diff options
Diffstat (limited to 'src/mainboard/google')
-rw-r--r-- | src/mainboard/google/rambi/acpi_tables.c | 147 |
1 files changed, 1 insertions, 146 deletions
diff --git a/src/mainboard/google/rambi/acpi_tables.c b/src/mainboard/google/rambi/acpi_tables.c index 1196ffe49e..d7ef665658 100644 --- a/src/mainboard/google/rambi/acpi_tables.c +++ b/src/mainboard/google/rambi/acpi_tables.c @@ -34,9 +34,7 @@ #include <soc/nvs.h> #include <soc/iomap.h> -extern const unsigned char AmlCode[]; - -static void acpi_create_gnvs(global_nvs_t *gnvs) +void acpi_create_gnvs(global_nvs_t *gnvs) { acpi_init_gnvs(gnvs); @@ -68,146 +66,3 @@ 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()); -} - -#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; - acpi_header_t *ssdt; - acpi_header_t *dsdt; - global_nvs_t *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); - - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - ALIGN_CURRENT; - acpi_create_facs(facs); - - printk(BIOS_DEBUG, "ACPI: * DSDT\n"); - dsdt = (acpi_header_t *) current; - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - - ALIGN_CURRENT; - - 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); - - /* - * 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); - - /* Update GNVS pointer into CBMEM */ - gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); - if (!gnvs) { - printk(BIOS_DEBUG, "ACPI: Could not find CBMEM GNVS\n"); - gnvs = (global_nvs_t *)current; - } - - 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 -> %p\n", i, gnvs); - *(u32*)(((u32)dsdt) + i) = (unsigned long)gnvs; - acpi_save_gnvs((unsigned long)gnvs); - break; - } - } - - /* And fill it */ - acpi_create_gnvs(gnvs); - - /* And tell SMI about it */ - smm_setup_structures(gnvs, NULL, NULL); - - current += sizeof(global_nvs_t); - ALIGN_CURRENT; - - /* 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); - - 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; -} |