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authorJayachandran C <jchandra@broadcom.com>2013-06-10 10:30:04 +0400
committerRalf Baechle <ralf@linux-mips.org>2013-06-13 19:46:41 +0400
commit5649d37c2b23ad6545709c976b9abbfa8d5f4e11 (patch)
treea9fda320023769a6f7991487fb6ff1604a8560c2 /arch/mips/include/asm/cop2.h
parent64f6ebe63914835ad5cd5bc4c490f3deaeac2511 (diff)
downloadlinux-5649d37c2b23ad6545709c976b9abbfa8d5f4e11.tar.xz
MIPS: Netlogic: COP2 save/restore code
Add COP2 register state structure and functions for Netlogic XLP. The RX and TX buffers and status registers are to be saved. Since the registers are 64-bit, do the implementation in inline assembly which works on both 32-bit and 64-bit kernels. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Cc: ddaney.cavm@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/5413/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/cop2.h')
-rw-r--r--arch/mips/include/asm/cop2.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h
index b17f38ee1ed4..c1516cc0285f 100644
--- a/arch/mips/include/asm/cop2.h
+++ b/arch/mips/include/asm/cop2.h
@@ -22,6 +22,16 @@ extern void octeon_cop2_restore(struct octeon_cop2_state *);
#define cop2_present 1
#define cop2_lazy_restore 1
+#elif defined(CONFIG_CPU_XLP)
+
+extern void nlm_cop2_save(struct nlm_cop2_state *);
+extern void nlm_cop2_restore(struct nlm_cop2_state *);
+#define cop2_save(r) nlm_cop2_save(r)
+#define cop2_restore(r) nlm_cop2_restore(r)
+
+#define cop2_present 1
+#define cop2_lazy_restore 0
+
#else
#define cop2_present 0