[coreboot-gerrit] New patch to review for coreboot: x86: acpi: Use GOOG ID for coreboot table
Duncan Laurie (dlaurie@chromium.org)
gerrit at coreboot.org
Thu Sep 22 23:12:14 CEST 2016
Duncan Laurie (dlaurie at chromium.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16724
-gerrit
commit ab58af1ee1b434b9910148644c7440644b0cb56e
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Thu Sep 22 14:08:33 2016 -0700
x86: acpi: Use GOOG ID for coreboot table
Use the GOOG ACPI ID until there is an official ID allocation
for coreboot. Since I administer this range I allocated
0xCB00-0xCBFF for coreboot use.
Change-Id: I38ac0a0267e21f7282c89ef19e8bb72339f13846
Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
---
src/arch/x86/acpigen.c | 2 +-
src/arch/x86/include/arch/acpi.h | 7 +++++--
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c
index c55611b..2d626ab 100644
--- a/src/arch/x86/acpigen.c
+++ b/src/arch/x86/acpigen.c
@@ -224,7 +224,7 @@ void acpigen_write_coreboot_hid(enum coreboot_acpi_ids id)
{
char hid[9]; /* CORExxxx */
- snprintf(hid, sizeof(hid), "%.4s%04u", COREBOOT_ACPI_ID, id);
+ snprintf(hid, sizeof(hid), "%.4s%04X", COREBOOT_ACPI_ID, id);
acpigen_write_name_string("_HID", hid);
}
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index 7d29931..6a548ba 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -57,11 +57,14 @@
#define ACPI_TABLE_CREATOR "COREBOOT" /* Must be exactly 8 bytes long! */
#define OEM_ID "CORE " /* Must be exactly 6 bytes long! */
#define ASLC "CORE" /* Must be exactly 4 bytes long! */
-#define COREBOOT_ACPI_ID "CORE" /* ACPI ID for coreboot HIDs */
+
+/* Use GOOGCGxx range until coreboot ID is official */
+#define COREBOOT_ACPI_ID "GOOG" /* ACPI ID for coreboot HIDs */
/* List of ACPI HID that use the coreboot ACPI ID */
enum coreboot_acpi_ids {
- COREBOOT_ACPI_ID_CBTABLE, /* CORE0000 */
+ COREBOOT_ACPI_ID_CBTABLE = 0xCB00, /* GOOGCB00 */
+ COREBOOT_ACPI_ID_MAX = 0xCBFF, /* GOOGCBFF */
};
/* RSDP (Root System Description Pointer) */
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