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Fix up Sandybridge C state generation code

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This code fixes the sandybridge C state generation code to work with
the current version of the ACPI code generator.

Change-Id: I56ae1185dc0694c06976236523fdcbe5c1795b01
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/950
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Stefan Reinauer 2012-04-27 23:13:39 +02:00
parent f69b46805c
commit c31384e62c
2 changed files with 13 additions and 6 deletions
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1
src/arch/x86/include/arch/cpu.h
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@ -152,6 +152,7 @@ struct cpu_device_id {
struct cpu_driver { struct cpu_driver {
struct device_operations *ops; struct device_operations *ops;
struct cpu_device_id *id_table; struct cpu_device_id *id_table;
struct acpi_cstate *cstates;
}; };
struct device; struct device;

18
src/cpu/intel/model_206ax/acpi.c
View File

@ -76,12 +76,18 @@ static int generate_cstate_entries(acpi_cstate_t *cstates,
length += acpigen_write_byte(cstate_count); length += acpigen_write_byte(cstate_count);
/* Add an entry if the level is enabled */ /* Add an entry if the level is enabled */
if (c1 > 0) if (c1 > 0) {
length += acpigen_write_CST_package(1, &cstates[c1]); cstates[c1].ctype = 1;
if (c2 > 0) length += acpigen_write_CST_package_entry(&cstates[c1]);
length += acpigen_write_CST_package(2, &cstates[c2]); }
if (c3 > 0) if (c2 > 0) {
length += acpigen_write_CST_package(3, &cstates[c3]); cstates[c2].ctype = 2;
length += acpigen_write_CST_package_entry(&cstates[c2]);
}
if (c3 > 0) {
cstates[c2].ctype = 2;
length += acpigen_write_CST_package_entry(&cstates[c3]);
}
acpigen_patch_len(length - 1); acpigen_patch_len(length - 1);
return length; return length;