diff options
Diffstat (limited to 'src/soc/intel')
-rw-r--r-- | src/soc/intel/xeon_sp/include/soc/acpi.h | 1 | ||||
-rw-r--r-- | src/soc/intel/xeon_sp/uncore_acpi.c | 136 |
2 files changed, 65 insertions, 72 deletions
diff --git a/src/soc/intel/xeon_sp/include/soc/acpi.h b/src/soc/intel/xeon_sp/include/soc/acpi.h index 061814790c..0e93dc2bd2 100644 --- a/src/soc/intel/xeon_sp/include/soc/acpi.h +++ b/src/soc/intel/xeon_sp/include/soc/acpi.h @@ -6,7 +6,6 @@ #include <acpi/acpi.h> #define MAX_SRAT_MEM_ENTRIES_PER_IMC 8 -#define MAX_ACPI_MEMORY_AFFINITY_COUNT 256 /** Select C-state map set in config cstate_states diff --git a/src/soc/intel/xeon_sp/uncore_acpi.c b/src/soc/intel/xeon_sp/uncore_acpi.c index 099b235614..949c88bb09 100644 --- a/src/soc/intel/xeon_sp/uncore_acpi.c +++ b/src/soc/intel/xeon_sp/uncore_acpi.c @@ -74,90 +74,84 @@ unsigned long acpi_create_srat_lapics(unsigned long current) return current; } -static unsigned int get_srat_memory_entries(acpi_srat_mem_t *srat_mem) +static void acpi_fill_srat_memory(int *cnt, acpi_srat_mem_t *current, + const struct SystemMemoryMapElement *e) { - const struct SystemMemoryMapHob *memory_map; - unsigned int mmap_index; - - memory_map = get_system_memory_map(); - assert(memory_map); - printk(BIOS_DEBUG, "memory_map: %p\n", memory_map); - - mmap_index = 0; - for (int e = 0; e < memory_map->numberEntries; ++e) { - const struct SystemMemoryMapElement *mem_element = &memory_map->Element[e]; - uint64_t addr = - (uint64_t)((uint64_t)mem_element->BaseAddress << - MEM_ADDR_64MB_SHIFT_BITS); - uint64_t size = - (uint64_t)((uint64_t)mem_element->ElementSize << - MEM_ADDR_64MB_SHIFT_BITS); - - printk(BIOS_DEBUG, "memory_map %d addr: 0x%llx, BaseAddress: 0x%x, size: 0x%llx, " - "ElementSize: 0x%x, type: %d, reserved: %d\n", - e, addr, mem_element->BaseAddress, size, - mem_element->ElementSize, mem_element->Type, - is_memtype_reserved(mem_element->Type)); - - assert(mmap_index < MAX_ACPI_MEMORY_AFFINITY_COUNT); - - /* skip reserved memory region */ - if (is_memtype_reserved(mem_element->Type)) - continue; - /* skip all non processor attached memory regions */ - if (CONFIG(SOC_INTEL_HAS_CXL) && - (!is_memtype_processor_attached(mem_element->Type))) - continue; - - /* skip if this address is already added */ - bool skip = false; - for (int idx = 0; idx < mmap_index; ++idx) { - uint64_t base_addr = ((uint64_t)srat_mem[idx].base_address_high << 32) + - srat_mem[idx].base_address_low; - if (addr == base_addr) { - skip = true; - break; - } + acpi_srat_mem_t srat; + uint64_t addr, size; + + addr = ((uint64_t)e->BaseAddress << MEM_ADDR_64MB_SHIFT_BITS); + size = ((uint64_t)e->ElementSize << MEM_ADDR_64MB_SHIFT_BITS); + + printk(BIOS_DEBUG, "SRAT: sysmemmap addr: 0x%llx, BaseAddress: 0x%x, size: 0x%llx, " + "ElementSize: 0x%x, type: %d, reserved: %d\n", addr, e->BaseAddress, + size, e->ElementSize, e->Type, is_memtype_reserved(e->Type)); + + /* skip reserved memory region */ + if (is_memtype_reserved(e->Type)) + return; + + /* skip all non processor attached memory regions */ + if (CONFIG(SOC_INTEL_HAS_CXL) && + (!is_memtype_processor_attached(e->Type))) + return; + + /* Prepare ACPI table entry */ + memset(&srat, 0, sizeof(acpi_srat_mem_t)); + + srat.type = 1; /* Memory affinity structure */ + srat.length = sizeof(acpi_srat_mem_t); + srat.base_address_low = (uint32_t)(addr & 0xffffffff); + srat.base_address_high = (uint32_t)(addr >> 32); + srat.length_low = (uint32_t)(size & 0xffffffff); + srat.length_high = (uint32_t)(size >> 32); + srat.proximity_domain = memory_to_pd(e); + srat.flags = ACPI_SRAT_MEMORY_ENABLED; + if (is_memtype_non_volatile(e->Type)) + srat.flags |= ACPI_SRAT_MEMORY_NONVOLATILE; + + /* skip if this address is already added */ + bool skip = false; + for (int i = 0; i < *cnt; i++) { + if ((srat.base_address_high == current[-i].base_address_high) && + (srat.base_address_low == current[-i].base_address_low)) { + skip = true; + break; } - if (skip) - continue; - - srat_mem[mmap_index].type = 1; /* Memory affinity structure */ - srat_mem[mmap_index].length = sizeof(acpi_srat_mem_t); - srat_mem[mmap_index].base_address_low = (uint32_t)(addr & 0xffffffff); - srat_mem[mmap_index].base_address_high = (uint32_t)(addr >> 32); - srat_mem[mmap_index].length_low = (uint32_t)(size & 0xffffffff); - srat_mem[mmap_index].length_high = (uint32_t)(size >> 32); - srat_mem[mmap_index].proximity_domain = memory_to_pd(mem_element); - srat_mem[mmap_index].flags = ACPI_SRAT_MEMORY_ENABLED; - if (is_memtype_non_volatile(mem_element->Type)) - srat_mem[mmap_index].flags |= ACPI_SRAT_MEMORY_NONVOLATILE; - ++mmap_index; } - return mmap_index; + if (!skip) { + printk(BIOS_DEBUG, "SRAT: adding memory %d entry length: %d, addr: 0x%x%x, " + "length: 0x%x%x, proximity_domain: %d, flags: %x\n", + *cnt, srat.length, srat.base_address_high, srat.base_address_low, + srat.length_high, srat.length_low, srat.proximity_domain, srat.flags); + + memcpy(current, &srat, sizeof(acpi_srat_mem_t)); + (*cnt)++; + } } static unsigned long acpi_fill_srat(unsigned long current) { - acpi_srat_mem_t srat_mem[MAX_ACPI_MEMORY_AFFINITY_COUNT]; - unsigned int mem_count; + const struct SystemMemoryMapHob *memory_map; + acpi_srat_mem_t *acpi_srat; + int cnt = 0; + + memory_map = get_system_memory_map(); + assert(memory_map); + printk(BIOS_DEBUG, "SRAT: memory_map: %p\n", memory_map); /* create all subtables for processors */ current = acpi_create_srat_lapics(current); + acpi_srat = (acpi_srat_mem_t *)current; - memset(srat_mem, 0, sizeof(srat_mem)); - mem_count = get_srat_memory_entries(srat_mem); - for (int i = 0; i < mem_count; ++i) { - printk(BIOS_DEBUG, "adding srat memory %d entry length: %d, addr: 0x%x%x, " - "length: 0x%x%x, proximity_domain: %d, flags: %x\n", - i, srat_mem[i].length, - srat_mem[i].base_address_high, srat_mem[i].base_address_low, - srat_mem[i].length_high, srat_mem[i].length_low, - srat_mem[i].proximity_domain, srat_mem[i].flags); - memcpy((acpi_srat_mem_t *)current, &srat_mem[i], sizeof(srat_mem[i])); - current += srat_mem[i].length; + for (int i = 0; i < memory_map->numberEntries; ++i) { + const struct SystemMemoryMapElement *e = &memory_map->Element[i]; + acpi_fill_srat_memory(&cnt, &acpi_srat[cnt], e); } + printk(BIOS_DEBUG, "SRAT: Added %d memory entries\n", cnt); + + current = (unsigned long)&acpi_srat[cnt]; if (CONFIG(SOC_INTEL_HAS_CXL)) current = cxl_fill_srat(current); |