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-rw-r--r--arch/blackfin/lib/outs.S16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/blackfin/lib/outs.S b/arch/blackfin/lib/outs.S
index 4c3da8ae094e..3daf96035bf6 100644
--- a/arch/blackfin/lib/outs.S
+++ b/arch/blackfin/lib/outs.S
@@ -7,7 +7,7 @@
7 * Description: Implementation of outs{bwl} for BlackFin processors using zero overhead loops. 7 * Description: Implementation of outs{bwl} for BlackFin processors using zero overhead loops.
8 * 8 *
9 * Modified: Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl> 9 * Modified: Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl>
10 * Copyright 2004-2006 Analog Devices Inc. 10 * Copyright 2004-2008 Analog Devices Inc.
11 * 11 *
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/ 12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
13 * 13 *
@@ -63,3 +63,17 @@ ENTRY(_outsb)
63.Lbyte_loop_e: B[P0] = R0; 63.Lbyte_loop_e: B[P0] = R0;
64 RTS; 64 RTS;
65ENDPROC(_outsb) 65ENDPROC(_outsb)
66
67ENTRY(_outsw_8)
68 P0 = R0; /* P0 = port */
69 P1 = R1; /* P1 = address */
70 P2 = R2; /* P2 = count */
71
72 LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2;
73.Lword8_loop_s: R1 = B[P1++];
74 R0 = B[P1++];
75 R0 = R0 << 8;
76 R0 = R0 + R1;
77.Lword8_loop_e: W[P0] = R0;
78 RTS;
79ENDPROC(_outsw)