diff options
Diffstat (limited to 'src/southbridge/intel/fsp_bd82x6x/lpc.c')
| -rw-r--r-- | src/southbridge/intel/fsp_bd82x6x/lpc.c | 786 |
1 files changed, 0 insertions, 786 deletions
diff --git a/src/southbridge/intel/fsp_bd82x6x/lpc.c b/src/southbridge/intel/fsp_bd82x6x/lpc.c deleted file mode 100644 index bc9e06b917..0000000000 --- a/src/southbridge/intel/fsp_bd82x6x/lpc.c +++ /dev/null @@ -1,786 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008-2009 coresystems GmbH - * Copyright (C) 2013 Sage Electronic Engineering, LLC. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <pc80/mc146818rtc.h> -#include <pc80/isa-dma.h> -#include <pc80/i8259.h> -#include <arch/io.h> -#include <arch/ioapic.h> -#include <arch/acpi.h> -#include <arch/cpu.h> -#include <elog.h> -#include <arch/acpigen.h> -#include <drivers/intel/gma/i915.h> -#include <cpu/x86/smm.h> -#include <cbmem.h> -#include <string.h> -#include "pch.h" -#include "nvs.h" - -#define NMI_OFF 0 - -#define ENABLE_ACPI_MODE_IN_COREBOOT 0 - -typedef struct southbridge_intel_fsp_bd82x6x_config config_t; - -static void pch_enable_apic(struct device *dev) -{ - int i; - u32 reg32; - volatile u32 *ioapic_index = (volatile u32 *)(IO_APIC_ADDR); - volatile u32 *ioapic_data = (volatile u32 *)(IO_APIC_ADDR + 0x10); - - /* Enable ACPI I/O and power management. - * Set SCI IRQ to IRQ9 - */ - pci_write_config8(dev, ACPI_CNTL, 0x80); - - *ioapic_index = 0; - *ioapic_data = (1 << 25); - - /* affirm full set of redirection table entries ("write once") */ - *ioapic_index = 1; - reg32 = *ioapic_data; - *ioapic_index = 1; - *ioapic_data = reg32; - - *ioapic_index = 0; - reg32 = *ioapic_data; - printk(BIOS_DEBUG, "Southbridge APIC ID = %x\n", (reg32 >> 24) & 0x0f); - if (reg32 != (1 << 25)) - die("APIC Error\n"); - - printk(BIOS_SPEW, "Dumping IOAPIC registers\n"); - for (i=0; i<3; i++) { - *ioapic_index = i; - printk(BIOS_SPEW, " reg 0x%04x:", i); - reg32 = *ioapic_data; - printk(BIOS_SPEW, " 0x%08x\n", reg32); - } - - *ioapic_index = 3; /* Select Boot Configuration register. */ - *ioapic_data = 1; /* Use Processor System Bus to deliver interrupts. */ -} - -static void pch_enable_serial_irqs(struct device *dev) -{ - /* Set packet length and toggle silent mode bit for one frame. */ - pci_write_config8(dev, SERIRQ_CNTL, - (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0)); -#if !IS_ENABLED(CONFIG_SERIRQ_CONTINUOUS_MODE) - pci_write_config8(dev, SERIRQ_CNTL, - (1 << 7) | (0 << 6) | ((21 - 17) << 2) | (0 << 0)); -#endif -} - -/* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control - * 0x00 - 0000 = Reserved - * 0x01 - 0001 = Reserved - * 0x02 - 0010 = Reserved - * 0x03 - 0011 = IRQ3 - * 0x04 - 0100 = IRQ4 - * 0x05 - 0101 = IRQ5 - * 0x06 - 0110 = IRQ6 - * 0x07 - 0111 = IRQ7 - * 0x08 - 1000 = Reserved - * 0x09 - 1001 = IRQ9 - * 0x0A - 1010 = IRQ10 - * 0x0B - 1011 = IRQ11 - * 0x0C - 1100 = IRQ12 - * 0x0D - 1101 = Reserved - * 0x0E - 1110 = IRQ14 - * 0x0F - 1111 = IRQ15 - * PIRQ[n]_ROUT[7] - PIRQ Routing Control - * 0x80 - The PIRQ is not routed. - */ - -static void pch_pirq_init(struct device *dev) -{ - struct device *irq_dev; - /* Get the chip configuration */ - config_t *config = dev->chip_info; - - pci_write_config8(dev, PIRQA_ROUT, config->pirqa_routing); - pci_write_config8(dev, PIRQB_ROUT, config->pirqb_routing); - pci_write_config8(dev, PIRQC_ROUT, config->pirqc_routing); - pci_write_config8(dev, PIRQD_ROUT, config->pirqd_routing); - - pci_write_config8(dev, PIRQE_ROUT, config->pirqe_routing); - pci_write_config8(dev, PIRQF_ROUT, config->pirqf_routing); - pci_write_config8(dev, PIRQG_ROUT, config->pirqg_routing); - pci_write_config8(dev, PIRQH_ROUT, config->pirqh_routing); - - /* Eric Biederman once said we should let the OS do this. - * I am not so sure anymore he was right. - */ - - for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) { - u8 int_pin=0, int_line=0; - - if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI) - continue; - - int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN); - - switch (int_pin) { - case 1: /* INTA# */ int_line = config->pirqa_routing; break; - case 2: /* INTB# */ int_line = config->pirqb_routing; break; - case 3: /* INTC# */ int_line = config->pirqc_routing; break; - case 4: /* INTD# */ int_line = config->pirqd_routing; break; - } - - if (!int_line) - continue; - - pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line); - } -} - -static void pch_gpi_routing(struct device *dev) -{ - /* Get the chip configuration */ - config_t *config = dev->chip_info; - u32 reg32 = 0; - - /* An array would be much nicer here, or some - * other method of doing this. - */ - reg32 |= (config->gpi0_routing & 0x03) << 0; - reg32 |= (config->gpi1_routing & 0x03) << 2; - reg32 |= (config->gpi2_routing & 0x03) << 4; - reg32 |= (config->gpi3_routing & 0x03) << 6; - reg32 |= (config->gpi4_routing & 0x03) << 8; - reg32 |= (config->gpi5_routing & 0x03) << 10; - reg32 |= (config->gpi6_routing & 0x03) << 12; - reg32 |= (config->gpi7_routing & 0x03) << 14; - reg32 |= (config->gpi8_routing & 0x03) << 16; - reg32 |= (config->gpi9_routing & 0x03) << 18; - reg32 |= (config->gpi10_routing & 0x03) << 20; - reg32 |= (config->gpi11_routing & 0x03) << 22; - reg32 |= (config->gpi12_routing & 0x03) << 24; - reg32 |= (config->gpi13_routing & 0x03) << 26; - reg32 |= (config->gpi14_routing & 0x03) << 28; - reg32 |= (config->gpi15_routing & 0x03) << 30; - - pci_write_config32(dev, GPIO_ROUT, reg32); -} - -static void pch_power_options(struct device *dev) -{ - u8 reg8; - u16 reg16, pmbase; - u32 reg32; - const char *state; - /* Get the chip configuration */ - config_t *config = dev->chip_info; - - int pwr_on=CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; - int nmi_option; - - /* Which state do we want to goto after g3 (power restored)? - * 0 == S0 Full On - * 1 == S5 Soft Off - * - * If the option is not existent (Laptops), use Kconfig setting. - */ - get_option(&pwr_on, "power_on_after_fail"); - - reg16 = pci_read_config16(dev, GEN_PMCON_3); - reg16 &= 0xfffe; - switch (pwr_on) { - case MAINBOARD_POWER_OFF: - reg16 |= 1; - state = "off"; - break; - case MAINBOARD_POWER_ON: - reg16 &= ~1; - state = "on"; - break; - case MAINBOARD_POWER_KEEP: - reg16 &= ~1; - state = "state keep"; - break; - default: - state = "undefined"; - } - - reg16 &= ~(3 << 4); /* SLP_S4# Assertion Stretch 4s */ - reg16 |= (1 << 3); /* SLP_S4# Assertion Stretch Enable */ - - reg16 &= ~(1 << 10); - reg16 |= (1 << 11); /* SLP_S3# Min Assertion Width 50ms */ - - reg16 |= (1 << 12); /* Disable SLP stretch after SUS well */ - - pci_write_config16(dev, GEN_PMCON_3, reg16); - printk(BIOS_INFO, "Set power %s after power failure.\n", state); - - /* Set up NMI on errors. */ - reg8 = inb(0x61); - reg8 &= 0x0f; /* Higher Nibble must be 0 */ - reg8 &= ~(1 << 3); /* IOCHK# NMI Enable */ - // reg8 &= ~(1 << 2); /* PCI SERR# Enable */ - reg8 |= (1 << 2); /* PCI SERR# Disable for now */ - outb(reg8, 0x61); - - reg8 = inb(0x70); - nmi_option = NMI_OFF; - get_option(&nmi_option, "nmi"); - if (nmi_option) { - printk(BIOS_INFO, "NMI sources enabled.\n"); - reg8 &= ~(1 << 7); /* Set NMI. */ - } else { - printk(BIOS_INFO, "NMI sources disabled.\n"); - reg8 |= (1 << 7); /* Can't mask NMI from PCI-E and NMI_NOW */ - } - outb(reg8, 0x70); - - /* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */ - reg16 = pci_read_config16(dev, GEN_PMCON_1); - reg16 &= ~(3 << 0); // SMI# rate 1 minute - reg16 &= ~(1 << 10); // Disable BIOS_PCI_EXP_EN for native PME -#if DEBUG_PERIODIC_SMIS - /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using - * periodic SMIs. - */ - reg16 |= (3 << 0); // Periodic SMI every 8s -#endif - pci_write_config16(dev, GEN_PMCON_1, reg16); - - // Set the board's GPI routing. - pch_gpi_routing(dev); - - pmbase = pci_read_config16(dev, 0x40) & 0xfffe; - - outl(config->gpe0_en, pmbase + GPE0_EN); - outw(config->alt_gp_smi_en, pmbase + ALT_GP_SMI_EN); - - /* Set up power management block and determine sleep mode */ - reg32 = inl(pmbase + 0x04); // PM1_CNT - reg32 &= ~(7 << 10); // SLP_TYP - reg32 |= (1 << 0); // SCI_EN - outl(reg32, pmbase + 0x04); - - /* Clear magic status bits to prevent unexpected wake */ - reg32 = RCBA32(0x3310); - reg32 |= (1 << 4)|(1 << 5)|(1 << 0); - RCBA32(0x3310) = reg32; -} - -static void pch_rtc_init(struct device *dev) -{ - u8 reg8; - int rtc_failed; - - reg8 = pci_read_config8(dev, GEN_PMCON_3); - rtc_failed = reg8 & RTC_BATTERY_DEAD; - if (rtc_failed) { - reg8 &= ~RTC_BATTERY_DEAD; - pci_write_config8(dev, GEN_PMCON_3, reg8); -#if IS_ENABLED(CONFIG_ELOG) - elog_add_event(ELOG_TYPE_RTC_RESET); -#endif - } - printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed); - - cmos_init(rtc_failed); -} - -/* CougarPoint PCH Power Management init */ -static void cpt_pm_init(struct device *dev) -{ - printk(BIOS_DEBUG, "CougarPoint PM init\n"); - pci_write_config8(dev, 0xa9, 0x47); - RCBA32_AND_OR(0x2238, ~0UL, (1 << 6)|(1 << 0)); - RCBA32_AND_OR(0x228c, ~0UL, (1 << 0)); - RCBA16_AND_OR(0x1100, ~0UL, (1 << 13)|(1 << 14)); - RCBA16_AND_OR(0x0900, ~0UL, (1 << 14)); - RCBA32(0x2304) = 0xc0388400; - RCBA32_AND_OR(0x2314, ~0UL, (1 << 5)|(1 << 18)); - RCBA32_AND_OR(0x2320, ~0UL, (1 << 15)|(1 << 1)); - RCBA32_AND_OR(0x3314, ~0x1f, 0xf); - RCBA32(0x3318) = 0x050f0000; - RCBA32(0x3324) = 0x04000000; - RCBA32_AND_OR(0x3340, ~0UL, 0xfffff); - RCBA32_AND_OR(0x3344, ~0UL, (1 << 1)); - RCBA32(0x3360) = 0x0001c000; - RCBA32(0x3368) = 0x00061100; - RCBA32(0x3378) = 0x7f8fdfff; - RCBA32(0x337c) = 0x000003fc; - RCBA32(0x3388) = 0x00001000; - RCBA32(0x3390) = 0x0001c000; - RCBA32(0x33a0) = 0x00000800; - RCBA32(0x33b0) = 0x00001000; - RCBA32(0x33c0) = 0x00093900; - RCBA32(0x33cc) = 0x24653002; - RCBA32(0x33d0) = 0x062108fe; - RCBA32_AND_OR(0x33d4, 0xf000f000, 0x00670060); - RCBA32(0x3a28) = 0x01010000; - RCBA32(0x3a2c) = 0x01010404; - RCBA32(0x3a80) = 0x01041041; - RCBA32_AND_OR(0x3a84, ~0x0000ffff, 0x00001001); - RCBA32_AND_OR(0x3a84, ~0UL, (1 << 24)); /* SATA 2/3 disabled */ - RCBA32_AND_OR(0x3a88, ~0UL, (1 << 0)); /* SATA 4/5 disabled */ - RCBA32(0x3a6c) = 0x00000001; - RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c); - RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20); - RCBA32(0x33c8) = 0; - RCBA32_AND_OR(0x21b0, ~0UL, 0xf); -} - -/* PantherPoint PCH Power Management init */ -static void ppt_pm_init(struct device *dev) -{ - printk(BIOS_DEBUG, "PantherPoint PM init\n"); - pci_write_config8(dev, 0xa9, 0x47); - RCBA32_AND_OR(0x2238, ~0UL, (1 << 0)); - RCBA32_AND_OR(0x228c, ~0UL, (1 << 0)); - RCBA16_AND_OR(0x1100, ~0UL, (1 << 13)|(1 << 14)); - RCBA16_AND_OR(0x0900, ~0UL, (1 << 14)); - RCBA32(0x2304) = 0xc03b8400; - RCBA32_AND_OR(0x2314, ~0UL, (1 << 5)|(1 << 18)); - RCBA32_AND_OR(0x2320, ~0UL, (1 << 15)|(1 << 1)); - RCBA32_AND_OR(0x3314, ~0x1f, 0xf); - RCBA32(0x3318) = 0x054f0000; - RCBA32(0x3324) = 0x04000000; - RCBA32_AND_OR(0x3340, ~0UL, 0xfffff); - RCBA32_AND_OR(0x3344, ~0UL, (1 << 1)|(1 << 0)); - RCBA32(0x3360) = 0x0001c000; - RCBA32(0x3368) = 0x00061100; - RCBA32(0x3378) = 0x7f8fdfff; - RCBA32(0x337c) = 0x000003fd; - RCBA32(0x3388) = 0x00001000; - RCBA32(0x3390) = 0x0001c000; - RCBA32(0x33a0) = 0x00000800; - RCBA32(0x33b0) = 0x00001000; - RCBA32(0x33c0) = 0x00093900; - RCBA32(0x33cc) = 0x24653002; - RCBA32(0x33d0) = 0x067388fe; - RCBA32_AND_OR(0x33d4, 0xf000f000, 0x00670060); - RCBA32(0x3a28) = 0x01010000; - RCBA32(0x3a2c) = 0x01010404; - RCBA32(0x3a80) = 0x01040000; - RCBA32_AND_OR(0x3a84, ~0x0000ffff, 0x00001001); - RCBA32_AND_OR(0x3a84, ~0UL, (1 << 24)); /* SATA 2/3 disabled */ - RCBA32_AND_OR(0x3a88, ~0UL, (1 << 0)); /* SATA 4/5 disabled */ - RCBA32(0x3a6c) = 0x00000001; - RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c); - RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20); - RCBA32_AND_OR(0x33a4, ~0UL, (1 << 0)); - RCBA32(0x33c8) = 0; - RCBA32_AND_OR(0x21b0, ~0UL, 0xf); -} - -static void enable_hpet(void) -{ - u32 reg32; - - /* Move HPET to default address 0xfed00000 and enable it */ - reg32 = RCBA32(HPTC); - reg32 |= (1 << 7); // HPET Address Enable - reg32 &= ~(3 << 0); - RCBA32(HPTC) = reg32; -} - -static void pch_set_acpi_mode(void) -{ - if (!acpi_is_wakeup_s3() && CONFIG_HAVE_SMI_HANDLER) { -#if ENABLE_ACPI_MODE_IN_COREBOOT - printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n"); - outb(APM_CNT_ACPI_ENABLE, APM_CNT); // Enable ACPI mode - printk(BIOS_DEBUG, "done.\n"); -#else - printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n"); - outb(APM_CNT_ACPI_DISABLE, APM_CNT); // Disable ACPI mode - printk(BIOS_DEBUG, "done.\n"); -#endif - } -} - -static void pch_disable_smm_only_flashing(struct device *dev) -{ - u8 reg8; - - printk(BIOS_SPEW, "Enabling BIOS updates outside of SMM... "); - reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */ - reg8 &= ~(1 << 5); - pci_write_config8(dev, 0xdc, reg8); -} - -static void pch_fixups(struct device *dev) -{ - u8 gen_pmcon_2; - - /* Indicate DRAM init done for MRC S3 to know it can resume */ - gen_pmcon_2 = pci_read_config8(dev, GEN_PMCON_2); - gen_pmcon_2 |= (1 << 7); - pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2); - -} - -static void pch_decode_init(struct device *dev) -{ - config_t *config = dev->chip_info; - - printk(BIOS_DEBUG, "pch_decode_init\n"); - - pci_write_config32(dev, LPC_GEN1_DEC, config->gen1_dec); - pci_write_config32(dev, LPC_GEN2_DEC, config->gen2_dec); - pci_write_config32(dev, LPC_GEN3_DEC, config->gen3_dec); - pci_write_config32(dev, LPC_GEN4_DEC, config->gen4_dec); -} - -static void lpc_init(struct device *dev) -{ - printk(BIOS_DEBUG, "pch: lpc_init\n"); - - /* Set the value for PCI command register. */ - pci_write_config16(dev, PCI_COMMAND, 0x000f); - - /* IO APIC initialization. */ - pch_enable_apic(dev); - - pch_enable_serial_irqs(dev); - - /* Setup the PIRQ. */ - pch_pirq_init(dev); - - /* Setup power options. */ - pch_power_options(dev); - - /* Initialize power management */ - switch (pch_silicon_type()) { - case PCH_TYPE_CPT: /* CougarPoint */ - cpt_pm_init(dev); - break; - case PCH_TYPE_PPT: /* PantherPoint */ - ppt_pm_init(dev); - break; - default: - printk(BIOS_ERR, "Unknown Chipset: 0x%04x\n", dev->device); - } - - /* Set the state of the GPIO lines. */ - //gpio_init(dev); - - /* Initialize the real time clock. */ - pch_rtc_init(dev); - - /* Initialize ISA DMA. */ - isa_dma_init(); - - /* Initialize the High Precision Event Timers, if present. */ - enable_hpet(); - - setup_i8259(); - - /* The OS should do this? */ - /* Interrupt 9 should be level triggered (SCI) */ - i8259_configure_irq_trigger(9, 1); - - pch_disable_smm_only_flashing(dev); - - pch_set_acpi_mode(); - - pch_fixups(dev); -} - -static void pch_lpc_read_resources(struct device *dev) -{ - struct resource *res; - config_t *config = dev->chip_info; - u8 io_index = 0; - - /* Get the normal PCI resources of this device. */ - pci_dev_read_resources(dev); - - /* Add an extra subtractive resource for both memory and I/O. */ - res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); - res->base = 0; - res->size = 0x1000; - res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | - IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - - res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); - res->base = 0xff800000; - res->size = 0x00800000; /* 8 MB for flash */ - res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | - IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - - res = new_resource(dev, 3); /* IOAPIC */ - res->base = IO_APIC_ADDR; - res->size = 0x00001000; - res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - - /* Set PCH IO decode ranges if required.*/ - if ((config->gen1_dec & 0xFFFC) > 0x1000) { - res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); - res->base = config->gen1_dec & 0xFFFC; - res->size = (config->gen1_dec >> 16) & 0xFC; - res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | - IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - } - - if ((config->gen2_dec & 0xFFFC) > 0x1000) { - res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); - res->base = config->gen2_dec & 0xFFFC; - res->size = (config->gen2_dec >> 16) & 0xFC; - res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | - IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - } - - if ((config->gen3_dec & 0xFFFC) > 0x1000) { - res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); - res->base = config->gen3_dec & 0xFFFC; - res->size = (config->gen3_dec >> 16) & 0xFC; - res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | - IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - } - - if ((config->gen4_dec & 0xFFFC) > 0x1000) { - res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0)); - res->base = config->gen4_dec & 0xFFFC; - res->size = (config->gen4_dec >> 16) & 0xFC; - res->flags = IORESOURCE_IO| IORESOURCE_SUBTRACTIVE | - IORESOURCE_ASSIGNED | IORESOURCE_FIXED; - } -} - -static void pch_lpc_enable_resources(struct device *dev) -{ - pch_decode_init(dev); - return pci_dev_enable_resources(dev); -} - -static void pch_lpc_enable(struct device *dev) -{ - pch_enable(dev); -} - -static void set_subsystem(struct device *dev, unsigned vendor, unsigned device) -{ - if (!vendor || !device) { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - pci_read_config32(dev, PCI_VENDOR_ID)); - } else { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - } -} - -static void southbridge_inject_dsdt(struct device *dev) -{ - global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof(*gnvs)); - - if (gnvs) { - const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info(); - - memset(gnvs, 0, sizeof(*gnvs)); - - acpi_create_gnvs(gnvs); - - gnvs->ndid = gfx->ndid; - memcpy(gnvs->did, gfx->did, sizeof(gnvs->did)); - - /* And tell SMI about it */ - smm_setup_structures(gnvs, NULL, NULL); - - /* Add it to DSDT. */ - acpigen_write_scope("\\"); - acpigen_write_name_dword("NVSA", (u32) gnvs); - acpigen_pop_len(); - } -} - -void acpi_fill_fadt(acpi_fadt_t *fadt) -{ - struct device *dev = dev_find_slot(0, PCI_DEVFN(0x1f,0)); - config_t *chip = dev->chip_info; - u16 pmbase = pci_read_config16(dev, 0x40) & 0xfffe; - int c2_latency; - - fadt->model = 1; - - fadt->sci_int = 0x9; - fadt->smi_cmd = APM_CNT; - fadt->acpi_enable = APM_CNT_ACPI_ENABLE; - fadt->acpi_disable = APM_CNT_ACPI_DISABLE; - fadt->s4bios_req = 0x0; - fadt->pstate_cnt = 0; - - fadt->pm1a_evt_blk = pmbase; - fadt->pm1b_evt_blk = 0x0; - fadt->pm1a_cnt_blk = pmbase + 0x4; - fadt->pm1b_cnt_blk = 0x0; - fadt->pm2_cnt_blk = pmbase + 0x50; - fadt->pm_tmr_blk = pmbase + 0x8; - fadt->gpe0_blk = pmbase + 0x20; - fadt->gpe1_blk = 0; - - fadt->pm1_evt_len = 4; - fadt->pm1_cnt_len = 2; - fadt->pm2_cnt_len = 1; - fadt->pm_tmr_len = 4; - fadt->gpe0_blk_len = 16; - fadt->gpe1_blk_len = 0; - fadt->gpe1_base = 0; - fadt->cst_cnt = 0; - c2_latency = chip->c2_latency; - if (!c2_latency) { - c2_latency = 101; /* c2 unsupported */ - } - fadt->p_lvl2_lat = c2_latency; - fadt->p_lvl3_lat = 87; - fadt->flush_size = 1024; - fadt->flush_stride = 16; - fadt->duty_offset = 1; - if (chip->p_cnt_throttling_supported) { - fadt->duty_width = 3; - } else { - fadt->duty_width = 0; - } - fadt->day_alrm = 0xd; - fadt->mon_alrm = 0x00; - fadt->century = 0x00; - fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042; - - fadt->flags = ACPI_FADT_WBINVD | - ACPI_FADT_C1_SUPPORTED | - ACPI_FADT_SLEEP_BUTTON | - ACPI_FADT_RESET_REGISTER | - ACPI_FADT_SEALED_CASE | - ACPI_FADT_S4_RTC_WAKE | - ACPI_FADT_PLATFORM_CLOCK; - if (c2_latency < 100) { - fadt->flags |= ACPI_FADT_C2_MP_SUPPORTED; - } - - fadt->reset_reg.space_id = 1; - fadt->reset_reg.bit_width = 8; - fadt->reset_reg.bit_offset = 0; - fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; - fadt->reset_reg.addrl = 0xcf9; - fadt->reset_reg.addrh = 0; - - fadt->reset_value = 6; - - fadt->x_pm1a_evt_blk.space_id = 1; - fadt->x_pm1a_evt_blk.bit_width = 32; - fadt->x_pm1a_evt_blk.bit_offset = 0; - fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; - fadt->x_pm1a_evt_blk.addrl = pmbase; - fadt->x_pm1a_evt_blk.addrh = 0x0; - - fadt->x_pm1b_evt_blk.space_id = 1; - fadt->x_pm1b_evt_blk.bit_width = 0; - fadt->x_pm1b_evt_blk.bit_offset = 0; - fadt->x_pm1b_evt_blk.access_size = 0; - fadt->x_pm1b_evt_blk.addrl = 0x0; - fadt->x_pm1b_evt_blk.addrh = 0x0; - - fadt->x_pm1a_cnt_blk.space_id = 1; - fadt->x_pm1a_cnt_blk.bit_width = 16; - fadt->x_pm1a_cnt_blk.bit_offset = 0; - fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; - fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4; - fadt->x_pm1a_cnt_blk.addrh = 0x0; - - fadt->x_pm1b_cnt_blk.space_id = 1; - fadt->x_pm1b_cnt_blk.bit_width = 0; - fadt->x_pm1b_cnt_blk.bit_offset = 0; - fadt->x_pm1b_cnt_blk.access_size = 0; - fadt->x_pm1b_cnt_blk.addrl = 0x0; - fadt->x_pm1b_cnt_blk.addrh = 0x0; - - fadt->x_pm2_cnt_blk.space_id = 1; - fadt->x_pm2_cnt_blk.bit_width = 8; - fadt->x_pm2_cnt_blk.bit_offset = 0; - fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; - fadt->x_pm2_cnt_blk.addrl = pmbase + 0x50; - fadt->x_pm2_cnt_blk.addrh = 0x0; - - fadt->x_pm_tmr_blk.space_id = 1; - fadt->x_pm_tmr_blk.bit_width = 32; - fadt->x_pm_tmr_blk.bit_offset = 0; - fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; - fadt->x_pm_tmr_blk.addrl = pmbase + 0x8; - fadt->x_pm_tmr_blk.addrh = 0x0; - - fadt->x_gpe0_blk.space_id = 1; - fadt->x_gpe0_blk.bit_width = 128; - fadt->x_gpe0_blk.bit_offset = 0; - fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; - fadt->x_gpe0_blk.addrl = pmbase + 0x20; - fadt->x_gpe0_blk.addrh = 0x0; - - fadt->x_gpe1_blk.space_id = 1; - fadt->x_gpe1_blk.bit_width = 0; - fadt->x_gpe1_blk.bit_offset = 0; - fadt->x_gpe1_blk.access_size = 0; - fadt->x_gpe1_blk.addrl = 0x0; - fadt->x_gpe1_blk.addrh = 0x0; -} - -static void lpc_final(struct device *dev) -{ - /* Call SMM finalize() handlers before resume */ - if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) { - if (IS_ENABLED(CONFIG_INTEL_CHIPSET_LOCKDOWN) || - acpi_is_wakeup_s3()) { - outb(APM_CNT_FINALIZE, APM_CNT); - } - } -} - -static struct pci_operations pci_ops = { - .set_subsystem = set_subsystem, -}; - -static struct device_operations device_ops = { - .read_resources = pch_lpc_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pch_lpc_enable_resources, - .write_acpi_tables = acpi_write_hpet, - .acpi_inject_dsdt_generator = southbridge_inject_dsdt, - .init = lpc_init, - .final = lpc_final, - .enable = pch_lpc_enable, - .scan_bus = scan_lpc_bus, - .ops_pci = &pci_ops, -}; - - -/* IDs for LPC device of Intel 6 Series Chipset, Intel 7 Series Chipset, and - * Intel C200 Series Chipset - */ - -static const unsigned short pci_device_ids[] = { 0x1c46, 0x1c47, 0x1c49, 0x1c4a, - 0x1c4b, 0x1c4c, 0x1c4d, 0x1c4e, - 0x1c4f, 0x1c50, 0x1c52, 0x1c54, - 0x1e55, 0x1c56, 0x1e57, 0x1c5c, - 0x1e5d, 0x1e5e, 0x1e5f, 0x2310, - 0 }; - -static const struct pci_driver pch_lpc __pci_driver = { - .ops = &device_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices = pci_device_ids, -}; |