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@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.