diff options
| author | Jo-Philipp Wich <jo@mein.io> | 2016-10-05 15:12:57 +0200 |
|---|---|---|
| committer | Zoltan HERPAI <wigyori@uid0.hu> | 2016-10-05 15:12:57 +0200 |
| commit | 4c70e54c07e139098527e3f7f19c970082411177 (patch) | |
| tree | 2b635bc4931c88a0846f2621ca239d1b13684b4a /target/linux/gemini/patches/060-cache-fa.diff | |
| parent | 823f6dd12fef61c9af196505f88f039ed84f9548 (diff) | |
| download | master-187ad058-4c70e54c07e139098527e3f7f19c970082411177.tar.gz master-187ad058-4c70e54c07e139098527e3f7f19c970082411177.tar.bz2 master-187ad058-4c70e54c07e139098527e3f7f19c970082411177.zip | |
gemini: drop Linux 4.1 support
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'target/linux/gemini/patches/060-cache-fa.diff')
| -rw-r--r-- | target/linux/gemini/patches/060-cache-fa.diff | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/gemini/patches/060-cache-fa.diff b/target/linux/gemini/patches/060-cache-fa.diff new file mode 100644 index 0000000000..fc74c0af88 --- /dev/null +++ b/target/linux/gemini/patches/060-cache-fa.diff @@ -0,0 +1,41 @@ +--- a/arch/arm/mm/cache-fa.S ++++ b/arch/arm/mm/cache-fa.S +@@ -24,7 +24,8 @@ + /* + * The size of one data cache line. + */ +-#define CACHE_DLINESIZE 16 ++#define CACHE_DLINESIZE 16 ++#define CACHE_DLINESHIFT 4 + + /* + * The total size of the data cache. +@@ -169,7 +170,17 @@ ENTRY(fa_flush_kern_dcache_area) + * - start - virtual start address + * - end - virtual end address + */ ++__flush_whole_dcache: ++ mcr p15, 0, r0, c7, c14, 0 @ clean/invalidate D cache ++ mov r0, #0 ++ mcr p15, 0, r0, c7, c10, 4 @ drain write buffer ++ mov pc, lr ++ + fa_dma_inv_range: ++ sub r3, r1, r0 @ calculate total size ++ cmp r3, #CACHE_DLIMIT @ total size >= limit? ++ bhs __flush_whole_dcache @ flush whole D cache ++ + tst r0, #CACHE_DLINESIZE - 1 + bic r0, r0, #CACHE_DLINESIZE - 1 + mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D entry +@@ -193,6 +204,10 @@ fa_dma_inv_range: + * - end - virtual end address + */ + fa_dma_clean_range: ++ sub r3, r1, r0 @ calculate total size ++ cmp r3, #CACHE_DLIMIT @ total size >= limit? ++ bhs __flush_whole_dcache @ flush whole D cache ++ + bic r0, r0, #CACHE_DLINESIZE - 1 + 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry + add r0, r0, #CACHE_DLINESIZE |