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

Tom
2009-09-11T01:11:20Z

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