xref: /openbmc/qemu/include/hw/pci-host/q35.h (revision bfb27e60)
1 /*
2  * q35.h
3  *
4  * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
5  *                    VA Linux Systems Japan K.K.
6  * Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, see <http://www.gnu.org/licenses/>
20  */
21 
22 #ifndef HW_Q35_H
23 #define HW_Q35_H
24 
25 #include "hw/hw.h"
26 #include "qemu/range.h"
27 #include "hw/isa/isa.h"
28 #include "hw/sysbus.h"
29 #include "hw/i386/pc.h"
30 #include "hw/isa/apm.h"
31 #include "hw/pci/pci.h"
32 #include "hw/pci/pcie_host.h"
33 #include "hw/acpi/acpi.h"
34 #include "hw/acpi/ich9.h"
35 #include "hw/pci-host/pam.h"
36 #include "hw/i386/intel_iommu.h"
37 
38 #define TYPE_Q35_HOST_DEVICE "q35-pcihost"
39 #define Q35_HOST_DEVICE(obj) \
40      OBJECT_CHECK(Q35PCIHost, (obj), TYPE_Q35_HOST_DEVICE)
41 
42 #define TYPE_MCH_PCI_DEVICE "mch"
43 #define MCH_PCI_DEVICE(obj) \
44      OBJECT_CHECK(MCHPCIState, (obj), TYPE_MCH_PCI_DEVICE)
45 
46 typedef struct MCHPCIState {
47     /*< private >*/
48     PCIDevice parent_obj;
49     /*< public >*/
50 
51     MemoryRegion *ram_memory;
52     MemoryRegion *pci_address_space;
53     MemoryRegion *system_memory;
54     MemoryRegion *address_space_io;
55     PAMMemoryRegion pam_regions[13];
56     MemoryRegion smram_region;
57     PcPciInfo pci_info;
58     uint8_t smm_enabled;
59     ram_addr_t below_4g_mem_size;
60     ram_addr_t above_4g_mem_size;
61     uint64_t pci_hole64_size;
62     PcGuestInfo *guest_info;
63     uint32_t short_root_bus;
64     IntelIOMMUState *iommu;
65 } MCHPCIState;
66 
67 typedef struct Q35PCIHost {
68     /*< private >*/
69     PCIExpressHost parent_obj;
70     /*< public >*/
71 
72     MCHPCIState mch;
73 } Q35PCIHost;
74 
75 #define Q35_MASK(bit, ms_bit, ls_bit) \
76 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
77 
78 /*
79  * gmch part
80  */
81 
82 /* PCI configuration */
83 #define MCH_HOST_BRIDGE                        "MCH"
84 
85 #define MCH_HOST_BRIDGE_CONFIG_ADDR            0xcf8
86 #define MCH_HOST_BRIDGE_CONFIG_DATA            0xcfc
87 
88 /* D0:F0 configuration space */
89 #define MCH_HOST_BRIDGE_REVISION_DEFAULT       0x0
90 
91 #define MCH_HOST_BRIDGE_PCIEXBAR               0x60    /* 64bit register */
92 #define MCH_HOST_BRIDGE_PCIEXBAR_SIZE          8       /* 64bit register */
93 #define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT       0xb0000000
94 #define MCH_HOST_BRIDGE_PCIEXBAR_MAX           (0x10000000) /* 256M */
95 #define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK         Q35_MASK(64, 35, 28)
96 #define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK      ((uint64_t)(1 << 26))
97 #define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK       ((uint64_t)(1 << 25))
98 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK   ((uint64_t)(0x3 << 1))
99 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M   ((uint64_t)(0x0 << 1))
100 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M   ((uint64_t)(0x1 << 1))
101 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M    ((uint64_t)(0x2 << 1))
102 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD    ((uint64_t)(0x3 << 1))
103 #define MCH_HOST_BRIDGE_PCIEXBAREN             ((uint64_t)1)
104 
105 #define MCH_HOST_BRIDGE_PAM_NB                 7
106 #define MCH_HOST_BRIDGE_PAM_SIZE               7
107 #define MCH_HOST_BRIDGE_PAM0                   0x90
108 #define MCH_HOST_BRIDGE_PAM_BIOS_AREA          0xf0000
109 #define MCH_HOST_BRIDGE_PAM_AREA_SIZE          0x10000 /* 16KB */
110 #define MCH_HOST_BRIDGE_PAM1                   0x91
111 #define MCH_HOST_BRIDGE_PAM_EXPAN_AREA         0xc0000
112 #define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE         0x04000
113 #define MCH_HOST_BRIDGE_PAM2                   0x92
114 #define MCH_HOST_BRIDGE_PAM3                   0x93
115 #define MCH_HOST_BRIDGE_PAM4                   0x94
116 #define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA        0xe0000
117 #define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE        0x04000
118 #define MCH_HOST_BRIDGE_PAM5                   0x95
119 #define MCH_HOST_BRIDGE_PAM6                   0x96
120 #define MCH_HOST_BRIDGE_PAM_WE_HI              ((uint8_t)(0x2 << 4))
121 #define MCH_HOST_BRIDGE_PAM_RE_HI              ((uint8_t)(0x1 << 4))
122 #define MCH_HOST_BRIDGE_PAM_HI_MASK            ((uint8_t)(0x3 << 4))
123 #define MCH_HOST_BRIDGE_PAM_WE_LO              ((uint8_t)0x2)
124 #define MCH_HOST_BRIDGE_PAM_RE_LO              ((uint8_t)0x1)
125 #define MCH_HOST_BRIDGE_PAM_LO_MASK            ((uint8_t)0x3)
126 #define MCH_HOST_BRIDGE_PAM_WE                 ((uint8_t)0x2)
127 #define MCH_HOST_BRIDGE_PAM_RE                 ((uint8_t)0x1)
128 #define MCH_HOST_BRIDGE_PAM_MASK               ((uint8_t)0x3)
129 
130 #define MCH_HOST_BRIDGE_SMRAM                  0x9d
131 #define MCH_HOST_BRIDGE_SMRAM_SIZE             1
132 #define MCH_HOST_BRIDGE_SMRAM_DEFAULT          ((uint8_t)0x2)
133 #define MCH_HOST_BRIDGE_SMRAM_D_OPEN           ((uint8_t)(1 << 6))
134 #define MCH_HOST_BRIDGE_SMRAM_D_CLS            ((uint8_t)(1 << 5))
135 #define MCH_HOST_BRIDGE_SMRAM_D_LCK            ((uint8_t)(1 << 4))
136 #define MCH_HOST_BRIDGE_SMRAM_G_SMRAME         ((uint8_t)(1 << 3))
137 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK  ((uint8_t)0x7)
138 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG       ((uint8_t)0x2)  /* hardwired to b010 */
139 #define MCH_HOST_BRIDGE_SMRAM_C_BASE           0xa0000
140 #define MCH_HOST_BRIDGE_SMRAM_C_END            0xc0000
141 #define MCH_HOST_BRIDGE_SMRAM_C_SIZE           0x20000
142 #define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END  0x100000
143 
144 #define MCH_HOST_BRIDGE_ESMRAMC                0x9e
145 #define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME       ((uint8_t)(1 << 6))
146 #define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR        ((uint8_t)(1 << 5))
147 #define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE       ((uint8_t)(1 << 4))
148 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L1          ((uint8_t)(1 << 3))
149 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L2          ((uint8_t)(1 << 2))
150 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK   ((uint8_t)(0x3 << 1))
151 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB    ((uint8_t)(0x0 << 1))
152 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB    ((uint8_t)(0x1 << 1))
153 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB    ((uint8_t)(0x2 << 1))
154 #define MCH_HOST_BRIDGE_ESMRAMC_T_EN           ((uint8_t)1)
155 
156 /* D1:F0 PCIE* port*/
157 #define MCH_PCIE_DEV                           1
158 #define MCH_PCIE_FUNC                          0
159 
160 uint64_t mch_mcfg_base(void);
161 
162 #endif /* HW_Q35_H */
163