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1 | /* |
2 | * Low-Level PCI Support for SH7780 targets | |
3 | * | |
4 | * Dustin McIntire (dustin@sensoria.com) (c) 2001 | |
5 | * Paul Mundt (lethal@linux-sh.org) (c) 2003 | |
6 | * | |
7 | * May be copied or modified under the terms of the GNU General Public | |
8 | * License. See linux/COPYING for more information. | |
9 | * | |
10 | */ | |
11 | ||
12 | #ifndef _PCI_SH7780_H_ | |
13 | #define _PCI_SH7780_H_ | |
14 | ||
15 | #include <linux/pci.h> | |
16 | ||
17 | /* set debug level 4=verbose...1=terse */ | |
18 | //#define DEBUG_PCI 3 | |
19 | #undef DEBUG_PCI | |
20 | ||
21 | #ifdef DEBUG_PCI | |
22 | #define PCIDBG(n, x...) { if(DEBUG_PCI>=n) printk(x); } | |
23 | #else | |
24 | #define PCIDBG(n, x...) | |
25 | #endif | |
26 | ||
27 | /* startup values */ | |
28 | #define PCI_PROBE_BIOS 1 | |
29 | #define PCI_PROBE_CONF1 2 | |
30 | #define PCI_PROBE_CONF2 4 | |
31 | #define PCI_NO_SORT 0x100 | |
32 | #define PCI_BIOS_SORT 0x200 | |
33 | #define PCI_NO_CHECKS 0x400 | |
34 | #define PCI_ASSIGN_ROMS 0x1000 | |
35 | #define PCI_BIOS_IRQ_SCAN 0x2000 | |
36 | ||
37 | /* Platform Specific Values */ | |
38 | #define SH7780_VENDOR_ID 0x1912 | |
39 | #define SH7780_DEVICE_ID 0x0002 | |
40 | #define SH7781_DEVICE_ID 0x0001 | |
41 | ||
42 | /* SH7780 Control Registers */ | |
43 | #define SH7780_PCI_VCR0 0xFE000000 | |
44 | #define SH7780_PCI_VCR1 0xFE000004 | |
45 | #define SH7780_PCI_VCR2 0xFE000008 | |
46 | ||
47 | /* SH7780 Specific Values */ | |
48 | #define SH7780_PCI_CONFIG_BASE 0xFD000000 /* Config space base addr */ | |
49 | #define SH7780_PCI_CONFIG_SIZE 0x01000000 /* Config space size */ | |
50 | #define SH7780_PCI_MEMORY_BASE 0xFD000000 /* Memory space base addr */ | |
51 | #define SH7780_PCI_MEM_SIZE 0x01000000 /* Size of Memory window */ | |
52 | #if 1 | |
53 | #define SH7780_PCI_IO_BASE 0xFE400000 /* IO space base address */ | |
54 | #define SH7780_PCI_IO_SIZE 0x00400000 /* Size of IO window */ | |
55 | #else | |
56 | #define SH7780_PCI_IO_BASE 0xFE200000 /* IO space base address */ | |
57 | #define SH7780_PCI_IO_SIZE 0x00200000 /* Size of IO window */ | |
58 | #endif | |
59 | ||
60 | #define SH7780_PCIREG_BASE 0xFE040000 /* PCI regs base address */ | |
61 | #define PCI_REG(n) (SH7780_PCIREG_BASE+n) | |
62 | ||
63 | /* SH7780 PCI Config Registers */ | |
64 | #define SH7780_PCIVID 0x000 /* Vendor ID */ | |
65 | #define SH7780_PCIDID 0x002 /* Device ID */ | |
66 | #define SH7780_PCICMD 0x004 /* Command */ | |
67 | #define SH7780_PCISTATUS 0x006 /* Status */ | |
68 | #define SH7780_PCIRID 0x008 /* Revision ID */ | |
69 | #define SH7780_PCIPIF 0x009 /* Program Interface */ | |
70 | #define SH7780_PCISUB 0x00a /* Sub class code */ | |
71 | #define SH7780_PCIBCC 0x00b /* Base class code */ | |
72 | #define SH7780_PCICLS 0x00c /* Cache line size */ | |
73 | #define SH7780_PCILTM 0x00d /* latency timer */ | |
74 | #define SH7780_PCIHDR 0x00e /* Header type */ | |
75 | #define SH7780_PCIBIST 0x00f /* BIST */ | |
76 | #define SH7780_PCIIBAR 0x010 /* IO Base address */ | |
77 | #define SH7780_PCIMBAR0 0x014 /* Memory base address0 */ | |
78 | #define SH7780_PCIMBAR1 0x018 /* Memory base address1 */ | |
79 | #define SH7780_PCISVID 0x02c /* Sub system vendor ID */ | |
80 | #define SH7780_PCISID 0x02e /* Sub system ID */ | |
81 | #define SH7780_PCICP 0x034 | |
82 | #define SH7780_PCIINTLINE 0x03c /* Interrupt line */ | |
83 | #define SH7780_PCIINTPIN 0x03d /* Interrupt pin */ | |
84 | #define SH7780_PCIMINGNT 0x03e /* Minumum grand */ | |
85 | #define SH7780_PCIMAXLAT 0x03f /* Maxmum latency */ | |
86 | #define SH7780_PCICID 0x040 | |
87 | #define SH7780_PCINIP 0x041 | |
88 | #define SH7780_PCIPMC 0x042 | |
89 | #define SH7780_PCIPMCSR 0x044 | |
90 | #define SH7780_PCIPMCSR_BSE 0x046 | |
91 | #define SH7780_PCICDD 0x047 | |
92 | ||
93 | /* SH7780 PCI Local Registers */ | |
94 | #define SH7780_PCICR 0x100 /* PCI Control Register */ | |
95 | #define SH7780_PCICR_PREFIX 0xA5000000 /* CR prefix for write */ | |
96 | #define SH7780_PCICR_PFCS 0x00000800 /* TRDY/IRDY Enable */ | |
97 | #define SH7780_PCICR_FTO 0x00000400 /* TRDY/IRDY Enable */ | |
98 | #define SH7780_PCICR_PFE 0x00000200 /* Target Read Single */ | |
99 | #define SH7780_PCICR_TBS 0x00000100 /* Target Byte Swap */ | |
100 | #define SH7780_PCICR_ARBM 0x00000040 /* PCI Arbitration Mode */ | |
101 | #define SH7780_PCICR_IOCS 0x00000004 /* INTA output assert */ | |
102 | #define SH7780_PCICR_PRST 0x00000002 /* PCI Reset Assert */ | |
103 | #define SH7780_PCICR_CFIN 0x00000001 /* Central Fun. Init Done */ | |
104 | #define SH7780_PCILSR0 0x104 /* PCI Local Space Register0 */ | |
105 | #define SH7780_PCILSR1 0x108 /* PCI Local Space Register1 */ | |
106 | #define SH7780_PCILAR0 0x10C /* PCI Local Address Register1 */ | |
107 | #define SH7780_PCILAR1 0x110 /* PCI Local Address Register1 */ | |
108 | #define SH7780_PCIIR 0x114 /* PCI Interrupt Register */ | |
109 | #define SH7780_PCIIMR 0x118 /* PCI Interrupt Mask Register */ | |
110 | #define SH7780_PCIAIR 0x11C /* Error Address Register */ | |
111 | #define SH7780_PCICIR 0x120 /* Error Command/Data Register */ | |
112 | #define SH7780_PCIAINT 0x130 /* Arbiter Interrupt Register */ | |
113 | #define SH7780_PCIAINTM 0x134 /* Arbiter Int. Mask Register */ | |
114 | #define SH7780_PCIBMIR 0x138 /* Error Bus Master Register */ | |
115 | #define SH7780_PCIPAR 0x1C0 /* PIO Address Register */ | |
116 | #define SH7780_PCIPINT 0x1CC /* Power Management Int. Register */ | |
117 | #define SH7780_PCIPINTM 0x1D0 /* Power Management Mask Register */ | |
118 | #define SH7780_PCIMBR0 0x1E0 /* Memory Bank0 Register */ | |
119 | #define SH7780_PCIMBMR0 0x1E4 /* Memory Bank0 Mask Register */ | |
120 | #define SH7780_PCIMBR1 0x1E8 /* Memory Bank1 Register */ | |
121 | #define SH7780_PCIMBMR1 0x1EC /* Memory Bank1 Mask Register */ | |
122 | #define SH7780_PCIMBR2 0x1F0 /* Memory Bank2 Register */ | |
123 | #define SH7780_PCIMBMR2 0x1F4 /* Memory Bank2 Mask Register */ | |
124 | #define SH7780_PCIIOBR 0x1F8 /* Bank Register */ | |
125 | #define SH7780_PCIIOBMR 0x1FC /* Bank Mask Register */ | |
126 | #define SH7780_PCICSCR0 0x210 /* Cache Snoop1 Cnt. Register */ | |
127 | #define SH7780_PCICSCR1 0x214 /* Cache Snoop2 Cnt. Register */ | |
128 | #define SH7780_PCICSAR0 0x218 /* Cache Snoop1 Addr. Register */ | |
129 | #define SH7780_PCICSAR1 0x21C /* Cache Snoop2 Addr. Register */ | |
130 | #define SH7780_PCIPDR 0x220 /* Port IO Data Register */ | |
131 | ||
132 | /* General Memory Config Addresses */ | |
133 | #define SH7780_CS0_BASE_ADDR 0x0 | |
134 | #define SH7780_MEM_REGION_SIZE 0x04000000 | |
135 | #define SH7780_CS1_BASE_ADDR (SH7780_CS0_BASE_ADDR + SH7780_MEM_REGION_SIZE) | |
136 | #define SH7780_CS2_BASE_ADDR (SH7780_CS1_BASE_ADDR + SH7780_MEM_REGION_SIZE) | |
137 | #define SH7780_CS3_BASE_ADDR (SH7780_CS2_BASE_ADDR + SH7780_MEM_REGION_SIZE) | |
138 | #define SH7780_CS4_BASE_ADDR (SH7780_CS3_BASE_ADDR + SH7780_MEM_REGION_SIZE) | |
139 | #define SH7780_CS5_BASE_ADDR (SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE) | |
140 | #define SH7780_CS6_BASE_ADDR (SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE) | |
141 | ||
142 | /* General PCI values */ | |
143 | #define SH7780_PCI_HOST_BRIDGE 0x6 | |
144 | ||
145 | /* Flags */ | |
146 | #define SH7780_PCIC_NO_RESET 0x0001 | |
147 | ||
148 | /* External functions defined per platform i.e. Big Sur, SE... (these could be routed | |
149 | * through the machine vectors... */ | |
150 | extern int pcibios_init_platform(void); | |
151 | extern int pcibios_map_platform_irq(u8 slot, u8 pin); | |
152 | ||
153 | struct sh7780_pci_address_space { | |
154 | unsigned long base; | |
155 | unsigned long size; | |
156 | }; | |
157 | ||
158 | struct sh7780_pci_address_map { | |
159 | struct sh7780_pci_address_space window0; | |
160 | struct sh7780_pci_address_space window1; | |
161 | unsigned long flags; | |
162 | }; | |
163 | ||
164 | /* arch/sh/drivers/pci/pci-sh7780.c */ | |
165 | extern int sh7780_pcic_init(struct sh7780_pci_address_map *map); | |
166 | ||
167 | #endif /* _PCI_SH7780_H_ */ | |
168 |