diff options
Diffstat (limited to 'src/northbridge/amd/amdk8/amdk8_acpi.c')
| -rw-r--r-- | src/northbridge/amd/amdk8/amdk8_acpi.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdk8/amdk8_acpi.c b/src/northbridge/amd/amdk8/amdk8_acpi.c new file mode 100644 index 0000000000..71bcdbbd1a --- /dev/null +++ b/src/northbridge/amd/amdk8/amdk8_acpi.c @@ -0,0 +1,179 @@ +/*============================================================================ +Copyright 2005 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +This software and any related documentation (the "Materials") are the +confidential proprietary information of AMD. Unless otherwise provided in a +software agreement specifically licensing the Materials, the Materials are +provided in confidence and may not be distributed, modified, or reproduced in +whole or in part by any means. +LIMITATION OF LIABILITY: THE MATERIALS ARE PROVIDED "AS IS" WITHOUT ANY +EXPRESS OR IMPLIED WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO +WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY +PARTICULAR PURPOSE, OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR +USAGE OF TRADE. IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY +DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, +BUSINESS INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OF OR +INABILITY TO USE THE MATERIALS, EVEN IF AMD HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE EXCLUSION +OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE +LIMITATION MAY NOT APPLY TO YOU. +AMD does not assume any responsibility for any errors which may appear in the +Materials nor any responsibility to support or update the Materials. AMD +retains the right to modify the Materials at any time, without notice, and is +not obligated to provide such modified Materials to you. +NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +further information, software, technical information, know-how, or show-how +available to you. +U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with "RESTRICTED +RIGHTS." Use, duplication, or disclosure by the Government is subject to the +restrictions as set forth in FAR 52.227-14 and DFAR 252.227-7013, et seq., or +its successor. Use of the Materials by the Government constitutes +acknowledgement of AMD's proprietary rights in them. +============================================================================*/ +// 2005.9 serengeti support +// by yhlu +// + +/* + * 2005.9 yhlu add madt lapic creat dynamically and SRAT related + */ + +#include <console/console.h> +#include <string.h> +#include <arch/acpi.h> +#include <device/pci.h> +#include <cpu/x86/msr.h> +#include <cpu/amd/mtrr.h> + +//it seems these function can be moved arch/i386/boot/acpi.c + +unsigned long acpi_create_madt_lapics(unsigned long current) +{ + device_t cpu; + int cpu_index = 0; + + for(cpu = all_devices; cpu; cpu = cpu->next) { + if ((cpu->path.type != DEVICE_PATH_APIC) || + (cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER)) + { + continue; + } + if (!cpu->enabled) { + continue; + } + current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, cpu_index, cpu->path.u.apic.apic_id); + cpu_index++; + + } + + return current; +} + +unsigned long acpi_create_madt_lapic_nmis(unsigned long current, u16 flags, u8 lint) +{ + device_t cpu; + int cpu_index = 0; + + for(cpu = all_devices; cpu; cpu = cpu->next) { + if ((cpu->path.type != DEVICE_PATH_APIC) || + (cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER)) + { + continue; + } + if (!cpu->enabled) { + continue; + } + current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, cpu_index, flags, lint); + cpu_index++; + + } + + return current; +} +unsigned long acpi_create_srat_lapics(unsigned long current) +{ + device_t cpu; + int cpu_index = 0; + + for(cpu = all_devices; cpu; cpu = cpu->next) { + if ((cpu->path.type != DEVICE_PATH_APIC) || + (cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER)) + { + continue; + } + if (!cpu->enabled) { + continue; + } + printk_debug("SRAT: lapic cpu_index=%02x, node_id=%02x, apic_id=%02x\n", cpu_index, cpu->path.u.apic.node_id, cpu->path.u.apic.apic_id); + current += acpi_create_srat_lapic((acpi_srat_lapic_t *)current, cpu->path.u.apic.node_id, cpu->path.u.apic.apic_id); + cpu_index++; + + } + + return current; +} + +static unsigned long resk(uint64_t value) +{ + unsigned long resultk; + if (value < (1ULL << 42)) { + resultk = value >> 10; + } + else { + resultk = 0xffffffff; + } + return resultk; +} + + +struct acpi_srat_mem_state { + unsigned long current; +}; + +void set_srat_mem(void *gp, struct device *dev, struct resource *res) +{ + struct acpi_srat_mem_state *state = gp; + unsigned long basek, sizek; + basek = resk(res->base); + sizek = resk(res->size); + + printk_debug("set_srat_mem: dev %s, res->index=%04x startk=%08x, sizek=%08x\n", + dev_path(dev), res->index, basek, sizek); + /* + 0-640K must be on node 0 + next range is from 1M--- + So will cut off before 1M in the mem range + */ + if((basek+sizek)<1024) return; + + if(basek<1024) { + sizek -= 1024 - basek; + basek = 1024; + } + + state->current += acpi_create_srat_mem((acpi_srat_mem_t *)state->current, (res->index & 0xf), basek, sizek, 1); // need to figure out NV +} + + +unsigned long acpi_fill_srat(unsigned long current) +{ + struct acpi_srat_mem_state srat_mem_state; + + /* create all subtables for processors */ + current = acpi_create_srat_lapics(current); + + /* create all subteble for memory range */ + + /* 0-640K must be on node 0 */ + current += acpi_create_srat_mem((acpi_srat_mem_t *)current, 0, 0, 640, 1);//enable +#if 1 + srat_mem_state.current = current; + search_global_resources( + IORESOURCE_MEM | IORESOURCE_CACHEABLE, IORESOURCE_MEM | IORESOURCE_CACHEABLE, + set_srat_mem, &srat_mem_state); + + current = srat_mem_state.current; +#endif + return current; +} +//end + |