summaryrefslogtreecommitdiffstats
path: root/src/northbridge/intel/pineview/pineview.h
blob: df4232a759e14d47da06e088bdc292f7a0d6ef79 (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
/* This file is part of the coreboot project. */
/* SPDX-License-Identifier: GPL-2.0-or-later */

#ifndef NORTHBRIDGE_INTEL_PINEVIEW_H
#define NORTHBRIDGE_INTEL_PINEVIEW_H

#include <northbridge/intel/pineview/iomap.h>
#include <southbridge/intel/i82801gx/i82801gx.h>

#define BOOT_PATH_NORMAL	0
#define BOOT_PATH_RESET		1
#define BOOT_PATH_RESUME	2

#define SYSINFO_DIMM_NOT_POPULATED	0x00
#define SYSINFO_DIMM_X16SS		0x01
#define SYSINFO_DIMM_X16DS		0x02
#define SYSINFO_DIMM_X8DS		0x05
#define SYSINFO_DIMM_X8DDS		0x06

/* Device 0:0.0 PCI configuration space (Host Bridge) */
#define HOST_BRIDGE	PCI_DEV(0, 0, 0)

#define EPBAR		0x40
#define MCHBAR		0x48
#define PCIEXBAR	0x60
#define DMIBAR		0x68
#define PMIOBAR		0x78

#define GGC		0x52	/* GMCH Graphics Control */

#define DEVEN		0x54	/* Device Enable */
#define  DEVEN_D0F0 (1 << 0)
#define  DEVEN_D1F0 (1 << 1)
#define  DEVEN_D2F0 (1 << 3)
#define  DEVEN_D2F1 (1 << 4)

#ifndef BOARD_DEVEN
#define BOARD_DEVEN ( DEVEN_D0F0 | DEVEN_D2F0 | DEVEN_D2F1 )
#endif /* BOARD_DEVEN */

#define PAM0		0x90
#define PAM1		0x91
#define PAM2		0x92
#define PAM3		0x93
#define PAM4		0x94
#define PAM5		0x95
#define PAM6		0x96

#define LAC		0x97	/* Legacy Access Control */
#define REMAPBASE	0x98
#define REMAPLIMIT	0x9a
#define SMRAM		0x9d	/* System Management RAM Control */
#define ESMRAMC		0x9e	/* Extended System Management RAM Control */

#define TOM		0xa0
#define TOUUD		0xa2
#define GBSM		0xa4
#define BGSM		0xa8
#define TSEG		0xac
#define TOLUD		0xb0	/* Top of Low Used Memory */
#define ERRSTS		0xc8
#define ERRCMD		0xca
#define SMICMD		0xcc
#define SCICMD		0xce
#define CGDIS		0xd8
#define SKPAD		0xdc	/* Scratchpad Data */
#define CAPID0		0xe0
#define DEV0T		0xf0
#define MSLCK		0xf4
#define MID0		0xf8
#define DEBUP0		0xfc

/* Device 0:1.0 PCI configuration space (PCI Express) */

#define PEGSTS		0x214	/* 32 bits */

/* Device 0:2.0 PCI configuration space (Integrated Graphics Device) */
#define GMCH_IGD	PCI_DEV(0, 2, 0)

#define GMADR		0x18
#define GTTADR		0x1c
#define BSM		0x5c

#define GPIO32(x) *((volatile u32 *)(DEFAULT_GPIOBASE + x))

/*
 * MCHBAR
 */

#define MCHBAR8(x)  (*((volatile u8  *)(DEFAULT_MCHBAR + (x))))
#define MCHBAR16(x) (*((volatile u16 *)(DEFAULT_MCHBAR + (x))))
#define MCHBAR32(x) (*((volatile u32 *)(DEFAULT_MCHBAR +  x)))	/* FIXME: causes changes */
#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
#define MCHBAR8_OR(x,   or)  (MCHBAR8(x)  = MCHBAR8(x)  | (or))
#define MCHBAR16_OR(x,  or)  (MCHBAR16(x) = MCHBAR16(x) | (or))
#define MCHBAR32_OR(x,  or)  (MCHBAR32(x) = MCHBAR32(x) | (or))
#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))

/* As there are many registers, define them on a separate file */

#include "mchbar_regs.h"

/*
 * EPBAR - Egress Port Root Complex Register Block
 */

#define EPBAR8(x)  *((volatile u8  *)(DEFAULT_EPBAR + x))
#define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + x))
#define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + x))

/*
 * DMIBAR
 */

#define DMIBAR8(x)  *((volatile u8  *)(DEFAULT_DMIBAR + x))
#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))

enum fsb_clk {
	FSB_CLOCK_667MHz = 0,
	FSB_CLOCK_800MHz = 1,
};

enum mem_clk {
	MEM_CLOCK_667MHz = 0,
	MEM_CLOCK_800MHz = 1,
};

enum ddr {
	DDR2 = 2,
	DDR3 = 3,
};

enum chip_width { /* as in DDR3 spd */
	CHIP_WIDTH_x4	= 0,
	CHIP_WIDTH_x8	= 1,
	CHIP_WIDTH_x16	= 2,
	CHIP_WIDTH_x32	= 3,
};

enum chip_cap { /* as in DDR3 spd */
	CHIP_CAP_256M	= 0,
	CHIP_CAP_512M	= 1,
	CHIP_CAP_1G	= 2,
	CHIP_CAP_2G	= 3,
	CHIP_CAP_4G	= 4,
	CHIP_CAP_8G	= 5,
	CHIP_CAP_16G	= 6,
};

struct timings {
	unsigned int	CAS;
	enum fsb_clk	fsb_clock;
	enum mem_clk	mem_clock;
	unsigned int	tRAS;
	unsigned int	tRP;
	unsigned int	tRCD;
	unsigned int	tWR;
	unsigned int	tRFC;
	unsigned int	tWTR;
	unsigned int	tRRD;
	unsigned int	tRTP;
};

struct dimminfo {
	unsigned int	card_type; /* 0x0: unpopulated,
				      0xa - 0xf: raw card type A - F */
	u8		type;
	enum chip_width	width;
	enum chip_cap	chip_capacity;
	unsigned int	page_size; /* of whole DIMM in Bytes (4096 or 8192) */
	unsigned int	sides;
	unsigned int	banks;
	unsigned int	ranks;
	unsigned int	rows;
	unsigned int	cols;
	unsigned int	cas_latencies;
	unsigned int	tAAmin;
	unsigned int	tCKmin;
	unsigned int	tWR;
	unsigned int	tRP;
	unsigned int	tRCD;
	unsigned int	tRAS;
	unsigned int	rank_capacity_mb; /* per rank in Megabytes */
	u8		spd_data[256];
};

struct pllparam {
	u8 kcoarse[2][72];
	u8 pi[2][72];
	u8 dben[2][72];
	u8 dbsel[2][72];
	u8 clkdelay[2][72];
};

struct sysinfo {
	u8 maxpi;
	u8 pioffset;
	u8 pi[8];
	u16 coarsectrl;
	u16 coarsedelay;
	u16 mediumphase;
	u16 readptrdelay;

	int		txt_enabled;
	int		cores;
	int		boot_path;
	int		max_ddr2_mhz;
	int		max_ddr3_mt;
	int		max_fsb_mhz;
	int		max_render_mhz;
	int		enable_igd;
	int		enable_peg;
	u16		ggc;

	int		dimm_config[2];
	int		dimms_per_ch;
	int		spd_type;
	int		channel_capacity[2];
	struct timings	selected_timings;
	struct dimminfo	dimms[4];
	u8		spd_map[4];

	u8 nodll;
	u8 async;
	u8 dt0mode;
	u8 mvco4x;		/* 0 (8x) or 1 (4x) */
};

void pineview_early_init(void);
u32 decode_igd_memory_size(const u32 gms);
u32 decode_igd_gtt_size(const u32 gsm);
u8 decode_pciebar(u32 *const base, u32 *const len);

/* Mainboard romstage callback functions */
void get_mb_spd_addrmap(u8 *spd_addr_map);
void mb_pirq_setup(void); /* optional */

struct acpi_rsdp;
unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp);

#endif /* NORTHBRIDGE_INTEL_PINEVIEW_H */