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-rw-r--r--arch/blackfin/lib/checksum.c21
-rw-r--r--arch/blackfin/lib/ins.S21
-rw-r--r--arch/blackfin/lib/outs.S16
3 files changed, 43 insertions, 15 deletions
diff --git a/arch/blackfin/lib/checksum.c b/arch/blackfin/lib/checksum.c
index 42768e0..5c87505 100644
--- a/arch/blackfin/lib/checksum.c
+++ b/arch/blackfin/lib/checksum.c
@@ -72,9 +72,9 @@ static unsigned short do_csum(const unsigned char *buff, int len)
* This is a version of ip_compute_csum() optimized for IP headers,
* which always checksum on 4 octet boundaries.
*/
-unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
+__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl)
{
- return ~do_csum(iph, ihl * 4);
+ return (__force __sum16)~do_csum(iph, ihl * 4);
}
/*
@@ -89,7 +89,7 @@ unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
*
* it's best to have buff aligned on a 32-bit boundary
*/
-unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum)
+__wsum csum_partial(const void *buff, int len, __wsum sum)
{
/*
* Just in case we get nasty checksum data...
@@ -109,22 +109,22 @@ unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum)
* this routine is used for miscellaneous IP-like checksums, mainly
* in icmp.c
*/
-unsigned short ip_compute_csum(const unsigned char *buff, int len)
+__sum16 ip_compute_csum(const void *buff, int len)
{
- return ~do_csum(buff, len);
+ return (__force __sum16)~do_csum(buff, len);
}
/*
* copy from fs while checksumming, otherwise like csum_partial
*/
-unsigned int
-csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst,
- int len, int sum, int *csum_err)
+__wsum
+csum_partial_copy_from_user(const void __user *src, void *dst,
+ int len, __wsum sum, int *csum_err)
{
if (csum_err)
*csum_err = 0;
- memcpy(dst, src, len);
+ memcpy(dst, (__force void *)src, len);
return csum_partial(dst, len, sum);
}
@@ -132,8 +132,7 @@ csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst,
* copy from ds while checksumming, otherwise like csum_partial
*/
-unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst,
- int len, int sum)
+__wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum)
{
memcpy(dst, src, len);
return csum_partial(dst, len, sum);
diff --git a/arch/blackfin/lib/ins.S b/arch/blackfin/lib/ins.S
index df7b883..eba2343 100644
--- a/arch/blackfin/lib/ins.S
+++ b/arch/blackfin/lib/ins.S
@@ -7,7 +7,7 @@
* Description: Implementation of ins{bwl} for BlackFin processors using zero overhead loops.
*
* Modified:
- * Copyright 2004-2006 Analog Devices Inc.
+ * Copyright 2004-2008 Analog Devices Inc.
* Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl>
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
@@ -63,6 +63,23 @@ ENTRY(_insw)
RTS;
ENDPROC(_insw)
+ENTRY(_insw_8)
+ P0 = R0; /* P0 = port */
+ cli R3;
+ P1 = R1; /* P1 = address */
+ P2 = R2; /* P2 = count */
+ SSYNC;
+ LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2;
+.Lword8_loop_s: R0 = W[P0];
+ B[P1++] = R0;
+ R0 = R0 >> 8;
+ B[P1++] = R0;
+ NOP;
+.Lword8_loop_e: NOP;
+ sti R3;
+ RTS;
+ENDPROC(_insw_8)
+
ENTRY(_insb)
P0 = R0; /* P0 = port */
cli R3;
@@ -78,8 +95,6 @@ ENTRY(_insb)
RTS;
ENDPROC(_insb)
-
-
ENTRY(_insl_16)
P0 = R0; /* P0 = port */
cli R3;
diff --git a/arch/blackfin/lib/outs.S b/arch/blackfin/lib/outs.S
index 4c3da8a..4685b7a 100644
--- a/arch/blackfin/lib/outs.S
+++ b/arch/blackfin/lib/outs.S
@@ -7,7 +7,7 @@
* Description: Implementation of outs{bwl} for BlackFin processors using zero overhead loops.
*
* Modified: Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl>
- * Copyright 2004-2006 Analog Devices Inc.
+ * Copyright 2004-2008 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
@@ -63,3 +63,17 @@ ENTRY(_outsb)
.Lbyte_loop_e: B[P0] = R0;
RTS;
ENDPROC(_outsb)
+
+ENTRY(_outsw_8)
+ P0 = R0; /* P0 = port */
+ P1 = R1; /* P1 = address */
+ P2 = R2; /* P2 = count */
+
+ LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2;
+.Lword8_loop_s: R1 = B[P1++];
+ R0 = B[P1++];
+ R0 = R0 << 8;
+ R0 = R0 + R1;
+.Lword8_loop_e: W[P0] = R0;
+ RTS;
+ENDPROC(_outsw_8)
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