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authorYi Li <yi.li@analog.com>2009-01-07 23:14:39 +0800
committerBryan Wu <cooloney@kernel.org>2009-01-07 23:14:39 +0800
commit6a01f230339321292cf065551f8cf55361052461 (patch)
tree7ac2ac8fc9f05a7315ef6a7f6f0a387433c62c14 /arch/blackfin/lib
parent5105432a3201e3f0e6c219cd0a74feee1e5e262b (diff)
downloadlinux-6a01f230339321292cf065551f8cf55361052461.tar.bz2
Blackfin arch: merge adeos blackfin part to arch/blackfin/
[Mike Frysinger <vapier.adi@gmail.com>: - handle bf531/bf532/bf534/bf536 variants in ipipe.h - cleanup IPIPE logic for bfin_set_irq_handler() - cleanup ipipe asm code a bit and add missing ENDPROC() - simplify IPIPE code in trap_c - unify some of the IPIPE code and fix style - simplify DO_IRQ_L1 handling with ipipe code - revert IRQ_SW_INT# addition from ipipe merge - remove duplicate get_{c,s}clk() prototypes ] Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/lib')
-rw-r--r--arch/blackfin/lib/ins.S163
1 files changed, 160 insertions, 3 deletions
diff --git a/arch/blackfin/lib/ins.S b/arch/blackfin/lib/ins.S
index d60554dce87b..1b84b21ca7d1 100644
--- a/arch/blackfin/lib/ins.S
+++ b/arch/blackfin/lib/ins.S
@@ -56,7 +56,16 @@
ENTRY(_insl)
#ifdef CONFIG_BFIN_INS_LOWOVERHEAD
P0 = R0; /* P0 = port */
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
cli R3;
+#endif
P1 = R1; /* P1 = address */
P2 = R2; /* P2 = count */
SSYNC;
@@ -65,7 +74,14 @@ ENTRY(_insl)
[P1++] = R0;
NOP;
.Llong_loop_e: NOP;
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
sti R3;
+#endif
RTS;
#else
P0 = R0; /* P0 = port */
@@ -74,13 +90,28 @@ ENTRY(_insl)
SSYNC;
LSETUP( .Llong_loop_s, .Llong_loop_e) LC0 = P2;
.Llong_loop_s:
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
CLI R3;
+#endif
NOP; NOP; NOP;
R0 = [P0];
[P1++] = R0;
.Llong_loop_e:
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
STI R3;
-
+#endif
RTS;
#endif
ENDPROC(_insl)
@@ -88,7 +119,16 @@ ENDPROC(_insl)
ENTRY(_insw)
#ifdef CONFIG_BFIN_INS_LOWOVERHEAD
P0 = R0; /* P0 = port */
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
cli R3;
+#endif
P1 = R1; /* P1 = address */
P2 = R2; /* P2 = count */
SSYNC;
@@ -97,7 +137,14 @@ ENTRY(_insw)
W[P1++] = R0;
NOP;
.Lword_loop_e: NOP;
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
sti R3;
+#endif
RTS;
#else
P0 = R0; /* P0 = port */
@@ -106,12 +153,28 @@ ENTRY(_insw)
SSYNC;
LSETUP( .Lword_loop_s, .Lword_loop_e) LC0 = P2;
.Lword_loop_s:
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
CLI R3;
+#endif
NOP; NOP; NOP;
R0 = W[P0];
W[P1++] = R0;
.Lword_loop_e:
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
STI R3;
+#endif
RTS;
#endif
@@ -120,7 +183,16 @@ ENDPROC(_insw)
ENTRY(_insw_8)
#ifdef CONFIG_BFIN_INS_LOWOVERHEAD
P0 = R0; /* P0 = port */
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
cli R3;
+#endif
P1 = R1; /* P1 = address */
P2 = R2; /* P2 = count */
SSYNC;
@@ -131,7 +203,14 @@ ENTRY(_insw_8)
B[P1++] = R0;
NOP;
.Lword8_loop_e: NOP;
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
sti R3;
+#endif
RTS;
#else
P0 = R0; /* P0 = port */
@@ -140,7 +219,16 @@ ENTRY(_insw_8)
SSYNC;
LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2;
.Lword8_loop_s:
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
CLI R3;
+#endif
NOP; NOP; NOP;
R0 = W[P0];
B[P1++] = R0;
@@ -148,8 +236,14 @@ ENTRY(_insw_8)
B[P1++] = R0;
NOP;
.Lword8_loop_e:
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
STI R3;
-
+#endif
RTS;
#endif
ENDPROC(_insw_8)
@@ -157,7 +251,16 @@ ENDPROC(_insw_8)
ENTRY(_insb)
#ifdef CONFIG_BFIN_INS_LOWOVERHEAD
P0 = R0; /* P0 = port */
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
cli R3;
+#endif
P1 = R1; /* P1 = address */
P2 = R2; /* P2 = count */
SSYNC;
@@ -166,7 +269,14 @@ ENTRY(_insb)
B[P1++] = R0;
NOP;
.Lbyte_loop_e: NOP;
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
sti R3;
+#endif
RTS;
#else
P0 = R0; /* P0 = port */
@@ -175,13 +285,28 @@ ENTRY(_insb)
SSYNC;
LSETUP( .Lbyte_loop_s, .Lbyte_loop_e) LC0 = P2;
.Lbyte_loop_s:
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
CLI R3;
+#endif
NOP; NOP; NOP;
R0 = B[P0];
B[P1++] = R0;
.Lbyte_loop_e:
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
STI R3;
-
+#endif
RTS;
#endif
ENDPROC(_insb)
@@ -189,7 +314,16 @@ ENDPROC(_insb)
ENTRY(_insl_16)
#ifdef CONFIG_BFIN_INS_LOWOVERHEAD
P0 = R0; /* P0 = port */
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
cli R3;
+#endif
P1 = R1; /* P1 = address */
P2 = R2; /* P2 = count */
SSYNC;
@@ -200,7 +334,14 @@ ENTRY(_insl_16)
W[P1++] = R0;
NOP;
.Llong16_loop_e: NOP;
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
sti R3;
+#endif
RTS;
#else
P0 = R0; /* P0 = port */
@@ -209,14 +350,30 @@ ENTRY(_insl_16)
SSYNC;
LSETUP( .Llong16_loop_s, .Llong16_loop_e) LC0 = P2;
.Llong16_loop_s:
+#ifdef CONFIG_IPIPE
+ [--sp] = rets
+ [--sp] = (P5:0);
+ sp += -12
+ call ___ipipe_stall_root_raw
+ sp += 12
+ (P5:0) = [sp++];
+#else
CLI R3;
+#endif
NOP; NOP; NOP;
R0 = [P0];
W[P1++] = R0;
R0 = R0 >> 16;
W[P1++] = R0;
.Llong16_loop_e:
+#ifdef CONFIG_IPIPE
+ sp += -12
+ call ___ipipe_unstall_root_raw
+ sp += 12
+ rets = [sp++]
+#else
STI R3;
+#endif
RTS;
#endif
ENDPROC(_insl_16)