2 * This file is part of the coreboot project.
4 * Copyright (C) 2007-2008 coresystems GmbH
5 * Copyright (C) 2011 Google Inc.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__
22 #define __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__ 1
25 #define SANDYBRIDGE_MOBILE 0
26 #define SANDYBRIDGE_DESKTOP 1
27 #define SANDYBRIDGE_SERVER 2
29 /* Device ID for SandyBridge and IvyBridge */
30 #define BASE_REV_SNB 0x00
31 #define BASE_REV_IVB 0x50
32 #define BASE_REV_MASK 0x50
34 /* SandyBridge CPU stepping */
35 #define SNB_STEP_D0 (BASE_REV_SNB + 5) /* Also J0 */
36 #define SNB_STEP_D1 (BASE_REV_SNB + 6)
37 #define SNB_STEP_D2 (BASE_REV_SNB + 7) /* Also J1/Q0 */
39 /* IvyBridge CPU stepping */
40 #define IVB_STEP_A0 (BASE_REV_IVB + 0)
41 #define IVB_STEP_B0 (BASE_REV_IVB + 2)
42 #define IVB_STEP_C0 (BASE_REV_IVB + 4)
43 #define IVB_STEP_K0 (BASE_REV_IVB + 5)
44 #define IVB_STEP_D0 (BASE_REV_IVB + 6)
46 /* Intel Enhanced Debug region must be 4MB */
47 #define IED_SIZE 0x400000
49 /* Northbridge BARs */
50 #define DEFAULT_PCIEXBAR CONFIG_MMCONF_BASE_ADDRESS /* 4 KB per PCIe device */
51 #define DEFAULT_MCHBAR 0xfed10000 /* 16 KB */
52 #define DEFAULT_DMIBAR 0xfed18000 /* 4 KB */
53 #define DEFAULT_EPBAR 0xfed19000 /* 4 KB */
55 #include "../../../southbridge/intel/bd82x6x/pch.h"
57 /* Everything below this line is ignored in the DSDT */
60 /* Device 0:0.0 PCI configuration space (Host Bridge) */
68 #define GGC 0x50 /* GMCH Graphics Control */
70 #define DEVEN 0x54 /* Device Enable */
71 #define DEVEN_PEG60 (1 << 13)
72 #define DEVEN_IGD (1 << 4)
73 #define DEVEN_PEG10 (1 << 3)
74 #define DEVEN_PEG11 (1 << 2)
75 #define DEVEN_PEG12 (1 << 1)
76 #define DEVEN_HOST (1 << 0)
86 #define LAC 0x87 /* Legacy Access Control */
87 #define SMRAM 0x88 /* System Management RAM Control */
88 #define D_OPEN (1 << 6)
89 #define D_CLS (1 << 5)
90 #define D_LCK (1 << 4)
91 #define G_SMRAME (1 << 3)
92 #define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0))
95 #define TOUUD 0xa8 /* Top of Upper Usable DRAM */
96 #define TSEG 0xb8 /* TSEG base */
97 #define TOLUD 0xbc /* Top of Low Used Memory */
99 #define SKPAD 0xdc /* Scratchpad Data */
101 /* Device 0:1.0 PCI configuration space (PCI Express) */
103 #define BCTRL1 0x3e /* 16bit */
106 /* Device 0:2.0 PCI configuration space (Graphics Device) */
108 #define MSAC 0x62 /* Multi Size Aperture Control */
115 #define MCHBAR8(x) *((volatile u8 *)(DEFAULT_MCHBAR + x))
116 #define MCHBAR16(x) *((volatile u16 *)(DEFAULT_MCHBAR + x))
117 #define MCHBAR32(x) *((volatile u32 *)(DEFAULT_MCHBAR + x))
118 #define MCHBAR32_OR(x, or) MCHBAR32(x) = (MCHBAR32(x) | (or))
120 #define SSKPD 0x5d14 /* 16bit (scratchpad) */
121 #define BIOS_RESET_CPL 0x5da8 /* 8bit */
124 * EPBAR - Egress Port Root Complex Register Block
127 #define EPBAR8(x) *((volatile u8 *)(DEFAULT_EPBAR + x))
128 #define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + x))
129 #define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + x))
131 #define EPPVCCAP1 0x004 /* 32bit */
132 #define EPPVCCAP2 0x008 /* 32bit */
134 #define EPVC0RCAP 0x010 /* 32bit */
135 #define EPVC0RCTL 0x014 /* 32bit */
136 #define EPVC0RSTS 0x01a /* 16bit */
138 #define EPVC1RCAP 0x01c /* 32bit */
139 #define EPVC1RCTL 0x020 /* 32bit */
140 #define EPVC1RSTS 0x026 /* 16bit */
142 #define EPVC1MTS 0x028 /* 32bit */
143 #define EPVC1IST 0x038 /* 64bit */
145 #define EPESD 0x044 /* 32bit */
147 #define EPLE1D 0x050 /* 32bit */
148 #define EPLE1A 0x058 /* 64bit */
149 #define EPLE2D 0x060 /* 32bit */
150 #define EPLE2A 0x068 /* 64bit */
152 #define PORTARB 0x100 /* 256bit */
158 #define DMIBAR8(x) *((volatile u8 *)(DEFAULT_DMIBAR + x))
159 #define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
160 #define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))
162 #define DMIVCECH 0x000 /* 32bit */
163 #define DMIPVCCAP1 0x004 /* 32bit */
164 #define DMIPVCCAP2 0x008 /* 32bit */
166 #define DMIPVCCCTL 0x00c /* 16bit */
168 #define DMIVC0RCAP 0x010 /* 32bit */
169 #define DMIVC0RCTL0 0x014 /* 32bit */
170 #define DMIVC0RSTS 0x01a /* 16bit */
172 #define DMIVC1RCAP 0x01c /* 32bit */
173 #define DMIVC1RCTL 0x020 /* 32bit */
174 #define DMIVC1RSTS 0x026 /* 16bit */
176 #define DMILE1D 0x050 /* 32bit */
177 #define DMILE1A 0x058 /* 64bit */
178 #define DMILE2D 0x060 /* 32bit */
179 #define DMILE2A 0x068 /* 64bit */
181 #define DMILCAP 0x084 /* 32bit */
182 #define DMILCTL 0x088 /* 16bit */
183 #define DMILSTS 0x08a /* 16bit */
185 #define DMICTL1 0x0f0 /* 32bit */
186 #define DMICTL2 0x0fc /* 32bit */
188 #define DMICC 0x208 /* 32bit */
190 #define DMIDRCCFG 0xeb4 /* 32bit */
192 #ifndef __ASSEMBLER__
193 static inline void barrier(void) { asm("" ::: "memory"); }
199 } __attribute__ ((packed));
201 #if CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE
202 #define PCI_DEVICE_ID_NB 0x0104
204 #if CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE
205 #define PCI_DEVICE_ID_NB 0x0154
209 void intel_sandybridge_finalize_smm(void);
211 int bridge_silicon_revision(void);
212 void sandybridge_early_initialization(int chipset_type);
213 void sandybridge_late_initialization(void);
215 /* debugging functions */
216 void print_pci_devices(void);
217 void dump_pci_device(unsigned dev);
218 void dump_pci_devices(void);
219 void dump_spd_registers(void);
220 void dump_mem(unsigned start, unsigned end);
221 #endif /* !__SMM__ */