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 General Public License 19 * along with this program; if not, see <http://www.gnu.org/licenses/> 20 */ 21 22 #ifndef HW_Q35_H 23 #define HW_Q35_H 24 25 #include "hw/pci/pci_device.h" 26 #include "hw/pci/pcie_host.h" 27 #include "hw/pci-host/pam.h" 28 #include "qemu/units.h" 29 #include "qemu/range.h" 30 #include "qom/object.h" 31 32 #define TYPE_Q35_HOST_DEVICE "q35-pcihost" 33 OBJECT_DECLARE_SIMPLE_TYPE(Q35PCIHost, Q35_HOST_DEVICE) 34 35 #define TYPE_MCH_PCI_DEVICE "mch" 36 OBJECT_DECLARE_SIMPLE_TYPE(MCHPCIState, MCH_PCI_DEVICE) 37 38 struct MCHPCIState { 39 /*< private >*/ 40 PCIDevice parent_obj; 41 /*< public >*/ 42 43 MemoryRegion *ram_memory; 44 MemoryRegion *pci_address_space; 45 MemoryRegion *system_memory; 46 MemoryRegion *address_space_io; 47 PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT]; 48 MemoryRegion smram_region, open_high_smram; 49 MemoryRegion smram, low_smram, high_smram; 50 MemoryRegion tseg_blackhole, tseg_window; 51 MemoryRegion smbase_blackhole, smbase_window; 52 bool has_smram_at_smbase; 53 Range pci_hole; 54 uint64_t below_4g_mem_size; 55 uint64_t above_4g_mem_size; 56 uint64_t pci_hole64_size; 57 uint32_t short_root_bus; 58 uint16_t ext_tseg_mbytes; 59 }; 60 61 struct Q35PCIHost { 62 /*< private >*/ 63 PCIExpressHost parent_obj; 64 /*< public >*/ 65 66 bool pci_hole64_fix; 67 MCHPCIState mch; 68 }; 69 70 #define Q35_MASK(bit, ms_bit, ls_bit) \ 71 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1))) 72 73 /* 74 * gmch part 75 */ 76 77 #define MCH_HOST_PROP_RAM_MEM "ram-mem" 78 #define MCH_HOST_PROP_PCI_MEM "pci-mem" 79 #define MCH_HOST_PROP_SYSTEM_MEM "system-mem" 80 #define MCH_HOST_PROP_IO_MEM "io-mem" 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_EXT_TSEG_MBYTES 0x50 92 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_SIZE 2 93 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_QUERY 0xffff 94 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_MAX 0xfff 95 96 #define MCH_HOST_BRIDGE_SMBASE_SIZE (128 * KiB) 97 #define MCH_HOST_BRIDGE_SMBASE_ADDR 0x30000 98 #define MCH_HOST_BRIDGE_F_SMBASE 0x9c 99 #define MCH_HOST_BRIDGE_F_SMBASE_QUERY 0xff 100 #define MCH_HOST_BRIDGE_F_SMBASE_IN_RAM 0x01 101 #define MCH_HOST_BRIDGE_F_SMBASE_LCK 0x02 102 103 #define MCH_HOST_BRIDGE_PCIEXBAR 0x60 /* 64bit register */ 104 #define MCH_HOST_BRIDGE_PCIEXBAR_SIZE 8 /* 64bit register */ 105 #define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT 0xb0000000 106 #define MCH_HOST_BRIDGE_PCIEXBAR_MAX (0x10000000) /* 256M */ 107 #define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK Q35_MASK(64, 35, 28) 108 #define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK ((uint64_t)(1 << 26)) 109 #define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK ((uint64_t)(1 << 25)) 110 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK ((uint64_t)(0x3 << 1)) 111 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M ((uint64_t)(0x0 << 1)) 112 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M ((uint64_t)(0x1 << 1)) 113 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M ((uint64_t)(0x2 << 1)) 114 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD ((uint64_t)(0x3 << 1)) 115 #define MCH_HOST_BRIDGE_PCIEXBAREN ((uint64_t)1) 116 117 #define MCH_HOST_BRIDGE_PAM_NB 7 118 #define MCH_HOST_BRIDGE_PAM_SIZE 7 119 #define MCH_HOST_BRIDGE_PAM0 0x90 120 #define MCH_HOST_BRIDGE_PAM_BIOS_AREA 0xf0000 121 #define MCH_HOST_BRIDGE_PAM_AREA_SIZE 0x10000 /* 16KB */ 122 #define MCH_HOST_BRIDGE_PAM1 0x91 123 #define MCH_HOST_BRIDGE_PAM_EXPAN_AREA 0xc0000 124 #define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE 0x04000 125 #define MCH_HOST_BRIDGE_PAM2 0x92 126 #define MCH_HOST_BRIDGE_PAM3 0x93 127 #define MCH_HOST_BRIDGE_PAM4 0x94 128 #define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA 0xe0000 129 #define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE 0x04000 130 #define MCH_HOST_BRIDGE_PAM5 0x95 131 #define MCH_HOST_BRIDGE_PAM6 0x96 132 #define MCH_HOST_BRIDGE_PAM_WE_HI ((uint8_t)(0x2 << 4)) 133 #define MCH_HOST_BRIDGE_PAM_RE_HI ((uint8_t)(0x1 << 4)) 134 #define MCH_HOST_BRIDGE_PAM_HI_MASK ((uint8_t)(0x3 << 4)) 135 #define MCH_HOST_BRIDGE_PAM_WE_LO ((uint8_t)0x2) 136 #define MCH_HOST_BRIDGE_PAM_RE_LO ((uint8_t)0x1) 137 #define MCH_HOST_BRIDGE_PAM_LO_MASK ((uint8_t)0x3) 138 #define MCH_HOST_BRIDGE_PAM_WE ((uint8_t)0x2) 139 #define MCH_HOST_BRIDGE_PAM_RE ((uint8_t)0x1) 140 #define MCH_HOST_BRIDGE_PAM_MASK ((uint8_t)0x3) 141 142 #define MCH_HOST_BRIDGE_SMRAM 0x9d 143 #define MCH_HOST_BRIDGE_SMRAM_SIZE 2 144 #define MCH_HOST_BRIDGE_SMRAM_D_OPEN ((uint8_t)(1 << 6)) 145 #define MCH_HOST_BRIDGE_SMRAM_D_CLS ((uint8_t)(1 << 5)) 146 #define MCH_HOST_BRIDGE_SMRAM_D_LCK ((uint8_t)(1 << 4)) 147 #define MCH_HOST_BRIDGE_SMRAM_G_SMRAME ((uint8_t)(1 << 3)) 148 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK ((uint8_t)0x7) 149 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG ((uint8_t)0x2) /* hardwired to b010 */ 150 #define MCH_HOST_BRIDGE_SMRAM_C_BASE 0xa0000 151 #define MCH_HOST_BRIDGE_SMRAM_C_END 0xc0000 152 #define MCH_HOST_BRIDGE_SMRAM_C_SIZE 0x20000 153 #define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END 0x100000 154 #define MCH_HOST_BRIDGE_SMRAM_DEFAULT \ 155 MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG 156 #define MCH_HOST_BRIDGE_SMRAM_WMASK \ 157 (MCH_HOST_BRIDGE_SMRAM_D_OPEN | \ 158 MCH_HOST_BRIDGE_SMRAM_D_CLS | \ 159 MCH_HOST_BRIDGE_SMRAM_D_LCK | \ 160 MCH_HOST_BRIDGE_SMRAM_G_SMRAME) 161 #define MCH_HOST_BRIDGE_SMRAM_WMASK_LCK \ 162 MCH_HOST_BRIDGE_SMRAM_D_CLS 163 164 #define MCH_HOST_BRIDGE_ESMRAMC 0x9e 165 #define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME ((uint8_t)(1 << 7)) 166 #define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR ((uint8_t)(1 << 6)) 167 #define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE ((uint8_t)(1 << 5)) 168 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L1 ((uint8_t)(1 << 4)) 169 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L2 ((uint8_t)(1 << 3)) 170 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK ((uint8_t)(0x3 << 1)) 171 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB ((uint8_t)(0x0 << 1)) 172 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB ((uint8_t)(0x1 << 1)) 173 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB ((uint8_t)(0x2 << 1)) 174 #define MCH_HOST_BRIDGE_ESMRAMC_T_EN ((uint8_t)1) 175 #define MCH_HOST_BRIDGE_ESMRAMC_DEFAULT \ 176 (MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE | \ 177 MCH_HOST_BRIDGE_ESMRAMC_SM_L1 | \ 178 MCH_HOST_BRIDGE_ESMRAMC_SM_L2) 179 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK \ 180 (MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME | \ 181 MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK | \ 182 MCH_HOST_BRIDGE_ESMRAMC_T_EN) 183 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK_LCK 0 184 185 /* D1:F0 PCIE* port*/ 186 #define MCH_PCIE_DEV 1 187 #define MCH_PCIE_FUNC 0 188 189 uint64_t mch_mcfg_base(void); 190 191 /* 192 * Arbitrary but unique BNF number for IOAPIC device. 193 * 194 * TODO: make sure there would have no conflict with real PCI bus 195 */ 196 #define Q35_PSEUDO_BUS_PLATFORM (0xff) 197 #define Q35_PSEUDO_DEVFN_IOAPIC (0x00) 198 199 #endif /* HW_Q35_H */ 200