Angel Pons | 182dbde | 2020-04-02 23:49:05 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 2 | |
| 3 | #include <console/console.h> |
| 4 | #include <device/device.h> |
| 5 | #include <device/pci.h> |
| 6 | #include <device/pci_ids.h> |
Patrick Rudolph | e56189c | 2018-04-18 10:11:59 +0200 | [diff] [blame] | 7 | #include <device/pci_ops.h> |
Patrick Rudolph | ef8c559 | 2018-07-27 17:48:27 +0200 | [diff] [blame] | 8 | #include <device/pci_def.h> |
Kyösti Mälkki | cbf9571 | 2020-01-05 08:05:45 +0200 | [diff] [blame] | 9 | #include <option.h> |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 10 | #include <pc80/isa-dma.h> |
| 11 | #include <pc80/i8259.h> |
| 12 | #include <arch/io.h> |
| 13 | #include <arch/ioapic.h> |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 14 | #include <acpi/acpi.h> |
| 15 | #include <acpi/acpigen.h> |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 16 | #include <cpu/x86/smm.h> |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 17 | #include <cbmem.h> |
Vladimir Serbinenko | 7309c64 | 2014-10-05 11:07:33 +0200 | [diff] [blame] | 18 | #include <string.h> |
Kyösti Mälkki | 12b121c | 2019-08-18 16:33:39 +0300 | [diff] [blame] | 19 | #include "chip.h" |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 20 | #include "pch.h" |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 21 | #include "nvs.h" |
Michał Żygowski | 9ff2af2 | 2020-04-13 20:37:36 +0200 | [diff] [blame] | 22 | #include <northbridge/intel/sandybridge/sandybridge.h> |
Vladimir Serbinenko | 36fa5b8 | 2014-10-28 23:43:20 +0100 | [diff] [blame] | 23 | #include <southbridge/intel/common/pciehp.h> |
Tobias Diedrich | 7f5efd9 | 2017-12-14 00:29:01 +0100 | [diff] [blame] | 24 | #include <southbridge/intel/common/acpi_pirq_gen.h> |
Arthur Heymans | a050817 | 2018-01-25 11:30:22 +0100 | [diff] [blame] | 25 | #include <southbridge/intel/common/pmutil.h> |
Patrick Rudolph | 6b93112 | 2018-11-01 17:48:37 +0100 | [diff] [blame] | 26 | #include <southbridge/intel/common/rtc.h> |
Arthur Heymans | ebf201b | 2019-05-28 13:51:36 +0200 | [diff] [blame] | 27 | #include <southbridge/intel/common/spi.h> |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 28 | |
| 29 | #define NMI_OFF 0 |
| 30 | |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 31 | typedef struct southbridge_intel_bd82x6x_config config_t; |
| 32 | |
Paul Menzel | 9c50e6a | 2013-05-03 12:23:39 +0200 | [diff] [blame] | 33 | /** |
| 34 | * Set miscellanous static southbridge features. |
| 35 | * |
| 36 | * @param dev PCI device with I/O APIC control registers |
| 37 | */ |
| 38 | static void pch_enable_ioapic(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 39 | { |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 40 | u32 reg32; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 41 | |
Nico Huber | b2dae79 | 2015-10-26 12:34:02 +0100 | [diff] [blame] | 42 | /* Assign unique bus/dev/fn for I/O APIC */ |
| 43 | pci_write_config16(dev, LPC_IBDF, |
| 44 | PCH_IOAPIC_PCI_BUS << 8 | PCH_IOAPIC_PCI_SLOT << 3); |
| 45 | |
Paul Menzel | 9c50e6a | 2013-05-03 12:23:39 +0200 | [diff] [blame] | 46 | /* Enable ACPI I/O range decode */ |
| 47 | pci_write_config8(dev, ACPI_CNTL, ACPI_EN); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 48 | |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 49 | set_ioapic_id(VIO_APIC_VADDR, 0x02); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 50 | |
| 51 | /* affirm full set of redirection table entries ("write once") */ |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 52 | reg32 = io_apic_read(VIO_APIC_VADDR, 0x01); |
| 53 | io_apic_write(VIO_APIC_VADDR, 0x01, reg32); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 54 | |
Paul Menzel | 9c50e6a | 2013-05-03 12:23:39 +0200 | [diff] [blame] | 55 | /* |
| 56 | * Select Boot Configuration register (0x03) and |
| 57 | * use Processor System Bus (0x01) to deliver interrupts. |
| 58 | */ |
Kevin Paul Herbert | bde6d30 | 2014-12-24 18:43:20 -0800 | [diff] [blame] | 59 | io_apic_write(VIO_APIC_VADDR, 0x03, 0x01); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | static void pch_enable_serial_irqs(struct device *dev) |
| 63 | { |
| 64 | /* Set packet length and toggle silent mode bit for one frame. */ |
| 65 | pci_write_config8(dev, SERIRQ_CNTL, |
| 66 | (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0)); |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 67 | #if !CONFIG(SERIRQ_CONTINUOUS_MODE) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 68 | pci_write_config8(dev, SERIRQ_CNTL, |
| 69 | (1 << 7) | (0 << 6) | ((21 - 17) << 2) | (0 << 0)); |
| 70 | #endif |
| 71 | } |
| 72 | |
| 73 | /* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control |
| 74 | * 0x00 - 0000 = Reserved |
| 75 | * 0x01 - 0001 = Reserved |
| 76 | * 0x02 - 0010 = Reserved |
| 77 | * 0x03 - 0011 = IRQ3 |
| 78 | * 0x04 - 0100 = IRQ4 |
| 79 | * 0x05 - 0101 = IRQ5 |
| 80 | * 0x06 - 0110 = IRQ6 |
| 81 | * 0x07 - 0111 = IRQ7 |
| 82 | * 0x08 - 1000 = Reserved |
| 83 | * 0x09 - 1001 = IRQ9 |
| 84 | * 0x0A - 1010 = IRQ10 |
| 85 | * 0x0B - 1011 = IRQ11 |
| 86 | * 0x0C - 1100 = IRQ12 |
| 87 | * 0x0D - 1101 = Reserved |
| 88 | * 0x0E - 1110 = IRQ14 |
| 89 | * 0x0F - 1111 = IRQ15 |
| 90 | * PIRQ[n]_ROUT[7] - PIRQ Routing Control |
| 91 | * 0x80 - The PIRQ is not routed. |
| 92 | */ |
| 93 | |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 94 | static void pch_pirq_init(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 95 | { |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 96 | struct device *irq_dev; |
Vladimir Serbinenko | 33b535f | 2014-10-19 10:13:14 +0200 | [diff] [blame] | 97 | /* Interrupt 11 is not used by legacy devices and so can always be used for |
| 98 | PCI interrupts. Full legacy IRQ routing is complicated and hard to |
| 99 | get right. Fortunately all modern OS use MSI and so it's not that big of |
| 100 | an issue anyway. Still we have to provide a reasonable default. Using |
| 101 | interrupt 11 for it everywhere is a working default. ACPI-aware OS can |
| 102 | move it to any interrupt and others will just leave them at default. |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 103 | */ |
Vladimir Serbinenko | 33b535f | 2014-10-19 10:13:14 +0200 | [diff] [blame] | 104 | const u8 pirq_routing = 11; |
| 105 | |
| 106 | pci_write_config8(dev, PIRQA_ROUT, pirq_routing); |
| 107 | pci_write_config8(dev, PIRQB_ROUT, pirq_routing); |
| 108 | pci_write_config8(dev, PIRQC_ROUT, pirq_routing); |
| 109 | pci_write_config8(dev, PIRQD_ROUT, pirq_routing); |
| 110 | |
| 111 | pci_write_config8(dev, PIRQE_ROUT, pirq_routing); |
| 112 | pci_write_config8(dev, PIRQF_ROUT, pirq_routing); |
| 113 | pci_write_config8(dev, PIRQG_ROUT, pirq_routing); |
| 114 | pci_write_config8(dev, PIRQH_ROUT, pirq_routing); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 115 | |
Elyes HAOUAS | ba28e8d | 2016-08-31 19:22:16 +0200 | [diff] [blame] | 116 | for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) { |
Vladimir Serbinenko | 33b535f | 2014-10-19 10:13:14 +0200 | [diff] [blame] | 117 | u8 int_pin=0; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 118 | |
| 119 | if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI) |
| 120 | continue; |
| 121 | |
| 122 | int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN); |
| 123 | |
Vladimir Serbinenko | 33b535f | 2014-10-19 10:13:14 +0200 | [diff] [blame] | 124 | if (int_pin == 0) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 125 | continue; |
| 126 | |
Vladimir Serbinenko | 33b535f | 2014-10-19 10:13:14 +0200 | [diff] [blame] | 127 | pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, pirq_routing); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 128 | } |
| 129 | } |
| 130 | |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 131 | static void pch_gpi_routing(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 132 | { |
| 133 | /* Get the chip configuration */ |
| 134 | config_t *config = dev->chip_info; |
| 135 | u32 reg32 = 0; |
| 136 | |
| 137 | /* An array would be much nicer here, or some |
| 138 | * other method of doing this. |
| 139 | */ |
| 140 | reg32 |= (config->gpi0_routing & 0x03) << 0; |
| 141 | reg32 |= (config->gpi1_routing & 0x03) << 2; |
| 142 | reg32 |= (config->gpi2_routing & 0x03) << 4; |
| 143 | reg32 |= (config->gpi3_routing & 0x03) << 6; |
| 144 | reg32 |= (config->gpi4_routing & 0x03) << 8; |
| 145 | reg32 |= (config->gpi5_routing & 0x03) << 10; |
| 146 | reg32 |= (config->gpi6_routing & 0x03) << 12; |
| 147 | reg32 |= (config->gpi7_routing & 0x03) << 14; |
| 148 | reg32 |= (config->gpi8_routing & 0x03) << 16; |
| 149 | reg32 |= (config->gpi9_routing & 0x03) << 18; |
| 150 | reg32 |= (config->gpi10_routing & 0x03) << 20; |
| 151 | reg32 |= (config->gpi11_routing & 0x03) << 22; |
| 152 | reg32 |= (config->gpi12_routing & 0x03) << 24; |
| 153 | reg32 |= (config->gpi13_routing & 0x03) << 26; |
| 154 | reg32 |= (config->gpi14_routing & 0x03) << 28; |
| 155 | reg32 |= (config->gpi15_routing & 0x03) << 30; |
| 156 | |
Kyösti Mälkki | b85a87b | 2014-12-29 11:32:27 +0200 | [diff] [blame] | 157 | pci_write_config32(dev, GPIO_ROUT, reg32); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 158 | } |
| 159 | |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 160 | static void pch_power_options(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 161 | { |
| 162 | u8 reg8; |
| 163 | u16 reg16, pmbase; |
| 164 | u32 reg32; |
| 165 | const char *state; |
| 166 | /* Get the chip configuration */ |
| 167 | config_t *config = dev->chip_info; |
| 168 | |
Nico Huber | 9faae2b | 2018-11-14 00:00:35 +0100 | [diff] [blame] | 169 | int pwr_on = CONFIG_MAINBOARD_POWER_FAILURE_STATE; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 170 | int nmi_option; |
| 171 | |
| 172 | /* Which state do we want to goto after g3 (power restored)? |
| 173 | * 0 == S0 Full On |
| 174 | * 1 == S5 Soft Off |
| 175 | * |
| 176 | * If the option is not existent (Laptops), use Kconfig setting. |
| 177 | */ |
| 178 | get_option(&pwr_on, "power_on_after_fail"); |
| 179 | |
| 180 | reg16 = pci_read_config16(dev, GEN_PMCON_3); |
| 181 | reg16 &= 0xfffe; |
| 182 | switch (pwr_on) { |
| 183 | case MAINBOARD_POWER_OFF: |
| 184 | reg16 |= 1; |
| 185 | state = "off"; |
| 186 | break; |
| 187 | case MAINBOARD_POWER_ON: |
| 188 | reg16 &= ~1; |
| 189 | state = "on"; |
| 190 | break; |
| 191 | case MAINBOARD_POWER_KEEP: |
| 192 | reg16 &= ~1; |
| 193 | state = "state keep"; |
| 194 | break; |
| 195 | default: |
| 196 | state = "undefined"; |
| 197 | } |
| 198 | |
| 199 | reg16 &= ~(3 << 4); /* SLP_S4# Assertion Stretch 4s */ |
| 200 | reg16 |= (1 << 3); /* SLP_S4# Assertion Stretch Enable */ |
| 201 | |
| 202 | reg16 &= ~(1 << 10); |
| 203 | reg16 |= (1 << 11); /* SLP_S3# Min Assertion Width 50ms */ |
| 204 | |
| 205 | reg16 |= (1 << 12); /* Disable SLP stretch after SUS well */ |
| 206 | |
| 207 | pci_write_config16(dev, GEN_PMCON_3, reg16); |
| 208 | printk(BIOS_INFO, "Set power %s after power failure.\n", state); |
| 209 | |
| 210 | /* Set up NMI on errors. */ |
| 211 | reg8 = inb(0x61); |
| 212 | reg8 &= 0x0f; /* Higher Nibble must be 0 */ |
| 213 | reg8 &= ~(1 << 3); /* IOCHK# NMI Enable */ |
| 214 | // reg8 &= ~(1 << 2); /* PCI SERR# Enable */ |
| 215 | reg8 |= (1 << 2); /* PCI SERR# Disable for now */ |
| 216 | outb(reg8, 0x61); |
| 217 | |
| 218 | reg8 = inb(0x70); |
| 219 | nmi_option = NMI_OFF; |
| 220 | get_option(&nmi_option, "nmi"); |
| 221 | if (nmi_option) { |
| 222 | printk(BIOS_INFO, "NMI sources enabled.\n"); |
| 223 | reg8 &= ~(1 << 7); /* Set NMI. */ |
| 224 | } else { |
| 225 | printk(BIOS_INFO, "NMI sources disabled.\n"); |
Elyes HAOUAS | 9c5d463 | 2018-04-26 22:21:21 +0200 | [diff] [blame] | 226 | reg8 |= (1 << 7); /* Can't mask NMI from PCI-E and NMI_NOW */ |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 227 | } |
| 228 | outb(reg8, 0x70); |
| 229 | |
| 230 | /* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */ |
| 231 | reg16 = pci_read_config16(dev, GEN_PMCON_1); |
| 232 | reg16 &= ~(3 << 0); // SMI# rate 1 minute |
| 233 | reg16 &= ~(1 << 10); // Disable BIOS_PCI_EXP_EN for native PME |
| 234 | #if DEBUG_PERIODIC_SMIS |
| 235 | /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using |
| 236 | * periodic SMIs. |
| 237 | */ |
| 238 | reg16 |= (3 << 0); // Periodic SMI every 8s |
| 239 | #endif |
| 240 | pci_write_config16(dev, GEN_PMCON_1, reg16); |
| 241 | |
| 242 | // Set the board's GPI routing. |
| 243 | pch_gpi_routing(dev); |
| 244 | |
| 245 | pmbase = pci_read_config16(dev, 0x40) & 0xfffe; |
| 246 | |
| 247 | outl(config->gpe0_en, pmbase + GPE0_EN); |
| 248 | outw(config->alt_gp_smi_en, pmbase + ALT_GP_SMI_EN); |
| 249 | |
| 250 | /* Set up power management block and determine sleep mode */ |
| 251 | reg32 = inl(pmbase + 0x04); // PM1_CNT |
| 252 | reg32 &= ~(7 << 10); // SLP_TYP |
| 253 | reg32 |= (1 << 0); // SCI_EN |
| 254 | outl(reg32, pmbase + 0x04); |
| 255 | |
| 256 | /* Clear magic status bits to prevent unexpected wake */ |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 257 | reg32 = RCBA32(PRSTS); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 258 | reg32 |= (1 << 4)|(1 << 5)|(1 << 0); |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 259 | RCBA32(PRSTS) = reg32; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 260 | |
| 261 | reg32 = RCBA32(0x3f02); |
| 262 | reg32 &= ~0xf; |
| 263 | RCBA32(0x3f02) = reg32; |
| 264 | } |
| 265 | |
Duncan Laurie | 3f6a4d7 | 2012-06-28 13:03:40 -0700 | [diff] [blame] | 266 | /* CougarPoint PCH Power Management init */ |
| 267 | static void cpt_pm_init(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 268 | { |
Duncan Laurie | 3f6a4d7 | 2012-06-28 13:03:40 -0700 | [diff] [blame] | 269 | printk(BIOS_DEBUG, "CougarPoint PM init\n"); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 270 | pci_write_config8(dev, 0xa9, 0x47); |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 271 | RCBA32_AND_OR(CIR30, ~0UL, (1 << 6)|(1 << 0)); |
| 272 | RCBA32_AND_OR(CIR5, ~0UL, (1 << 0)); |
| 273 | RCBA16_AND_OR(CIR3, ~0UL, (1 << 13)|(1 << 14)); |
| 274 | RCBA16_AND_OR(CIR2, ~0UL, (1 << 14)); |
| 275 | RCBA32(DMC) = 0xc0388400; |
| 276 | RCBA32_AND_OR(CIR6, ~0UL, (1 << 5)|(1 << 18)); |
| 277 | RCBA32_AND_OR(CIR9, ~0UL, (1 << 15)|(1 << 1)); |
| 278 | RCBA32_AND_OR(CIR7, ~0x1f, 0xf); |
| 279 | RCBA32(PM_CFG) = 0x050f0000; |
| 280 | RCBA32(CIR8) = 0x04000000; |
| 281 | RCBA32_AND_OR(CIR10, ~0UL, 0xfffff); |
| 282 | RCBA32_AND_OR(CIR11, ~0UL, (1 << 1)); |
| 283 | RCBA32(CIR12) = 0x0001c000; |
| 284 | RCBA32(CIR14) = 0x00061100; |
| 285 | RCBA32(CIR15) = 0x7f8fdfff; |
| 286 | RCBA32(CIR13) = 0x000003fc; |
| 287 | RCBA32(CIR16) = 0x00001000; |
| 288 | RCBA32(CIR18) = 0x0001c000; |
| 289 | RCBA32(CIR17) = 0x00000800; |
| 290 | RCBA32(CIR23) = 0x00001000; |
| 291 | RCBA32(CIR19) = 0x00093900; |
| 292 | RCBA32(CIR20) = 0x24653002; |
| 293 | RCBA32(CIR21) = 0x062108fe; |
| 294 | RCBA32_AND_OR(CIR22, 0xf000f000, 0x00670060); |
| 295 | RCBA32(CIR24) = 0x01010000; |
| 296 | RCBA32(CIR25) = 0x01010404; |
| 297 | RCBA32(CIR27) = 0x01041041; |
| 298 | RCBA32_AND_OR(CIR28, ~0x0000ffff, 0x00001001); |
| 299 | RCBA32_AND_OR(CIR28, ~0UL, (1 << 24)); /* SATA 2/3 disabled */ |
| 300 | RCBA32_AND_OR(CIR29, ~0UL, (1 << 0)); /* SATA 4/5 disabled */ |
| 301 | RCBA32(CIR26) = 0x00000001; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 302 | RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c); |
| 303 | RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20); |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 304 | RCBA32(PMSYNC_CFG) = 0; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 305 | RCBA32_AND_OR(0x21b0, ~0UL, 0xf); |
| 306 | } |
| 307 | |
Duncan Laurie | 3f6a4d7 | 2012-06-28 13:03:40 -0700 | [diff] [blame] | 308 | /* PantherPoint PCH Power Management init */ |
| 309 | static void ppt_pm_init(struct device *dev) |
| 310 | { |
| 311 | printk(BIOS_DEBUG, "PantherPoint PM init\n"); |
| 312 | pci_write_config8(dev, 0xa9, 0x47); |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 313 | RCBA32_AND_OR(CIR30, ~0UL, (1 << 0)); |
| 314 | RCBA32_AND_OR(CIR5, ~0UL, (1 << 0)); |
| 315 | RCBA16_AND_OR(CIR3, ~0UL, (1 << 13)|(1 << 14)); |
| 316 | RCBA16_AND_OR(CIR2, ~0UL, (1 << 14)); |
| 317 | RCBA32(DMC) = 0xc03b8400; |
| 318 | RCBA32_AND_OR(CIR6, ~0UL, (1 << 5)|(1 << 18)); |
| 319 | RCBA32_AND_OR(CIR9, ~0UL, (1 << 15)|(1 << 1)); |
| 320 | RCBA32_AND_OR(CIR7, ~0x1f, 0xf); |
| 321 | RCBA32(PM_CFG) = 0x054f0000; |
| 322 | RCBA32(CIR8) = 0x04000000; |
| 323 | RCBA32_AND_OR(CIR10, ~0UL, 0xfffff); |
| 324 | RCBA32_AND_OR(CIR11, ~0UL, (1 << 1)|(1 << 0)); |
| 325 | RCBA32(CIR12) = 0x0001c000; |
| 326 | RCBA32(CIR14) = 0x00061100; |
| 327 | RCBA32(CIR15) = 0x7f8fdfff; |
| 328 | RCBA32(CIR13) = 0x000003fd; |
| 329 | RCBA32(CIR16) = 0x00001000; |
| 330 | RCBA32(CIR18) = 0x0001c000; |
| 331 | RCBA32(CIR17) = 0x00000800; |
| 332 | RCBA32(CIR23) = 0x00001000; |
| 333 | RCBA32(CIR19) = 0x00093900; |
| 334 | RCBA32(CIR20) = 0x24653002; |
| 335 | RCBA32(CIR21) = 0x067388fe; |
| 336 | RCBA32_AND_OR(CIR22, 0xf000f000, 0x00670060); |
| 337 | RCBA32(CIR24) = 0x01010000; |
| 338 | RCBA32(CIR25) = 0x01010404; |
| 339 | RCBA32(CIR27) = 0x01040000; |
| 340 | RCBA32_AND_OR(CIR28, ~0x0000ffff, 0x00001001); |
| 341 | RCBA32_AND_OR(CIR28, ~0UL, (1 << 24)); /* SATA 2/3 disabled */ |
| 342 | RCBA32_AND_OR(CIR29, ~0UL, (1 << 0)); /* SATA 4/5 disabled */ |
| 343 | RCBA32(CIR26) = 0x00000001; |
Duncan Laurie | 3f6a4d7 | 2012-06-28 13:03:40 -0700 | [diff] [blame] | 344 | RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c); |
| 345 | RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20); |
| 346 | RCBA32_AND_OR(0x33a4, ~0UL, (1 << 0)); |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 347 | RCBA32(PMSYNC_CFG) = 0; |
Duncan Laurie | 3f6a4d7 | 2012-06-28 13:03:40 -0700 | [diff] [blame] | 348 | RCBA32_AND_OR(0x21b0, ~0UL, 0xf); |
| 349 | } |
| 350 | |
Nico Huber | b2dae79 | 2015-10-26 12:34:02 +0100 | [diff] [blame] | 351 | static void enable_hpet(struct device *const dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 352 | { |
| 353 | u32 reg32; |
Nico Huber | b2dae79 | 2015-10-26 12:34:02 +0100 | [diff] [blame] | 354 | size_t i; |
| 355 | |
| 356 | /* Assign unique bus/dev/fn for each HPET */ |
| 357 | for (i = 0; i < 8; ++i) |
| 358 | pci_write_config16(dev, LPC_HnBDF(i), |
| 359 | PCH_HPET_PCI_BUS << 8 | PCH_HPET_PCI_SLOT << 3 | i); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 360 | |
| 361 | /* Move HPET to default address 0xfed00000 and enable it */ |
| 362 | reg32 = RCBA32(HPTC); |
| 363 | reg32 |= (1 << 7); // HPET Address Enable |
| 364 | reg32 &= ~(3 << 0); |
| 365 | RCBA32(HPTC) = reg32; |
| 366 | } |
| 367 | |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 368 | static void enable_clock_gating(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 369 | { |
| 370 | u32 reg32; |
| 371 | u16 reg16; |
| 372 | |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 373 | RCBA32_AND_OR(DMIC, ~0UL, 0xf); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 374 | |
| 375 | reg16 = pci_read_config16(dev, GEN_PMCON_1); |
Michał Żygowski | 9ff2af2 | 2020-04-13 20:37:36 +0200 | [diff] [blame] | 376 | reg16 &= ~(3 << 2); /* Clear CLKRUN bits for mobile and desktop */ |
| 377 | if (get_platform_type() == PLATFORM_MOBILE) |
| 378 | reg16 |= (1 << 2); /* CLKRUN_EN for mobile */ |
| 379 | else if (get_platform_type() == PLATFORM_DESKTOP_SERVER) |
| 380 | reg16 |= (1 << 3); /* PSEUDO_CLKRUN_EN for desktop */ |
| 381 | reg16 |= (1 << 11); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 382 | pci_write_config16(dev, GEN_PMCON_1, reg16); |
| 383 | |
| 384 | pch_iobp_update(0xEB007F07, ~0UL, (1 << 31)); |
| 385 | pch_iobp_update(0xEB004000, ~0UL, (1 << 7)); |
| 386 | pch_iobp_update(0xEC007F07, ~0UL, (1 << 31)); |
| 387 | pch_iobp_update(0xEC004000, ~0UL, (1 << 7)); |
| 388 | |
| 389 | reg32 = RCBA32(CG); |
| 390 | reg32 |= (1 << 31); |
| 391 | reg32 |= (1 << 29) | (1 << 28); |
| 392 | reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24); |
| 393 | reg32 |= (1 << 16); |
| 394 | reg32 |= (1 << 17); |
| 395 | reg32 |= (1 << 18); |
| 396 | reg32 |= (1 << 22); |
| 397 | reg32 |= (1 << 23); |
| 398 | reg32 &= ~(1 << 20); |
| 399 | reg32 |= (1 << 19); |
| 400 | reg32 |= (1 << 0); |
| 401 | reg32 |= (0xf << 1); |
| 402 | RCBA32(CG) = reg32; |
| 403 | |
| 404 | RCBA32_OR(0x38c0, 0x7); |
| 405 | RCBA32_OR(0x36d4, 0x6680c004); |
| 406 | RCBA32_OR(0x3564, 0x3); |
| 407 | } |
| 408 | |
Vladimir Serbinenko | a3e41c0 | 2015-05-28 16:04:17 +0200 | [diff] [blame] | 409 | static void pch_set_acpi_mode(void) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 410 | { |
Julius Werner | 5d1f9a0 | 2019-03-07 17:07:26 -0800 | [diff] [blame] | 411 | if (!acpi_is_wakeup_s3() && CONFIG(HAVE_SMI_HANDLER)) { |
Duncan Laurie | 95be1d6 | 2012-04-09 12:31:43 -0700 | [diff] [blame] | 412 | printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n"); |
Vladimir Serbinenko | a3e41c0 | 2015-05-28 16:04:17 +0200 | [diff] [blame] | 413 | outb(APM_CNT_ACPI_DISABLE, APM_CNT); // Disable ACPI mode |
Duncan Laurie | 95be1d6 | 2012-04-09 12:31:43 -0700 | [diff] [blame] | 414 | printk(BIOS_DEBUG, "done.\n"); |
Duncan Laurie | 95be1d6 | 2012-04-09 12:31:43 -0700 | [diff] [blame] | 415 | } |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 416 | } |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 417 | |
| 418 | static void pch_disable_smm_only_flashing(struct device *dev) |
| 419 | { |
| 420 | u8 reg8; |
| 421 | |
| 422 | printk(BIOS_SPEW, "Enabling BIOS updates outside of SMM... "); |
Elyes HAOUAS | 0c22d2f | 2018-12-01 12:19:52 +0100 | [diff] [blame] | 423 | reg8 = pci_read_config8(dev, BIOS_CNTL); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 424 | reg8 &= ~(1 << 5); |
Elyes HAOUAS | 0c22d2f | 2018-12-01 12:19:52 +0100 | [diff] [blame] | 425 | pci_write_config8(dev, BIOS_CNTL, reg8); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | static void pch_fixups(struct device *dev) |
| 429 | { |
| 430 | u8 gen_pmcon_2; |
| 431 | |
| 432 | /* Indicate DRAM init done for MRC S3 to know it can resume */ |
| 433 | gen_pmcon_2 = pci_read_config8(dev, GEN_PMCON_2); |
| 434 | gen_pmcon_2 |= (1 << 7); |
| 435 | pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2); |
| 436 | |
| 437 | /* |
| 438 | * Enable DMI ASPM in the PCH |
| 439 | */ |
Patrick Rudolph | 4f8b108 | 2019-07-14 11:54:58 +0200 | [diff] [blame] | 440 | RCBA32_AND_OR(DMC, ~(1 << 10), 0); |
| 441 | RCBA32_OR(LCAP, (1 << 11)|(1 << 10)); |
| 442 | RCBA32_OR(LCTL, 0x3); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 443 | } |
| 444 | |
Nico Huber | 7b2f9f6 | 2015-10-01 19:00:51 +0200 | [diff] [blame] | 445 | static void pch_spi_init(const struct device *const dev) |
| 446 | { |
| 447 | const config_t *const config = dev->chip_info; |
| 448 | |
Elyes HAOUAS | bfc255a | 2020-03-07 13:05:14 +0100 | [diff] [blame] | 449 | printk(BIOS_DEBUG, "%s\n", __func__); |
Nico Huber | 7b2f9f6 | 2015-10-01 19:00:51 +0200 | [diff] [blame] | 450 | |
| 451 | if (config->spi_uvscc) |
| 452 | RCBA32(0x3800 + 0xc8) = config->spi_uvscc; |
| 453 | if (config->spi_lvscc) |
| 454 | RCBA32(0x3800 + 0xc4) = config->spi_lvscc; |
| 455 | |
| 456 | if (config->spi_uvscc || config->spi_lvscc) |
| 457 | RCBA32_OR(0x3800 + 0xc4, 1 << 23); /* lock both UVSCC + LVSCC */ |
| 458 | } |
| 459 | |
Patrick Rudolph | ef8c559 | 2018-07-27 17:48:27 +0200 | [diff] [blame] | 460 | static const struct { |
| 461 | u16 dev_id; |
| 462 | const char *dev_name; |
| 463 | } pch_table[] = { |
| 464 | /* 6-series PCI ids from |
| 465 | * Intel® 6 Series Chipset and |
| 466 | * Intel® C200 Series Chipset |
| 467 | * Specification Update - NDA |
| 468 | * October 2013 |
| 469 | * CDI / IBP#: 440377 |
| 470 | */ |
| 471 | {0x1C41, "SFF Sample"}, |
| 472 | {0x1C42, "Desktop Sample"}, |
| 473 | {0x1C43, "Mobile Sample"}, |
| 474 | {0x1C44, "Z68"}, |
| 475 | {0x1C46, "P67"}, |
| 476 | {0x1C47, "UM67"}, |
| 477 | {0x1C49, "HM65"}, |
| 478 | {0x1C4A, "H67"}, |
| 479 | {0x1C4B, "HM67"}, |
| 480 | {0x1C4C, "Q65"}, |
| 481 | {0x1C4D, "QS67"}, |
| 482 | {0x1C4E, "Q67"}, |
| 483 | {0x1C4F, "QM67"}, |
| 484 | {0x1C50, "B65"}, |
| 485 | {0x1C52, "C202"}, |
| 486 | {0x1C54, "C204"}, |
| 487 | {0x1C56, "C206"}, |
| 488 | {0x1C5C, "H61"}, |
| 489 | /* 7-series PCI ids from Intel document 472178 */ |
| 490 | {0x1E41, "Desktop Sample"}, |
| 491 | {0x1E42, "Mobile Sample"}, |
| 492 | {0x1E43, "SFF Sample"}, |
| 493 | {0x1E44, "Z77"}, |
| 494 | {0x1E45, "H71"}, |
| 495 | {0x1E46, "Z75"}, |
| 496 | {0x1E47, "Q77"}, |
| 497 | {0x1E48, "Q75"}, |
| 498 | {0x1E49, "B75"}, |
| 499 | {0x1E4A, "H77"}, |
| 500 | {0x1E53, "C216"}, |
| 501 | {0x1E55, "QM77"}, |
| 502 | {0x1E56, "QS77"}, |
| 503 | {0x1E58, "UM77"}, |
| 504 | {0x1E57, "HM77"}, |
| 505 | {0x1E59, "HM76"}, |
| 506 | {0x1E5D, "HM75"}, |
| 507 | {0x1E5E, "HM70"}, |
| 508 | {0x1E5F, "NM70"}, |
| 509 | }; |
| 510 | |
| 511 | static void report_pch_info(struct device *dev) |
| 512 | { |
| 513 | const u16 dev_id = pci_read_config16(dev, PCI_DEVICE_ID); |
| 514 | int i; |
| 515 | |
| 516 | const char *pch_type = "Unknown"; |
| 517 | for (i = 0; i < ARRAY_SIZE(pch_table); i++) { |
| 518 | if (pch_table[i].dev_id == dev_id) { |
| 519 | pch_type = pch_table[i].dev_name; |
| 520 | break; |
| 521 | } |
| 522 | } |
| 523 | printk(BIOS_INFO, "PCH: detected %s, device id: 0x%x, rev id 0x%x\n", |
| 524 | pch_type, dev_id, pci_read_config8(dev, PCI_CLASS_REVISION)); |
| 525 | } |
| 526 | |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 527 | static void lpc_init(struct device *dev) |
| 528 | { |
Elyes HAOUAS | bfc255a | 2020-03-07 13:05:14 +0100 | [diff] [blame] | 529 | printk(BIOS_DEBUG, "pch: %s\n", __func__); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 530 | |
Patrick Rudolph | ef8c559 | 2018-07-27 17:48:27 +0200 | [diff] [blame] | 531 | /* Print detected platform */ |
| 532 | report_pch_info(dev); |
| 533 | |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 534 | /* Set the value for PCI command register. */ |
| 535 | pci_write_config16(dev, PCI_COMMAND, 0x000f); |
| 536 | |
| 537 | /* IO APIC initialization. */ |
Paul Menzel | 9c50e6a | 2013-05-03 12:23:39 +0200 | [diff] [blame] | 538 | pch_enable_ioapic(dev); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 539 | |
| 540 | pch_enable_serial_irqs(dev); |
| 541 | |
| 542 | /* Setup the PIRQ. */ |
| 543 | pch_pirq_init(dev); |
| 544 | |
| 545 | /* Setup power options. */ |
| 546 | pch_power_options(dev); |
| 547 | |
| 548 | /* Initialize power management */ |
Duncan Laurie | 3f6a4d7 | 2012-06-28 13:03:40 -0700 | [diff] [blame] | 549 | switch (pch_silicon_type()) { |
| 550 | case PCH_TYPE_CPT: /* CougarPoint */ |
| 551 | cpt_pm_init(dev); |
| 552 | break; |
| 553 | case PCH_TYPE_PPT: /* PantherPoint */ |
| 554 | ppt_pm_init(dev); |
| 555 | break; |
| 556 | default: |
| 557 | printk(BIOS_ERR, "Unknown Chipset: 0x%04x\n", dev->device); |
| 558 | } |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 559 | |
| 560 | /* Set the state of the GPIO lines. */ |
| 561 | //gpio_init(dev); |
| 562 | |
| 563 | /* Initialize the real time clock. */ |
Patrick Rudolph | 6b93112 | 2018-11-01 17:48:37 +0100 | [diff] [blame] | 564 | sb_rtc_init(); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 565 | |
| 566 | /* Initialize ISA DMA. */ |
| 567 | isa_dma_init(); |
| 568 | |
| 569 | /* Initialize the High Precision Event Timers, if present. */ |
Nico Huber | b2dae79 | 2015-10-26 12:34:02 +0100 | [diff] [blame] | 570 | enable_hpet(dev); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 571 | |
| 572 | /* Initialize Clock Gating */ |
| 573 | enable_clock_gating(dev); |
| 574 | |
| 575 | setup_i8259(); |
| 576 | |
| 577 | /* The OS should do this? */ |
| 578 | /* Interrupt 9 should be level triggered (SCI) */ |
| 579 | i8259_configure_irq_trigger(9, 1); |
| 580 | |
| 581 | pch_disable_smm_only_flashing(dev); |
| 582 | |
Vladimir Serbinenko | a3e41c0 | 2015-05-28 16:04:17 +0200 | [diff] [blame] | 583 | pch_set_acpi_mode(); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 584 | |
| 585 | pch_fixups(dev); |
Nico Huber | 7b2f9f6 | 2015-10-01 19:00:51 +0200 | [diff] [blame] | 586 | |
| 587 | pch_spi_init(dev); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 588 | } |
| 589 | |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 590 | static void pch_lpc_read_resources(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 591 | { |
| 592 | struct resource *res; |
Marc Jones | a0bec17 | 2012-07-13 14:14:34 -0600 | [diff] [blame] | 593 | config_t *config = dev->chip_info; |
| 594 | u8 io_index = 0; |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 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. */ |
Marc Jones | a0bec17 | 2012-07-13 14:14:34 -0600 | [diff] [blame] | 600 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 601 | res->base = 0; |
| 602 | res->size = 0x1000; |
| 603 | res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | |
| 604 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 605 | |
Marc Jones | a0bec17 | 2012-07-13 14:14:34 -0600 | [diff] [blame] | 606 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
Vladimir Serbinenko | 0650cd0 | 2014-02-05 15:03:50 +0100 | [diff] [blame] | 607 | res->base = 0xff000000; |
| 608 | /* Some systems (e.g. X230) have 12 MiB flash. |
| 609 | SPI controller supports up to 2 x 16 MiB of flash but |
| 610 | address map limits this to 16MiB. */ |
| 611 | res->size = 0x01000000; /* 16 MB for flash */ |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 612 | res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | |
| 613 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 614 | |
| 615 | res = new_resource(dev, 3); /* IOAPIC */ |
| 616 | res->base = IO_APIC_ADDR; |
| 617 | res->size = 0x00001000; |
| 618 | res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
Marc Jones | a0bec17 | 2012-07-13 14:14:34 -0600 | [diff] [blame] | 619 | |
| 620 | /* Set PCH IO decode ranges if required.*/ |
| 621 | if ((config->gen1_dec & 0xFFFC) > 0x1000) { |
| 622 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
| 623 | res->base = config->gen1_dec & 0xFFFC; |
| 624 | res->size = (config->gen1_dec >> 16) & 0xFC; |
| 625 | res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | |
| 626 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 627 | } |
| 628 | |
| 629 | if ((config->gen2_dec & 0xFFFC) > 0x1000) { |
| 630 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
| 631 | res->base = config->gen2_dec & 0xFFFC; |
| 632 | res->size = (config->gen2_dec >> 16) & 0xFC; |
| 633 | res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | |
| 634 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 635 | } |
| 636 | |
| 637 | if ((config->gen3_dec & 0xFFFC) > 0x1000) { |
| 638 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
| 639 | res->base = config->gen3_dec & 0xFFFC; |
| 640 | res->size = (config->gen3_dec >> 16) & 0xFC; |
| 641 | res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | |
| 642 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 643 | } |
| 644 | |
| 645 | if ((config->gen4_dec & 0xFFFC) > 0x1000) { |
| 646 | res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); |
| 647 | res->base = config->gen4_dec & 0xFFFC; |
| 648 | res->size = (config->gen4_dec >> 16) & 0xFC; |
| 649 | res->flags = IORESOURCE_IO| IORESOURCE_SUBTRACTIVE | |
| 650 | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; |
| 651 | } |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 652 | } |
| 653 | |
Elyes HAOUAS | 4aec340 | 2018-05-25 08:29:27 +0200 | [diff] [blame] | 654 | static void pch_lpc_enable(struct device *dev) |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 655 | { |
| 656 | /* Enable PCH Display Port */ |
| 657 | RCBA16(DISPBDF) = 0x0010; |
| 658 | RCBA32_OR(FD2, PCH_ENABLE_DBDF); |
| 659 | |
| 660 | pch_enable(dev); |
| 661 | } |
| 662 | |
Furquan Shaikh | 338fd9a | 2020-04-24 22:57:05 -0700 | [diff] [blame] | 663 | static void southbridge_inject_dsdt(const struct device *dev) |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 664 | { |
Elyes HAOUAS | 035df00 | 2016-10-03 21:54:16 +0200 | [diff] [blame] | 665 | global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs)); |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 666 | |
| 667 | if (gnvs) { |
Elyes HAOUAS | 035df00 | 2016-10-03 21:54:16 +0200 | [diff] [blame] | 668 | memset(gnvs, 0, sizeof(*gnvs)); |
Vladimir Serbinenko | 7309c64 | 2014-10-05 11:07:33 +0200 | [diff] [blame] | 669 | |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 670 | acpi_create_gnvs(gnvs); |
Vladimir Serbinenko | 06c788d | 2014-10-12 00:17:11 +0200 | [diff] [blame] | 671 | |
| 672 | gnvs->apic = 1; |
| 673 | gnvs->mpen = 1; /* Enable Multi Processing */ |
| 674 | gnvs->pcnt = dev_count_cpu(); |
| 675 | |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 676 | #if CONFIG(CHROMEOS) |
Joel Kitching | 6fbd874 | 2018-08-23 14:56:25 +0800 | [diff] [blame] | 677 | chromeos_init_chromeos_acpi(&(gnvs->chromeos)); |
Vladimir Serbinenko | 06c788d | 2014-10-12 00:17:11 +0200 | [diff] [blame] | 678 | #endif |
| 679 | |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 680 | /* And tell SMI about it */ |
| 681 | smm_setup_structures(gnvs, NULL, NULL); |
| 682 | |
Vladimir Serbinenko | 334fd8e | 2014-10-05 11:10:35 +0200 | [diff] [blame] | 683 | /* Add it to DSDT. */ |
Vladimir Serbinenko | 226d784 | 2014-11-04 21:09:23 +0100 | [diff] [blame] | 684 | acpigen_write_scope("\\"); |
| 685 | acpigen_write_name_dword("NVSA", (u32) gnvs); |
| 686 | acpigen_pop_len(); |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 687 | } |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 688 | } |
| 689 | |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 690 | void acpi_fill_fadt(acpi_fadt_t *fadt) |
| 691 | { |
Kyösti Mälkki | c70eed1 | 2018-05-22 02:18:00 +0300 | [diff] [blame] | 692 | struct device *dev = pcidev_on_root(0x1f, 0); |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 693 | config_t *chip = dev->chip_info; |
| 694 | u16 pmbase = pci_read_config16(dev, 0x40) & 0xfffe; |
| 695 | int c2_latency; |
| 696 | |
Elyes HAOUAS | 0d4de2a | 2019-02-28 13:04:29 +0100 | [diff] [blame] | 697 | fadt->reserved = 0; |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 698 | |
| 699 | fadt->sci_int = 0x9; |
Kyösti Mälkki | c328a68 | 2019-11-23 07:23:40 +0200 | [diff] [blame] | 700 | |
Kyösti Mälkki | 0a9e72e | 2019-08-11 01:22:28 +0300 | [diff] [blame] | 701 | if (permanent_smi_handler()) { |
Kyösti Mälkki | c328a68 | 2019-11-23 07:23:40 +0200 | [diff] [blame] | 702 | fadt->smi_cmd = APM_CNT; |
| 703 | fadt->acpi_enable = APM_CNT_ACPI_ENABLE; |
| 704 | fadt->acpi_disable = APM_CNT_ACPI_DISABLE; |
| 705 | } |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 706 | |
| 707 | fadt->pm1a_evt_blk = pmbase; |
| 708 | fadt->pm1b_evt_blk = 0x0; |
| 709 | fadt->pm1a_cnt_blk = pmbase + 0x4; |
| 710 | fadt->pm1b_cnt_blk = 0x0; |
| 711 | fadt->pm2_cnt_blk = pmbase + 0x50; |
| 712 | fadt->pm_tmr_blk = pmbase + 0x8; |
| 713 | fadt->gpe0_blk = pmbase + 0x20; |
| 714 | fadt->gpe1_blk = 0; |
| 715 | |
| 716 | fadt->pm1_evt_len = 4; |
| 717 | fadt->pm1_cnt_len = 2; |
| 718 | fadt->pm2_cnt_len = 1; |
| 719 | fadt->pm_tmr_len = 4; |
| 720 | fadt->gpe0_blk_len = 16; |
| 721 | fadt->gpe1_blk_len = 0; |
| 722 | fadt->gpe1_base = 0; |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 723 | c2_latency = chip->c2_latency; |
| 724 | if (!c2_latency) { |
| 725 | c2_latency = 101; /* c2 unsupported */ |
| 726 | } |
| 727 | fadt->p_lvl2_lat = c2_latency; |
| 728 | fadt->p_lvl3_lat = 87; |
Patrick Rudolph | 78e8db1 | 2019-07-19 16:31:37 +0200 | [diff] [blame] | 729 | /* flush_* is ignored if ACPI_FADT_WBINVD is set */ |
| 730 | fadt->flush_size = 0; |
| 731 | fadt->flush_stride = 0; |
Patrick Rudolph | b30a47b | 2019-07-15 18:04:23 +0200 | [diff] [blame] | 732 | /* P_CNT not supported */ |
| 733 | fadt->duty_offset = 0; |
| 734 | fadt->duty_width = 0; |
Vladimir Serbinenko | 5b044ae | 2014-10-25 15:20:55 +0200 | [diff] [blame] | 735 | fadt->day_alrm = 0xd; |
| 736 | fadt->mon_alrm = 0x00; |
| 737 | fadt->century = 0x00; |
| 738 | fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042; |
| 739 | |
| 740 | fadt->flags = ACPI_FADT_WBINVD | |
| 741 | ACPI_FADT_C1_SUPPORTED | |
| 742 | ACPI_FADT_SLEEP_BUTTON | |
| 743 | ACPI_FADT_RESET_REGISTER | |
| 744 | ACPI_FADT_SEALED_CASE | |
| 745 | ACPI_FADT_S4_RTC_WAKE | |
| 746 | ACPI_FADT_PLATFORM_CLOCK; |
| 747 | if (chip->docking_supported) { |
| 748 | fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED; |
| 749 | } |
| 750 | if (c2_latency < 100) { |
| 751 | fadt->flags |= ACPI_FADT_C2_MP_SUPPORTED; |
| 752 | } |
| 753 | |
| 754 | fadt->reset_reg.space_id = 1; |
| 755 | fadt->reset_reg.bit_width = 8; |
| 756 | fadt->reset_reg.bit_offset = 0; |
| 757 | fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
| 758 | fadt->reset_reg.addrl = 0xcf9; |
| 759 | fadt->reset_reg.addrh = 0; |
| 760 | |
| 761 | fadt->reset_value = 6; |
| 762 | |
| 763 | fadt->x_pm1a_evt_blk.space_id = 1; |
| 764 | fadt->x_pm1a_evt_blk.bit_width = 32; |
| 765 | fadt->x_pm1a_evt_blk.bit_offset = 0; |
| 766 | fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 767 | fadt->x_pm1a_evt_blk.addrl = pmbase; |
| 768 | fadt->x_pm1a_evt_blk.addrh = 0x0; |
| 769 | |
| 770 | fadt->x_pm1b_evt_blk.space_id = 1; |
| 771 | fadt->x_pm1b_evt_blk.bit_width = 0; |
| 772 | fadt->x_pm1b_evt_blk.bit_offset = 0; |
| 773 | fadt->x_pm1b_evt_blk.access_size = 0; |
| 774 | fadt->x_pm1b_evt_blk.addrl = 0x0; |
| 775 | fadt->x_pm1b_evt_blk.addrh = 0x0; |
| 776 | |
| 777 | fadt->x_pm1a_cnt_blk.space_id = 1; |
| 778 | fadt->x_pm1a_cnt_blk.bit_width = 16; |
| 779 | fadt->x_pm1a_cnt_blk.bit_offset = 0; |
| 780 | fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; |
| 781 | fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4; |
| 782 | fadt->x_pm1a_cnt_blk.addrh = 0x0; |
| 783 | |
| 784 | fadt->x_pm1b_cnt_blk.space_id = 1; |
| 785 | fadt->x_pm1b_cnt_blk.bit_width = 0; |
| 786 | fadt->x_pm1b_cnt_blk.bit_offset = 0; |
| 787 | fadt->x_pm1b_cnt_blk.access_size = 0; |
| 788 | fadt->x_pm1b_cnt_blk.addrl = 0x0; |
| 789 | fadt->x_pm1b_cnt_blk.addrh = 0x0; |
| 790 | |
| 791 | fadt->x_pm2_cnt_blk.space_id = 1; |
| 792 | fadt->x_pm2_cnt_blk.bit_width = 8; |
| 793 | fadt->x_pm2_cnt_blk.bit_offset = 0; |
| 794 | fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
| 795 | fadt->x_pm2_cnt_blk.addrl = pmbase + 0x50; |
| 796 | fadt->x_pm2_cnt_blk.addrh = 0x0; |
| 797 | |
| 798 | fadt->x_pm_tmr_blk.space_id = 1; |
| 799 | fadt->x_pm_tmr_blk.bit_width = 32; |
| 800 | fadt->x_pm_tmr_blk.bit_offset = 0; |
| 801 | fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 802 | fadt->x_pm_tmr_blk.addrl = pmbase + 0x8; |
| 803 | fadt->x_pm_tmr_blk.addrh = 0x0; |
| 804 | |
| 805 | fadt->x_gpe0_blk.space_id = 1; |
| 806 | fadt->x_gpe0_blk.bit_width = 128; |
| 807 | fadt->x_gpe0_blk.bit_offset = 0; |
| 808 | fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| 809 | fadt->x_gpe0_blk.addrl = pmbase + 0x20; |
| 810 | fadt->x_gpe0_blk.addrh = 0x0; |
| 811 | |
| 812 | fadt->x_gpe1_blk.space_id = 1; |
| 813 | fadt->x_gpe1_blk.bit_width = 0; |
| 814 | fadt->x_gpe1_blk.bit_offset = 0; |
| 815 | fadt->x_gpe1_blk.access_size = 0; |
| 816 | fadt->x_gpe1_blk.addrl = 0x0; |
| 817 | fadt->x_gpe1_blk.addrh = 0x0; |
| 818 | } |
| 819 | |
Aaron Durbin | aa090cb | 2017-09-13 16:01:52 -0600 | [diff] [blame] | 820 | static const char *lpc_acpi_name(const struct device *dev) |
Patrick Rudolph | 604f698 | 2017-06-07 09:46:52 +0200 | [diff] [blame] | 821 | { |
| 822 | return "LPCB"; |
| 823 | } |
| 824 | |
Furquan Shaikh | 7536a39 | 2020-04-24 21:59:21 -0700 | [diff] [blame] | 825 | static void southbridge_fill_ssdt(const struct device *device) |
Vladimir Serbinenko | 36fa5b8 | 2014-10-28 23:43:20 +0100 | [diff] [blame] | 826 | { |
Kyösti Mälkki | c70eed1 | 2018-05-22 02:18:00 +0300 | [diff] [blame] | 827 | struct device *dev = pcidev_on_root(0x1f, 0); |
Vladimir Serbinenko | 36fa5b8 | 2014-10-28 23:43:20 +0100 | [diff] [blame] | 828 | config_t *chip = dev->chip_info; |
| 829 | |
| 830 | intel_acpi_pcie_hotplug_generator(chip->pcie_hotplug_map, 8); |
Tobias Diedrich | 7f5efd9 | 2017-12-14 00:29:01 +0100 | [diff] [blame] | 831 | intel_acpi_gen_def_acpi_pirq(dev); |
Vladimir Serbinenko | 36fa5b8 | 2014-10-28 23:43:20 +0100 | [diff] [blame] | 832 | } |
| 833 | |
Vladimir Serbinenko | b06a249 | 2015-05-21 10:32:59 +0200 | [diff] [blame] | 834 | static void lpc_final(struct device *dev) |
| 835 | { |
Arthur Heymans | ebf201b | 2019-05-28 13:51:36 +0200 | [diff] [blame] | 836 | spi_finalize_ops(); |
Nico Huber | 8e50b6d | 2018-02-04 15:52:18 +0100 | [diff] [blame] | 837 | |
Bill XIE | d533b16 | 2017-08-22 16:26:22 +0800 | [diff] [blame] | 838 | /* Call SMM finalize() handlers before resume */ |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 839 | if (CONFIG(HAVE_SMI_HANDLER)) { |
| 840 | if (CONFIG(INTEL_CHIPSET_LOCKDOWN) || |
Bill XIE | d533b16 | 2017-08-22 16:26:22 +0800 | [diff] [blame] | 841 | acpi_is_wakeup_s3()) { |
| 842 | outb(APM_CNT_FINALIZE, APM_CNT); |
| 843 | } |
Vladimir Serbinenko | b06a249 | 2015-05-21 10:32:59 +0200 | [diff] [blame] | 844 | } |
| 845 | } |
| 846 | |
Arthur Heymans | ebf201b | 2019-05-28 13:51:36 +0200 | [diff] [blame] | 847 | void intel_southbridge_override_spi( |
| 848 | struct intel_swseq_spi_config *spi_config) |
| 849 | { |
| 850 | struct device *dev = pcidev_on_root(0x1f, 0); |
| 851 | |
| 852 | if (!dev) |
| 853 | return; |
| 854 | /* Devicetree may override defaults. */ |
| 855 | const config_t *const config = dev->chip_info; |
| 856 | |
| 857 | if (!config) |
| 858 | return; |
| 859 | |
| 860 | if (config->spi.ops[0].op != 0) |
| 861 | memcpy(spi_config, &config->spi, sizeof(*spi_config)); |
| 862 | } |
| 863 | |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 864 | static struct pci_operations pci_ops = { |
Subrata Banik | 4a0f071 | 2019-03-20 14:29:47 +0530 | [diff] [blame] | 865 | .set_subsystem = pci_dev_set_subsystem, |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 866 | }; |
| 867 | |
| 868 | static struct device_operations device_ops = { |
| 869 | .read_resources = pch_lpc_read_resources, |
| 870 | .set_resources = pci_dev_set_resources, |
Arthur Heymans | 3cde494 | 2019-08-18 10:02:10 +0200 | [diff] [blame] | 871 | .enable_resources = pci_dev_enable_resources, |
Vladimir Serbinenko | 35c0f43 | 2014-09-02 22:25:36 +0200 | [diff] [blame] | 872 | .write_acpi_tables = acpi_write_hpet, |
Nico Huber | 68680dd | 2020-03-31 17:34:52 +0200 | [diff] [blame] | 873 | .acpi_inject_dsdt = southbridge_inject_dsdt, |
| 874 | .acpi_fill_ssdt = southbridge_fill_ssdt, |
Patrick Rudolph | 604f698 | 2017-06-07 09:46:52 +0200 | [diff] [blame] | 875 | .acpi_name = lpc_acpi_name, |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 876 | .init = lpc_init, |
Vladimir Serbinenko | b06a249 | 2015-05-21 10:32:59 +0200 | [diff] [blame] | 877 | .final = lpc_final, |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 878 | .enable = pch_lpc_enable, |
Nico Huber | 51b75ae | 2019-03-14 16:02:05 +0100 | [diff] [blame] | 879 | .scan_bus = scan_static_bus, |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 880 | .ops_pci = &pci_ops, |
| 881 | }; |
| 882 | |
| 883 | |
Kimarie Hoot | e6f459c | 2012-07-14 08:26:08 -0600 | [diff] [blame] | 884 | /* IDs for LPC device of Intel 6 Series Chipset, Intel 7 Series Chipset, and |
| 885 | * Intel C200 Series Chipset |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 886 | */ |
| 887 | |
Vladimir Serbinenko | 42d55e0 | 2016-01-02 01:47:26 +0100 | [diff] [blame] | 888 | static const unsigned short pci_device_ids[] = { |
| 889 | 0x1c40, 0x1c41, 0x1c42, 0x1c43, 0x1c44, 0x1c45, 0x1c46, 0x1c47, 0x1c48, |
| 890 | 0x1c49, 0x1c4a, 0x1c4b, 0x1c4c, 0x1c4d, 0x1c4e, 0x1c4f, 0x1c50, 0x1c51, |
| 891 | 0x1c52, 0x1c53, 0x1c54, 0x1c55, 0x1c56, 0x1c57, 0x1c58, 0x1c59, 0x1c5a, |
| 892 | 0x1c5b, 0x1c5c, 0x1c5d, 0x1c5e, 0x1c5f, |
| 893 | |
| 894 | 0x1e41, 0x1e42, 0x1e43, 0x1e44, 0x1e45, 0x1e46, 0x1e47, 0x1e48, 0x1e49, |
| 895 | 0x1e4a, 0x1e4b, 0x1e4c, 0x1e4d, 0x1e4e, 0x1e4f, 0x1e50, 0x1e51, 0x1e52, |
| 896 | 0x1e53, 0x1e54, 0x1e55, 0x1e56, 0x1e57, 0x1e58, 0x1e59, 0x1e5a, 0x1e5b, |
| 897 | 0x1e5c, 0x1e5d, 0x1e5e, 0x1e5f, |
| 898 | |
| 899 | 0 }; |
Stefan Reinauer | 9a380ab | 2012-06-22 13:16:11 -0700 | [diff] [blame] | 900 | |
| 901 | static const struct pci_driver pch_lpc __pci_driver = { |
| 902 | .ops = &device_ops, |
| 903 | .vendor = PCI_VENDOR_ID_INTEL, |
| 904 | .devices = pci_device_ids, |
Stefan Reinauer | 8e07382 | 2012-04-04 00:07:22 +0200 | [diff] [blame] | 905 | }; |