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authorPaul Martin <paul.martin@codethink.co.uk>2015-03-30 16:00:56 (GMT)
committerRalf Baechle <ralf@linux-mips.org>2015-04-01 15:22:14 (GMT)
commit11db04c8f3f2353b45848ceda2e6e3440520f7cb (patch)
tree1c2acd6c46f0444f0e3cb19e7051c3baf3a78ebf /arch/mips/cavium-octeon
parent0a1cd2c5887cc87178adf9f58191a18cca8c55c0 (diff)
downloadlinux-11db04c8f3f2353b45848ceda2e6e3440520f7cb.tar.xz
MIPS: Octeon: Turn hardware bitfields and structures inside out.
Although the proper way to do this for bitfields would be to use the macro that Ralf has provided, this is a little easier to understand as a diff. Signed-off-by: Paul Martin <paul.martin@codethink.co.uk> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9628/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cavium-octeon')
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-l2c.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c
index 42e38c3..89b5273 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c
@@ -519,44 +519,89 @@ int cvmx_l2c_unlock_mem_region(uint64_t start, uint64_t len)
union __cvmx_l2c_tag {
uint64_t u64;
struct cvmx_l2c_tag_cn50xx {
+#ifdef __BIG_ENDIAN_BITFIELD
uint64_t reserved:40;
uint64_t V:1; /* Line valid */
uint64_t D:1; /* Line dirty */
uint64_t L:1; /* Line locked */
uint64_t U:1; /* Use, LRU eviction */
uint64_t addr:20; /* Phys mem addr (33..14) */
+#else
+ uint64_t addr:20; /* Phys mem addr (33..14) */
+ uint64_t U:1; /* Use, LRU eviction */
+ uint64_t L:1; /* Line locked */
+ uint64_t D:1; /* Line dirty */
+ uint64_t V:1; /* Line valid */
+ uint64_t reserved:40;
+#endif
} cn50xx;
struct cvmx_l2c_tag_cn30xx {
+#ifdef __BIG_ENDIAN_BITFIELD
uint64_t reserved:41;
uint64_t V:1; /* Line valid */
uint64_t D:1; /* Line dirty */
uint64_t L:1; /* Line locked */
uint64_t U:1; /* Use, LRU eviction */
uint64_t addr:19; /* Phys mem addr (33..15) */
+#else
+ uint64_t addr:19; /* Phys mem addr (33..15) */
+ uint64_t U:1; /* Use, LRU eviction */
+ uint64_t L:1; /* Line locked */
+ uint64_t D:1; /* Line dirty */
+ uint64_t V:1; /* Line valid */
+ uint64_t reserved:41;
+#endif
} cn30xx;
struct cvmx_l2c_tag_cn31xx {
+#ifdef __BIG_ENDIAN_BITFIELD
uint64_t reserved:42;
uint64_t V:1; /* Line valid */
uint64_t D:1; /* Line dirty */
uint64_t L:1; /* Line locked */
uint64_t U:1; /* Use, LRU eviction */
uint64_t addr:18; /* Phys mem addr (33..16) */
+#else
+ uint64_t addr:18; /* Phys mem addr (33..16) */
+ uint64_t U:1; /* Use, LRU eviction */
+ uint64_t L:1; /* Line locked */
+ uint64_t D:1; /* Line dirty */
+ uint64_t V:1; /* Line valid */
+ uint64_t reserved:42;
+#endif
} cn31xx;
struct cvmx_l2c_tag_cn38xx {
+#ifdef __BIG_ENDIAN_BITFIELD
uint64_t reserved:43;
uint64_t V:1; /* Line valid */
uint64_t D:1; /* Line dirty */
uint64_t L:1; /* Line locked */
uint64_t U:1; /* Use, LRU eviction */
uint64_t addr:17; /* Phys mem addr (33..17) */
+#else
+ uint64_t addr:17; /* Phys mem addr (33..17) */
+ uint64_t U:1; /* Use, LRU eviction */
+ uint64_t L:1; /* Line locked */
+ uint64_t D:1; /* Line dirty */
+ uint64_t V:1; /* Line valid */
+ uint64_t reserved:43;
+#endif
} cn38xx;
struct cvmx_l2c_tag_cn58xx {
+#ifdef __BIG_ENDIAN_BITFIELD
uint64_t reserved:44;
uint64_t V:1; /* Line valid */
uint64_t D:1; /* Line dirty */
uint64_t L:1; /* Line locked */
uint64_t U:1; /* Use, LRU eviction */
uint64_t addr:16; /* Phys mem addr (33..18) */
+#else
+ uint64_t addr:16; /* Phys mem addr (33..18) */
+ uint64_t U:1; /* Use, LRU eviction */
+ uint64_t L:1; /* Line locked */
+ uint64_t D:1; /* Line dirty */
+ uint64_t V:1; /* Line valid */
+ uint64_t reserved:44;
+#endif
} cn58xx;
struct cvmx_l2c_tag_cn58xx cn56xx; /* 2048 sets */
struct cvmx_l2c_tag_cn31xx cn52xx; /* 512 sets */