diff options
author | Vladimir Serbinenko <phcoder@gmail.com> | 2014-09-01 22:18:01 +0200 |
---|---|---|
committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-12-18 12:17:52 +0100 |
commit | 41877d8690c79ce1ff12272d4427e8ff4f5cfc74 (patch) | |
tree | d1f9fc5bb5a2fd581b850a7203d53d7514a9088d /src/southbridge/intel/i82371eb/acpi_tables.c | |
parent | efb2a8f7f378d71f29ee3a1bfac9d9c46c753606 (diff) |
i82371eb & qemu: Move to per-device ACPI.
This one is special because qemu is really far from anything real but
shares some common features.
Change-Id: Ia1631611724a074780e1fece50166730b2ee94ae
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6939
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/southbridge/intel/i82371eb/acpi_tables.c')
-rw-r--r-- | src/southbridge/intel/i82371eb/acpi_tables.c | 100 |
1 files changed, 4 insertions, 96 deletions
diff --git a/src/southbridge/intel/i82371eb/acpi_tables.c b/src/southbridge/intel/i82371eb/acpi_tables.c index 891ae22b01..64d2c23d0a 100644 --- a/src/southbridge/intel/i82371eb/acpi_tables.c +++ b/src/southbridge/intel/i82371eb/acpi_tables.c @@ -28,8 +28,6 @@ #include <device/pci_ids.h> #include "i82371eb.h" -extern const unsigned char AmlCode[]; - static int determine_total_number_of_cores(void) { device_t cpu; @@ -49,21 +47,18 @@ static int determine_total_number_of_cores(void) void generate_cpu_entries(void) { - int len; - int len_pr; int cpu, pcontrol_blk=DEFAULT_PMBASE+PCNTRL, plen=6; int numcpus = determine_total_number_of_cores(); printk(BIOS_DEBUG, "Found %d CPU(s).\n", numcpus); /* without the outer scope, furhter ssdt addition will end up * within the processor statement */ - len = acpigen_write_scope("\\_PR"); + acpigen_write_scope("\\_PR"); for (cpu=0; cpu < numcpus; cpu++) { - len_pr = acpigen_write_processor(cpu, pcontrol_blk, plen); - acpigen_patch_len(len_pr - 1); - len += len_pr; + acpigen_write_processor(cpu, pcontrol_blk, plen); + acpigen_pop_len(); } - acpigen_patch_len(len - 1); + acpigen_pop_len(); } unsigned long __attribute__((weak)) acpi_fill_slit(unsigned long current) @@ -83,90 +78,3 @@ unsigned long acpi_fill_mcfg(unsigned long current) /* chipset doesn't have mmconfig */ return current; } - -unsigned long __attribute__((weak)) acpi_fill_ssdt_generator(unsigned long current, - const char *oem_table_id) -{ - acpigen_write_mainboard_resources("\\_SB.PCI0.MBRS", "_CRS"); - /* generate_cpu_entries() generates weird bytecode and has to come - * last or else the following entries will end up inside the - * processor scope */ - generate_cpu_entries(); - return (unsigned long) acpigen_get_current(); -} - -unsigned long __attribute__((weak)) write_acpi_tables(unsigned long start) -{ - unsigned long current; - acpi_rsdp_t *rsdp; - acpi_rsdt_t *rsdt; - acpi_fadt_t *fadt; - acpi_facs_t *facs; - acpi_madt_t *madt; - acpi_header_t *ssdt; - acpi_header_t *dsdt; - - /* Align ACPI tables to 16 byte. */ - start = ALIGN(start, 16); - current = start; - - 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); - rsdt = (acpi_rsdt_t *) current; - current += sizeof(acpi_rsdt_t); - - /* Clear all table memory. */ - memset((void *) start, 0, current - start); - - acpi_write_rsdp(rsdp, rsdt, NULL); - acpi_write_rsdt(rsdt); - - /* We explicitly add these tables later on: */ - printk(BIOS_DEBUG, "ACPI: * FACS\n"); - - /* we should align FACS to 64B as per ACPI specs */ - current = ALIGN(current, 64); - facs = (acpi_facs_t *) current; - current += sizeof(acpi_facs_t); - acpi_create_facs(facs); - - dsdt = (acpi_header_t *)current; - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - /* Don't trust iasl to get checksum right. */ - dsdt->checksum = 0; /* needs to be set to 0 first (part of csum) */ - dsdt->checksum = acpi_checksum((u8*)dsdt, dsdt->length); - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n", dsdt, - dsdt->length); - printk(BIOS_DEBUG, "ACPI: * FADT\n"); - - fadt = (acpi_fadt_t *) current; - current += sizeof(acpi_fadt_t); - - acpi_create_fadt(fadt, facs, dsdt); - acpi_add_table(rsdp, fadt); - - printk(BIOS_DEBUG, "ACPI: * MADT\n"); - madt = (acpi_madt_t *) current; - acpi_create_madt(madt); - if (madt->header.length > sizeof(acpi_madt_t)) { - current += madt->header.length; - acpi_add_table(rsdp, madt); - } else { - /* don't add empty madt */ - current = (unsigned long)madt; - } - - 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); - - printk(BIOS_INFO, "ACPI: done.\n"); - return current; -} |