On 11/06/2016 08:14 PM, macro.wav...@gmail.com wrote: > From: Hongbo Zhang <hongbo.zh...@nxp.com> > > 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.zh...@nxp.com> > --- > arch/arm/cpu/armv8/fsl-layerscape/Makefile | 1 + > arch/arm/cpu/armv8/fsl-layerscape/ls1043a_psci.S | 20 ++++++++++++++++++++ > board/freescale/ls1043ardb/Kconfig | 9 +++++++++ > configs/ls1043ardb_defconfig | 3 +++ > 4 files changed, 33 insertions(+) > create mode 100644 arch/arm/cpu/armv8/fsl-layerscape/ls1043a_psci.S > > 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.zh...@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 > diff --git a/board/freescale/ls1043ardb/Kconfig > b/board/freescale/ls1043ardb/Kconfig > index 51818ec..0c596f9 100644 > --- a/board/freescale/ls1043ardb/Kconfig > +++ b/board/freescale/ls1043ardb/Kconfig > @@ -13,4 +13,13 @@ config SYS_SOC > config SYS_CONFIG_NAME > default "ls1043ardb" > > +config SYS_HAS_ARMV8_SECURE_BASE > + bool "Enable secure RAM for PSCI image" > + depends on ARMV8_PSCI > + default y > + help > + PSCI image can be re-located to secure RAM. > + If enabled, please also define the value for ARMV8_SECURE_BASE, > + for LS1043ARDB, it is address in OCRAM. > + > endif > diff --git a/configs/ls1043ardb_defconfig b/configs/ls1043ardb_defconfig > index 79a4eb2..cb189f3 100644 > --- a/configs/ls1043ardb_defconfig > +++ b/configs/ls1043ardb_defconfig > @@ -28,3 +28,6 @@ CONFIG_DM_USB=y > CONFIG_USB_XHCI_HCD=y > CONFIG_USB_XHCI_DWC3=y > CONFIG_USB_STORAGE=y > +CONFIG_ARMV8_PSCI=y > +CONFIG_ARMV8_PSCI_CPUS_PER_CLUSTER=4 > +CONFIG_ARMV8_SECURE_BASE=0x10010000 >
How do you decide the CONFIG_ARMV8_SECURE_BASE? Zhiqiang, Does this patch set interfere with existing PPA support? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
