[U-Boot] [Patch v3 4/7] mpc85xx: Adding more registers and options

Kumar Gala galak at kernel.crashing.org
Thu Jan 20 04:04:49 CET 2011


On Jan 10, 2011, at 4:02 PM, York Sun wrote:

> This patch exposes more registers which can be used by the DDR drivers or
> interactive debugging. U-boot doesn't use all the registers in DDRC.
> When advanced tuning is required, writing to those registers is needed.
> 
> Add writing to cdr1, cdr2, err_disable, err_int_en and debug registers
> Add options to override rcw, address parity to RDIMMs.
> Use array for debug registers.
> 
> Signed-off-by: York Sun <yorksun at freescale.com>
> ---
> arch/powerpc/cpu/mpc85xx/ddr-gen3.c      |   10 ++++++++--
> arch/powerpc/include/asm/fsl_ddr_sdram.h |   12 ++++++++++++
> arch/powerpc/include/asm/immap_85xx.h    |   21 ++-------------------
> board/tqc/tqm85xx/sdram.c                |    8 ++++----
> 4 files changed, 26 insertions(+), 25 deletions(-)

applied to 85xx

- k


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