On Tue, Nov 15, 2016 at 2:12 AM, york sun <york....@nxp.com> wrote: > 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? >
It is OCRAM1, just like ARMv7 LS1021. > 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
