Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/6803
-gerrit
commit 362eb85340e2da2788088682b7980f349e1a048d Author: Vladimir Serbinenko phcoder@gmail.com Date: Sat Aug 30 22:39:20 2014 +0200
gm45: Convert to collaborative ACPI
Change-Id: Ib04b03b2dc2ad3bfa886b43df9dd6518bbb46e3f Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/mainboard/lenovo/x200/acpi_tables.c | 224 +--------------------- src/mainboard/roda/rk9/acpi_tables.c | 224 +--------------------- src/northbridge/intel/gm45/Kconfig | 1 + src/northbridge/intel/gm45/acpi.c | 37 ++++ src/northbridge/intel/gm45/gm45.h | 5 + src/northbridge/intel/gm45/northbridge.c | 2 + src/southbridge/intel/i82801ix/Kconfig | 4 + src/southbridge/intel/i82801ix/acpi/globalnvs.asl | 3 +- src/southbridge/intel/i82801ix/lpc.c | 24 +++ src/southbridge/intel/i82801ix/nvs.h | 2 + 10 files changed, 79 insertions(+), 447 deletions(-)
diff --git a/src/mainboard/lenovo/x200/acpi_tables.c b/src/mainboard/lenovo/x200/acpi_tables.c index 6e6cd72..77491dc 100644 --- a/src/mainboard/lenovo/x200/acpi_tables.c +++ b/src/mainboard/lenovo/x200/acpi_tables.c @@ -30,13 +30,8 @@ #include <device/pci.h> #include <device/pci_ids.h>
-extern const unsigned char AmlCode[]; -#if CONFIG_HAVE_ACPI_SLIC -unsigned long acpi_create_slic(unsigned long current); -#endif - #include "southbridge/intel/i82801ix/nvs.h" -static void acpi_create_gnvs(global_nvs_t *gnvs) +void acpi_create_gnvs(global_nvs_t *gnvs) { memset((void *)gnvs, 0, sizeof(*gnvs)); gnvs->apic = 1; @@ -55,38 +50,6 @@ static void acpi_create_gnvs(global_nvs_t *gnvs) gnvs->did[4] = 0x00000005; }
-static void acpi_create_intel_hpet(acpi_hpet_t * hpet) -{ -#define HPET_ADDR 0xfed00000ULL - acpi_header_t *header = &(hpet->header); - acpi_addr_t *addr = &(hpet->addr); - - memset((void *) hpet, 0, sizeof(acpi_hpet_t)); - - /* fill out header fields */ - memcpy(header->signature, "HPET", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_hpet_t); - header->revision = 1; - - /* fill out HPET address */ - addr->space_id = 0; /* Memory */ - addr->bit_width = 64; - addr->bit_offset = 0; - addr->addrl = HPET_ADDR & 0xffffffff; - addr->addrh = HPET_ADDR >> 32; - - hpet->id = 0x8086a201; /* Intel */ - hpet->number = 0x00; - hpet->min_tick = 0x0080; - - header->checksum = - acpi_checksum((void *) hpet, sizeof(acpi_hpet_t)); -} - unsigned long acpi_fill_madt(unsigned long current) { /* Local APICs */ @@ -115,12 +78,6 @@ unsigned long acpi_fill_madt(unsigned long current) return current; }
-unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) -{ - generate_cpu_entries(); - return (unsigned long) (acpigen_get_current()); -} - unsigned long acpi_fill_slit(unsigned long current) { // Not implemented @@ -132,182 +89,3 @@ unsigned long acpi_fill_srat(unsigned long current) /* No NUMA, no SRAT */ return current; } - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1); - -#define ALIGN_CURRENT current = (ALIGN(current, 16)) -unsigned long write_acpi_tables(unsigned long start) -{ - unsigned long current; - 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 CONFIG_IOMMU - acpi_dmar_t *dmar; -#endif -#if CONFIG_HAVE_ACPI_SLIC - acpi_header_t *slic; -#endif - acpi_header_t *ssdt; - acpi_header_t *dsdt; - void *gnvs; - - current = start; - - /* Align ACPI tables to 16byte */ - ALIGN_CURRENT; - - printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); - - /* We need at least an RSDP and an RSDT Table */ - rsdp = (acpi_rsdp_t *) current; - current += sizeof(acpi_rsdp_t); - ALIGN_CURRENT; - 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, xsdt); - acpi_write_rsdt(rsdt); - acpi_write_xsdt(xsdt); - - /* - * We explicitly add these tables later on: - */ - printk(BIOS_DEBUG, "ACPI: * HPET\n"); - - hpet = (acpi_hpet_t *) current; - current += sizeof(acpi_hpet_t); - ALIGN_CURRENT; - acpi_create_intel_hpet(hpet); - acpi_add_table(rsdp, hpet); - - /* If we want to use HPET Timers Linux wants an MADT */ - printk(BIOS_DEBUG, "ACPI: * MADT\n"); - - madt = (acpi_madt_t *) current; - acpi_create_madt(madt); - current += madt->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, madt); - - printk(BIOS_DEBUG, "ACPI: * MCFG\n"); - mcfg = (acpi_mcfg_t *) current; - acpi_create_mcfg(mcfg); - current += mcfg->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, mcfg); - -#if CONFIG_IOMMU - printk(BIOS_DEBUG, "ACPI: * DMAR\n"); - dmar = (acpi_dmar_t *) current; - acpi_create_dmar(dmar); - current += dmar->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, dmar); -#endif - - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - ALIGN_CURRENT; - acpi_create_facs(facs); - - dsdt = (acpi_header_t *) current; - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - - /* Fix up global NVS region for SMI handler. The GNVS region lives - * in the (high) table area. The low memory map looks like this: - * - * 0x00000000 - 0x000003ff Real Mode IVT - * 0x00000020 - 0x0000019c Low MP Table (XXX conflict?) - * 0x00000400 - 0x000004ff BDA (somewhat unused) - * 0x00000500 - 0x0000052f Moved GDT - * 0x00000530 - 0x00000b64 coreboot table - * 0x0007c000 - 0x0007dfff OS boot sector (unused?) - * 0x0007e000 - 0x0007ffff free to use (so no good for acpi+smi) - * 0x00080000 - 0x0009fbff usable ram - * 0x0009fc00 - 0x0009ffff EBDA (unused?) - * 0x000a0000 - 0x000bffff VGA memory - * 0x000c0000 - 0x000cffff VGA option rom - * 0x000d0000 - 0x000dffff free for other option roms? - * 0x000e0000 - 0x000fffff SeaBIOS? (conflict with low tables:) - * 0x000f0000 - 0x000f03ff PIRQ table - * 0x000f0400 - 0x000f66?? ACPI tables - * 0x000f66?? - 0x000f???? DMI tables - */ - - ALIGN_CURRENT; - - /* Pack GNVS into the ACPI table area */ - for (i=0; i < dsdt->length; i++) { - if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) { - printk(BIOS_DEBUG, "ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, (u32)current); - *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes - break; - } - } - - /* And fill it */ - acpi_create_gnvs((global_nvs_t *)current); - - /* Keep pointer around */ - gnvs = (void *)current; - - current += 0x100; - ALIGN_CURRENT; - -#if CONFIG_HAVE_SMI_HANDLER - /* And tell SMI about it */ - smm_setup_structures(gnvs, NULL, NULL); -#endif - - /* We patched up the DSDT, so we need to recalculate the checksum */ - dsdt->checksum = 0; - dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); - - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, - dsdt->length); - -#if CONFIG_HAVE_ACPI_SLIC - printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; - current += acpi_create_slic(current); - ALIGN_CURRENT; - acpi_add_table(rsdp, slic); -#endif - - printk(BIOS_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(rsdp, fadt); - - printk(BIOS_DEBUG, "ACPI: * SSDT\n"); - ssdt = (acpi_header_t *)current; - acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); - current += ssdt->length; - acpi_add_table(rsdp, ssdt); - ALIGN_CURRENT; - - printk(BIOS_DEBUG, "current = %lx\n", current); - printk(BIOS_INFO, "ACPI: done.\n"); - - return current; -} diff --git a/src/mainboard/roda/rk9/acpi_tables.c b/src/mainboard/roda/rk9/acpi_tables.c index 6e6cd72..77491dc 100644 --- a/src/mainboard/roda/rk9/acpi_tables.c +++ b/src/mainboard/roda/rk9/acpi_tables.c @@ -30,13 +30,8 @@ #include <device/pci.h> #include <device/pci_ids.h>
-extern const unsigned char AmlCode[]; -#if CONFIG_HAVE_ACPI_SLIC -unsigned long acpi_create_slic(unsigned long current); -#endif - #include "southbridge/intel/i82801ix/nvs.h" -static void acpi_create_gnvs(global_nvs_t *gnvs) +void acpi_create_gnvs(global_nvs_t *gnvs) { memset((void *)gnvs, 0, sizeof(*gnvs)); gnvs->apic = 1; @@ -55,38 +50,6 @@ static void acpi_create_gnvs(global_nvs_t *gnvs) gnvs->did[4] = 0x00000005; }
-static void acpi_create_intel_hpet(acpi_hpet_t * hpet) -{ -#define HPET_ADDR 0xfed00000ULL - acpi_header_t *header = &(hpet->header); - acpi_addr_t *addr = &(hpet->addr); - - memset((void *) hpet, 0, sizeof(acpi_hpet_t)); - - /* fill out header fields */ - memcpy(header->signature, "HPET", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_hpet_t); - header->revision = 1; - - /* fill out HPET address */ - addr->space_id = 0; /* Memory */ - addr->bit_width = 64; - addr->bit_offset = 0; - addr->addrl = HPET_ADDR & 0xffffffff; - addr->addrh = HPET_ADDR >> 32; - - hpet->id = 0x8086a201; /* Intel */ - hpet->number = 0x00; - hpet->min_tick = 0x0080; - - header->checksum = - acpi_checksum((void *) hpet, sizeof(acpi_hpet_t)); -} - unsigned long acpi_fill_madt(unsigned long current) { /* Local APICs */ @@ -115,12 +78,6 @@ unsigned long acpi_fill_madt(unsigned long current) return current; }
-unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) -{ - generate_cpu_entries(); - return (unsigned long) (acpigen_get_current()); -} - unsigned long acpi_fill_slit(unsigned long current) { // Not implemented @@ -132,182 +89,3 @@ unsigned long acpi_fill_srat(unsigned long current) /* No NUMA, no SRAT */ return current; } - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1); - -#define ALIGN_CURRENT current = (ALIGN(current, 16)) -unsigned long write_acpi_tables(unsigned long start) -{ - unsigned long current; - 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 CONFIG_IOMMU - acpi_dmar_t *dmar; -#endif -#if CONFIG_HAVE_ACPI_SLIC - acpi_header_t *slic; -#endif - acpi_header_t *ssdt; - acpi_header_t *dsdt; - void *gnvs; - - current = start; - - /* Align ACPI tables to 16byte */ - ALIGN_CURRENT; - - printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start); - - /* We need at least an RSDP and an RSDT Table */ - rsdp = (acpi_rsdp_t *) current; - current += sizeof(acpi_rsdp_t); - ALIGN_CURRENT; - 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, xsdt); - acpi_write_rsdt(rsdt); - acpi_write_xsdt(xsdt); - - /* - * We explicitly add these tables later on: - */ - printk(BIOS_DEBUG, "ACPI: * HPET\n"); - - hpet = (acpi_hpet_t *) current; - current += sizeof(acpi_hpet_t); - ALIGN_CURRENT; - acpi_create_intel_hpet(hpet); - acpi_add_table(rsdp, hpet); - - /* If we want to use HPET Timers Linux wants an MADT */ - printk(BIOS_DEBUG, "ACPI: * MADT\n"); - - madt = (acpi_madt_t *) current; - acpi_create_madt(madt); - current += madt->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, madt); - - printk(BIOS_DEBUG, "ACPI: * MCFG\n"); - mcfg = (acpi_mcfg_t *) current; - acpi_create_mcfg(mcfg); - current += mcfg->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, mcfg); - -#if CONFIG_IOMMU - printk(BIOS_DEBUG, "ACPI: * DMAR\n"); - dmar = (acpi_dmar_t *) current; - acpi_create_dmar(dmar); - current += dmar->header.length; - ALIGN_CURRENT; - acpi_add_table(rsdp, dmar); -#endif - - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - ALIGN_CURRENT; - acpi_create_facs(facs); - - dsdt = (acpi_header_t *) current; - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - - /* Fix up global NVS region for SMI handler. The GNVS region lives - * in the (high) table area. The low memory map looks like this: - * - * 0x00000000 - 0x000003ff Real Mode IVT - * 0x00000020 - 0x0000019c Low MP Table (XXX conflict?) - * 0x00000400 - 0x000004ff BDA (somewhat unused) - * 0x00000500 - 0x0000052f Moved GDT - * 0x00000530 - 0x00000b64 coreboot table - * 0x0007c000 - 0x0007dfff OS boot sector (unused?) - * 0x0007e000 - 0x0007ffff free to use (so no good for acpi+smi) - * 0x00080000 - 0x0009fbff usable ram - * 0x0009fc00 - 0x0009ffff EBDA (unused?) - * 0x000a0000 - 0x000bffff VGA memory - * 0x000c0000 - 0x000cffff VGA option rom - * 0x000d0000 - 0x000dffff free for other option roms? - * 0x000e0000 - 0x000fffff SeaBIOS? (conflict with low tables:) - * 0x000f0000 - 0x000f03ff PIRQ table - * 0x000f0400 - 0x000f66?? ACPI tables - * 0x000f66?? - 0x000f???? DMI tables - */ - - ALIGN_CURRENT; - - /* Pack GNVS into the ACPI table area */ - for (i=0; i < dsdt->length; i++) { - if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) { - printk(BIOS_DEBUG, "ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, (u32)current); - *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes - break; - } - } - - /* And fill it */ - acpi_create_gnvs((global_nvs_t *)current); - - /* Keep pointer around */ - gnvs = (void *)current; - - current += 0x100; - ALIGN_CURRENT; - -#if CONFIG_HAVE_SMI_HANDLER - /* And tell SMI about it */ - smm_setup_structures(gnvs, NULL, NULL); -#endif - - /* We patched up the DSDT, so we need to recalculate the checksum */ - dsdt->checksum = 0; - dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length); - - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, - dsdt->length); - -#if CONFIG_HAVE_ACPI_SLIC - printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; - current += acpi_create_slic(current); - ALIGN_CURRENT; - acpi_add_table(rsdp, slic); -#endif - - printk(BIOS_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(rsdp, fadt); - - printk(BIOS_DEBUG, "ACPI: * SSDT\n"); - ssdt = (acpi_header_t *)current; - acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR); - current += ssdt->length; - acpi_add_table(rsdp, ssdt); - ALIGN_CURRENT; - - printk(BIOS_DEBUG, "current = %lx\n", current); - printk(BIOS_INFO, "ACPI: done.\n"); - - return current; -} diff --git a/src/northbridge/intel/gm45/Kconfig b/src/northbridge/intel/gm45/Kconfig index b9244f9..fac7329 100644 --- a/src/northbridge/intel/gm45/Kconfig +++ b/src/northbridge/intel/gm45/Kconfig @@ -31,6 +31,7 @@ config NORTHBRIDGE_SPECIFIC_OPTIONS # dummy select IOMMU select VGA select INTEL_EDID + select PER_DEVICE_ACPI_TABLES
config BOOTBLOCK_NORTHBRIDGE_INIT string diff --git a/src/northbridge/intel/gm45/acpi.c b/src/northbridge/intel/gm45/acpi.c index da9bfa8..8803b47 100644 --- a/src/northbridge/intel/gm45/acpi.c +++ b/src/northbridge/intel/gm45/acpi.c @@ -27,6 +27,9 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <cbmem.h> +#include <arch/acpigen.h> +#include <cpu/cpu.h> #include "gm45.h"
unsigned long acpi_fill_mcfg(unsigned long current) @@ -105,3 +108,37 @@ unsigned long acpi_fill_dmar(unsigned long current) /* TODO: reserve GTT for 0.2.0 and 0.2.1? */ return current; } + +unsigned long northbridge_acpi_fill_ssdt_generator(unsigned long current, + const char *oem_table_id) +{ + generate_cpu_entries(); + return (unsigned long) (acpigen_get_current()); +} + + +#define ALIGN_CURRENT current = (ALIGN(current, 16)) +unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp) +{ + unsigned long current; +#if CONFIG_IOMMU + acpi_dmar_t *dmar; +#endif + + current = start; + +#if CONFIG_IOMMU + printk(BIOS_DEBUG, "ACPI: * DMAR\n"); + dmar = (acpi_dmar_t *) current; + acpi_create_dmar(dmar); + current += dmar->header.length; + ALIGN_CURRENT; + acpi_add_table(rsdp, dmar); +#endif + + ALIGN_CURRENT; + + printk(BIOS_DEBUG, "current = %lx\n", current); + + return current; +} diff --git a/src/northbridge/intel/gm45/gm45.h b/src/northbridge/intel/gm45/gm45.h index d93b6e4..99a063a 100644 --- a/src/northbridge/intel/gm45/gm45.h +++ b/src/northbridge/intel/gm45/gm45.h @@ -429,6 +429,11 @@ u32 decode_igd_memory_size(u32 gms); u32 decode_igd_gtt_size(u32 gsm);
void init_iommu(void); + +struct acpi_rsdp; +unsigned long northbridge_write_acpi_tables(unsigned long start, struct acpi_rsdp *rsdp); +unsigned long northbridge_acpi_fill_ssdt_generator(unsigned long current, + const char *oem_table_id); #endif
#endif diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c index 7a4b038..474122b 100644 --- a/src/northbridge/intel/gm45/northbridge.c +++ b/src/northbridge/intel/gm45/northbridge.c @@ -202,6 +202,8 @@ static struct device_operations pci_domain_ops = { .init = mch_domain_init, .scan_bus = pci_domain_scan_bus, .ops_pci_bus = pci_bus_default_ops, + .write_acpi_tables = northbridge_write_acpi_tables, + .acpi_fill_ssdt_generator = northbridge_acpi_fill_ssdt_generator, };
diff --git a/src/southbridge/intel/i82801ix/Kconfig b/src/southbridge/intel/i82801ix/Kconfig index 92e7f41..1ad5aad 100644 --- a/src/southbridge/intel/i82801ix/Kconfig +++ b/src/southbridge/intel/i82801ix/Kconfig @@ -34,6 +34,10 @@ config EHCI_BAR hex default 0xfef00000
+config HPET_MIN_TICKS + hex + default 0x80 + config BOOTBLOCK_SOUTHBRIDGE_INIT string default "southbridge/intel/i82801ix/bootblock.c" diff --git a/src/southbridge/intel/i82801ix/acpi/globalnvs.asl b/src/southbridge/intel/i82801ix/acpi/globalnvs.asl index 0384376..d050594 100644 --- a/src/southbridge/intel/i82801ix/acpi/globalnvs.asl +++ b/src/southbridge/intel/i82801ix/acpi/globalnvs.asl @@ -31,7 +31,8 @@ Name(\DSEN, 1) // Display Output Switching Enable */
-OperationRegion (GNVS, SystemMemory, 0xC0DEBABE, 0x100) +External(NVSA) +OperationRegion (GNVS, SystemMemory, NVSA, 0x100) Field (GNVS, ByteAcc, NoLock, Preserve) { /* Miscellaneous */ diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c index ea88111..7ab9627 100644 --- a/src/southbridge/intel/i82801ix/lpc.c +++ b/src/southbridge/intel/i82801ix/lpc.c @@ -31,7 +31,10 @@ #include <arch/acpi.h> #include <cpu/cpu.h> #include <cpu/x86/smm.h> +#include <arch/acpigen.h> +#include <cbmem.h> #include "i82801ix.h" +#include "nvs.h"
#define NMI_OFF 0
@@ -534,6 +537,25 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device) } }
+static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id) +{ + global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + + if (gnvs) { + int scopelen; + acpi_create_gnvs(gnvs); + /* And tell SMI about it */ + smm_setup_structures(gnvs, NULL, NULL); + + /* Add it to SSDT. */ + scopelen = acpigen_write_scope("\"); + scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs); + acpigen_patch_len(scopelen - 1); + } + + return (unsigned long) (acpigen_get_current()); +} + static struct pci_operations pci_ops = { .set_subsystem = set_subsystem, }; @@ -542,6 +564,8 @@ static struct device_operations device_ops = { .read_resources = i82801ix_lpc_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, + .acpi_fill_ssdt_generator = southbridge_fill_ssdt, + .write_acpi_tables = acpi_write_hpet, .init = lpc_init, .scan_bus = scan_static_bus, .ops_pci = &pci_ops, diff --git a/src/southbridge/intel/i82801ix/nvs.h b/src/southbridge/intel/i82801ix/nvs.h index 14f0ad3..cf4065c 100644 --- a/src/southbridge/intel/i82801ix/nvs.h +++ b/src/southbridge/intel/i82801ix/nvs.h @@ -135,3 +135,5 @@ typedef struct { u8 bten; u8 rsvd13[14]; } __attribute__((packed)) global_nvs_t; + +void acpi_create_gnvs(global_nvs_t *gnvs);