breeze/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-25 15:03:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

firmware/psci: Add definitions for PSCI v1.3 specification

Browse Source 
The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds
the SYSTEM_OFF2 function. Add definitions for it and its hibernation type
parameter.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Miguel Luis <miguel.luis@oracle.com>
Link: https://lore.kernel.org/r/20241019172459.2241939-2-dwmw2@infradead.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
David Woodhouse
2024-10-19 18:15:42 +01:00
committed by Oliver Upton
parent 8e929cb546
commit 2f2d469598
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/uapi/linux/psci.h
View File

@@ -59,6 +59,7 @@
#define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18)
#define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19)
#define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(20)
#define PSCI_1_3_FN_SYSTEM_OFF2 PSCI_0_2_FN(21)
#define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12)
#define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13)
@@ -68,6 +69,7 @@
#define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18)
#define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(20)
#define PSCI_1_3_FN64_SYSTEM_OFF2 PSCI_0_2_FN64(21)
/* PSCI v0.2 power state encoding for CPU_SUSPEND function */
#define PSCI_0_2_POWER_STATE_ID_MASK 0xffff
@@ -100,6 +102,9 @@
#define PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET 0
#define PSCI_1_1_RESET_TYPE_VENDOR_START 0x80000000U
/* PSCI v1.3 hibernate type for SYSTEM_OFF2 */
#define PSCI_1_3_OFF_TYPE_HIBERNATE_OFF BIT(0)
/* PSCI version decoding (independent of PSCI version) */
#define PSCI_VERSION_MAJOR_SHIFT 16
#define PSCI_VERSION_MINOR_MASK \