5 #include "hw/isa/isa.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"
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);
23 void ich9_generate_smi(void);
24 void ich9_generate_nmi(void);
26 #define ICH9_CC_SIZE (16 * 1024) /* 16KB. Chipset configuration registers */
28 #define TYPE_ICH9_LPC_DEVICE "ICH9-LPC"
29 #define ICH9_LPC_DEVICE(obj) \
30 OBJECT_CHECK(ICH9LPCState, (obj), TYPE_ICH9_LPC_DEVICE)
32 typedef struct ICH9LPCState {
33 /* ICH9 LPC PCI to ISA bridge */
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.
43 uint8_t irr[PCI_SLOT_MAX][PCI_NUM_PINS];
47 uint32_t sci_level; /* track sci level */
55 /* 10.1 Chipset Configuration registers(Memory Space)
56 which is pointed by RCBA */
57 uint8_t chip_config[ICH9_CC_SIZE];
60 * 13.7.5 RST_CNT---Reset Control Register (LPC I/F---D31:F0)
62 * register contents and IO memory region
65 MemoryRegion rst_cnt_mem;
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
71 uint8_t smi_guest_features_le[8]; /* guest-visible, read-write, little
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 */
79 MemoryRegion rcrb_mem; /* root complex register block */
80 Notifier machine_ready;
82 qemu_irq gsi[GSI_NUM_PINS];
85 Object *ich9_lpc_find(void);
87 #define Q35_MASK(bit, ms_bit, ls_bit) \
88 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
90 /* ICH9: Chipset Configuration Registers */
91 #define ICH9_CC_ADDR_MASK (ICH9_CC_SIZE - 1)
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)
116 #define ICH9_PCIE_DEV 28
117 #define ICH9_PCIE_FUNC_MAX 6
120 /* D29:F0 USB UHCI Controller #1 */
121 #define ICH9_USB_UHCI1_DEV 29
122 #define ICH9_USB_UHCI1_FUNC 0
124 /* D30:F0 DMI-to-PCI bridge */
125 #define ICH9_D2P_BRIDGE "ICH9 D2P BRIDGE"
126 #define ICH9_D2P_BRIDGE_SAVEVM_VERSION 0
128 #define ICH9_D2P_BRIDGE_DEV 30
129 #define ICH9_D2P_BRIDGE_FUNC 0
131 #define ICH9_D2P_SECONDARY_DEFAULT (256 - 8)
133 #define ICH9_D2P_A2_REVISION 0x92
135 /* D31:F0 LPC Processor Interface */
136 #define ICH9_RST_CNT_IOPORT 0xCF9
138 /* D31:F1 LPC controller */
139 #define ICH9_A2_LPC "ICH9 A2 LPC"
140 #define ICH9_A2_LPC_SAVEVM_VERSION 0
142 #define ICH9_LPC_DEV 31
143 #define ICH9_LPC_FUNC 0
145 #define ICH9_A2_LPC_REVISION 0x2
146 #define ICH9_LPC_NB_PIRQS 8 /* PCI A-H */
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
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
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
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
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
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
187 #define ICH9_LPC_PIC_NUM_PINS 16
188 #define ICH9_LPC_IOAPIC_NUM_PINS 24
190 #define ICH9_GPIO_GSI "gsi"
192 /* D31:F2 SATA Controller #1 */
193 #define ICH9_SATA1_DEV 31
194 #define ICH9_SATA1_FUNC 2
196 /* D31:F0 power management I/O registers
197 offset from the address ICH9_LPC_PMBASE */
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)
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
217 /* FADT ACPI_ENABLE/ACPI_DISABLE */
218 #define ICH9_APM_ACPI_ENABLE 0x2
219 #define ICH9_APM_ACPI_DISABLE 0x3
222 /* D31:F3 SMBus controller */
223 #define TYPE_ICH9_SMB_DEVICE "ICH9 SMB"
225 #define ICH9_A2_SMB_REVISION 0x02
226 #define ICH9_SMB_PI 0x00
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))
241 /* D31:F3 SMBus I/O and memory mapped I/O registers */
242 #define ICH9_SMB_DEV 31
243 #define ICH9_SMB_FUNC 3
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
253 /* bit positions used in fw_cfg SMI feature negotiation */
254 #define ICH9_LPC_SMI_F_BROADCAST_BIT 0
256 #endif /* HW_ICH9_H */