: drop irq_callback from struct dma_channel 
the irq member already serves the same purpose

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
68532bdac3 Blackfin arch: drop custom dma_interrupt_t and just use irq_handler_t 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
259fea42e6 Blackfin arch: include linux/mm.h since we use PAGE_ALIGN and such 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
98946574a4 Blackfin arch: enable DEBUG_KERNEL for ADI boards 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
dd3dd384df Blackfin arch: rewrite dma_memcpy() and dma in/out functions 
- unify all dma in/out functions (takes ~35 lines of code now)
- unify dma_memcpy with dma in/out functions (1 place that touches MDMA0
  registers)
- add support for 32bit transfers
- cleanup dma_memcpy code to be much more readable
- irqs are disabled only while programming MDMA registers rather than
  the entire transaction

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
49946e7329 Blackfin arch: check pointers in safe_dma_memcpy 
Check pointers in safe_dma_memcpy as this is the entry point for user-space code

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
c9e0020d49 Blackfin arch: push bf561 PERIPHERAL_MAP oddity into bf561-specific code 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Michael Hennerich
51ed9ad7d2 Blackfin arch: ADP5588 QWERTY I2C Keyboard Input device driver 
Add BF537-STAMP platform Support

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
b03f203986 Blackfin arch: cleanup - use scm for changelog, not file headers 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Robin Getz
a45d575f53 Blackfin arch: Add basic irq stack checking for Blackfin 
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
f768a0eb90 Blackfin arch: Set TWI/I2C Clock to 100kHz 
All slaves I'm aware of should support at least 100kHz

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Mike Frysinger
bdc17a1bf2 Blackfin arch: dma_memcpy() - do not return NULL when transferring a multiple of 65k 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Michael Hennerich
85a192e92d Blackfin arch: Add BF537-STAMP platform support for ENC28J60 SPI Ethernet MAC 
This device shouldn't be considered as an alternative to a Memory Mapped
or built-in Ethernet MAC. Throughput is slow (~460kByte/s) while generating
a very high system load (~60%).

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
8f362f8d7b Blackfin arch: remove #if check on L2_LENGTH 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Yi Li
0c720da35c Blackfin arch: Retire old spi_mmc driver 
Turn to use the mmc_spi driver in mainline kernel.

Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Yi Li
f79ea4cba0 Blackfin arch: add mmc_spi support to BF537-STAMP 
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Mike Frysinger
211daf9d72 Blackfin arch: rename MAX_BLACKFIN_DMA_CHANNEL to MAX_DMA_CHANNELS to match everyone else 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Michael Hennerich
3e706cfcce Blackfin arch: fix bug - kernel build fails with undefined reference to pm_overflow_handler 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Sonic Zhang
55e247e715 Blackfin arch: Use reads/writes instead of ins/outs directly 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Michael McTernan
99532fd2a0 Blackfin arch: add const to some function prototype and struct dma_channel 
Signed-off-by: Michael McTernan <mmcternan@airvana.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:38 +08:00
Graf Yang
d642a8ad55 Blackfin arch: implement support for /proc/dma 
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00
Graf Yang
dbc895f955 Blackfin arch: smp patch cleanup from LKML review 
1. Use inline get_l1_... functions instead of macro
2. Fix compile issue about smp barrier functions

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2009-01-07 23:14:39 +08:00