diff options
Diffstat (limited to 'src/mainboard/kontron/986lcd-m/acpi_tables.c')
-rw-r--r-- | src/mainboard/kontron/986lcd-m/acpi_tables.c | 164 |
1 files changed, 103 insertions, 61 deletions
diff --git a/src/mainboard/kontron/986lcd-m/acpi_tables.c b/src/mainboard/kontron/986lcd-m/acpi_tables.c index c7c060f0a3..81614b615e 100644 --- a/src/mainboard/kontron/986lcd-m/acpi_tables.c +++ b/src/mainboard/kontron/986lcd-m/acpi_tables.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2007-2009 coresystems GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -19,16 +19,28 @@ * MA 02110-1301 USA */ +#include <types.h> #include <string.h> #include <console/console.h> #include <arch/acpi.h> +#include <arch/acpigen.h> +#include <arch/smp/mpspec.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <cpu/x86/msr.h> #include "dmi.h" +#define OLD_ACPI 0 + extern unsigned char AmlCode[]; +#if HAVE_ACPI_SLIC +unsigned long acpi_create_slic(unsigned long current); +#endif +void generate_cpu_entries(void); // from cpu/intel/speedstep +unsigned long acpi_fill_mcfg(unsigned long current); // from northbridge/intel/i945 +#if OLD_ACPI typedef struct acpi_oemb { acpi_header_t header; u8 ss; @@ -55,13 +67,24 @@ typedef struct acpi_oemb { u8 dts2; u8 mpen; } __attribute__((packed)) acpi_oemb_t; +#endif + +typedef struct acpi_gnvs { + // 0x00 + u16 osys; + u8 smif; + u8 reserved[13]; + // 0x10 + u8 mpen; +} __attribute__((packed)) acpi_gnvs_t; +#if OLD_ACPI void acpi_create_oemb(acpi_oemb_t *oemb) { acpi_header_t *header = &(oemb->header); unsigned long tolud; - memset (oemb, 0, sizeof(oemb)); + memset (oemb, 0, sizeof(*oemb)); /* fill out header fields */ memcpy(header->signature, "OEMB", 4); @@ -93,48 +116,12 @@ void acpi_create_oemb(acpi_oemb_t *oemb) acpi_checksum((void *) oemb, sizeof(acpi_oemb_t)); }; +#endif -unsigned long acpi_fill_mcfg(unsigned long current) +void acpi_create_gnvs(acpi_gnvs_t *gnvs) { - device_t dev; - u32 pciexbar = 0; - u32 pciexbar_reg; - int max_buses; - - dev = dev_find_device(0x8086, 0x27a0, 0); - if (!dev) - return current; - - // MMCFG not supported or not enabled. - pciexbar_reg=pci_read_config32(dev, 0x48); - - if (!(pciexbar_reg & (1 << 0))) - return current; - - switch ((pciexbar_reg >> 1) & 3) { - case 0: // 256MB - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)); - max_buses = 256; - break; - case 1: // 128M - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)); - max_buses = 128; - break; - case 2: // 64M - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)); - max_buses = 64; - break; - default: // RSVD - return current; - } - - if (!pciexbar) - return current; - - current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, - pciexbar, 0x0, 0x0, max_buses - 1); - - return current; + memset((void *)gnvs, 0, sizeof(*gnvs)); + gnvs->mpen = 1; } void acpi_create_intel_hpet(acpi_hpet_t * hpet) @@ -169,27 +156,32 @@ void acpi_create_intel_hpet(acpi_hpet_t * hpet) acpi_checksum((void *) hpet, sizeof(acpi_hpet_t)); } - - #define IO_APIC_ADDR 0xfec00000UL unsigned long acpi_fill_madt(unsigned long current) { - /* Local Apic */ - current += acpi_create_madt_lapic((acpi_madt_lapic_t *) current, 1, 0); - // This one is for the second core... Will it hurt? - current += acpi_create_madt_lapic((acpi_madt_lapic_t *) current, 2, 1); + /* Local APICs */ + current = acpi_create_madt_lapics(current); /* IOAPIC */ - current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2, IO_APIC_ADDR, 0); + current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, + 2, IO_APIC_ADDR, 0); /* INT_SRC_OVR */ - current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, 0, 2, 0); - current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, 9, 9, 0x000d); // high/level + current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) + current, 0, 0, 2, 0); + current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) + current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH); return current; } +unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id) +{ + generate_cpu_entries(); + return (unsigned long) (acpigen_get_current()); +} + unsigned long acpi_fill_slit(unsigned long current) { // Not implemented @@ -202,6 +194,7 @@ unsigned long acpi_fill_srat(unsigned long current) return current; } +void smm_setup_structures(void *gnvs, void *tcg, void *smi1); #define ALIGN_CURRENT current = ((current + 0x0f) & -0x10) unsigned long write_acpi_tables(unsigned long start) @@ -210,12 +203,20 @@ unsigned long write_acpi_tables(unsigned long start) int i; acpi_rsdp_t *rsdp; acpi_rsdt_t *rsdt; + acpi_xsdt_t *xsdt; acpi_hpet_t *hpet; acpi_madt_t *madt; acpi_mcfg_t *mcfg; acpi_fadt_t *fadt; acpi_facs_t *facs; +#if HAVE_ACPI_SLIC + acpi_header_t *slic; +#endif +#if OLD_ACPI acpi_oemb_t *oemb; +#endif + acpi_gnvs_t *gnvs; + acpi_header_t *ssdt; acpi_header_t *dsdt; current = start; @@ -232,12 +233,16 @@ unsigned long write_acpi_tables(unsigned long start) rsdt = (acpi_rsdt_t *) current; current += sizeof(acpi_rsdt_t); ALIGN_CURRENT; + xsdt = (acpi_xsdt_t *) current; + current += sizeof(acpi_xsdt_t); + ALIGN_CURRENT; /* clear all table memory */ memset((void *) start, 0, current - start); - acpi_write_rsdp(rsdp, rsdt); + acpi_write_rsdp(rsdp, rsdt, xsdt); acpi_write_rsdt(rsdt); + acpi_write_xsdt(xsdt); /* * We explicitly add these tables later on: @@ -248,7 +253,7 @@ unsigned long write_acpi_tables(unsigned long start) current += sizeof(acpi_hpet_t); ALIGN_CURRENT; acpi_create_intel_hpet(hpet); - acpi_add_table(rsdt, hpet); + acpi_add_table(rsdp, hpet); /* If we want to use HPET Timers Linux wants an MADT */ printk_debug("ACPI: * MADT\n"); @@ -257,21 +262,23 @@ unsigned long write_acpi_tables(unsigned long start) acpi_create_madt(madt); current += madt->header.length; ALIGN_CURRENT; - acpi_add_table(rsdt, madt); + acpi_add_table(rsdp, madt); printk_debug("ACPI: * MCFG\n"); mcfg = (acpi_mcfg_t *) current; acpi_create_mcfg(mcfg); current += mcfg->header.length; ALIGN_CURRENT; - acpi_add_table(rsdt, mcfg); + acpi_add_table(rsdp, mcfg); +#if OLD_ACPI printk_debug("ACPI: * OEMB\n"); oemb=(acpi_oemb_t *)current; current += sizeof(acpi_oemb_t); ALIGN_CURRENT; acpi_create_oemb(oemb); - acpi_add_table(rsdt, oemb); + acpi_add_table(rsdp, oemb); +#endif printk_debug("ACPI: * FACS\n"); facs = (acpi_facs_t *) current; @@ -281,34 +288,69 @@ unsigned long write_acpi_tables(unsigned long start) dsdt = (acpi_header_t *) current; current += ((acpi_header_t *) AmlCode)->length; - ALIGN_CURRENT; memcpy((void *) dsdt, (void *) AmlCode, ((acpi_header_t *) AmlCode)->length); -#if 1 +#if OLD_ACPI for (i=0; i < dsdt->length; i++) { - if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) { + if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBEEF) { printk_debug("ACPI: Patching up DSDT at offset 0x%04x -> 0x%08x\n", i, 0x24 + (u32)oemb); *(u32*)(((u32)dsdt) + i) = 0x24 + (u32)oemb; break; } } +#endif + + ALIGN_CURRENT; + + /* Pack GNVS into the ACPI table area */ + for (i=0; i < dsdt->length; i++) { + if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) { + printk_debug("ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, current); + *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes + break; + } + } + + /* And fill it */ + acpi_create_gnvs(current); + + current += 0x100; + ALIGN_CURRENT; + + /* And tell SMI about it */ + smm_setup_structures((void *)current, NULL, NULL); /* We patched up the DSDT, so we need to recalculate the checksum */ dsdt->checksum = 0; dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); -#endif printk_debug("ACPI: * DSDT @ %p Length %x\n", dsdt, dsdt->length); +#if HAVE_ACPI_SLIC + printk_debug("ACPI: * SLIC\n"); + slic = (acpi_header_t *)current; + current += acpi_create_slic(current); + ALIGN_CURRENT; + acpi_add_table(rsdp, slic); +#endif + printk_debug("ACPI: * FADT\n"); fadt = (acpi_fadt_t *) current; current += sizeof(acpi_fadt_t); ALIGN_CURRENT; acpi_create_fadt(fadt, facs, dsdt); - acpi_add_table(rsdt, fadt); + acpi_add_table(rsdp, fadt); + + printk_debug("ACPI: * SSDT\n"); + ssdt = (acpi_header_t *)current; + acpi_create_ssdt_generator(ssdt, "COREBOOT"); + current += ssdt->length; + acpi_add_table(rsdp, ssdt); + ALIGN_CURRENT; + printk_debug("current = %lx\n", current); printk_debug("ACPI: * DMI (Linux workaround)\n"); |