diff options
| author | macro.wave.z@gmail.com <macro.wave.z@gmail.com> | 2016-12-08 11:58:26 +0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2016-12-15 11:57:56 -0800 |
| commit | c151cb5b516e609a0846bd392d6207a77b66a7ff (patch) | |
| tree | 297f9ad16dc591eda52639e0b368255aeb1f6fd2 /arch/arm/cpu | |
| parent | 9a561753ce48def18dbc4aa278c685c93ed0a77d (diff) | |
| download | u-boot-imx-c151cb5b516e609a0846bd392d6207a77b66a7ff.zip u-boot-imx-c151cb5b516e609a0846bd392d6207a77b66a7ff.tar.gz u-boot-imx-c151cb5b516e609a0846bd392d6207a77b66a7ff.tar.bz2 | |
ARMv8: LS1043A: Enable LS1043A default PSCI support
A most basic PSCI implementation with only one psci_version is added for
LS1043A, this can verify the generic PSCI framework, and more platform specific
implementation will be added later.
Signed-off-by: Hongbo Zhang <hongbo.zhang@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/ls1043a_psci.S | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Makefile b/arch/arm/cpu/armv8/fsl-layerscape/Makefile index 51c1cee..423b4b3 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Makefile +++ b/arch/arm/cpu/armv8/fsl-layerscape/Makefile @@ -28,6 +28,7 @@ endif ifneq ($(CONFIG_LS1043A),) obj-$(CONFIG_SYS_HAS_SERDES) += ls1043a_serdes.o +obj-$(CONFIG_ARMV8_PSCI) += ls1043a_psci.o endif ifneq ($(CONFIG_ARCH_LS1012A),) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ls1043a_psci.S b/arch/arm/cpu/armv8/fsl-layerscape/ls1043a_psci.S new file mode 100644 index 0000000..86045ac --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/ls1043a_psci.S @@ -0,0 +1,20 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * Author: Hongbo Zhang <hongbo.zhang@nxp.com> + * + * SPDX-License-Identifier: GPL-2.0+ + * This file implements LS102X platform PSCI SYSTEM-SUSPEND function + */ + +#include <config.h> +#include <linux/linkage.h> +#include <asm/psci.h> + + .pushsection ._secure.text, "ax" + +.globl psci_version +psci_version: + ldr w0, =0x00010000 /* PSCI v1.0 */ + ret + + .popsection |