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ARMv7: PSCI: add PSCI v1.0 functions skeleton

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This patch adds all the PSCI v1.0 functions in to the common framework, with
all the functions returning "not implemented" by default, as a common framework
all the dummy functions are added here, it is up to every platform developer to
decide which version of PSCI and which functions to implement.

Signed-off-by: Hongbo Zhang <hongbo.zhang@nxp.com>
Signed-off-by: Wang Dongsheng <dongsheng.wang@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Hongbo Zhang
2016-07-21 18:09:36 +08:00
committed by York Sun
parent 9d3b8bd166
commit 116339d460
2 changed files with 94 additions and 0 deletions
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16
arch/arm/include/asm/psci.h
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@@ -31,6 +31,12 @@
#define ARM_PSCI_RET_NI (-1)
#define ARM_PSCI_RET_INVAL (-2)
#define ARM_PSCI_RET_DENIED (-3)
#define ARM_PSCI_RET_ALREADY_ON (-4)
#define ARM_PSCI_RET_ON_PENDING (-5)
#define ARM_PSCI_RET_INTERNAL_FAILURE (-6)
#define ARM_PSCI_RET_NOT_PRESENT (-7)
#define ARM_PSCI_RET_DISABLED (-8)
#define ARM_PSCI_RET_INVALID_ADDRESS (-9)
/* PSCI 0.2 interface */
#define ARM_PSCI_0_2_FN_BASE 0x84000000
@@ -47,6 +53,16 @@
#define ARM_PSCI_0_2_FN_SYSTEM_OFF ARM_PSCI_0_2_FN(8)
#define ARM_PSCI_0_2_FN_SYSTEM_RESET ARM_PSCI_0_2_FN(9)
/* PSCI 1.0 interface */
#define ARM_PSCI_1_0_FN_PSCI_FEATURES ARM_PSCI_0_2_FN(10)
#define ARM_PSCI_1_0_FN_CPU_FREEZE ARM_PSCI_0_2_FN(11)
#define ARM_PSCI_1_0_FN_CPU_DEFAULT_SUSPEND ARM_PSCI_0_2_FN(12)
#define ARM_PSCI_1_0_FN_NODE_HW_STATE ARM_PSCI_0_2_FN(13)
#define ARM_PSCI_1_0_FN_SYSTEM_SUSPEND ARM_PSCI_0_2_FN(14)
#define ARM_PSCI_1_0_FN_SET_SUSPEND_MODE ARM_PSCI_0_2_FN(15)
#define ARM_PSCI_1_0_FN_STAT_RESIDENCY ARM_PSCI_0_2_FN(16)
#define ARM_PSCI_1_0_FN_STAT_COUNT ARM_PSCI_0_2_FN(17)
/* 1KB stack per core */
#define ARM_PSCI_STACK_SHIFT 10
#define ARM_PSCI_STACK_SIZE (1 << ARM_PSCI_STACK_SHIFT)