summaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/mpc8349_pci.h
blob: 7a1adba950d14e6bfb33b7a7b78e194950dadc9a (plain)
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
#ifndef _PPC_KERNEL_MPC8349_PCI_H
#define _PPC_KERNEL_MPC8349_PCI_H


#define M8265_PCIBR0	0x101ac
#define M8265_PCIBR1	0x101b0
#define M8265_PCIMSK0	0x101c4
#define M8265_PCIMSK1	0x101c8

/* Bit definitions for PCIBR registers */

#define PCIBR_ENABLE        0x00000001

/* Bit definitions for PCIMSK registers */

#define PCIMSK_32KB         0xFFFF8000  /* Size of window, smallest */
#define PCIMSK_64KB         0xFFFF0000
#define PCIMSK_128KB        0xFFFE0000
#define PCIMSK_256KB        0xFFFC0000
#define PCIMSK_512KB        0xFFF80000
#define PCIMSK_1MB          0xFFF00000
#define PCIMSK_2MB          0xFFE00000
#define PCIMSK_4MB          0xFFC00000
#define PCIMSK_8MB          0xFF800000
#define PCIMSK_16MB         0xFF000000
#define PCIMSK_32MB         0xFE000000
#define PCIMSK_64MB         0xFC000000
#define PCIMSK_128MB        0xF8000000
#define PCIMSK_256MB        0xF0000000
#define PCIMSK_512MB        0xE0000000
#define PCIMSK_1GB          0xC0000000  /* Size of window, largest */


#define M826X_SCCR_PCI_MODE_EN 0x100


/*
 * Outbound ATU registers (3 sets). These registers control how 60x bus
 * (local) addresses are translated to PCI addresses when the MPC826x is
 * a PCI bus master (initiator).
 */

#define POTAR_REG0          0x10800     /* PCI Outbound Translation Addr registers */
#define POTAR_REG1          0x10818
#define POTAR_REG2          0x10830

#define POBAR_REG0          0x10808     /* PCI Outbound Base Addr registers */
#define POBAR_REG1          0x10820
#define POBAR_REG2          0x10838

#define POCMR_REG0          0x10810     /* PCI Outbound Comparison Mask registers */
#define POCMR_REG1          0x10828
#define POCMR_REG2          0x10840

/* Bit definitions for POMCR registers */

#define POCMR_MASK_4KB      0x000FFFFF
#define POCMR_MASK_8KB      0x000FFFFE
#define POCMR_MASK_16KB     0x000FFFFC
#define POCMR_MASK_32KB     0x000FFFF8
#define POCMR_MASK_64KB     0x000FFFF0
#define POCMR_MASK_128KB    0x000FFFE0
#define POCMR_MASK_256KB    0x000FFFC0
#define POCMR_MASK_512KB    0x000FFF80
#define POCMR_MASK_1MB      0x000FFF00
#define POCMR_MASK_2MB      0x000FFE00
#define POCMR_MASK_4MB      0x000FFC00
#define POCMR_MASK_8MB      0x000FF800
#define POCMR_MASK_16MB     0x000FF000
#define POCMR_MASK_32MB     0x000FE000
#define POCMR_MASK_64MB     0x000FC000
#define POCMR_MASK_128MB    0x000F8000
#define POCMR_MASK_256MB    0x000F0000
#define POCMR_MASK_512MB    0x000E0000
#define POCMR_MASK_1GB      0x000C0000

#define POCMR_ENABLE        0x80000000
#define POCMR_PCI_IO        0x40000000
#define POCMR_PREFETCH_EN   0x20000000
#define POCMR_PCI2          0x10000000

/* Soft PCI reset */

#define PCI_GCR_REG         0x10880

/* Bit definitions for PCI_GCR registers */

#define PCIGCR_PCI_BUS_EN   0x1

/*
 * Inbound ATU registers (2 sets). These registers control how PCI
 * addresses are translated to 60x bus (local) addresses when the
 * MPC826x is a PCI bus target.
 */

#define PITAR_REG1          0x108D0
#define PIBAR_REG1          0x108D8
#define PICMR_REG1          0x108E0
#define PITAR_REG0          0x108E8
#define PIBAR_REG0          0x108F0
#define PICMR_REG0          0x108F8

/* Bit definitions for PCI Inbound Comparison Mask registers */

#define PICMR_MASK_4KB       0x000FFFFF
#define PICMR_MASK_8KB       0x000FFFFE
#define PICMR_MASK_16KB      0x000FFFFC
#define PICMR_MASK_32KB      0x000FFFF8
#define PICMR_MASK_64KB      0x000FFFF0
#define PICMR_MASK_128KB     0x000FFFE0
#define PICMR_MASK_256KB     0x000FFFC0
#define PICMR_MASK_512KB     0x000FFF80
#define PICMR_MASK_1MB       0x000FFF00
#define PICMR_MASK_2MB       0x000FFE00
#define PICMR_MASK_4MB       0x000FFC00
#define PICMR_MASK_8MB       0x000FF800
#define PICMR_MASK_16MB      0x000FF000
#define PICMR_MASK_32MB      0x000FE000
#define PICMR_MASK_64MB      0x000FC000
#define PICMR_MASK_128MB     0x000F8000
#define PICMR_MASK_256MB     0x000F0000
#define PICMR_MASK_512MB     0x000E0000
#define PICMR_MASK_1GB       0x000C0000

#define PICMR_ENABLE         0x80000000
#define PICMR_NO_SNOOP_EN    0x40000000
#define PICMR_PREFETCH_EN    0x20000000

/* PCI error Registers */

#define	PCI_ERROR_STATUS_REG		0x10884
#define	PCI_ERROR_MASK_REG		0x10888
#define	PCI_ERROR_CONTROL_REG		0x1088C
#define PCI_ERROR_ADRS_CAPTURE_REG      0x10890
#define PCI_ERROR_DATA_CAPTURE_REG      0x10898
#define PCI_ERROR_CTRL_CAPTURE_REG      0x108A0

/* PCI error Register bit defines */

#define	PCI_ERROR_PCI_ADDR_PAR			0x00000001
#define	PCI_ERROR_PCI_DATA_PAR_WR		0x00000002
#define	PCI_ERROR_PCI_DATA_PAR_RD		0x00000004
#define	PCI_ERROR_PCI_NO_RSP			0x00000008
#define	PCI_ERROR_PCI_TAR_ABT			0x00000010
#define	PCI_ERROR_PCI_SERR			0x00000020
#define	PCI_ERROR_PCI_PERR_RD			0x00000040
#define	PCI_ERROR_PCI_PERR_WR			0x00000080
#define	PCI_ERROR_I2O_OFQO			0x00000100
#define	PCI_ERROR_I2O_IPQO			0x00000200
#define	PCI_ERROR_IRA				0x00000400
#define	PCI_ERROR_NMI				0x00000800
#define	PCI_ERROR_I2O_DBMC			0x00001000

/*
 * Register pair used to generate configuration cycles on the PCI bus
 * and access the MPC826x's own PCI configuration registers.
 */

#define PCI_CFG_ADDR_REG     0x10900
#define PCI_CFG_DATA_REG     0x10904

/* Bus parking decides where the bus control sits when idle */
/* If modifying memory controllers for PCI park on the core */

#define PPC_ACR_BUS_PARK_CORE 0x6
#define PPC_ACR_BUS_PARK_PCI  0x3

#endif /* _PPC_KERNEL_M8260_PCI_H */