Commit Graph

8 Commits

Author SHA1 Message Date
Kumar Gala f133796da8 powerpc/85xx: Add the workaround for erratum ELBC-A001 (enable on P4080)
Simultaneous FCM and GPCM or UPM operation may erroneously trigger bus
monitor timeout.  Set timeout to maximum to avoid.

Based on a patch from Lan Chunhe <b25806@freescale.com>

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-01-14 01:32:22 -06:00
Becky Bruce 70961ba414 mpc85xx: rename sdram_init() lbc_sdram_init()
sdram_init() is used to initialize sdram on the lbc.  Rename it
accordingly.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-01-14 01:32:19 -06:00
Becky Bruce 38dba0c2ff mpc85xx boards: initdram() cleanup/bugfix
Correct initdram to use phys_size_t to represent the size of
dram; instead of changing this all over the place, and correcting
all the other random errors I've noticed, create a
common initdram that is used by all non-corenet 85xx parts.  Most
of the initdram() functions were identical, with 2 common differences:

1) DDR tlbs for the fixed_sdram case were set up in initdram() on
some boards, and were part of the tlb_table on others.  I have
changed them all over to the initdram() method - we shouldn't
be accessing dram before this point so they don't need to be
done sooner, and this seems cleaner.

2) Parts that require the DDR11 erratum workaround had different
implementations - I have adopted the version from the Freescale
errata document.  It also looks like some of the versions were
buggy, and, depending on timing, could have resulted in the
DDR controller being disabled.  This seems bad.

The xpedite boards had a common/fsl_8xxx_ddr.c; with this
change only the 517 board uses this so I have moved the ddr code
into that board's directory in xpedite517x.c

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-01-14 01:32:19 -06:00
Becky Bruce f2d9a5da29 powerpc 83xx/85xx: Merge lbc upmconfig code
Each platform had its own version of the upmconfig, despite the
init process being identical.  Now that we have a spot for common
lbc code, create a common upmconfig() there.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-07-16 10:55:09 -05:00
Becky Bruce f51cdaf191 83xx/85xx/86xx: LBC register cleanup
Currently, 83xx, 86xx, and 85xx have a lot of duplicated code
dedicated to defining and manipulating the LBC registers.  Merge
this into a single spot.

To do this, we have to decide on a common name for the data structure
that holds the lbc registers - it will now be known as fsl_lbc_t, and we
adopt a common name for the immap layouts that include the lbc - this was
previously known as either im_lbc or lbus; use the former.

In addition, create accessors for the BR/OR regs that use in/out_be32
and use those instead of the mismash of access methods currently in play.

I have done a successful ppc build all and tested a board or two from
each processor family.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-07-16 10:55:09 -05:00
Ron Madrid 3b439792b0 mpc83xx: Add UPMA configuration to SIMPC8313
Added UPM array table, upmconfig, and Local Bus configuration support for SIMPC8313

Signed-off-by: Ron Madrid <ron_madrid@sbcglobal.net>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
2010-05-07 12:19:52 -05:00
Lan Chunhe 3f0202ed13 mpc85xx: Add the ability to set LCRR[CLKDIV] to improve R/W speed of flash
Signed-off-by: Lan Chunhe <b25806@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-04-26 22:37:56 -05:00
Stefan Roese a47a12becf Move arch/ppc to arch/powerpc
As discussed on the list, move "arch/ppc" to "arch/powerpc" to
better match the Linux directory structure.

Please note that this patch also changes the "ppc" target in
MAKEALL to "powerpc" to match this new infrastructure. But "ppc"
is kept as an alias for now, to not break compatibility with
scripts using this name.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Anatolij Gustschin <agust@denx.de>
2010-04-21 23:42:38 +02:00