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>
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.
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.
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/>
26 #include "qemu/range.h"
28 #include "hw/sysbus.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pcie_host.h"
35 #include "hw/acpi_ich9.h"
38 #define TYPE_Q35_HOST_DEVICE "q35-pcihost"
39 #define Q35_HOST_DEVICE(obj) \
40 OBJECT_CHECK(Q35PCIHost, (obj), TYPE_Q35_HOST_DEVICE)
42 #define TYPE_MCH_PCI_DEVICE "mch"
43 #define MCH_PCI_DEVICE(obj) \
44 OBJECT_CHECK(MCHPCIState, (obj), TYPE_MCH_PCI_DEVICE)
46 typedef struct MCHPCIState
{
48 MemoryRegion
*ram_memory
;
49 MemoryRegion
*pci_address_space
;
50 MemoryRegion
*system_memory
;
51 MemoryRegion
*address_space_io
;
52 PAMMemoryRegion pam_regions
[13];
53 MemoryRegion smram_region
;
54 MemoryRegion pci_hole
;
55 MemoryRegion pci_hole_64bit
;
57 ram_addr_t below_4g_mem_size
;
58 ram_addr_t above_4g_mem_size
;
61 typedef struct Q35PCIHost
{
66 #define Q35_MASK(bit, ms_bit, ls_bit) \
67 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
73 /* PCI configuration */
74 #define MCH_HOST_BRIDGE "MCH"
76 #define MCH_HOST_BRIDGE_CONFIG_ADDR 0xcf8
77 #define MCH_HOST_BRIDGE_CONFIG_DATA 0xcfc
79 /* D0:F0 configuration space */
80 #define MCH_HOST_BRIDGE_REVISION_DEFUALT 0x0
82 #define MCH_HOST_BRIDGE_PCIEXBAR 0x60 /* 64bit register */
83 #define MCH_HOST_BRIDGE_PCIEXBAR_SIZE 8 /* 64bit register */
84 #define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT 0xb0000000
85 #define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK Q35_MASK(64, 35, 28)
86 #define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK ((uint64_t)(1 << 26))
87 #define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK ((uint64_t)(1 << 25))
88 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK ((uint64_t)(0x3 << 1))
89 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M ((uint64_t)(0x0 << 1))
90 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M ((uint64_t)(0x1 << 1))
91 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M ((uint64_t)(0x2 << 1))
92 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD ((uint64_t)(0x3 << 1))
93 #define MCH_HOST_BRIDGE_PCIEXBAREN ((uint64_t)1)
95 #define MCH_HOST_BRIDGE_PAM_NB 7
96 #define MCH_HOST_BRIDGE_PAM_SIZE 7
97 #define MCH_HOST_BRIDGE_PAM0 0x90
98 #define MCH_HOST_BRIDGE_PAM_BIOS_AREA 0xf0000
99 #define MCH_HOST_BRIDGE_PAM_AREA_SIZE 0x10000 /* 16KB */
100 #define MCH_HOST_BRIDGE_PAM1 0x91
101 #define MCH_HOST_BRIDGE_PAM_EXPAN_AREA 0xc0000
102 #define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE 0x04000
103 #define MCH_HOST_BRIDGE_PAM2 0x92
104 #define MCH_HOST_BRIDGE_PAM3 0x93
105 #define MCH_HOST_BRIDGE_PAM4 0x94
106 #define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA 0xe0000
107 #define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE 0x04000
108 #define MCH_HOST_BRIDGE_PAM5 0x95
109 #define MCH_HOST_BRIDGE_PAM6 0x96
110 #define MCH_HOST_BRIDGE_PAM_WE_HI ((uint8_t)(0x2 << 4))
111 #define MCH_HOST_BRIDGE_PAM_RE_HI ((uint8_t)(0x1 << 4))
112 #define MCH_HOST_BRIDGE_PAM_HI_MASK ((uint8_t)(0x3 << 4))
113 #define MCH_HOST_BRIDGE_PAM_WE_LO ((uint8_t)0x2)
114 #define MCH_HOST_BRIDGE_PAM_RE_LO ((uint8_t)0x1)
115 #define MCH_HOST_BRIDGE_PAM_LO_MASK ((uint8_t)0x3)
116 #define MCH_HOST_BRIDGE_PAM_WE ((uint8_t)0x2)
117 #define MCH_HOST_BRIDGE_PAM_RE ((uint8_t)0x1)
118 #define MCH_HOST_BRIDGE_PAM_MASK ((uint8_t)0x3)
120 #define MCH_HOST_BRDIGE_SMRAM 0x9d
121 #define MCH_HOST_BRDIGE_SMRAM_SIZE 1
122 #define MCH_HOST_BRIDGE_SMRAM_DEFAULT ((uint8_t)0x2)
123 #define MCH_HOST_BRIDGE_SMRAM_D_OPEN ((uint8_t)(1 << 6))
124 #define MCH_HOST_BRIDGE_SMRAM_D_CLS ((uint8_t)(1 << 5))
125 #define MCH_HOST_BRIDGE_SMRAM_D_LCK ((uint8_t)(1 << 4))
126 #define MCH_HOST_BRIDGE_SMRAM_G_SMRAME ((uint8_t)(1 << 3))
127 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK ((uint8_t)0x7)
128 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG ((uint8_t)0x2) /* hardwired to b010 */
129 #define MCH_HOST_BRIDGE_SMRAM_C_BASE 0xa0000
130 #define MCH_HOST_BRIDGE_SMRAM_C_END 0xc0000
131 #define MCH_HOST_BRIDGE_SMRAM_C_SIZE 0x20000
132 #define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END 0x100000
134 #define MCH_HOST_BRIDGE_ESMRAMC 0x9e
135 #define MCH_HOST_BRDIGE_ESMRAMC_H_SMRAME ((uint8_t)(1 << 6))
136 #define MCH_HOST_BRDIGE_ESMRAMC_E_SMERR ((uint8_t)(1 << 5))
137 #define MCH_HOST_BRDIGE_ESMRAMC_SM_CACHE ((uint8_t)(1 << 4))
138 #define MCH_HOST_BRDIGE_ESMRAMC_SM_L1 ((uint8_t)(1 << 3))
139 #define MCH_HOST_BRDIGE_ESMRAMC_SM_L2 ((uint8_t)(1 << 2))
140 #define MCH_HOST_BRDIGE_ESMRAMC_TSEG_SZ_MASK ((uint8_t)(0x3 << 1))
141 #define MCH_HOST_BRDIGE_ESMRAMC_TSEG_SZ_1MB ((uint8_t)(0x0 << 1))
142 #define MCH_HOST_BRDIGE_ESMRAMC_TSEG_SZ_2MB ((uint8_t)(0x1 << 1))
143 #define MCH_HOST_BRDIGE_ESMRAMC_TSEG_SZ_8MB ((uint8_t)(0x2 << 1))
144 #define MCH_HOST_BRDIGE_ESMRAMC_T_EN ((uint8_t)1)
146 /* D1:F0 PCIE* port*/
147 #define MCH_PCIE_DEV 1
148 #define MCH_PCIE_FUNC 0
150 #endif /* HW_Q35_H */