diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/acpi/acpi_dmar.c | 2 | ||||
| -rw-r--r-- | src/arch/x86/Kconfig | 12 | ||||
| -rw-r--r-- | src/arch/x86/cpu_common.c | 8 | ||||
| -rw-r--r-- | src/device/pci_device.c | 2 | ||||
| -rw-r--r-- | src/include/cpu/cpu.h | 1 | ||||
| -rw-r--r-- | src/soc/intel/common/block/systemagent/systemagent.c | 2 |
6 files changed, 24 insertions, 3 deletions
diff --git a/src/acpi/acpi_dmar.c b/src/acpi/acpi_dmar.c index 83a876c2879e..9a5ebedbb162 100644 --- a/src/acpi/acpi_dmar.c +++ b/src/acpi/acpi_dmar.c @@ -26,7 +26,7 @@ void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, header->length = sizeof(acpi_dmar_t); header->revision = get_acpi_table_revision(DMAR); - dmar->host_address_width = cpu_phys_address_size() - 1; + dmar->host_address_width = soc_phys_address_size() - 1; dmar->flags = flags; current = acpi_fill_dmar(current); diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig index 90ece988c037..e149f0864e2a 100644 --- a/src/arch/x86/Kconfig +++ b/src/arch/x86/Kconfig @@ -391,4 +391,16 @@ config DUMP_SMBIOS_TYPE17 bool "Dump part of SMBIOS type17 dimm information" depends on GENERATE_SMBIOS_TABLES +config SOC_PHYSICAL_ADDRESS_WIDTH + int + default 0 + help + On some System-on-Chip the physical address size available + at the SoC level may be different than at the CPU + level. This configuration can be use to set the physical + address width (in bits) of the SoC. + + If not set, both CPU and SoC physical address width are + assume to be the same. + endif diff --git a/src/arch/x86/cpu_common.c b/src/arch/x86/cpu_common.c index 0242dcebdd69..c4d30a2c06cd 100644 --- a/src/arch/x86/cpu_common.c +++ b/src/arch/x86/cpu_common.c @@ -60,6 +60,14 @@ unsigned int cpu_phys_address_size(void) return 32; } +unsigned int soc_phys_address_size(void) +{ + if (CONFIG_SOC_PHYSICAL_ADDRESS_WIDTH) + return CONFIG_SOC_PHYSICAL_ADDRESS_WIDTH; + + return cpu_phys_address_size(); +} + /* * Get processor id using cpuid eax=1 * return value in EAX register diff --git a/src/device/pci_device.c b/src/device/pci_device.c index 21b43529d7f8..b356c2695bb6 100644 --- a/src/device/pci_device.c +++ b/src/device/pci_device.c @@ -578,7 +578,7 @@ void pci_domain_read_resources(struct device *dev) /* Initialize 64-bit memory resource constraints above 4G. */ res = new_resource(dev, IOINDEX_SUBTRACTIVE(2, 0)); res->base = 4ULL * GiB; - res->limit = (1ULL << cpu_phys_address_size()) - 1; + res->limit = (1ULL << soc_phys_address_size()) - 1; res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; } diff --git a/src/include/cpu/cpu.h b/src/include/cpu/cpu.h index 9783976191d4..5f32720f3106 100644 --- a/src/include/cpu/cpu.h +++ b/src/include/cpu/cpu.h @@ -10,6 +10,7 @@ void cpu_initialize(void); uintptr_t cpu_get_lapic_addr(void); struct bus; unsigned int cpu_phys_address_size(void); +unsigned int soc_phys_address_size(void); #if ENV_RAMSTAGE #define __cpu_driver __attribute__((used, __section__(".rodata.cpu_driver"))) diff --git a/src/soc/intel/common/block/systemagent/systemagent.c b/src/soc/intel/common/block/systemagent/systemagent.c index 58d4dbebf46d..24c5a7e5cd1e 100644 --- a/src/soc/intel/common/block/systemagent/systemagent.c +++ b/src/soc/intel/common/block/systemagent/systemagent.c @@ -313,7 +313,7 @@ void ssdt_set_above_4g_pci(const struct device *dev) uint64_t touud; sa_read_map_entry(pcidev_path_on_root(SA_DEVFN_ROOT), &sa_memory_map[SA_TOUUD_REG], &touud); - const uint64_t len = POWER_OF_2(cpu_phys_address_size()) - touud; + const uint64_t len = POWER_OF_2(soc_phys_address_size()) - touud; const char *scope = acpi_device_path(dev); acpigen_write_scope(scope); |