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authorVladimir Serbinenko <phcoder@gmail.com>2014-08-30 22:39:20 +0200
committerVladimir Serbinenko <phcoder@gmail.com>2014-10-15 10:54:27 +0200
commit33769a5caadca0ff82267ab5021bc85315e1d7f5 (patch)
tree5516792e4da43b83abbc327ce369be7ce9d01cd8 /src
parent8ffc085e1affaabbe3dca8ac6a89346b71dfc02e (diff)
downloadcoreboot-33769a5caadca0ff82267ab5021bc85315e1d7f5.tar.xz
gm45: Convert to per-device ACPI
Change-Id: Ib04b03b2dc2ad3bfa886b43df9dd6518bbb46e3f Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/6803 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/lenovo/x200/acpi_tables.c224
-rw-r--r--src/mainboard/roda/rk9/acpi_tables.c224
-rw-r--r--src/northbridge/intel/gm45/Kconfig1
-rw-r--r--src/northbridge/intel/gm45/acpi.c29
-rw-r--r--src/northbridge/intel/gm45/gm45.h3
-rw-r--r--src/northbridge/intel/gm45/northbridge.c2
-rw-r--r--src/southbridge/intel/i82801ix/Kconfig4
-rw-r--r--src/southbridge/intel/i82801ix/acpi/globalnvs.asl3
-rw-r--r--src/southbridge/intel/i82801ix/lpc.c28
-rw-r--r--src/southbridge/intel/i82801ix/nvs.h2
10 files changed, 73 insertions, 447 deletions
diff --git a/src/mainboard/lenovo/x200/acpi_tables.c b/src/mainboard/lenovo/x200/acpi_tables.c
index 6e6cd727c5..77491dc0ea 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 6e6cd727c5..77491dc0ea 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 b9244f9d53..fac732929b 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 da9bfa8f90..445995a91b 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 +108,29 @@ unsigned long acpi_fill_dmar(unsigned long current)
/* TODO: reserve GTT for 0.2.0 and 0.2.1? */
return 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 d93b6e4a4e..673160beb3 100644
--- a/src/northbridge/intel/gm45/gm45.h
+++ b/src/northbridge/intel/gm45/gm45.h
@@ -429,6 +429,9 @@ 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);
#endif
#endif
diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c
index 7a4b03837c..e93d0362f4 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 = generate_cpu_entries,
};
diff --git a/src/southbridge/intel/i82801ix/Kconfig b/src/southbridge/intel/i82801ix/Kconfig
index 92e7f41b8b..1ad5aad90a 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 0384376417..d0505948ee 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 ea881119ff..8105a4dc16 100644
--- a/src/southbridge/intel/i82801ix/lpc.c
+++ b/src/southbridge/intel/i82801ix/lpc.c
@@ -31,7 +31,11 @@
#include <arch/acpi.h>
#include <cpu/cpu.h>
#include <cpu/x86/smm.h>
+#include <arch/acpigen.h>
+#include <cbmem.h>
+#include <string.h>
#include "i82801ix.h"
+#include "nvs.h"
#define NMI_OFF 0
@@ -534,6 +538,26 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
}
}
+#if IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES)
+static void southbridge_inject_dsdt(void)
+{
+ global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
+
+ if (gnvs) {
+ int scopelen;
+ memset(gnvs, 0, sizeof (*gnvs));
+ 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);
+ }
+}
+#endif
+
static struct pci_operations pci_ops = {
.set_subsystem = set_subsystem,
};
@@ -542,6 +566,10 @@ static struct device_operations device_ops = {
.read_resources = i82801ix_lpc_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
+#if IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES)
+ .acpi_inject_dsdt_generator = southbridge_inject_dsdt,
+ .write_acpi_tables = acpi_write_hpet,
+#endif
.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 14f0ad36c1..cf4065c63f 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);