[U-Boot] [PATCH] OMAP3 Move cache routines to cache.S

[Tom <Tom.Rix@windriver.com>]

Paulraj, Sandeep wrote:
>> v7_flush_dcache_all, because it depends on omap ROM code is not
>> generic.  Rename the function to 'invalidate_dcache' and move it
>> to the omap cpu directory.
>>
>> Collect the other omap cache routines l2_cache_enable and
>> l2_cache_disable with invalide_dcache into cache.S.  This
>> means removing the old cache.c file that contained l2_cache_enable
>> and l2_cache_disable.
>>
>> The conversion from cache.c to cache.S was done most through
>> disassembling the uboot binary.  The only significant change was
>> to change the comparision for the return of get_cpu_rev from
>>
>>    cmp	r0, #0
>>    beq	earlier_than_label
>>
>> Which was lost information to
>>
>>    cmp	r0, #CPU_3XX_ES20
>>    blt	earlier_than_label
>>
>> The paths through the enable routine were verified by
>> adding an infinite loop and seeing the hang.  Then
>> removing the infinite loop and seeing it continue.
>>
>> The disable routine is similar enough that it was not
>> tested with this method.
>>
>> Run tested by cold booting from nand on beagle and zoom1.
>> Compile tested on MAKEALL arm.
>>
>> Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
>> ---
>>  cpu/arm_cortexa8/cpu.c                 |    2 +-
>>  cpu/arm_cortexa8/omap3/Makefile        |    2 +-
>>  cpu/arm_cortexa8/omap3/board.c         |    2 +-
>>  cpu/arm_cortexa8/omap3/cache.S         |  191
>> ++++++++++++++++++++++++++++++++
>>  cpu/arm_cortexa8/omap3/cache.c         |   95 ----------------
>>  cpu/arm_cortexa8/start.S               |   85 --------------
>>  include/asm-arm/arch-omap3/omap3.h     |    2 +
>>  include/asm-arm/arch-omap3/sys_proto.h |    2 +-
>>  8 files changed, 197 insertions(+), 184 deletions(-)
>>  create mode 100644 cpu/arm_cortexa8/omap3/cache.S
>>  delete mode 100644 cpu/arm_cortexa8/omap3/cache.c
> 
> Applied to u-boot-ti
> 
> -Sandeep

Thanks!
I am traveling tomorrow and I will pull it this weekend.
Tom