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tx4927pcic.h
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1 /*
2  * include/asm-mips/txx9/tx4927pcic.h
3  * TX4927 PCI controller definitions.
4  *
5  * This file is subject to the terms and conditions of the GNU General Public
6  * License. See the file "COPYING" in the main directory of this archive
7  * for more details.
8  */
9 #ifndef __ASM_TXX9_TX4927PCIC_H
10 #define __ASM_TXX9_TX4927PCIC_H
11 
12 #include <linux/pci.h>
13 #include <linux/irqreturn.h>
14 
15 struct tx4927_pcic_reg {
16  u32 pciid;
17  u32 pcistatus;
18  u32 pciccrev;
19  u32 pcicfg1;
20  u32 p2gm0plbase; /* +10 */
21  u32 p2gm0pubase;
22  u32 p2gm1plbase;
23  u32 p2gm1pubase;
24  u32 p2gm2pbase; /* +20 */
25  u32 p2giopbase;
26  u32 unused0;
27  u32 pcisid;
28  u32 unused1; /* +30 */
29  u32 pcicapptr;
30  u32 unused2;
31  u32 pcicfg2;
32  u32 g2ptocnt; /* +40 */
33  u32 unused3[15];
34  u32 g2pstatus; /* +80 */
35  u32 g2pmask;
36  u32 pcisstatus;
37  u32 pcimask;
38  u32 p2gcfg; /* +90 */
39  u32 p2gstatus;
40  u32 p2gmask;
41  u32 p2gccmd;
42  u32 unused4[24]; /* +a0 */
43  u32 pbareqport; /* +100 */
44  u32 pbacfg;
45  u32 pbastatus;
46  u32 pbamask;
47  u32 pbabm; /* +110 */
48  u32 pbacreq;
49  u32 pbacgnt;
50  u32 pbacstate;
51  u64 g2pmgbase[3]; /* +120 */
52  u64 g2piogbase;
53  u32 g2pmmask[3]; /* +140 */
54  u32 g2piomask;
55  u64 g2pmpbase[3]; /* +150 */
56  u64 g2piopbase;
57  u32 pciccfg; /* +170 */
58  u32 pcicstatus;
59  u32 pcicmask;
60  u32 unused5;
61  u64 p2gmgbase[3]; /* +180 */
62  u64 p2giogbase;
63  u32 g2pcfgadrs; /* +1a0 */
64  u32 g2pcfgdata;
65  u32 unused6[8];
66  u32 g2pintack;
67  u32 g2pspc;
68  u32 unused7[12]; /* +1d0 */
69  u64 pdmca; /* +200 */
70  u64 pdmga;
71  u64 pdmpa;
72  u64 pdmctr;
73  u64 pdmcfg; /* +220 */
74  u64 pdmsts;
75 };
76 
77 /* bits for PCICMD */
78 /* see PCI_COMMAND_XXX in linux/pci_regs.h */
79 
80 /* bits for PCISTAT */
81 /* see PCI_STATUS_XXX in linux/pci_regs.h */
82 
83 /* bits for IOBA/MBA */
84 /* see PCI_BASE_ADDRESS_XXX in linux/pci_regs.h */
85 
86 /* bits for G2PSTATUS/G2PMASK */
87 #define TX4927_PCIC_G2PSTATUS_ALL 0x00000003
88 #define TX4927_PCIC_G2PSTATUS_TTOE 0x00000002
89 #define TX4927_PCIC_G2PSTATUS_RTOE 0x00000001
90 
91 /* bits for PCIMASK (see also PCI_STATUS_XXX in linux/pci_regs.h */
92 #define TX4927_PCIC_PCISTATUS_ALL 0x0000f900
93 
94 /* bits for PBACFG */
95 #define TX4927_PCIC_PBACFG_FIXPA 0x00000008
96 #define TX4927_PCIC_PBACFG_RPBA 0x00000004
97 #define TX4927_PCIC_PBACFG_PBAEN 0x00000002
98 #define TX4927_PCIC_PBACFG_BMCEN 0x00000001
99 
100 /* bits for PBASTATUS/PBAMASK */
101 #define TX4927_PCIC_PBASTATUS_ALL 0x00000001
102 #define TX4927_PCIC_PBASTATUS_BM 0x00000001
103 
104 /* bits for G2PMnGBASE */
105 #define TX4927_PCIC_G2PMnGBASE_BSDIS 0x0000002000000000ULL
106 #define TX4927_PCIC_G2PMnGBASE_ECHG 0x0000001000000000ULL
107 
108 /* bits for G2PIOGBASE */
109 #define TX4927_PCIC_G2PIOGBASE_BSDIS 0x0000002000000000ULL
110 #define TX4927_PCIC_G2PIOGBASE_ECHG 0x0000001000000000ULL
111 
112 /* bits for PCICSTATUS/PCICMASK */
113 #define TX4927_PCIC_PCICSTATUS_ALL 0x000007b8
114 #define TX4927_PCIC_PCICSTATUS_PME 0x00000400
115 #define TX4927_PCIC_PCICSTATUS_TLB 0x00000200
116 #define TX4927_PCIC_PCICSTATUS_NIB 0x00000100
117 #define TX4927_PCIC_PCICSTATUS_ZIB 0x00000080
118 #define TX4927_PCIC_PCICSTATUS_PERR 0x00000020
119 #define TX4927_PCIC_PCICSTATUS_SERR 0x00000010
120 #define TX4927_PCIC_PCICSTATUS_GBE 0x00000008
121 #define TX4927_PCIC_PCICSTATUS_IWB 0x00000002
122 #define TX4927_PCIC_PCICSTATUS_E2PDONE 0x00000001
123 
124 /* bits for PCICCFG */
125 #define TX4927_PCIC_PCICCFG_GBWC_MASK 0x0fff0000
126 #define TX4927_PCIC_PCICCFG_HRST 0x00000800
127 #define TX4927_PCIC_PCICCFG_SRST 0x00000400
128 #define TX4927_PCIC_PCICCFG_IRBER 0x00000200
129 #define TX4927_PCIC_PCICCFG_G2PMEN(ch) (0x00000100>>(ch))
130 #define TX4927_PCIC_PCICCFG_G2PM0EN 0x00000100
131 #define TX4927_PCIC_PCICCFG_G2PM1EN 0x00000080
132 #define TX4927_PCIC_PCICCFG_G2PM2EN 0x00000040
133 #define TX4927_PCIC_PCICCFG_G2PIOEN 0x00000020
134 #define TX4927_PCIC_PCICCFG_TCAR 0x00000010
135 #define TX4927_PCIC_PCICCFG_ICAEN 0x00000008
136 
137 /* bits for P2GMnGBASE */
138 #define TX4927_PCIC_P2GMnGBASE_TMEMEN 0x0000004000000000ULL
139 #define TX4927_PCIC_P2GMnGBASE_TBSDIS 0x0000002000000000ULL
140 #define TX4927_PCIC_P2GMnGBASE_TECHG 0x0000001000000000ULL
141 
142 /* bits for P2GIOGBASE */
143 #define TX4927_PCIC_P2GIOGBASE_TIOEN 0x0000004000000000ULL
144 #define TX4927_PCIC_P2GIOGBASE_TBSDIS 0x0000002000000000ULL
145 #define TX4927_PCIC_P2GIOGBASE_TECHG 0x0000001000000000ULL
146 
147 #define TX4927_PCIC_IDSEL_AD_TO_SLOT(ad) ((ad) - 11)
148 #define TX4927_PCIC_MAX_DEVNU TX4927_PCIC_IDSEL_AD_TO_SLOT(32)
149 
150 /* bits for PDMCFG */
151 #define TX4927_PCIC_PDMCFG_RSTFIFO 0x00200000
152 #define TX4927_PCIC_PDMCFG_EXFER 0x00100000
153 #define TX4927_PCIC_PDMCFG_REQDLY_MASK 0x00003800
154 #define TX4927_PCIC_PDMCFG_REQDLY_NONE (0 << 11)
155 #define TX4927_PCIC_PDMCFG_REQDLY_16 (1 << 11)
156 #define TX4927_PCIC_PDMCFG_REQDLY_32 (2 << 11)
157 #define TX4927_PCIC_PDMCFG_REQDLY_64 (3 << 11)
158 #define TX4927_PCIC_PDMCFG_REQDLY_128 (4 << 11)
159 #define TX4927_PCIC_PDMCFG_REQDLY_256 (5 << 11)
160 #define TX4927_PCIC_PDMCFG_REQDLY_512 (6 << 11)
161 #define TX4927_PCIC_PDMCFG_REQDLY_1024 (7 << 11)
162 #define TX4927_PCIC_PDMCFG_ERRIE 0x00000400
163 #define TX4927_PCIC_PDMCFG_NCCMPIE 0x00000200
164 #define TX4927_PCIC_PDMCFG_NTCMPIE 0x00000100
165 #define TX4927_PCIC_PDMCFG_CHNEN 0x00000080
166 #define TX4927_PCIC_PDMCFG_XFRACT 0x00000040
167 #define TX4927_PCIC_PDMCFG_BSWAP 0x00000020
168 #define TX4927_PCIC_PDMCFG_XFRSIZE_MASK 0x0000000c
169 #define TX4927_PCIC_PDMCFG_XFRSIZE_1DW 0x00000000
170 #define TX4927_PCIC_PDMCFG_XFRSIZE_1QW 0x00000004
171 #define TX4927_PCIC_PDMCFG_XFRSIZE_4QW 0x00000008
172 #define TX4927_PCIC_PDMCFG_XFRDIRC 0x00000002
173 #define TX4927_PCIC_PDMCFG_CHRST 0x00000001
174 
175 /* bits for PDMSTS */
176 #define TX4927_PCIC_PDMSTS_REQCNT_MASK 0x3f000000
177 #define TX4927_PCIC_PDMSTS_FIFOCNT_MASK 0x00f00000
178 #define TX4927_PCIC_PDMSTS_FIFOWP_MASK 0x000c0000
179 #define TX4927_PCIC_PDMSTS_FIFORP_MASK 0x00030000
180 #define TX4927_PCIC_PDMSTS_ERRINT 0x00000800
181 #define TX4927_PCIC_PDMSTS_DONEINT 0x00000400
182 #define TX4927_PCIC_PDMSTS_CHNEN 0x00000200
183 #define TX4927_PCIC_PDMSTS_XFRACT 0x00000100
184 #define TX4927_PCIC_PDMSTS_ACCMP 0x00000080
185 #define TX4927_PCIC_PDMSTS_NCCMP 0x00000040
186 #define TX4927_PCIC_PDMSTS_NTCMP 0x00000020
187 #define TX4927_PCIC_PDMSTS_CFGERR 0x00000008
188 #define TX4927_PCIC_PDMSTS_PCIERR 0x00000004
189 #define TX4927_PCIC_PDMSTS_CHNERR 0x00000002
190 #define TX4927_PCIC_PDMSTS_DATAERR 0x00000001
191 #define TX4927_PCIC_PDMSTS_ALL_CMP 0x000000e0
192 #define TX4927_PCIC_PDMSTS_ALL_ERR 0x0000000f
193 
194 struct tx4927_pcic_reg __iomem *get_tx4927_pcicptr(
195  struct pci_controller *channel);
196 void tx4927_pcic_setup(struct tx4927_pcic_reg __iomem *pcicptr,
197  struct pci_controller *channel, int extarb);
198 void tx4927_report_pcic_status(void);
199 char *tx4927_pcibios_setup(char *str);
200 void tx4927_dump_pcic_settings(void);
201 irqreturn_t tx4927_pcierr_interrupt(int irq, void *dev_id);
202 
203 #endif /* __ASM_TXX9_TX4927PCIC_H */
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