summaryrefslogtreecommitdiff
path: root/sys/src/9/kw/io.h
blob: e76f6faef21dd05c87a774c914896f6a983f4d44 (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
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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
enum {
	BusCBUS		= 0,		/* Corollary CBUS */
	BusCBUSII,			/* Corollary CBUS II */
	BusEISA,			/* Extended ISA */
	BusFUTURE,			/* IEEE Futurebus */
	BusINTERN,			/* Internal bus */
	BusISA,				/* Industry Standard Architecture */
	BusMBI,				/* Multibus I */
	BusMBII,			/* Multibus II */
	BusMCA,				/* Micro Channel Architecture */
	BusMPI,				/* MPI */
	BusMPSA,			/* MPSA */
	BusNUBUS,			/* Apple Macintosh NuBus */
	BusPCI,				/* Peripheral Component Interconnect */
	BusPCMCIA,			/* PC Memory Card International Association */
	BusTC,				/* DEC TurboChannel */
	BusVL,				/* VESA Local bus */
	BusVME,				/* VMEbus */
	BusXPRESS,			/* Express System Bus */
	BUSUNKNOWN = -1
};

#define MKBUS(t,b,d,f)	(((t)<<24)|(((b)&0xFF)<<16)|(((d)&0x1F)<<11)|(((f)&0x07)<<8))
#define BUSFNO(tbdf)	(((tbdf)>>8)&0x07)
#define BUSDNO(tbdf)	(((tbdf)>>11)&0x1F)
#define BUSBNO(tbdf)	(((tbdf)>>16)&0xFF)
#define BUSTYPE(tbdf)	((tbdf)>>24)
#define BUSBDF(tbdf)	((tbdf)&0x00FFFF00)

#define PCIWINDOW	0
#define PCIWADDR(va)	(PADDR(va)+PCIWINDOW)

/*
 * Kirkwood stuff
 */

enum {
	AddrEfuse	= PHYSIO+0x1008c,
	Addrpci		= PHYSIO+0x40000,	/* for registers below */
	Addrpcibase	= PHYSIO+0x41800,	/* for registers below */
	AddrMpp		= PHYSIO+0x10000,
	AddrSdio	= PHYSIO+0x90000,
};

enum {
	Socrevz0,
	Socreva0 = 2,
	Socreva1,
};

enum {
	/* registers; if we actually use these, change to soc.pci(base)->reg */
	PciBAR0		= Addrpcibase + 4,	/* base address */
	PciBAR1		= Addrpcibase + 8,

	PciCP		= Addrpci + 0x64,	/* capabilities pointer */

	PciINTL		= Addrpci + 0x3c,	/* interrupt line */
	PciINTP		= PciINTL + 1,	/* interrupt pin */
};

/*
 * interrupt stuff
 */

enum {
	Irqlo, Irqhi, Irqbridge,
};

enum {
	/* main interrupt cause low register bit #s (LE) */
	IRQ0hisum,		/* summary of main intr high cause reg */
	IRQ0bridge,
	IRQ0h2cdoorbell,
	IRQ0c2hdoorbell,
	_IRQ0reserved0,
	IRQ0xor0chan0,
	IRQ0xor0chan1,
	IRQ0xor1chan0,
	IRQ0xor1chan1,
	IRQ0pex0int,		/* pex = pci-express */
	_IRQ0reserved1,
	IRQ0gbe0sum,
	IRQ0gbe0rx,
	IRQ0gbe0tx,
	IRQ0gbe0misc,
	IRQ0gbe1sum,
	IRQ0gbe1rx,
	IRQ0gbe1tx,
	IRQ0gbe1misc,
	IRQ0usb0,
	_IRQ0reserved2,
	IRQ0sata,
	IRQ0crypto,
	IRQ0spi,
	IRQ0audio,
	_IRQ0reserved3,
	IRQ0ts0,
	_IRQ0reserved4,
	IRQ0sdio,
	IRQ0twsi,
	IRQ0avb,
	IRQ0tdm,

	/* main interrupt cause high register bit #s (LE) */
	_IRQ1reserved0 = 0,
	IRQ1uart0,
	IRQ1uart1,
	IRQ1gpiolo0,
	IRQ1gpiolo1,
	IRQ1gpiolo2,
	IRQ1gpiolo3,
	IRQ1gpiohi0,
	IRQ1gpiohi1,
	IRQ1gpiohi2,
	IRQ1gpiohi3,
	IRQ1xor0err,
	IRQ1xor1err,
	IRQ1pex0err,
	_IRQ1reserved1,
	IRQ1gbe0err,
	IRQ1gbe1err,
	IRQ1usberr,
	IRQ1cryptoerr,
	IRQ1audioerr,
	_IRQ1reserved2,
	_IRQ1reserved3,
	IRQ1rtc,

	/* bridged-interrupt causes */
	IRQcpuself = 0,
	IRQcputimer0,
	IRQcputimer1,
	IRQcputimerwd,
	IRQaccesserr,
};

/*
 * interrupt controller
 */
typedef struct IntrReg IntrReg;
struct IntrReg
{
	struct {
		ulong	irq;		/* main intr cause reg (ro) */
		ulong	irqmask;
		ulong	fiqmask;
		ulong	epmask;
	} lo, hi;
};

/*
 * CPU control & status (archkw.c and trap.c)
 */
typedef struct CpucsReg CpucsReg;
struct CpucsReg
{
	ulong	cpucfg;
	ulong	cpucsr;
	ulong	rstout;
	ulong	softreset;
	ulong	irq;		/* mbus(-l) bridge interrupt cause */
	ulong	irqmask;	/* ⋯ mask */
	ulong	mempm;		/* memory power mgmt. control */
	ulong	clockgate;	/* clock enable bits */
	ulong	biu;
	ulong	pad0;
	ulong	l2cfg;		/* turn l2 cache on or off, set coherency */
	ulong	pad1[2];
	ulong	l2tm0;
	ulong	l2tm1;
	ulong	pad2[2];
	ulong	l2pm;
	ulong	ram0;
	ulong	ram1;
	ulong	ram2;
	ulong	ram3;
};

enum {
	/* cpucfg bits */
	Cfgvecinithi	= 1<<1,	/* boot at 0xffff0000, not 0; default 1 */
	Cfgbigendreset	= 3<<1,	/* init. as big-endian at reset; default 0 */
	Cfgiprefetch	= 1<<16,	/* instruction prefetch enable */
	Cfgdprefetch	= 1<<17,	/* data prefetch enable */

	/* cpucsr bits */
	Reset		= 1<<1,		/* reset cpu core */

	/* rstout bits */
	RstoutPex	= 1<<0,		/* assert RSTOUTn at pci-e reset */
	RstoutWatchdog	= 1<<1,		/* assert RSTOUTn at watchdog timeout */
	RstoutSoft	= 1<<2,		/* assert RSTOUTn at sw reset */

	/* softreset bits */
	ResetSystem	= 1<<0,		/* assert RSTOUTn pin on SoftRstOutEn */

	/* l2cfg bits */
	L2ecc		= 1<<2,
	L2exists	= 1<<3,		/* l2 cache doesn't ignore cpu */
	L2writethru	= 1<<4,		/* always WT, else see PTE C & B */
};

enum {
	/* from 88f6281 func'l specs (MV-S104860-00), tables 2 & 3, chapter 2 */
	Targdram	= 0,		/* ddr sdram */
	Targflash	= 1,
	Targcesasram	= 3,		/* security accelerator sram */

	/* attributes */
	Attrcs0		= 0xe,		/* chip select 0 (low dram) */
	Attrcs1		= 0xd,		/* chip select 1 (high dram) */
	Attrbootrom	= 0x1d,
	Attrspi		= 0x1e,
	Attrnand	= 0x2f,

	Winenable	= 1<<0,
};

typedef struct Pciex Pciex;
struct Pciex {
	ushort	venid;			/* 0x11ab means Marvell */
	ushort	devid;			/* 0x6281 means 6281 */
	ulong	csr;
	ulong	revid;
	ulong	bistcache;		/* bist hdr type & cache-line size */
	ulong	bar0;
	ulong	bar0hi;
	ulong	bar1;
	ulong	bar1hi;
	ulong	bar2;
	ulong	bar2hi;
	ulong	_pad0;
	ushort	ssvenid;		/* 0x11ab means Marvell */
	ushort	ssdevid;		/* 0x11ab means Marvell */
	ulong	rombar;
	ulong	caplist;
	ulong	_pad1;
	ulong	intrpinline;		/* interrupt pin & line */
	ulong	pmcap;			/* power mgmt. capability header */
	ulong	pmcsr;			/* power mgmt. control & status */
	ulong	_pad2[2];
	ulong	msictl;			/* msi message control */
	ulong	msiaddr;
	ulong	msiaddrhi;
	ulong	msidata;
	ulong	cap;
	ulong	devcap;
	ulong	devcsr;
	ulong	linkcap;
	ulong	linkcsr;

	uchar	_pad[0x40100-0x40074];
	ulong	errrep;			/* advanced error report header */
	ulong	uncorrerr;		/* uncorrectable error status */
	ulong	uncorrerrmask;		/* uncorrectable error mask */
	ulong	uncorrerrsev;		/* uncorrectable error severity */
	ulong	correrr;		/* correctable error status */
	ulong	correrrmask;		/* correctable error mask */
	ulong	errcap;			/* advanced error capability & ctl. */
	ulong	hdrlog[4];		/* header log */
	/* continues with more rubbish at 0x41a00.  some day... */
};