[U-Boot] [PATCH v3] nios2: convert cache flush to use dm cpu data
Thomas Chou
thomas at wytron.com.tw
Mon Oct 19 01:48:44 CEST 2015
On 10/14/2015 09:38 AM, Thomas Chou wrote:
> Convert cache flush to use dm cpu data.
>
> The original cache flush functions are written in assembly
> and use CONFIG_SYS_{I,D}CACHE_SIZE... macros. It is difficult
> to convert to use cache configuration in dm cpu data which is
> extracted from device tree.
>
> The cacheflush.c of Linux nios2 arch uses cpuinfo structure,
> which is very close to our dm cpu data. So we copy and modify
> it to arch/nios2/lib/cache.c to replace the old cache.S.
>
> Signed-off-by: Thomas Chou <thomas at wytron.com.tw>
> ---
> v2
> change commit message.
> v3
> check initda instruction support.
> add invalidate_dcache_range().
>
> arch/nios2/include/asm/cache.h | 13 ++---
> arch/nios2/lib/bootm.c | 6 +--
> arch/nios2/lib/cache.S | 68 ------------------------
> arch/nios2/lib/cache.c | 114 +++++++++++++++++++++++++++++++++++++++++
> 4 files changed, 118 insertions(+), 83 deletions(-)
> delete mode 100644 arch/nios2/lib/cache.S
> create mode 100644 arch/nios2/lib/cache.c
>
Applied to u-boot-nios.
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