Angel Pons | 182dbde | 2020-04-02 23:49:05 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* This file is part of the coreboot project. */ |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 3 | |
| 4 | #include <console/console.h> |
| 5 | #include <device/device.h> |
| 6 | #include <device/pci.h> |
| 7 | #include <device/pci_ids.h> |
Kyösti Mälkki | cbf9571 | 2020-01-05 08:05:45 +0200 | [diff] [blame] | 8 | #include <option.h> |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 9 | #include <pc80/mc146818rtc.h> |
| 10 | #include <pc80/isa-dma.h> |
| 11 | #include <pc80/i8259.h> |
| 12 | #include <arch/io.h> |
Kyösti Mälkki | f1b58b7 | 2019-03-01 13:43:02 +0200 | [diff] [blame] | 13 | #include <device/pci_ops.h> |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 14 | #include <arch/ioapic.h> |
| 15 | #include <arch/acpi.h> |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 16 | #include <cpu/x86/smm.h> |
| 17 | #include <arch/acpigen.h> |
Arthur Heymans | ad50149 | 2017-04-12 00:15:39 +0200 | [diff] [blame] | 18 | #include <arch/smp/mpspec.h> |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 19 | #include <cbmem.h> |
| 20 | #include <string.h> |
Kyösti Mälkki | 12b121c | 2019-08-18 16:33:39 +0300 | [diff] [blame] | 21 | #include "chip.h" |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 22 | #include "i82801jx.h" |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 23 | #include "nvs.h" |
| 24 | #include <southbridge/intel/common/pciehp.h> |
Arthur Heymans | a8a9f34 | 2017-12-24 08:11:13 +0100 | [diff] [blame] | 25 | #include <southbridge/intel/common/acpi_pirq_gen.h> |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 26 | |
| 27 | #define NMI_OFF 0 |
| 28 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 29 | typedef struct southbridge_intel_i82801jx_config config_t; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 30 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 31 | static void i82801jx_enable_apic(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 32 | { |
| 33 | u32 reg32; |
| 34 | volatile u32 *ioapic_index = (volatile u32 *)(IO_APIC_ADDR); |
| 35 | volatile u32 *ioapic_data = (volatile u32 *)(IO_APIC_ADDR + 0x10); |
| 36 | |
| 37 | /* Enable IOAPIC. Keep APIC Range Select at zero. */ |
| 38 | RCBA8(0x31ff) = 0x03; |
| 39 | /* We have to read 0x31ff back if bit0 changed. */ |
| 40 | RCBA8(0x31ff); |
| 41 | |
| 42 | /* Lock maximum redirection entries (MRE), R/WO register. */ |
| 43 | *ioapic_index = 0x01; |
| 44 | reg32 = *ioapic_data; |
| 45 | *ioapic_index = 0x01; |
| 46 | *ioapic_data = reg32; |
| 47 | |
| 48 | setup_ioapic(VIO_APIC_VADDR, 2); /* ICH7 code uses id 2. */ |
| 49 | } |
| 50 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 51 | static void i82801jx_enable_serial_irqs(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 52 | { |
| 53 | /* Set packet length and toggle silent mode bit for one frame. */ |
| 54 | pci_write_config8(dev, D31F0_SERIRQ_CNTL, |
| 55 | (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0)); |
| 56 | } |
| 57 | |
| 58 | /* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control |
| 59 | * 0x00 - 0000 = Reserved |
| 60 | * 0x01 - 0001 = Reserved |
| 61 | * 0x02 - 0010 = Reserved |
| 62 | * 0x03 - 0011 = IRQ3 |
| 63 | * 0x04 - 0100 = IRQ4 |
| 64 | * 0x05 - 0101 = IRQ5 |
| 65 | * 0x06 - 0110 = IRQ6 |
| 66 | * 0x07 - 0111 = IRQ7 |
| 67 | * 0x08 - 1000 = Reserved |
| 68 | * 0x09 - 1001 = IRQ9 |
| 69 | * 0x0A - 1010 = IRQ10 |
| 70 | * 0x0B - 1011 = IRQ11 |
| 71 | * 0x0C - 1100 = IRQ12 |
| 72 | * 0x0D - 1101 = Reserved |
| 73 | * 0x0E - 1110 = IRQ14 |
| 74 | * 0x0F - 1111 = IRQ15 |
| 75 | * PIRQ[n]_ROUT[7] - PIRQ Routing Control |
| 76 | * 0x80 - The PIRQ is not routed. |
| 77 | */ |
| 78 | |
Elyes HAOUAS | 1a8c1df | 2018-05-13 13:36:44 +0200 | [diff] [blame] | 79 | static void i82801jx_pirq_init(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 80 | { |
Elyes HAOUAS | 1a8c1df | 2018-05-13 13:36:44 +0200 | [diff] [blame] | 81 | struct device *irq_dev; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 82 | |
Arthur Heymans | 87af36a | 2017-04-12 10:53:30 +0200 | [diff] [blame] | 83 | /* Interrupt 11 is not used by legacy devices and so can always be used |
| 84 | * for PCI interrupts. Full legacy IRQ routing is complicated and hard |
| 85 | * to get right. Fortunately all modern OS use MSI and so it's not that |
| 86 | * big of an issue anyway. Still we have to provide a reasonable |
| 87 | * default. Using interrupt 11 for it everywhere is a working default. |
| 88 | * ACPI-aware OS can move it to any interrupt and others will just leave |
| 89 | * them at default. |
| 90 | */ |
| 91 | const u8 pirq_routing = 11; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 92 | |
Arthur Heymans | 87af36a | 2017-04-12 10:53:30 +0200 | [diff] [blame] | 93 | pci_write_config8(dev, D31F0_PIRQA_ROUT, pirq_routing); |
| 94 | pci_write_config8(dev, D31F0_PIRQB_ROUT, pirq_routing); |
| 95 | pci_write_config8(dev, D31F0_PIRQC_ROUT, pirq_routing); |
| 96 | pci_write_config8(dev, D31F0_PIRQD_ROUT, pirq_routing); |
| 97 | |
| 98 | pci_write_config8(dev, D31F0_PIRQE_ROUT, pirq_routing); |
| 99 | pci_write_config8(dev, D31F0_PIRQF_ROUT, pirq_routing); |
| 100 | pci_write_config8(dev, D31F0_PIRQG_ROUT, pirq_routing); |
| 101 | pci_write_config8(dev, D31F0_PIRQH_ROUT, pirq_routing); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 102 | |
| 103 | /* Eric Biederman once said we should let the OS do this. |
| 104 | * I am not so sure anymore he was right. |
| 105 | */ |
| 106 | |
| 107 | for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) { |
Arthur Heymans | 87af36a | 2017-04-12 10:53:30 +0200 | [diff] [blame] | 108 | u8 int_pin = 0; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 109 | |
| 110 | if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI) |
| 111 | continue; |
| 112 | |
| 113 | int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN); |
| 114 | |
Arthur Heymans | 87af36a | 2017-04-12 10:53:30 +0200 | [diff] [blame] | 115 | if (int_pin == 0) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 116 | continue; |
| 117 | |
Arthur Heymans | 87af36a | 2017-04-12 10:53:30 +0200 | [diff] [blame] | 118 | pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, pirq_routing); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 119 | } |
| 120 | } |
| 121 | |
Elyes HAOUAS | 1a8c1df | 2018-05-13 13:36:44 +0200 | [diff] [blame] | 122 | static void i82801jx_gpi_routing(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 123 | { |
| 124 | /* Get the chip configuration */ |
| 125 | config_t *config = dev->chip_info; |
| 126 | u32 reg32 = 0; |
| 127 | |
| 128 | /* An array would be much nicer here, or some |
| 129 | * other method of doing this. |
| 130 | */ |
| 131 | reg32 |= (config->gpi0_routing & 0x03) << 0; |
| 132 | reg32 |= (config->gpi1_routing & 0x03) << 2; |
| 133 | reg32 |= (config->gpi2_routing & 0x03) << 4; |
| 134 | reg32 |= (config->gpi3_routing & 0x03) << 6; |
| 135 | reg32 |= (config->gpi4_routing & 0x03) << 8; |
| 136 | reg32 |= (config->gpi5_routing & 0x03) << 10; |
| 137 | reg32 |= (config->gpi6_routing & 0x03) << 12; |
| 138 | reg32 |= (config->gpi7_routing & 0x03) << 14; |
| 139 | reg32 |= (config->gpi8_routing & 0x03) << 16; |
| 140 | reg32 |= (config->gpi9_routing & 0x03) << 18; |
| 141 | reg32 |= (config->gpi10_routing & 0x03) << 20; |
| 142 | reg32 |= (config->gpi11_routing & 0x03) << 22; |
| 143 | reg32 |= (config->gpi12_routing & 0x03) << 24; |
| 144 | reg32 |= (config->gpi13_routing & 0x03) << 26; |
| 145 | reg32 |= (config->gpi14_routing & 0x03) << 28; |
| 146 | reg32 |= (config->gpi15_routing & 0x03) << 30; |
| 147 | |
| 148 | pci_write_config32(dev, D31F0_GPIO_ROUT, reg32); |
| 149 | } |
| 150 | |
Elyes HAOUAS | 1a8c1df | 2018-05-13 13:36:44 +0200 | [diff] [blame] | 151 | static void i82801jx_power_options(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 152 | { |
| 153 | u8 reg8; |
| 154 | u16 reg16, pmbase; |
| 155 | u32 reg32; |
| 156 | const char *state; |
| 157 | /* Get the chip configuration */ |
| 158 | config_t *config = dev->chip_info; |
| 159 | |
Nico Huber | 9faae2b | 2018-11-14 00:00:35 +0100 | [diff] [blame] | 160 | int pwr_on = CONFIG_MAINBOARD_POWER_FAILURE_STATE; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 161 | int nmi_option; |
| 162 | |
| 163 | /* BIOS must program... */ |
| 164 | reg32 = pci_read_config32(dev, 0xac); |
| 165 | pci_write_config32(dev, 0xac, reg32 | (1 << 30) | (3 << 8)); |
| 166 | |
| 167 | /* Which state do we want to goto after g3 (power restored)? |
| 168 | * 0 == S0 Full On |
| 169 | * 1 == S5 Soft Off |
| 170 | * |
| 171 | * If the option is not existent (Laptops), use MAINBOARD_POWER_ON. |
| 172 | */ |
| 173 | pwr_on = MAINBOARD_POWER_ON; |
| 174 | get_option(&pwr_on, "power_on_after_fail"); |
| 175 | |
| 176 | reg8 = pci_read_config8(dev, D31F0_GEN_PMCON_3); |
| 177 | reg8 &= 0xfe; |
| 178 | switch (pwr_on) { |
| 179 | case MAINBOARD_POWER_OFF: |
| 180 | reg8 |= 1; |
| 181 | state = "off"; |
| 182 | break; |
| 183 | case MAINBOARD_POWER_ON: |
| 184 | reg8 &= ~1; |
| 185 | state = "on"; |
| 186 | break; |
| 187 | case MAINBOARD_POWER_KEEP: |
| 188 | reg8 &= ~1; |
| 189 | state = "state keep"; |
| 190 | break; |
| 191 | default: |
| 192 | state = "undefined"; |
| 193 | } |
| 194 | |
| 195 | reg8 |= (3 << 4); /* avoid #S4 assertions */ |
| 196 | reg8 &= ~(1 << 3); /* minimum asssertion is 1 to 2 RTCCLK */ |
| 197 | |
| 198 | pci_write_config8(dev, D31F0_GEN_PMCON_3, reg8); |
| 199 | printk(BIOS_INFO, "Set power %s after power failure.\n", state); |
| 200 | |
| 201 | /* Set up NMI on errors. */ |
| 202 | reg8 = inb(0x61); |
| 203 | reg8 &= 0x0f; /* Higher Nibble must be 0 */ |
| 204 | reg8 &= ~(1 << 3); /* IOCHK# NMI Enable */ |
| 205 | // reg8 &= ~(1 << 2); /* PCI SERR# Enable */ |
| 206 | reg8 |= (1 << 2); /* PCI SERR# Disable for now */ |
| 207 | outb(reg8, 0x61); |
| 208 | |
| 209 | reg8 = inb(0x74); /* Read from 0x74 as 0x70 is write only. */ |
| 210 | nmi_option = NMI_OFF; |
| 211 | get_option(&nmi_option, "nmi"); |
| 212 | if (nmi_option) { |
| 213 | printk(BIOS_INFO, "NMI sources enabled.\n"); |
| 214 | reg8 &= ~(1 << 7); /* Set NMI. */ |
| 215 | } else { |
| 216 | printk(BIOS_INFO, "NMI sources disabled.\n"); |
Elyes HAOUAS | 9c5d463 | 2018-04-26 22:21:21 +0200 | [diff] [blame] | 217 | reg8 |= (1 << 7); /* Can't mask NMI from PCI-E and NMI_NOW */ |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 218 | } |
| 219 | outb(reg8, 0x70); |
| 220 | |
| 221 | /* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */ |
| 222 | reg16 = pci_read_config16(dev, D31F0_GEN_PMCON_1); |
| 223 | reg16 &= ~(3 << 0); // SMI# rate 1 minute |
| 224 | reg16 |= (1 << 2); // CLKRUN_EN - Mobile/Ultra only |
| 225 | reg16 |= (1 << 3); // Speedstep Enable - Mobile/Ultra only |
| 226 | reg16 |= (1 << 5); // CPUSLP_EN Desktop only |
| 227 | |
| 228 | if (config->c4onc3_enable) |
| 229 | reg16 |= (1 << 7); |
| 230 | |
| 231 | // another laptop wants this? |
| 232 | // reg16 &= ~(1 << 10); // BIOS_PCI_EXP_EN - Desktop/Mobile only |
| 233 | reg16 |= (1 << 10); // BIOS_PCI_EXP_EN - Desktop/Mobile only |
| 234 | #if DEBUG_PERIODIC_SMIS |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 235 | /* Set DEBUG_PERIODIC_SMIS in i82801jx.h to debug using |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 236 | * periodic SMIs. |
| 237 | */ |
| 238 | reg16 |= (3 << 0); // Periodic SMI every 8s |
| 239 | #endif |
| 240 | if (config->c5_enable) |
| 241 | reg16 |= (1 << 11); /* Enable C5, C6 and PMSYNC# */ |
| 242 | pci_write_config16(dev, D31F0_GEN_PMCON_1, reg16); |
| 243 | |
| 244 | /* Set exit timings for C5/C6. */ |
| 245 | if (config->c5_enable) { |
| 246 | reg8 = pci_read_config8(dev, D31F0_C5_EXIT_TIMING); |
| 247 | reg8 &= ~((7 << 3) | (7 << 0)); |
| 248 | if (config->c6_enable) |
| 249 | reg8 |= (5 << 3) | (3 << 0); /* 38-44us PMSYNC# to STPCLK#, |
| 250 | 95-102us DPRSTP# to STP_CPU# */ |
| 251 | else |
| 252 | reg8 |= (0 << 3) | (1 << 0); /* 16-17us PMSYNC# to STPCLK#, |
| 253 | 34-40us DPRSTP# to STP_CPU# */ |
| 254 | pci_write_config8(dev, D31F0_C5_EXIT_TIMING, reg8); |
| 255 | } |
| 256 | |
| 257 | // Set the board's GPI routing. |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 258 | i82801jx_gpi_routing(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 259 | |
| 260 | pmbase = pci_read_config16(dev, 0x40) & 0xfffe; |
| 261 | |
| 262 | outl(config->gpe0_en, pmbase + 0x28); |
| 263 | outw(config->alt_gp_smi_en, pmbase + 0x38); |
| 264 | |
| 265 | /* Set up power management block and determine sleep mode */ |
| 266 | reg16 = inw(pmbase + 0x00); /* PM1_STS */ |
| 267 | outw(reg16, pmbase + 0x00); /* Clear status bits. At least bit11 (power |
| 268 | button override) must be cleared or SCI |
| 269 | will be constantly fired and OSPM must |
| 270 | not know about it (ACPI spec says to |
| 271 | ignore the bit). */ |
| 272 | reg32 = inl(pmbase + 0x04); // PM1_CNT |
| 273 | reg32 &= ~(7 << 10); // SLP_TYP |
| 274 | outl(reg32, pmbase + 0x04); |
| 275 | |
| 276 | /* Set duty cycle for hardware throttling (defaults to 0x0: 50%). */ |
| 277 | reg32 = inl(pmbase + 0x10); |
| 278 | reg32 &= ~(7 << 5); |
| 279 | reg32 |= (config->throttle_duty & 7) << 5; |
| 280 | outl(reg32, pmbase + 0x10); |
| 281 | } |
| 282 | |
Elyes HAOUAS | 1a8c1df | 2018-05-13 13:36:44 +0200 | [diff] [blame] | 283 | static void i82801jx_configure_cstates(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 284 | { |
| 285 | u8 reg8; |
| 286 | |
| 287 | reg8 = pci_read_config8(dev, D31F0_CxSTATE_CNF); |
| 288 | reg8 |= (1 << 4) | (1 << 3) | (1 << 2); // Enable Popup & Popdown |
| 289 | pci_write_config8(dev, D31F0_CxSTATE_CNF, reg8); |
| 290 | |
| 291 | // Set Deeper Sleep configuration to recommended values |
| 292 | reg8 = pci_read_config8(dev, D31F0_C4TIMING_CNT); |
| 293 | reg8 &= 0xf0; |
| 294 | reg8 |= (2 << 2); // Deeper Sleep to Stop CPU: 34-40us |
| 295 | reg8 |= (2 << 0); // Deeper Sleep to Sleep: 15us |
| 296 | pci_write_config8(dev, D31F0_C4TIMING_CNT, reg8); |
| 297 | |
| 298 | /* We could enable slow-C4 exit here, if someone needs it? */ |
| 299 | } |
| 300 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 301 | static void i82801jx_rtc_init(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 302 | { |
| 303 | u8 reg8; |
| 304 | int rtc_failed; |
| 305 | |
| 306 | reg8 = pci_read_config8(dev, D31F0_GEN_PMCON_3); |
| 307 | rtc_failed = reg8 & RTC_BATTERY_DEAD; |
| 308 | if (rtc_failed) { |
| 309 | reg8 &= ~RTC_BATTERY_DEAD; |
| 310 | pci_write_config8(dev, D31F0_GEN_PMCON_3, reg8); |
| 311 | } |
| 312 | printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed); |
| 313 | |
| 314 | cmos_init(rtc_failed); |
| 315 | } |
| 316 | |
| 317 | static void enable_hpet(void) |
| 318 | { |
| 319 | u32 reg32; |
| 320 | |
| 321 | /* Move HPET to default address 0xfed00000 and enable it */ |
| 322 | reg32 = RCBA32(RCBA_HPTC); |
| 323 | reg32 |= (1 << 7); // HPET Address Enable |
| 324 | reg32 &= ~(3 << 0); |
| 325 | RCBA32(RCBA_HPTC) = reg32; |
| 326 | } |
| 327 | |
| 328 | static void enable_clock_gating(void) |
| 329 | { |
| 330 | u32 reg32; |
| 331 | |
| 332 | /* Enable DMI dynamic clock gating. */ |
| 333 | RCBA32(RCBA_DMIC) |= 3; |
| 334 | |
| 335 | /* Enable Clock Gating for most devices. */ |
| 336 | reg32 = RCBA32(RCBA_CG); |
| 337 | reg32 |= (1 << 31); /* LPC dynamic clock gating */ |
| 338 | /* USB UHCI dynamic clock gating: */ |
| 339 | reg32 |= (1 << 29) | (1 << 28); |
| 340 | /* SATA dynamic clock gating [0-3]: */ |
| 341 | reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24); |
| 342 | reg32 |= (1 << 23); /* LAN static clock gating (if LAN disabled) */ |
| 343 | reg32 |= (1 << 22); /* HD audio dynamic clock gating */ |
| 344 | reg32 &= ~(1 << 21); /* No HD audio static clock gating */ |
| 345 | reg32 &= ~(1 << 20); /* No USB EHCI static clock gating */ |
| 346 | reg32 |= (1 << 19); /* USB EHCI dynamic clock gating */ |
| 347 | /* More SATA dynamic clock gating [4-5]: */ |
| 348 | reg32 |= (1 << 18) | (1 << 17); |
| 349 | reg32 |= (1 << 16); /* PCI dynamic clock gating */ |
| 350 | /* PCIe, DMI dynamic clock gating: */ |
| 351 | reg32 |= (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1); |
| 352 | reg32 |= (1 << 0); /* PCIe root port static clock gating */ |
| 353 | RCBA32(RCBA_CG) = reg32; |
| 354 | |
| 355 | /* Enable SPI dynamic clock gating. */ |
| 356 | RCBA32(0x38c0) |= 7; |
| 357 | } |
| 358 | |
Kyösti Mälkki | 83d6a8a | 2019-07-12 08:16:53 +0300 | [diff] [blame] | 359 | static void i82801jx_set_acpi_mode(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 360 | { |
Kyösti Mälkki | 44da9e7 | 2019-10-09 12:32:16 +0300 | [diff] [blame] | 361 | if (CONFIG(HAVE_SMI_HANDLER)) { |
| 362 | if (!acpi_is_wakeup_s3()) { |
| 363 | printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n"); |
| 364 | outb(APM_CNT_ACPI_DISABLE, APM_CNT); // Disable ACPI mode |
| 365 | printk(BIOS_DEBUG, "done.\n"); |
| 366 | } else { |
| 367 | printk(BIOS_DEBUG, "S3 wakeup, enabling ACPI via APMC\n"); |
| 368 | outb(APM_CNT_ACPI_ENABLE, APM_CNT); |
| 369 | } |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 370 | } |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 371 | } |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 372 | |
| 373 | static void lpc_init(struct device *dev) |
| 374 | { |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 375 | printk(BIOS_DEBUG, "i82801jx: lpc_init\n"); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 376 | |
| 377 | /* Set the value for PCI command register. */ |
| 378 | pci_write_config16(dev, PCI_COMMAND, 0x000f); |
| 379 | |
| 380 | /* IO APIC initialization. */ |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 381 | i82801jx_enable_apic(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 382 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 383 | i82801jx_enable_serial_irqs(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 384 | |
| 385 | /* Setup the PIRQ. */ |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 386 | i82801jx_pirq_init(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 387 | |
| 388 | /* Setup power options. */ |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 389 | i82801jx_power_options(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 390 | |
| 391 | /* Configure Cx state registers */ |
| 392 | if (LPC_IS_MOBILE(dev)) |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 393 | i82801jx_configure_cstates(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 394 | |
| 395 | /* Initialize the real time clock. */ |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 396 | i82801jx_rtc_init(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 397 | |
| 398 | /* Initialize ISA DMA. */ |
| 399 | isa_dma_init(); |
| 400 | |
| 401 | /* Initialize the High Precision Event Timers, if present. */ |
| 402 | enable_hpet(); |
| 403 | |
| 404 | /* Initialize Clock Gating */ |
| 405 | enable_clock_gating(); |
| 406 | |
| 407 | setup_i8259(); |
| 408 | |
| 409 | /* The OS should do this? */ |
| 410 | /* Interrupt 9 should be level triggered (SCI) */ |
| 411 | i8259_configure_irq_trigger(9, 1); |
| 412 | |
Kyösti Mälkki | 44da9e7 | 2019-10-09 12:32:16 +0300 | [diff] [blame] | 413 | i82801jx_set_acpi_mode(dev); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 414 | } |
| 415 | |
Arthur Heymans | ad50149 | 2017-04-12 00:15:39 +0200 | [diff] [blame] | 416 | unsigned long acpi_fill_madt(unsigned long current) |
| 417 | { |
| 418 | /* Local APICs */ |
| 419 | current = acpi_create_madt_lapics(current); |
| 420 | |
| 421 | /* IOAPIC */ |
| 422 | current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, |
| 423 | 2, IO_APIC_ADDR, 0); |
| 424 | |
| 425 | /* LAPIC_NMI */ |
| 426 | current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *) |
| 427 | current, 0, |
| 428 | MP_IRQ_POLARITY_HIGH | |
| 429 | MP_IRQ_TRIGGER_EDGE, 0x01); |
| 430 | current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *) |
| 431 | current, 1, MP_IRQ_POLARITY_HIGH | |
| 432 | MP_IRQ_TRIGGER_EDGE, 0x01); |
| 433 | |
| 434 | /* INT_SRC_OVR */ |
| 435 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| 436 | current, 0, 0, 2, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_EDGE); |
| 437 | current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| 438 | current, 0, 9, 9, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_LEVEL); |
| 439 | |
| 440 | |
| 441 | return current; |
| 442 | } |
| 443 | |
| 444 | void acpi_fill_fadt(acpi_fadt_t *fadt) |
| 445 | { |
Kyösti Mälkki | c70eed1 | 2018-05-22 02:18:00 +0300 | [diff] [blame] | 446 | struct device *dev = pcidev_on_root(0x1f, 0); |
Arthur Heymans | ad50149 | 2017-04-12 00:15:39 +0200 | [diff] [blame] | 447 | config_t *chip = dev->chip_info; |
| 448 | u16 pmbase = pci_read_config16(dev, 0x40) & 0xfffe; |
| 449 | |
| 450 | fadt->pm1a_evt_blk = pmbase; |
| 451 | fadt->pm1b_evt_blk = 0x0; |
| 452 | fadt->pm1a_cnt_blk = pmbase + 0x4; |
| 453 | fadt->pm1b_cnt_blk = 0x0; |
| 454 | fadt->pm2_cnt_blk = pmbase + 0x50; |
| 455 | fadt->pm_tmr_blk = pmbase + 0x8; |
| 456 | fadt->gpe0_blk = pmbase + 0x20; |
| 457 | fadt->gpe1_blk = 0; |
| 458 | |
| 459 | fadt->pm1_evt_len = 4; |
| 460 | fadt->pm1_cnt_len = 2; |
| 461 | fadt->pm2_cnt_len = 1; |
| 462 | fadt->pm_tmr_len = 4; |
| 463 | fadt->gpe0_blk_len = 16; |
| 464 | fadt->gpe1_blk_len = 0; |
| 465 | fadt->gpe1_base = 0; |
| 466 | |
| 467 | fadt->reset_reg.space_id = 1; |
| 468 | fadt->reset_reg.bit_width = 8; |
| 469 | fadt->reset_reg.bit_offset = 0; |
| 470 | fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
| 471 | fadt->reset_reg.addrl = 0xcf9; |
| 472 | fadt->reset_reg.addrh = 0; |
| 473 | fadt->reset_value = 6; |
| 474 | |
| 475 | fadt->x_pm1a_evt_blk.space_id = 1; |
| 476 | fadt->x_pm1a_evt_blk.bit_width = 32; |
| 477 | fadt->x_pm1a_evt_blk.bit_offset = 0; |
| 478 | fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 479 | fadt->x_pm1a_evt_blk.addrl = pmbase; |
| 480 | fadt->x_pm1a_evt_blk.addrh = 0x0; |
| 481 | |
| 482 | fadt->x_pm1b_evt_blk.space_id = 0; |
| 483 | fadt->x_pm1b_evt_blk.bit_width = 0; |
| 484 | fadt->x_pm1b_evt_blk.bit_offset = 0; |
| 485 | fadt->x_pm1b_evt_blk.access_size = 0; |
| 486 | fadt->x_pm1b_evt_blk.addrl = 0x0; |
| 487 | fadt->x_pm1b_evt_blk.addrh = 0x0; |
| 488 | |
| 489 | fadt->x_pm1a_cnt_blk.space_id = 1; |
| 490 | fadt->x_pm1a_cnt_blk.bit_width = 16; |
| 491 | fadt->x_pm1a_cnt_blk.bit_offset = 0; |
| 492 | fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; |
| 493 | fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4; |
| 494 | fadt->x_pm1a_cnt_blk.addrh = 0x0; |
| 495 | |
| 496 | fadt->x_pm1b_cnt_blk.space_id = 0; |
| 497 | fadt->x_pm1b_cnt_blk.bit_width = 0; |
| 498 | fadt->x_pm1b_cnt_blk.bit_offset = 0; |
| 499 | fadt->x_pm1b_cnt_blk.access_size = 0; |
| 500 | fadt->x_pm1b_cnt_blk.addrl = 0x0; |
| 501 | fadt->x_pm1b_cnt_blk.addrh = 0x0; |
| 502 | |
| 503 | fadt->x_pm2_cnt_blk.space_id = 1; |
| 504 | fadt->x_pm2_cnt_blk.bit_width = 8; |
| 505 | fadt->x_pm2_cnt_blk.bit_offset = 0; |
| 506 | fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
Arthur Heymans | 3556ac5 | 2018-12-03 00:29:08 +0100 | [diff] [blame] | 507 | fadt->x_pm2_cnt_blk.addrl = pmbase + 0x50; |
Arthur Heymans | ad50149 | 2017-04-12 00:15:39 +0200 | [diff] [blame] | 508 | fadt->x_pm2_cnt_blk.addrh = 0x0; |
| 509 | |
| 510 | fadt->x_pm_tmr_blk.space_id = 1; |
| 511 | fadt->x_pm_tmr_blk.bit_width = 32; |
| 512 | fadt->x_pm_tmr_blk.bit_offset = 0; |
| 513 | fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 514 | fadt->x_pm_tmr_blk.addrl = pmbase + 0x8; |
| 515 | fadt->x_pm_tmr_blk.addrh = 0x0; |
| 516 | |
| 517 | fadt->x_gpe0_blk.space_id = 1; |
| 518 | fadt->x_gpe0_blk.bit_width = 128; |
| 519 | fadt->x_gpe0_blk.bit_offset = 0; |
| 520 | fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 521 | fadt->x_gpe0_blk.addrl = pmbase + 0x20; |
| 522 | fadt->x_gpe0_blk.addrh = 0x0; |
| 523 | |
| 524 | fadt->x_gpe1_blk.space_id = 0; |
| 525 | fadt->x_gpe1_blk.bit_width = 0; |
| 526 | fadt->x_gpe1_blk.bit_offset = 0; |
| 527 | fadt->x_gpe1_blk.access_size = 0; |
| 528 | fadt->x_gpe1_blk.addrl = 0x0; |
| 529 | fadt->x_gpe1_blk.addrh = 0x0; |
| 530 | fadt->day_alrm = 0xd; |
| 531 | fadt->mon_alrm = 0x00; |
| 532 | fadt->century = 0x32; |
| 533 | |
Elyes HAOUAS | 0d4de2a | 2019-02-28 13:04:29 +0100 | [diff] [blame] | 534 | fadt->reserved = 0; |
Arthur Heymans | ad50149 | 2017-04-12 00:15:39 +0200 | [diff] [blame] | 535 | fadt->sci_int = 0x9; |
| 536 | fadt->smi_cmd = APM_CNT; |
| 537 | fadt->acpi_enable = APM_CNT_ACPI_ENABLE; |
| 538 | fadt->acpi_disable = APM_CNT_ACPI_DISABLE; |
| 539 | fadt->s4bios_req = 0x0; |
| 540 | fadt->pstate_cnt = APM_CNT_PST_CONTROL; |
| 541 | |
| 542 | fadt->cst_cnt = APM_CNT_CST_CONTROL; |
| 543 | fadt->p_lvl2_lat = 1; |
| 544 | fadt->p_lvl3_lat = chip->c3_latency; |
| 545 | fadt->flush_size = 0; |
| 546 | fadt->flush_stride = 0; |
| 547 | fadt->duty_offset = 1; |
| 548 | if (chip->p_cnt_throttling_supported) |
| 549 | fadt->duty_width = 3; |
| 550 | else |
| 551 | fadt->duty_width = 0; |
| 552 | fadt->iapc_boot_arch = 0x03; |
| 553 | fadt->flags = (ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
| 554 | | ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_S4_RTC_WAKE |
| 555 | | ACPI_FADT_PLATFORM_CLOCK | ACPI_FADT_RESET_REGISTER |
| 556 | | ACPI_FADT_C2_MP_SUPPORTED); |
| 557 | if (chip->docking_supported) |
| 558 | fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED; |
| 559 | } |
| 560 | |
Elyes HAOUAS | 1a8c1df | 2018-05-13 13:36:44 +0200 | [diff] [blame] | 561 | static void i82801jx_lpc_read_resources(struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 562 | { |
Arthur Heymans | e5dcaf1 | 2017-04-12 00:03:37 +0200 | [diff] [blame] | 563 | int i, io_index = 0; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 564 | /* |
| 565 | * I/O Resources |
| 566 | * |
| 567 | * 0x0000 - 0x000f....ISA DMA |
| 568 | * 0x0010 - 0x001f....ISA DMA aliases |
| 569 | * 0x0020 ~ 0x003d....PIC |
| 570 | * 0x002e - 0x002f....Maybe Super I/O |
| 571 | * 0x0040 - 0x0043....Timer |
| 572 | * 0x004e - 0x004f....Maybe Super I/O |
| 573 | * 0x0050 - 0x0053....Timer aliases |
| 574 | * 0x0061.............NMI_SC |
| 575 | * 0x0070.............NMI_EN (readable in alternative access mode) |
| 576 | * 0x0070 - 0x0077....RTC |
| 577 | * 0x0080 - 0x008f....ISA DMA |
| 578 | * 0x0090 ~ 0x009f....ISA DMA aliases |
| 579 | * 0x0092.............Fast A20 and Init |
| 580 | * 0x00a0 ~ 0x00bd....PIC |
| 581 | * 0x00b2 - 0x00b3....APM |
| 582 | * 0x00c0 ~ 0x00de....ISA DMA |
| 583 | * 0x00c1 ~ 0x00df....ISA DMA aliases |
| 584 | * 0x00f0.............Coprocessor Error |
| 585 | * (0x0400-0x041f)....SMBus (SMBUS_IO_BASE, during raminit) |
| 586 | * 0x04d0 - 0x04d1....PIC |
| 587 | * 0x0500 - 0x057f....PM (DEFAULT_PMBASE) |
| 588 | * 0x0580 - 0x05bf....SB GPIO (DEFAULT_GPIOBASE) |
| 589 | * 0x05c0 - 0x05ff....SB GPIO cont. (mobile only) |
| 590 | * 0x0cf8 - 0x0cff....PCI |
| 591 | * 0x0cf9.............Reset Control |
| 592 | */ |
| 593 | |
| 594 | struct resource *res; |
| 595 | |
| 596 | /* Get the normal PCI resources of this device. */ |
| 597 | pci_dev_read_resources(dev); |
| 598 | |
| 599 | /* Add an extra subtractive resource for both memory and I/O. */ |
Arthur Heymans | e5dcaf1 | 2017-04-12 00:03:37 +0200 | [diff] [blame] | 600 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 601 | res->base = 0; |
| 602 | res->size = 0x1000; |
| 603 | res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | |
| 604 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 605 | |
Arthur Heymans | e5dcaf1 | 2017-04-12 00:03:37 +0200 | [diff] [blame] | 606 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
| 607 | res->base = 0xff000000; |
| 608 | res->size = 0x01000000; /* 16 MB for flash */ |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 609 | res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | |
| 610 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 611 | |
| 612 | res = new_resource(dev, 3); /* IOAPIC */ |
| 613 | res->base = IO_APIC_ADDR; |
| 614 | res->size = 0x00001000; |
| 615 | res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
Arthur Heymans | e5dcaf1 | 2017-04-12 00:03:37 +0200 | [diff] [blame] | 616 | |
| 617 | /* Set IO decode ranges if required.*/ |
| 618 | for (i = 0; i < 4; i++) { |
| 619 | u32 gen_dec; |
| 620 | gen_dec = pci_read_config32(dev, 0x84 + 4 * i); |
| 621 | |
| 622 | if ((gen_dec & 0xFFFC) > 0x1000) { |
| 623 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
| 624 | res->base = gen_dec & 0xFFFC; |
| 625 | res->size = (gen_dec >> 16) & 0xFC; |
| 626 | res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | |
| 627 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 628 | } |
| 629 | } |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 630 | } |
| 631 | |
Furquan Shaikh | 338fd9a | 2020-04-24 22:57:05 -0700 | [diff] [blame] | 632 | static void southbridge_inject_dsdt(const struct device *dev) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 633 | { |
| 634 | global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs)); |
| 635 | |
| 636 | if (gnvs) { |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 637 | memset(gnvs, 0, sizeof(*gnvs)); |
| 638 | acpi_create_gnvs(gnvs); |
| 639 | |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 640 | /* And tell SMI about it */ |
| 641 | smm_setup_structures(gnvs, NULL, NULL); |
| 642 | |
| 643 | /* Add it to SSDT. */ |
| 644 | acpigen_write_scope("\\"); |
| 645 | acpigen_write_name_dword("NVSA", (u32) gnvs); |
| 646 | acpigen_pop_len(); |
| 647 | } |
| 648 | } |
| 649 | |
Arthur Heymans | a8a9f34 | 2017-12-24 08:11:13 +0100 | [diff] [blame] | 650 | static const char *lpc_acpi_name(const struct device *dev) |
| 651 | { |
| 652 | return "LPCB"; |
| 653 | } |
| 654 | |
Furquan Shaikh | 7536a39 | 2020-04-24 21:59:21 -0700 | [diff] [blame] | 655 | static void southbridge_fill_ssdt(const struct device *device) |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 656 | { |
Kyösti Mälkki | c70eed1 | 2018-05-22 02:18:00 +0300 | [diff] [blame] | 657 | struct device *dev = pcidev_on_root(0x1f, 0); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 658 | config_t *chip = dev->chip_info; |
| 659 | |
| 660 | intel_acpi_pcie_hotplug_generator(chip->pcie_hotplug_map, 8); |
Arthur Heymans | a8a9f34 | 2017-12-24 08:11:13 +0100 | [diff] [blame] | 661 | intel_acpi_gen_def_acpi_pirq(device); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 662 | } |
| 663 | |
| 664 | static struct pci_operations pci_ops = { |
Subrata Banik | 4a0f071 | 2019-03-20 14:29:47 +0530 | [diff] [blame] | 665 | .set_subsystem = pci_dev_set_subsystem, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 666 | }; |
| 667 | |
| 668 | static struct device_operations device_ops = { |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 669 | .read_resources = i82801jx_lpc_read_resources, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 670 | .set_resources = pci_dev_set_resources, |
| 671 | .enable_resources = pci_dev_enable_resources, |
Nico Huber | 68680dd | 2020-03-31 17:34:52 +0200 | [diff] [blame] | 672 | .acpi_inject_dsdt = southbridge_inject_dsdt, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 673 | .write_acpi_tables = acpi_write_hpet, |
Nico Huber | 68680dd | 2020-03-31 17:34:52 +0200 | [diff] [blame] | 674 | .acpi_fill_ssdt = southbridge_fill_ssdt, |
Arthur Heymans | a8a9f34 | 2017-12-24 08:11:13 +0100 | [diff] [blame] | 675 | .acpi_name = lpc_acpi_name, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 676 | .init = lpc_init, |
Nico Huber | 51b75ae | 2019-03-14 16:02:05 +0100 | [diff] [blame] | 677 | .scan_bus = scan_static_bus, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 678 | .ops_pci = &pci_ops, |
| 679 | }; |
| 680 | |
| 681 | static const unsigned short pci_device_ids[] = { |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 682 | 0x3a10, /* ICH10R Eng. Sample */ |
| 683 | 0x3a14, /* ICH10DO */ |
| 684 | 0x3a16, /* ICH10R */ |
| 685 | 0x3a18, /* ICH10 */ |
| 686 | 0x3a1a, /* ICH10D */ |
| 687 | 0x3a1e, /* ICH10 Eng. Sample */ |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 688 | 0 |
| 689 | }; |
| 690 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 691 | static const struct pci_driver ich10_lpc __pci_driver = { |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 692 | .ops = &device_ops, |
| 693 | .vendor = PCI_VENDOR_ID_INTEL, |
| 694 | .devices = pci_device_ids, |
| 695 | }; |