diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/braswell/acpi.c | 100 | ||||
| -rw-r--r-- | src/soc/intel/braswell/include/soc/acpi.h | 5 | ||||
| -rw-r--r-- | src/soc/intel/braswell/southcluster.c | 4 |
3 files changed, 77 insertions, 32 deletions
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c index e008f07513..ab83cf485b 100644 --- a/src/soc/intel/braswell/acpi.c +++ b/src/soc/intel/braswell/acpi.c @@ -27,6 +27,7 @@ #include <cbfs.h> #include <cbmem.h> #include <console/console.h> +#include <cpu/cpu.h> #include <cpu/intel/turbo.h> #include <cpu/x86/msr.h> #include <cpu/x86/smm.h> @@ -141,37 +142,6 @@ static int acpi_sci_irq(void) return sci_irq; } -void acpi_create_intel_hpet(acpi_hpet_t *hpet) -{ - 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 = (unsigned long long)HPET_BASE_ADDRESS & 0xffffffff; - addr->addrh = (unsigned long long)HPET_BASE_ADDRESS >> 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_mcfg(unsigned long current) { current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current, @@ -505,6 +475,74 @@ unsigned long acpi_madt_irq_overrides(unsigned long current) return current; } +#define ALIGN_CURRENT current = (ALIGN(current, 16)) + +unsigned long southcluster_write_acpi_tables(device_t device, + unsigned long current, + struct acpi_rsdp *rsdp) +{ + acpi_header_t *ssdt2; + + current = acpi_write_hpet(device, current, rsdp); + ALIGN_CURRENT; + +#if CONFIG_GOP_SUPPORT + igd_opregion_t *opregion; + + printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n"); + opregion = (igd_opregion_t *)current; + init_igd_opregion(opregion); + current += sizeof(igd_opregion_t); + ALIGN_CURRENT; +#endif + + ssdt2 = (acpi_header_t *)current; + memset(ssdt2, 0, sizeof(acpi_header_t)); + acpi_create_serialio_ssdt(ssdt2); + if (ssdt2->length) { + current += ssdt2->length; + acpi_add_table(rsdp, ssdt2); + printk(BIOS_DEBUG, "ACPI: * SSDT2 @ %p Length %x\n",ssdt2, + ssdt2->length); + ALIGN_CURRENT; + } else { + ssdt2 = NULL; + printk(BIOS_DEBUG, "ACPI: * SSDT2 not generated.\n"); + } + + printk(BIOS_DEBUG, "current = %lx\n", current); + + return current; +} + +void southcluster_inject_dsdt(device_t device) +{ + global_nvs_t *gnvs; + + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (!gnvs) { + gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + if (gnvs) + memset(gnvs, 0, sizeof(*gnvs)); + } + + if (gnvs) { + acpi_create_gnvs(gnvs); + acpi_save_gnvs((unsigned long)gnvs); + /* And tell SMI about it */ + smm_setup_structures(gnvs, NULL, NULL); + + /* Add it to DSDT. */ + acpigen_write_scope("\\"); + acpigen_write_name_dword("NVSA", (u32) gnvs); + acpigen_pop_len(); + } +} + +__attribute__((weak)) void acpi_create_serialio_ssdt(acpi_header_t *ssdt) +{ +} + #if CONFIG_GOP_SUPPORT /* Reading VBT table from flash */ static void get_fsp_vbt(igd_opregion_t *opregion) diff --git a/src/soc/intel/braswell/include/soc/acpi.h b/src/soc/intel/braswell/include/soc/acpi.h index 7f0d5d85d8..e6949615d8 100644 --- a/src/soc/intel/braswell/include/soc/acpi.h +++ b/src/soc/intel/braswell/include/soc/acpi.h @@ -29,10 +29,13 @@ int init_igd_opregion(igd_opregion_t *igd_opregion); #endif -void acpi_create_intel_hpet(acpi_hpet_t *hpet); +void acpi_create_serialio_ssdt(acpi_header_t *ssdt); void acpi_fill_in_fadt(acpi_fadt_t *fadt); unsigned long acpi_madt_irq_overrides(unsigned long current); void acpi_init_gnvs(global_nvs_t *gnvs); +void southcluster_inject_dsdt(device_t device); +unsigned long southcluster_write_acpi_tables(device_t device, + unsigned long current, struct acpi_rsdp *rsdp); #endif /* _SOC_ACPI_H_ */ diff --git a/src/soc/intel/braswell/southcluster.c b/src/soc/intel/braswell/southcluster.c index 5a3ad9dd31..a3877d6766 100644 --- a/src/soc/intel/braswell/southcluster.c +++ b/src/soc/intel/braswell/southcluster.c @@ -21,6 +21,7 @@ #include <arch/io.h> #include <arch/acpi.h> +#include <arch/acpigen.h> #include <bootstate.h> #include <cbmem.h> #include "chip.h" @@ -31,6 +32,7 @@ #include <device/pci_ids.h> #include <pc80/mc146818rtc.h> #include <romstage_handoff.h> +#include <soc/acpi.h> #include <soc/iomap.h> #include <soc/irq.h> #include <soc/lpc.h> @@ -449,6 +451,8 @@ static struct device_operations device_ops = { .read_resources = sc_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = NULL, + .acpi_inject_dsdt_generator = southcluster_inject_dsdt, + .write_acpi_tables = southcluster_write_acpi_tables, .init = sc_init, .enable = southcluster_enable_dev, .scan_bus = scan_lpc_bus, |