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hw/isa/lpc_ich9: add broadcast SMI feature
[qemu.git] / include / hw / i386 / ich9.h
1 #ifndef HW_ICH9_H
2 #define HW_ICH9_H
3
4 #include "hw/hw.h"
5 #include "hw/isa/isa.h"
6 #include "hw/sysbus.h"
7 #include "hw/i386/pc.h"
8 #include "hw/isa/apm.h"
9 #include "hw/i386/ioapic.h"
10 #include "hw/pci/pci.h"
11 #include "hw/pci/pcie_host.h"
12 #include "hw/pci/pci_bridge.h"
13 #include "hw/acpi/acpi.h"
14 #include "hw/acpi/ich9.h"
15 #include "hw/pci/pci_bus.h"
16
17 void ich9_lpc_set_irq(void *opaque, int irq_num, int level);
18 int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx);
19 PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin);
20 void ich9_lpc_pm_init(PCIDevice *pci_lpc, bool smm_enabled);
21 I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base);
22
23 void ich9_generate_smi(void);
24 void ich9_generate_nmi(void);
25
26 #define ICH9_CC_SIZE (16 * 1024) /* 16KB. Chipset configuration registers */
27
28 #define TYPE_ICH9_LPC_DEVICE "ICH9-LPC"
29 #define ICH9_LPC_DEVICE(obj) \
30      OBJECT_CHECK(ICH9LPCState, (obj), TYPE_ICH9_LPC_DEVICE)
31
32 typedef struct ICH9LPCState {
33     /* ICH9 LPC PCI to ISA bridge */
34     PCIDevice d;
35
36     /* (pci device, intx) -> pirq
37      * In real chipset case, the unused slots are never used
38      * as ICH9 supports only D25-D31 irq routing.
39      * On the other hand in qemu case, any slot/function can be populated
40      * via command line option.
41      * So fallback interrupt routing for any devices in any slots is necessary.
42     */
43     uint8_t irr[PCI_SLOT_MAX][PCI_NUM_PINS];
44
45     APMState apm;
46     ICH9LPCPMRegs pm;
47     uint32_t sci_level; /* track sci level */
48     uint8_t sci_gsi;
49
50     /* 2.24 Pin Straps */
51     struct {
52         bool spkr_hi;
53     } pin_strap;
54
55     /* 10.1 Chipset Configuration registers(Memory Space)
56      which is pointed by RCBA */
57     uint8_t chip_config[ICH9_CC_SIZE];
58
59     /*
60      * 13.7.5 RST_CNT---Reset Control Register (LPC I/F---D31:F0)
61      *
62      * register contents and IO memory region
63      */
64     uint8_t rst_cnt;
65     MemoryRegion rst_cnt_mem;
66
67     /* SMI feature negotiation via fw_cfg */
68     uint64_t smi_host_features;       /* guest-invisible, host endian */
69     uint8_t smi_host_features_le[8];  /* guest-visible, read-only, little
70                                        * endian uint64_t */
71     uint8_t smi_guest_features_le[8]; /* guest-visible, read-write, little
72                                        * endian uint64_t */
73     uint8_t smi_features_ok;          /* guest-visible, read-only; selecting it
74                                        * triggers feature lockdown */
75     uint64_t smi_negotiated_features; /* guest-invisible, host endian */
76
77     /* isa bus */
78     ISABus *isa_bus;
79     MemoryRegion rcrb_mem; /* root complex register block */
80     Notifier machine_ready;
81
82     qemu_irq gsi[GSI_NUM_PINS];
83 } ICH9LPCState;
84
85 Object *ich9_lpc_find(void);
86
87 #define Q35_MASK(bit, ms_bit, ls_bit) \
88 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
89
90 /* ICH9: Chipset Configuration Registers */
91 #define ICH9_CC_ADDR_MASK                       (ICH9_CC_SIZE - 1)
92
93 #define ICH9_CC
94 #define ICH9_CC_D28IP                           0x310C
95 #define ICH9_CC_D28IP_SHIFT                     4
96 #define ICH9_CC_D28IP_MASK                      0xf
97 #define ICH9_CC_D28IP_DEFAULT                   0x00214321
98 #define ICH9_CC_D31IR                           0x3140
99 #define ICH9_CC_D30IR                           0x3142
100 #define ICH9_CC_D29IR                           0x3144
101 #define ICH9_CC_D28IR                           0x3146
102 #define ICH9_CC_D27IR                           0x3148
103 #define ICH9_CC_D26IR                           0x314C
104 #define ICH9_CC_D25IR                           0x3150
105 #define ICH9_CC_DIR_DEFAULT                     0x3210
106 #define ICH9_CC_D30IR_DEFAULT                   0x0
107 #define ICH9_CC_DIR_SHIFT                       4
108 #define ICH9_CC_DIR_MASK                        0x7
109 #define ICH9_CC_OIC                             0x31FF
110 #define ICH9_CC_OIC_AEN                         0x1
111 #define ICH9_CC_GCS                             0x3410
112 #define ICH9_CC_GCS_DEFAULT                     0x00000020
113 #define ICH9_CC_GCS_NO_REBOOT                   (1 << 5)
114
115 /* D28:F[0-5] */
116 #define ICH9_PCIE_DEV                           28
117 #define ICH9_PCIE_FUNC_MAX                      6
118
119
120 /* D29:F0 USB UHCI Controller #1 */
121 #define ICH9_USB_UHCI1_DEV                      29
122 #define ICH9_USB_UHCI1_FUNC                     0
123
124 /* D30:F0 DMI-to-PCI bridge */
125 #define ICH9_D2P_BRIDGE                         "ICH9 D2P BRIDGE"
126 #define ICH9_D2P_BRIDGE_SAVEVM_VERSION          0
127
128 #define ICH9_D2P_BRIDGE_DEV                     30
129 #define ICH9_D2P_BRIDGE_FUNC                    0
130
131 #define ICH9_D2P_SECONDARY_DEFAULT              (256 - 8)
132
133 #define ICH9_D2P_A2_REVISION                    0x92
134
135 /* D31:F0 LPC Processor Interface */
136 #define ICH9_RST_CNT_IOPORT                     0xCF9
137
138 /* D31:F1 LPC controller */
139 #define ICH9_A2_LPC                             "ICH9 A2 LPC"
140 #define ICH9_A2_LPC_SAVEVM_VERSION              0
141
142 #define ICH9_LPC_DEV                            31
143 #define ICH9_LPC_FUNC                           0
144
145 #define ICH9_A2_LPC_REVISION                    0x2
146 #define ICH9_LPC_NB_PIRQS                       8       /* PCI A-H */
147
148 #define ICH9_LPC_PMBASE                         0x40
149 #define ICH9_LPC_PMBASE_BASE_ADDRESS_MASK       Q35_MASK(32, 15, 7)
150 #define ICH9_LPC_PMBASE_RTE                     0x1
151 #define ICH9_LPC_PMBASE_DEFAULT                 0x1
152 #define ICH9_LPC_ACPI_CTRL                      0x44
153 #define ICH9_LPC_ACPI_CTRL_ACPI_EN              0x80
154 #define ICH9_LPC_ACPI_CTRL_SCI_IRQ_SEL_MASK     Q35_MASK(8, 2, 0)
155 #define ICH9_LPC_ACPI_CTRL_9                    0x0
156 #define ICH9_LPC_ACPI_CTRL_10                   0x1
157 #define ICH9_LPC_ACPI_CTRL_11                   0x2
158 #define ICH9_LPC_ACPI_CTRL_20                   0x4
159 #define ICH9_LPC_ACPI_CTRL_21                   0x5
160 #define ICH9_LPC_ACPI_CTRL_DEFAULT              0x0
161
162 #define ICH9_LPC_PIRQA_ROUT                     0x60
163 #define ICH9_LPC_PIRQB_ROUT                     0x61
164 #define ICH9_LPC_PIRQC_ROUT                     0x62
165 #define ICH9_LPC_PIRQD_ROUT                     0x63
166
167 #define ICH9_LPC_PIRQE_ROUT                     0x68
168 #define ICH9_LPC_PIRQF_ROUT                     0x69
169 #define ICH9_LPC_PIRQG_ROUT                     0x6a
170 #define ICH9_LPC_PIRQH_ROUT                     0x6b
171
172 #define ICH9_LPC_PIRQ_ROUT_IRQEN                0x80
173 #define ICH9_LPC_PIRQ_ROUT_MASK                 Q35_MASK(8, 3, 0)
174 #define ICH9_LPC_PIRQ_ROUT_DEFAULT              0x80
175
176 #define ICH9_LPC_GEN_PMCON_1                    0xa0
177 #define ICH9_LPC_GEN_PMCON_1_SMI_LOCK           (1 << 4)
178 #define ICH9_LPC_GEN_PMCON_2                    0xa2
179 #define ICH9_LPC_GEN_PMCON_3                    0xa4
180 #define ICH9_LPC_GEN_PMCON_LOCK                 0xa6
181
182 #define ICH9_LPC_RCBA                           0xf0
183 #define ICH9_LPC_RCBA_BA_MASK                   Q35_MASK(32, 31, 14)
184 #define ICH9_LPC_RCBA_EN                        0x1
185 #define ICH9_LPC_RCBA_DEFAULT                   0x0
186
187 #define ICH9_LPC_PIC_NUM_PINS                   16
188 #define ICH9_LPC_IOAPIC_NUM_PINS                24
189
190 #define ICH9_GPIO_GSI "gsi"
191
192 /* D31:F2 SATA Controller #1 */
193 #define ICH9_SATA1_DEV                          31
194 #define ICH9_SATA1_FUNC                         2
195
196 /* D31:F0 power management I/O registers
197    offset from the address ICH9_LPC_PMBASE */
198
199 /* ICH9 LPC PM I/O registers are 128 ports and 128-aligned */
200 #define ICH9_PMIO_SIZE                          128
201 #define ICH9_PMIO_MASK                          (ICH9_PMIO_SIZE - 1)
202
203 #define ICH9_PMIO_PM1_STS                       0x00
204 #define ICH9_PMIO_PM1_EN                        0x02
205 #define ICH9_PMIO_PM1_CNT                       0x04
206 #define ICH9_PMIO_PM1_TMR                       0x08
207 #define ICH9_PMIO_GPE0_STS                      0x20
208 #define ICH9_PMIO_GPE0_EN                       0x28
209 #define ICH9_PMIO_GPE0_LEN                      16
210 #define ICH9_PMIO_SMI_EN                        0x30
211 #define ICH9_PMIO_SMI_EN_APMC_EN                (1 << 5)
212 #define ICH9_PMIO_SMI_EN_TCO_EN                 (1 << 13)
213 #define ICH9_PMIO_SMI_STS                       0x34
214 #define ICH9_PMIO_TCO_RLD                       0x60
215 #define ICH9_PMIO_TCO_LEN                       32
216
217 /* FADT ACPI_ENABLE/ACPI_DISABLE */
218 #define ICH9_APM_ACPI_ENABLE                    0x2
219 #define ICH9_APM_ACPI_DISABLE                   0x3
220
221
222 /* D31:F3 SMBus controller */
223 #define TYPE_ICH9_SMB_DEVICE "ICH9 SMB"
224
225 #define ICH9_A2_SMB_REVISION                    0x02
226 #define ICH9_SMB_PI                             0x00
227
228 #define ICH9_SMB_SMBMBAR0                       0x10
229 #define ICH9_SMB_SMBMBAR1                       0x14
230 #define ICH9_SMB_SMBM_BAR                       0
231 #define ICH9_SMB_SMBM_SIZE                      (1 << 8)
232 #define ICH9_SMB_SMB_BASE                       0x20
233 #define ICH9_SMB_SMB_BASE_BAR                   4
234 #define ICH9_SMB_SMB_BASE_SIZE                  (1 << 5)
235 #define ICH9_SMB_HOSTC                          0x40
236 #define ICH9_SMB_HOSTC_SSRESET                  ((uint8_t)(1 << 3))
237 #define ICH9_SMB_HOSTC_I2C_EN                   ((uint8_t)(1 << 2))
238 #define ICH9_SMB_HOSTC_SMB_SMI_EN               ((uint8_t)(1 << 1))
239 #define ICH9_SMB_HOSTC_HST_EN                   ((uint8_t)(1 << 0))
240
241 /* D31:F3 SMBus I/O and memory mapped I/O registers */
242 #define ICH9_SMB_DEV                            31
243 #define ICH9_SMB_FUNC                           3
244
245 #define ICH9_SMB_HST_STS                        0x00
246 #define ICH9_SMB_HST_CNT                        0x02
247 #define ICH9_SMB_HST_CMD                        0x03
248 #define ICH9_SMB_XMIT_SLVA                      0x04
249 #define ICH9_SMB_HST_D0                         0x05
250 #define ICH9_SMB_HST_D1                         0x06
251 #define ICH9_SMB_HOST_BLOCK_DB                  0x07
252
253 /* bit positions used in fw_cfg SMI feature negotiation */
254 #define ICH9_LPC_SMI_F_BROADCAST_BIT            0
255
256 #endif /* HW_ICH9_H */
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