Mercurial > ecos

annotate packages/hal/powerpc/cogent/current/src/cogent.S @ 3292:7f8e529b4d82 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
2 ##
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
3 ## cogent.S
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
4 ##
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
5 ## Cogent board hardware setup
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
6 ##
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
7 ##=============================================================================
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
8 ## ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
9 ## -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
10 ## This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
12 ##
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
13 ## eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
14 ## the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
15 ## Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
16 ## version.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
17 ##
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
18 ## eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
19 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
20 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
21 ## for more details.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
22 ##
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
23 ## You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
24 ## along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
25 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
26 ##
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
27 ## As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
28 ## macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
29 ## and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
30 ## this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
31 ## the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
32 ## must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
33 ## General Public License v2.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
34 ##
2729
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
35 ## This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
36 ## on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
37 ## -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents: 210
diff changeset
38 ## ####ECOSGPLCOPYRIGHTEND####
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
39 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
40 #######DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
41 ##
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
42 ## Author(s): nickg
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
43 ## Contributors: nickg
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
44 ## Date: 1997-11-11
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
45 ## Purpose: Cogent board hardware setup
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
46 ## Description: This file contains any code needed to initialize the
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
47 ## hardware on a Cogent PowerPC board.
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
48 ##
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
49 ######DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
50 ##
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
51 ##=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
52
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
53 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
54
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
55 #include <cyg/hal/ppc_regs.h>
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 68
diff changeset
56 #include <cyg/hal/arch.inc>
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
57
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
58 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
59
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
60 .globl hal_hardware_init
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
61 hal_hardware_init:
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
62
68
f74b2666b30d Merge from eCos master repository on 2000-02-04-07:47:04-GMT
jlarmour
parents: 66
diff changeset
63 #if defined(CYGPKG_HAL_POWERPC_COGENT) && defined(CYGPKG_HAL_POWERPC_MPC8xx)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
64
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
65 # Set up MPC8xx mapping registers for cogent
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
66
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
67 lwi r3,CYGARC_REG_IMM_BASE # base address of control registers
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 76
diff changeset
68 mtspr CYGARC_REG_IMMR,r3
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 76
diff changeset
69
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
70 # Set timebase divisor to busclock/16, pitrtc divisor to 512.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
71 lwz r4,(CYGARC_REG_IMM_SCCR - CYGARC_REG_IMM_BASE)(r3)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
72 lwi r5,(CYGARC_REG_IMM_SCCR_RTDIV | CYGARC_REG_IMM_SCCR_RTSEL | CYGARC_REG_IMM_SCCR_TBS)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
73 or r4,r4,r5
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
74 stw r4,(CYGARC_REG_IMM_SCCR - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
75
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
76 # Enable TimeBase
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
77 li r4,CYGARC_REG_IMM_TBSCR_TBE
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
78 sth r4,(CYGARC_REG_IMM_TBSCR - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
79
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
80 # Note: I do not know if the timeout is correct/optimal.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
81 # Works with the above memory mappings/wait states and
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
82 # the PromICE.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
83 # Disable watchdog, enable bus monitor, timeout after 255*8 cycles
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
84 lwi r4,(CYGARC_REG_IMM_SYPCR_BMT_MASK | CYGARC_REG_IMM_SYPCR_BME)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
85 stw r4,(CYGARC_REG_IMM_SYPCR - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
86
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
87 # Set CS0 to
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
88 # base addr 0xfff00000
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
89 # wait states 4
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
90 # size 1M
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
91 # Covers ROM
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
92 # Note: After a reset code is currently executing via the default
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
93 # mapping defined in bank 0. This bank must remain valid while
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
94 # it is being configured.
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
95 lwi r4,(0xfff00000 | CYGARC_REG_IMM_BR_PS_16 | CYGARC_REG_IMM_BR_V)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
96 stw r4,(CYGARC_REG_IMM_BR0 - CYGARC_REG_IMM_BASE)(r3)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
97 lwi r4,(0xfff00000 | CYGARC_REG_IMM_OR_BI | 4 << CYGARC_REG_IMM_OR_SCY_SHIFT)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
98 stw r4,(CYGARC_REG_IMM_OR0 - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
99
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
100 # Set CS1 to
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
101 # base addr 0x00000000
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
102 # external ACK
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
103 # size 64M
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
104 # Covers DRAM and slot0
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
105 lwi r4,(0xfc000000 | CYGARC_REG_IMM_OR_SETA)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
106 stw r4,(CYGARC_REG_IMM_OR1 - CYGARC_REG_IMM_BASE)(r3)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
107 lwi r4,(0x00000000 | CYGARC_REG_IMM_BR_PS_32 | CYGARC_REG_IMM_BR_V)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
108 stw r4,(CYGARC_REG_IMM_BR1 - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
109
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
110 # Set CS2 to
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
111 # base addr 0x04000000
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
112 # external ACK
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
113 # size 64M
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
114 # slot1 and slot2
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
115 lwi r4,(0xfc000000 | CYGARC_REG_IMM_OR_SETA)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
116 stw r4,(CYGARC_REG_IMM_OR2 - CYGARC_REG_IMM_BASE)(r3)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
117 lwi r4,(0x04000000 | CYGARC_REG_IMM_BR_PS_32 | CYGARC_REG_IMM_BR_V)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
118 stw r4,(CYGARC_REG_IMM_BR2 - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
119
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
120 # Set CS3 to
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
121 # base addr 0x0e000000
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
122 # exernal ack
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
123 # size 32M
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
124 # covers IO registers
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
125 lwi r4,(0xfe000000 | CYGARC_REG_IMM_OR_BI | CYGARC_REG_IMM_OR_SETA)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
126 stw r4,(CYGARC_REG_IMM_OR3 - CYGARC_REG_IMM_BASE)(r3)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
127 lwi r4,(0x0e000000 | CYGARC_REG_IMM_BR_PS_32 | CYGARC_REG_IMM_BR_V)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
128 stw r4,(CYGARC_REG_IMM_BR3 - CYGARC_REG_IMM_BASE)(r3)
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
129
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
130 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
131
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
132 sync
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
133 blr
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
134
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
135 #------------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
136 # end of cogent.S