diff options
Diffstat (limited to 'arch/cris/arch-v10/lib')
-rw-r--r-- | arch/cris/arch-v10/lib/checksum.S | 8 | ||||
-rw-r--r-- | arch/cris/arch-v10/lib/checksumcopy.S | 8 | ||||
-rw-r--r-- | arch/cris/arch-v10/lib/dram_init.S | 58 | ||||
-rw-r--r-- | arch/cris/arch-v10/lib/old_checksum.c | 3 |
4 files changed, 5 insertions, 72 deletions
diff --git a/arch/cris/arch-v10/lib/checksum.S b/arch/cris/arch-v10/lib/checksum.S index 85c48f0a9ec2..7d552f4bd5ae 100644 --- a/arch/cris/arch-v10/lib/checksum.S +++ b/arch/cris/arch-v10/lib/checksum.S | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $Id: checksum.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ | 1 | /* |
2 | * A fast checksum routine using movem | 2 | * A fast checksum routine using movem |
3 | * Copyright (c) 1998-2001 Axis Communications AB | 3 | * Copyright (c) 1998-2001 Axis Communications AB |
4 | * | 4 | * |
@@ -61,8 +61,6 @@ _mloop: movem [$r10+],$r9 ; read 10 longwords | |||
61 | 61 | ||
62 | ax | 62 | ax |
63 | addq 0,$r12 | 63 | addq 0,$r12 |
64 | ax ; do it again, since we might have generated a carry | ||
65 | addq 0,$r12 | ||
66 | 64 | ||
67 | subq 10*4,$r11 | 65 | subq 10*4,$r11 |
68 | bge _mloop | 66 | bge _mloop |
@@ -88,10 +86,6 @@ _word_loop: | |||
88 | lsrq 16,$r13 ; r13 = checksum >> 16 | 86 | lsrq 16,$r13 ; r13 = checksum >> 16 |
89 | and.d $r9,$r12 ; checksum = checksum & 0xffff | 87 | and.d $r9,$r12 ; checksum = checksum & 0xffff |
90 | add.d $r13,$r12 ; checksum += r13 | 88 | add.d $r13,$r12 ; checksum += r13 |
91 | move.d $r12,$r13 ; do the same again, maybe we got a carry last add | ||
92 | lsrq 16,$r13 | ||
93 | and.d $r9,$r12 | ||
94 | add.d $r13,$r12 | ||
95 | 89 | ||
96 | _no_fold: | 90 | _no_fold: |
97 | cmpq 2,$r11 | 91 | cmpq 2,$r11 |
diff --git a/arch/cris/arch-v10/lib/checksumcopy.S b/arch/cris/arch-v10/lib/checksumcopy.S index 35cbffb306fd..540db8a5f849 100644 --- a/arch/cris/arch-v10/lib/checksumcopy.S +++ b/arch/cris/arch-v10/lib/checksumcopy.S | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $Id: checksumcopy.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ | 1 | /* |
2 | * A fast checksum+copy routine using movem | 2 | * A fast checksum+copy routine using movem |
3 | * Copyright (c) 1998, 2001 Axis Communications AB | 3 | * Copyright (c) 1998, 2001 Axis Communications AB |
4 | * | 4 | * |
@@ -67,8 +67,6 @@ _mloop: movem [$r10+],$r9 ; read 10 longwords | |||
67 | 67 | ||
68 | ax | 68 | ax |
69 | addq 0,$r13 | 69 | addq 0,$r13 |
70 | ax ; do it again, since we might have generated a carry | ||
71 | addq 0,$r13 | ||
72 | 70 | ||
73 | subq 10*4,$r12 | 71 | subq 10*4,$r12 |
74 | bge _mloop | 72 | bge _mloop |
@@ -91,10 +89,6 @@ _word_loop: | |||
91 | lsrq 16,$r9 ; r0 = checksum >> 16 | 89 | lsrq 16,$r9 ; r0 = checksum >> 16 |
92 | and.d 0xffff,$r13 ; checksum = checksum & 0xffff | 90 | and.d 0xffff,$r13 ; checksum = checksum & 0xffff |
93 | add.d $r9,$r13 ; checksum += r0 | 91 | add.d $r9,$r13 ; checksum += r0 |
94 | move.d $r13,$r9 ; do the same again, maybe we got a carry last add | ||
95 | lsrq 16,$r9 | ||
96 | and.d 0xffff,$r13 | ||
97 | add.d $r9,$r13 | ||
98 | 92 | ||
99 | _no_fold: | 93 | _no_fold: |
100 | cmpq 2,$r12 | 94 | cmpq 2,$r12 |
diff --git a/arch/cris/arch-v10/lib/dram_init.S b/arch/cris/arch-v10/lib/dram_init.S index 6a6bdfd6984d..b9190ff7d0a4 100644 --- a/arch/cris/arch-v10/lib/dram_init.S +++ b/arch/cris/arch-v10/lib/dram_init.S | |||
@@ -1,5 +1,4 @@ | |||
1 | /* $Id: dram_init.S,v 1.4 2003/09/22 09:21:59 starvik Exp $ | 1 | /* |
2 | * | ||
3 | * DRAM/SDRAM initialization - alter with care | 2 | * DRAM/SDRAM initialization - alter with care |
4 | * This file is intended to be included from other assembler files | 3 | * This file is intended to be included from other assembler files |
5 | * | 4 | * |
@@ -8,60 +7,7 @@ | |||
8 | * | 7 | * |
9 | * Copyright (C) 2000, 2001 Axis Communications AB | 8 | * Copyright (C) 2000, 2001 Axis Communications AB |
10 | * | 9 | * |
11 | * Authors: Mikael Starvik (starvik@axis.com) | 10 | * Authors: Mikael Starvik (starvik@axis.com) |
12 | * | ||
13 | * $Log: dram_init.S,v $ | ||
14 | * Revision 1.4 2003/09/22 09:21:59 starvik | ||
15 | * Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx | ||
16 | * so we need to mask off 12 bits. | ||
17 | * | ||
18 | * Revision 1.3 2003/03/31 09:38:37 starvik | ||
19 | * Corrected calculation of end of sdram init commands | ||
20 | * | ||
21 | * Revision 1.2 2002/11/19 13:33:29 starvik | ||
22 | * Changes from Linux 2.4 | ||
23 | * | ||
24 | * Revision 1.13 2002/10/30 07:42:28 starvik | ||
25 | * Always read SDRAM command sequence from flash | ||
26 | * | ||
27 | * Revision 1.12 2002/08/09 11:37:37 orjanf | ||
28 | * Added double initialization work-around for Samsung SDRAMs. | ||
29 | * | ||
30 | * Revision 1.11 2002/06/04 11:43:21 starvik | ||
31 | * Check if mrs_data is specified in kernelconfig (necessary for MCM) | ||
32 | * | ||
33 | * Revision 1.10 2001/10/04 12:00:21 martinnn | ||
34 | * Added missing underscores. | ||
35 | * | ||
36 | * Revision 1.9 2001/10/01 14:47:35 bjornw | ||
37 | * Added register prefixes and removed underscores | ||
38 | * | ||
39 | * Revision 1.8 2001/05/15 07:12:45 hp | ||
40 | * Copy warning from head.S about r8 and r9 | ||
41 | * | ||
42 | * Revision 1.7 2001/04/18 12:05:39 bjornw | ||
43 | * Fixed comments, and explicitly include config.h to be sure its there | ||
44 | * | ||
45 | * Revision 1.6 2001/04/10 06:20:16 starvik | ||
46 | * Delay should be 200us, not 200ns | ||
47 | * | ||
48 | * Revision 1.5 2001/04/09 06:01:13 starvik | ||
49 | * Added support for 100 MHz SDRAMs | ||
50 | * | ||
51 | * Revision 1.4 2001/03/26 14:24:01 bjornw | ||
52 | * Namechange of some config options | ||
53 | * | ||
54 | * Revision 1.3 2001/03/23 08:29:41 starvik | ||
55 | * Corrected calculation of mrs_data | ||
56 | * | ||
57 | * Revision 1.2 2001/02/08 15:20:00 starvik | ||
58 | * Corrected SDRAM initialization | ||
59 | * Should now be included as inline | ||
60 | * | ||
61 | * Revision 1.1 2001/01/29 13:08:02 starvik | ||
62 | * Initial version | ||
63 | * This file should be included from all assembler files that needs to | ||
64 | * initialize DRAM/SDRAM. | ||
65 | * | 11 | * |
66 | */ | 12 | */ |
67 | 13 | ||
diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c index 497634a64829..1734b467efa6 100644 --- a/arch/cris/arch-v10/lib/old_checksum.c +++ b/arch/cris/arch-v10/lib/old_checksum.c | |||
@@ -1,5 +1,4 @@ | |||
1 | /* $Id: old_checksum.c,v 1.3 2003/10/27 08:04:32 starvik Exp $ | 1 | /* |
2 | * | ||
3 | * INET An implementation of the TCP/IP protocol suite for the LINUX | 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
4 | * operating system. INET is implemented using the BSD Socket | 3 | * operating system. INET is implemented using the BSD Socket |
5 | * interface as the means of communication with the user level. | 4 | * interface as the means of communication with the user level. |