1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
* PMC-Sierra MSP board specific pci fixups.
*
* Copyright 2001 MontaVista Software Inc.
* Copyright 2005-2007 PMC-Sierra, Inc
*
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef CONFIG_PCI
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/byteorder.h>
#include <msp_pci.h>
#include <msp_cic_int.h>
/* PCI interrupt pins */
#define IRQ4 MSP_INT_EXT4
#define IRQ5 MSP_INT_EXT5
#define IRQ6 MSP_INT_EXT6
#if defined(CONFIG_PMC_MSP7120_GW)
/* Garibaldi Board IRQ wiring to PCI slots */
static char irq_tab[][5] __initdata = {
/* INTA INTB INTC INTD */
{0, 0, 0, 0, 0 }, /* (AD[0]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[1]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[2]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[3]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[4]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[5]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[6]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[7]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[8]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[9]): Unused */
{0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */
{0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */
{0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */
{0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */
{0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */
{0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */
{0, 0, 0, 0, 0 }, /* 6 (AD[16]): Unused */
{0, 0, 0, 0, 0 }, /* 7 (AD[17]): Unused */
{0, 0, 0, 0, 0 }, /* 8 (AD[18]): Unused */
{0, 0, 0, 0, 0 }, /* 9 (AD[19]): Unused */
{0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */
{0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */
{0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */
{0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */
{0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */
{0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */
{0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */
{0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */
{0, IRQ4, IRQ4, 0, 0 }, /* 18 (AD[28]): slot 0 */
{0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */
{0, IRQ5, IRQ5, 0, 0 }, /* 20 (AD[30]): slot 1 */
{0, IRQ6, IRQ6, 0, 0 } /* 21 (AD[31]): slot 2 */
};
#elif defined(CONFIG_PMC_MSP7120_EVAL)
/* MSP7120 Eval Board IRQ wiring to PCI slots */
static char irq_tab[][5] __initdata = {
/* INTA INTB INTC INTD */
{0, 0, 0, 0, 0 }, /* (AD[0]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[1]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[2]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[3]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[4]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[5]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[6]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[7]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[8]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[9]): Unused */
{0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */
{0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */
{0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */
{0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */
{0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */
{0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */
{0, IRQ6, IRQ6, 0, 0 }, /* 6 (AD[16]): slot 3 (mini) */
{0, IRQ5, IRQ5, 0, 0 }, /* 7 (AD[17]): slot 2 (mini) */
{0, IRQ4, IRQ4, IRQ4, IRQ4}, /* 8 (AD[18]): slot 0 (PCI) */
{0, IRQ5, IRQ5, IRQ5, IRQ5}, /* 9 (AD[19]): slot 1 (PCI) */
{0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */
{0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */
{0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */
{0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */
{0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */
{0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */
{0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */
{0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */
{0, 0, 0, 0, 0 }, /* 18 (AD[28]): Unused */
{0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */
{0, 0, 0, 0, 0 }, /* 20 (AD[30]): Unused */
{0, 0, 0, 0, 0 } /* 21 (AD[31]): Unused */
};
#else
/* Unknown board -- don't assign any IRQs */
static char irq_tab[][5] __initdata = {
/* INTA INTB INTC INTD */
{0, 0, 0, 0, 0 }, /* (AD[0]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[1]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[2]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[3]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[4]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[5]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[6]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[7]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[8]): Unused */
{0, 0, 0, 0, 0 }, /* (AD[9]): Unused */
{0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */
{0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */
{0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */
{0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */
{0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */
{0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */
{0, 0, 0, 0, 0 }, /* 6 (AD[16]): Unused */
{0, 0, 0, 0, 0 }, /* 7 (AD[17]): Unused */
{0, 0, 0, 0, 0 }, /* 8 (AD[18]): Unused */
{0, 0, 0, 0, 0 }, /* 9 (AD[19]): Unused */
{0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */
{0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */
{0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */
{0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */
{0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */
{0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */
{0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */
{0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */
{0, 0, 0, 0, 0 }, /* 18 (AD[28]): Unused */
{0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */
{0, 0, 0, 0, 0 }, /* 20 (AD[30]): Unused */
{0, 0, 0, 0, 0 } /* 21 (AD[31]): Unused */
};
#endif
/*****************************************************************************
*
* FUNCTION: pcibios_plat_dev_init
* _________________________________________________________________________
*
* DESCRIPTION: Perform platform specific device initialization at
* pci_enable_device() time.
* None are needed for the MSP7120 PCI Controller.
*
* INPUTS: dev - structure describing the PCI device
*
* OUTPUTS: none
*
* RETURNS: PCIBIOS_SUCCESSFUL
*
****************************************************************************/
int pcibios_plat_dev_init(struct pci_dev *dev)
{
return PCIBIOS_SUCCESSFUL;
}
/*****************************************************************************
*
* FUNCTION: pcibios_map_irq
* _________________________________________________________________________
*
* DESCRIPTION: Perform board supplied PCI IRQ mapping routine.
*
* INPUTS: dev - unused
* slot - PCI slot. Identified by which bit of the AD[] bus
* drives the IDSEL line. AD[10] is 0, AD[31] is
* slot 21.
* pin - numbered using the scheme of the PCI_INTERRUPT_PIN
* field of the config header.
*
* OUTPUTS: none
*
* RETURNS: IRQ number
*
****************************************************************************/
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
#if !defined(CONFIG_PMC_MSP7120_GW) && !defined(CONFIG_PMC_MSP7120_EVAL)
printk(KERN_WARNING "PCI: unknown board, no PCI IRQs assigned.\n");
#endif
printk(KERN_WARNING "PCI: irq_tab returned %d for slot=%d pin=%d\n",
irq_tab[slot][pin], slot, pin);
return irq_tab[slot][pin];
}
#endif /* CONFIG_PCI */
|
