diff options
Diffstat (limited to 'src/mainboard/lenovo/t60')
| -rw-r--r-- | src/mainboard/lenovo/t60/acpi_tables.c | 178 |
1 files changed, 1 insertions, 177 deletions
diff --git a/src/mainboard/lenovo/t60/acpi_tables.c b/src/mainboard/lenovo/t60/acpi_tables.c index c81c2f6c9c..ada7d086bf 100644 --- a/src/mainboard/lenovo/t60/acpi_tables.c +++ b/src/mainboard/lenovo/t60/acpi_tables.c @@ -30,13 +30,8 @@ #include <device/pci.h> #include <device/pci_ids.h> -extern const unsigned char AmlCode[]; -#if CONFIG_HAVE_ACPI_SLIC -unsigned long acpi_create_slic(unsigned long current); -#endif - #include "southbridge/intel/i82801gx/nvs.h" -static void acpi_create_gnvs(global_nvs_t *gnvs) +void acpi_create_gnvs(global_nvs_t *gnvs) { memset((void *)gnvs, 0, sizeof(*gnvs)); gnvs->apic = 1; @@ -83,12 +78,6 @@ 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()); -} - unsigned long acpi_fill_slit(unsigned long current) { // Not implemented @@ -100,168 +89,3 @@ unsigned long acpi_fill_srat(unsigned long current) /* No NUMA, no SRAT */ return current; } - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1); - -#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; -#if CONFIG_HAVE_ACPI_SLIC - acpi_header_t *slic; -#endif - acpi_header_t *ssdt; - acpi_header_t *dsdt; - void *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); - - /* - * 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_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); - - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - ALIGN_CURRENT; - acpi_create_facs(facs); - - dsdt = (acpi_header_t *) current; - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - - /* Fix up global NVS region for SMI handler. The GNVS region lives - * in the (high) table area. The low memory map looks like this: - * - * 0x00000000 - 0x000003ff Real Mode IVT - * 0x00000020 - 0x0000019c Low MP Table (XXX conflict?) - * 0x00000400 - 0x000004ff BDA (somewhat unused) - * 0x00000500 - 0x0000052f Moved GDT - * 0x00000530 - 0x00000b64 coreboot table - * 0x0007c000 - 0x0007dfff OS boot sector (unused?) - * 0x0007e000 - 0x0007ffff free to use (so no good for acpi+smi) - * 0x00080000 - 0x0009fbff usable ram - * 0x0009fc00 - 0x0009ffff EBDA (unused?) - * 0x000a0000 - 0x000bffff VGA memory - * 0x000c0000 - 0x000cffff VGA option rom - * 0x000d0000 - 0x000dffff free for other option roms? - * 0x000e0000 - 0x000fffff SeaBIOS? (conflict with low tables:) - * 0x000f0000 - 0x000f03ff PIRQ table - * 0x000f0400 - 0x000f66?? ACPI tables - * 0x000f66?? - 0x000f???? DMI tables - */ - - ALIGN_CURRENT; - - /* Pack GNVS into the ACPI table area */ - 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 -> 0x%08x\n", i, (u32)current); - *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes - break; - } - } - - /* And fill it */ - acpi_create_gnvs((global_nvs_t *)current); - - /* Keep pointer around */ - gnvs = (void *)current; - - current += 0x100; - ALIGN_CURRENT; - - /* And tell SMI about it */ - smm_setup_structures(gnvs, NULL, NULL); - - /* 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); - -#if CONFIG_HAVE_ACPI_SLIC - printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; - current += acpi_create_slic(current); - ALIGN_CURRENT; - acpi_add_table(rsdp, slic); -#endif - - 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); - - 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; -} |