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 "hw/isa/isa.h" 27 #include "hw/sysbus.h" 28 #include "hw/i386/pc.h" 29 #include "hw/isa/apm.h" 30 #include "hw/pci/pci.h" 31 #include "hw/pci/pcie_host.h" 32 #include "hw/acpi/acpi.h" 33 #include "hw/acpi/ich9.h" 34 #include "hw/pci-host/pam.h" 35 #include "hw/i386/intel_iommu.h" 36 37 #define TYPE_Q35_HOST_DEVICE "q35-pcihost" 38 #define Q35_HOST_DEVICE(obj) \ 39 OBJECT_CHECK(Q35PCIHost, (obj), TYPE_Q35_HOST_DEVICE) 40 41 #define TYPE_MCH_PCI_DEVICE "mch" 42 #define MCH_PCI_DEVICE(obj) \ 43 OBJECT_CHECK(MCHPCIState, (obj), TYPE_MCH_PCI_DEVICE) 44 45 typedef struct MCHPCIState { 46 /*< private >*/ 47 PCIDevice parent_obj; 48 /*< public >*/ 49 50 MemoryRegion *ram_memory; 51 MemoryRegion *pci_address_space; 52 MemoryRegion *system_memory; 53 MemoryRegion *address_space_io; 54 PAMMemoryRegion pam_regions[13]; 55 MemoryRegion smram_region, open_high_smram; 56 MemoryRegion smram, low_smram, high_smram; 57 MemoryRegion tseg_blackhole, tseg_window; 58 Range pci_hole; 59 uint64_t below_4g_mem_size; 60 uint64_t above_4g_mem_size; 61 uint64_t pci_hole64_size; 62 uint32_t short_root_bus; 63 uint16_t ext_tseg_mbytes; 64 } MCHPCIState; 65 66 typedef struct Q35PCIHost { 67 /*< private >*/ 68 PCIExpressHost parent_obj; 69 /*< public >*/ 70 71 bool pci_hole64_fix; 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 #define MCH_HOST_PROP_RAM_MEM "ram-mem" 83 #define MCH_HOST_PROP_PCI_MEM "pci-mem" 84 #define MCH_HOST_PROP_SYSTEM_MEM "system-mem" 85 #define MCH_HOST_PROP_IO_MEM "io-mem" 86 87 /* PCI configuration */ 88 #define MCH_HOST_BRIDGE "MCH" 89 90 #define MCH_HOST_BRIDGE_CONFIG_ADDR 0xcf8 91 #define MCH_HOST_BRIDGE_CONFIG_DATA 0xcfc 92 93 /* D0:F0 configuration space */ 94 #define MCH_HOST_BRIDGE_REVISION_DEFAULT 0x0 95 96 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES 0x50 97 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_SIZE 2 98 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_QUERY 0xffff 99 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_MAX 0xfff 100 101 #define MCH_HOST_BRIDGE_PCIEXBAR 0x60 /* 64bit register */ 102 #define MCH_HOST_BRIDGE_PCIEXBAR_SIZE 8 /* 64bit register */ 103 #define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT 0xb0000000 104 #define MCH_HOST_BRIDGE_PCIEXBAR_MAX (0x10000000) /* 256M */ 105 #define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK Q35_MASK(64, 35, 28) 106 #define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK ((uint64_t)(1 << 26)) 107 #define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK ((uint64_t)(1 << 25)) 108 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK ((uint64_t)(0x3 << 1)) 109 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M ((uint64_t)(0x0 << 1)) 110 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M ((uint64_t)(0x1 << 1)) 111 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M ((uint64_t)(0x2 << 1)) 112 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD ((uint64_t)(0x3 << 1)) 113 #define MCH_HOST_BRIDGE_PCIEXBAREN ((uint64_t)1) 114 115 #define MCH_HOST_BRIDGE_PAM_NB 7 116 #define MCH_HOST_BRIDGE_PAM_SIZE 7 117 #define MCH_HOST_BRIDGE_PAM0 0x90 118 #define MCH_HOST_BRIDGE_PAM_BIOS_AREA 0xf0000 119 #define MCH_HOST_BRIDGE_PAM_AREA_SIZE 0x10000 /* 16KB */ 120 #define MCH_HOST_BRIDGE_PAM1 0x91 121 #define MCH_HOST_BRIDGE_PAM_EXPAN_AREA 0xc0000 122 #define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE 0x04000 123 #define MCH_HOST_BRIDGE_PAM2 0x92 124 #define MCH_HOST_BRIDGE_PAM3 0x93 125 #define MCH_HOST_BRIDGE_PAM4 0x94 126 #define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA 0xe0000 127 #define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE 0x04000 128 #define MCH_HOST_BRIDGE_PAM5 0x95 129 #define MCH_HOST_BRIDGE_PAM6 0x96 130 #define MCH_HOST_BRIDGE_PAM_WE_HI ((uint8_t)(0x2 << 4)) 131 #define MCH_HOST_BRIDGE_PAM_RE_HI ((uint8_t)(0x1 << 4)) 132 #define MCH_HOST_BRIDGE_PAM_HI_MASK ((uint8_t)(0x3 << 4)) 133 #define MCH_HOST_BRIDGE_PAM_WE_LO ((uint8_t)0x2) 134 #define MCH_HOST_BRIDGE_PAM_RE_LO ((uint8_t)0x1) 135 #define MCH_HOST_BRIDGE_PAM_LO_MASK ((uint8_t)0x3) 136 #define MCH_HOST_BRIDGE_PAM_WE ((uint8_t)0x2) 137 #define MCH_HOST_BRIDGE_PAM_RE ((uint8_t)0x1) 138 #define MCH_HOST_BRIDGE_PAM_MASK ((uint8_t)0x3) 139 140 #define MCH_HOST_BRIDGE_SMRAM 0x9d 141 #define MCH_HOST_BRIDGE_SMRAM_SIZE 2 142 #define MCH_HOST_BRIDGE_SMRAM_D_OPEN ((uint8_t)(1 << 6)) 143 #define MCH_HOST_BRIDGE_SMRAM_D_CLS ((uint8_t)(1 << 5)) 144 #define MCH_HOST_BRIDGE_SMRAM_D_LCK ((uint8_t)(1 << 4)) 145 #define MCH_HOST_BRIDGE_SMRAM_G_SMRAME ((uint8_t)(1 << 3)) 146 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK ((uint8_t)0x7) 147 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG ((uint8_t)0x2) /* hardwired to b010 */ 148 #define MCH_HOST_BRIDGE_SMRAM_C_BASE 0xa0000 149 #define MCH_HOST_BRIDGE_SMRAM_C_END 0xc0000 150 #define MCH_HOST_BRIDGE_SMRAM_C_SIZE 0x20000 151 #define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END 0x100000 152 #define MCH_HOST_BRIDGE_SMRAM_DEFAULT \ 153 MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG 154 #define MCH_HOST_BRIDGE_SMRAM_WMASK \ 155 (MCH_HOST_BRIDGE_SMRAM_D_OPEN | \ 156 MCH_HOST_BRIDGE_SMRAM_D_CLS | \ 157 MCH_HOST_BRIDGE_SMRAM_D_LCK | \ 158 MCH_HOST_BRIDGE_SMRAM_G_SMRAME) 159 #define MCH_HOST_BRIDGE_SMRAM_WMASK_LCK \ 160 MCH_HOST_BRIDGE_SMRAM_D_CLS 161 162 #define MCH_HOST_BRIDGE_ESMRAMC 0x9e 163 #define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME ((uint8_t)(1 << 7)) 164 #define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR ((uint8_t)(1 << 6)) 165 #define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE ((uint8_t)(1 << 5)) 166 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L1 ((uint8_t)(1 << 4)) 167 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L2 ((uint8_t)(1 << 3)) 168 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK ((uint8_t)(0x3 << 1)) 169 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB ((uint8_t)(0x0 << 1)) 170 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB ((uint8_t)(0x1 << 1)) 171 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB ((uint8_t)(0x2 << 1)) 172 #define MCH_HOST_BRIDGE_ESMRAMC_T_EN ((uint8_t)1) 173 #define MCH_HOST_BRIDGE_ESMRAMC_DEFAULT \ 174 (MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE | \ 175 MCH_HOST_BRIDGE_ESMRAMC_SM_L1 | \ 176 MCH_HOST_BRIDGE_ESMRAMC_SM_L2) 177 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK \ 178 (MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME | \ 179 MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK | \ 180 MCH_HOST_BRIDGE_ESMRAMC_T_EN) 181 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK_LCK 0 182 183 /* D1:F0 PCIE* port*/ 184 #define MCH_PCIE_DEV 1 185 #define MCH_PCIE_FUNC 0 186 187 uint64_t mch_mcfg_base(void); 188 189 /* 190 * Arbitrary but unique BNF number for IOAPIC device. 191 * 192 * TODO: make sure there would have no conflict with real PCI bus 193 */ 194 #define Q35_PSEUDO_BUS_PLATFORM (0xff) 195 #define Q35_PSEUDO_DEVFN_IOAPIC (0x00) 196 197 #endif /* HW_Q35_H */ 198