1 #ifndef HW_ICH9_H
2 #define HW_ICH9_H
3 
4 #include "hw/isa/isa.h"
5 #include "hw/sysbus.h"
6 #include "hw/i386/pc.h"
7 #include "hw/isa/apm.h"
8 #include "hw/pci/pci.h"
9 #include "hw/pci/pcie_host.h"
10 #include "hw/pci/pci_bridge.h"
11 #include "hw/acpi/acpi.h"
12 #include "hw/acpi/ich9.h"
13 #include "hw/pci/pci_bus.h"
14 #include "qom/object.h"
15 
16 void ich9_lpc_set_irq(void *opaque, int irq_num, int level);
17 int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx);
18 PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin);
19 void ich9_lpc_pm_init(PCIDevice *pci_lpc, bool smm_enabled);
20 I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base);
21 
22 void ich9_generate_smi(void);
23 
24 #define ICH9_CC_SIZE (16 * 1024) /* 16KB. Chipset configuration registers */
25 
26 #define TYPE_ICH9_LPC_DEVICE "ICH9-LPC"
27 OBJECT_DECLARE_SIMPLE_TYPE(ICH9LPCState, ICH9_LPC_DEVICE)
28 
29 struct ICH9LPCState {
30     /* ICH9 LPC PCI to ISA bridge */
31     PCIDevice d;
32 
33     /* (pci device, intx) -> pirq
34      * In real chipset case, the unused slots are never used
35      * as ICH9 supports only D25-D31 irq routing.
36      * On the other hand in qemu case, any slot/function can be populated
37      * via command line option.
38      * So fallback interrupt routing for any devices in any slots is necessary.
39     */
40     uint8_t irr[PCI_SLOT_MAX][PCI_NUM_PINS];
41 
42     APMState apm;
43     ICH9LPCPMRegs pm;
44     uint32_t sci_level; /* track sci level */
45     uint8_t sci_gsi;
46 
47     /* 2.24 Pin Straps */
48     struct {
49         bool spkr_hi;
50     } pin_strap;
51 
52     /* 10.1 Chipset Configuration registers(Memory Space)
53      which is pointed by RCBA */
54     uint8_t chip_config[ICH9_CC_SIZE];
55 
56     /*
57      * 13.7.5 RST_CNT---Reset Control Register (LPC I/F---D31:F0)
58      *
59      * register contents and IO memory region
60      */
61     uint8_t rst_cnt;
62     MemoryRegion rst_cnt_mem;
63 
64     /* SMI feature negotiation via fw_cfg */
65     uint64_t smi_host_features;       /* guest-invisible, host endian */
66     uint8_t smi_host_features_le[8];  /* guest-visible, read-only, little
67                                        * endian uint64_t */
68     uint8_t smi_guest_features_le[8]; /* guest-visible, read-write, little
69                                        * endian uint64_t */
70     uint8_t smi_features_ok;          /* guest-visible, read-only; selecting it
71                                        * triggers feature lockdown */
72     uint64_t smi_negotiated_features; /* guest-invisible, host endian */
73 
74     /* isa bus */
75     ISABus *isa_bus;
76     MemoryRegion rcrb_mem; /* root complex register block */
77     Notifier machine_ready;
78 
79     qemu_irq gsi[GSI_NUM_PINS];
80 };
81 
82 #define Q35_MASK(bit, ms_bit, ls_bit) \
83 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
84 
85 /* ICH9: Chipset Configuration Registers */
86 #define ICH9_CC_ADDR_MASK                       (ICH9_CC_SIZE - 1)
87 
88 #define ICH9_CC
89 #define ICH9_CC_D28IP                           0x310C
90 #define ICH9_CC_D28IP_SHIFT                     4
91 #define ICH9_CC_D28IP_MASK                      0xf
92 #define ICH9_CC_D28IP_DEFAULT                   0x00214321
93 #define ICH9_CC_D31IR                           0x3140
94 #define ICH9_CC_D30IR                           0x3142
95 #define ICH9_CC_D29IR                           0x3144
96 #define ICH9_CC_D28IR                           0x3146
97 #define ICH9_CC_D27IR                           0x3148
98 #define ICH9_CC_D26IR                           0x314C
99 #define ICH9_CC_D25IR                           0x3150
100 #define ICH9_CC_DIR_DEFAULT                     0x3210
101 #define ICH9_CC_D30IR_DEFAULT                   0x0
102 #define ICH9_CC_DIR_SHIFT                       4
103 #define ICH9_CC_DIR_MASK                        0x7
104 #define ICH9_CC_OIC                             0x31FF
105 #define ICH9_CC_OIC_AEN                         0x1
106 #define ICH9_CC_GCS                             0x3410
107 #define ICH9_CC_GCS_DEFAULT                     0x00000020
108 #define ICH9_CC_GCS_NO_REBOOT                   (1 << 5)
109 
110 /* D28:F[0-5] */
111 #define ICH9_PCIE_DEV                           28
112 #define ICH9_PCIE_FUNC_MAX                      6
113 
114 
115 /* D29:F0 USB UHCI Controller #1 */
116 #define ICH9_USB_UHCI1_DEV                      29
117 #define ICH9_USB_UHCI1_FUNC                     0
118 
119 /* D30:F0 DMI-to-PCI bridge */
120 #define ICH9_D2P_BRIDGE                         "ICH9 D2P BRIDGE"
121 #define ICH9_D2P_BRIDGE_SAVEVM_VERSION          0
122 
123 #define ICH9_D2P_BRIDGE_DEV                     30
124 #define ICH9_D2P_BRIDGE_FUNC                    0
125 
126 #define ICH9_D2P_SECONDARY_DEFAULT              (256 - 8)
127 
128 #define ICH9_D2P_A2_REVISION                    0x92
129 
130 /* D31:F0 LPC Processor Interface */
131 #define ICH9_RST_CNT_IOPORT                     0xCF9
132 
133 /* D31:F1 LPC controller */
134 #define ICH9_A2_LPC                             "ICH9 A2 LPC"
135 #define ICH9_A2_LPC_SAVEVM_VERSION              0
136 
137 #define ICH9_LPC_DEV                            31
138 #define ICH9_LPC_FUNC                           0
139 
140 #define ICH9_A2_LPC_REVISION                    0x2
141 #define ICH9_LPC_NB_PIRQS                       8       /* PCI A-H */
142 
143 #define ICH9_LPC_PMBASE                         0x40
144 #define ICH9_LPC_PMBASE_BASE_ADDRESS_MASK       Q35_MASK(32, 15, 7)
145 #define ICH9_LPC_PMBASE_RTE                     0x1
146 #define ICH9_LPC_PMBASE_DEFAULT                 0x1
147 
148 #define ICH9_LPC_ACPI_CTRL                      0x44
149 #define ICH9_LPC_ACPI_CTRL_ACPI_EN              0x80
150 #define ICH9_LPC_ACPI_CTRL_SCI_IRQ_SEL_MASK     Q35_MASK(8, 2, 0)
151 #define ICH9_LPC_ACPI_CTRL_9                    0x0
152 #define ICH9_LPC_ACPI_CTRL_10                   0x1
153 #define ICH9_LPC_ACPI_CTRL_11                   0x2
154 #define ICH9_LPC_ACPI_CTRL_20                   0x4
155 #define ICH9_LPC_ACPI_CTRL_21                   0x5
156 #define ICH9_LPC_ACPI_CTRL_DEFAULT              0x0
157 
158 #define ICH9_LPC_PIRQA_ROUT                     0x60
159 #define ICH9_LPC_PIRQB_ROUT                     0x61
160 #define ICH9_LPC_PIRQC_ROUT                     0x62
161 #define ICH9_LPC_PIRQD_ROUT                     0x63
162 
163 #define ICH9_LPC_PIRQE_ROUT                     0x68
164 #define ICH9_LPC_PIRQF_ROUT                     0x69
165 #define ICH9_LPC_PIRQG_ROUT                     0x6a
166 #define ICH9_LPC_PIRQH_ROUT                     0x6b
167 
168 #define ICH9_LPC_PIRQ_ROUT_IRQEN                0x80
169 #define ICH9_LPC_PIRQ_ROUT_MASK                 Q35_MASK(8, 3, 0)
170 #define ICH9_LPC_PIRQ_ROUT_DEFAULT              0x80
171 
172 #define ICH9_LPC_GEN_PMCON_1                    0xa0
173 #define ICH9_LPC_GEN_PMCON_1_SMI_LOCK           (1 << 4)
174 #define ICH9_LPC_GEN_PMCON_2                    0xa2
175 #define ICH9_LPC_GEN_PMCON_3                    0xa4
176 #define ICH9_LPC_GEN_PMCON_LOCK                 0xa6
177 
178 #define ICH9_LPC_RCBA                           0xf0
179 #define ICH9_LPC_RCBA_BA_MASK                   Q35_MASK(32, 31, 14)
180 #define ICH9_LPC_RCBA_EN                        0x1
181 #define ICH9_LPC_RCBA_DEFAULT                   0x0
182 
183 #define ICH9_LPC_PIC_NUM_PINS                   16
184 #define ICH9_LPC_IOAPIC_NUM_PINS                24
185 
186 #define ICH9_GPIO_GSI "gsi"
187 
188 /* D31:F2 SATA Controller #1 */
189 #define ICH9_SATA1_DEV                          31
190 #define ICH9_SATA1_FUNC                         2
191 
192 /* D31:F0 power management I/O registers
193    offset from the address ICH9_LPC_PMBASE */
194 
195 /* ICH9 LPC PM I/O registers are 128 ports and 128-aligned */
196 #define ICH9_PMIO_SIZE                          128
197 #define ICH9_PMIO_MASK                          (ICH9_PMIO_SIZE - 1)
198 
199 #define ICH9_PMIO_PM1_STS                       0x00
200 #define ICH9_PMIO_PM1_EN                        0x02
201 #define ICH9_PMIO_PM1_CNT                       0x04
202 #define ICH9_PMIO_PM1_TMR                       0x08
203 #define ICH9_PMIO_GPE0_STS                      0x20
204 #define ICH9_PMIO_GPE0_EN                       0x28
205 #define ICH9_PMIO_GPE0_LEN                      16
206 #define ICH9_PMIO_SMI_EN                        0x30
207 #define ICH9_PMIO_SMI_EN_APMC_EN                (1 << 5)
208 #define ICH9_PMIO_SMI_EN_TCO_EN                 (1 << 13)
209 #define ICH9_PMIO_SMI_STS                       0x34
210 #define ICH9_PMIO_TCO_RLD                       0x60
211 #define ICH9_PMIO_TCO_LEN                       32
212 
213 /* FADT ACPI_ENABLE/ACPI_DISABLE */
214 #define ICH9_APM_ACPI_ENABLE                    0x2
215 #define ICH9_APM_ACPI_DISABLE                   0x3
216 
217 
218 /* D31:F3 SMBus controller */
219 #define TYPE_ICH9_SMB_DEVICE "ICH9-SMB"
220 
221 #define ICH9_A2_SMB_REVISION                    0x02
222 #define ICH9_SMB_PI                             0x00
223 
224 #define ICH9_SMB_SMBMBAR0                       0x10
225 #define ICH9_SMB_SMBMBAR1                       0x14
226 #define ICH9_SMB_SMBM_BAR                       0
227 #define ICH9_SMB_SMBM_SIZE                      (1 << 8)
228 #define ICH9_SMB_SMB_BASE                       0x20
229 #define ICH9_SMB_SMB_BASE_BAR                   4
230 #define ICH9_SMB_SMB_BASE_SIZE                  (1 << 5)
231 #define ICH9_SMB_HOSTC                          0x40
232 #define ICH9_SMB_HOSTC_SSRESET                  ((uint8_t)(1 << 3))
233 #define ICH9_SMB_HOSTC_I2C_EN                   ((uint8_t)(1 << 2))
234 #define ICH9_SMB_HOSTC_SMB_SMI_EN               ((uint8_t)(1 << 1))
235 #define ICH9_SMB_HOSTC_HST_EN                   ((uint8_t)(1 << 0))
236 
237 /* D31:F3 SMBus I/O and memory mapped I/O registers */
238 #define ICH9_SMB_DEV                            31
239 #define ICH9_SMB_FUNC                           3
240 
241 #define ICH9_SMB_HST_STS                        0x00
242 #define ICH9_SMB_HST_CNT                        0x02
243 #define ICH9_SMB_HST_CMD                        0x03
244 #define ICH9_SMB_XMIT_SLVA                      0x04
245 #define ICH9_SMB_HST_D0                         0x05
246 #define ICH9_SMB_HST_D1                         0x06
247 #define ICH9_SMB_HOST_BLOCK_DB                  0x07
248 
249 #define ICH9_LPC_SMI_NEGOTIATED_FEAT_PROP "x-smi-negotiated-features"
250 
251 /* bit positions used in fw_cfg SMI feature negotiation */
252 #define ICH9_LPC_SMI_F_BROADCAST_BIT            0
253 #define ICH9_LPC_SMI_F_CPU_HOTPLUG_BIT          1
254 #define ICH9_LPC_SMI_F_CPU_HOT_UNPLUG_BIT       2
255 
256 #endif /* HW_ICH9_H */
257