From 03fb0958c9090eb3add089cb9f5a8a5ecb30ddf6 Mon Sep 17 00:00:00 2001 From: Sumit Garg Date: Mon, 26 Nov 2018 16:50:17 +0530 Subject: qemu-arm: Add persistent environment support Currently on qemu-arm platforms environment is kept in RAM. Instead use pflash device 1 to provide persistent environment support across device reset. Also (optionally) provide support for persistent environment across qemu machine OFF/ON using following instructions: - Create envstore.img using qemu-img: qemu-img create -f raw envstore.img 64M - Add a pflash drive parameter to the command line: -drive if=pflash,format=raw,index=1,file=envstore.img Signed-off-by: Sumit Garg --- configs/qemu_arm_defconfig | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'configs/qemu_arm_defconfig') diff --git a/configs/qemu_arm_defconfig b/configs/qemu_arm_defconfig index acebdc5..b75363e 100644 --- a/configs/qemu_arm_defconfig +++ b/configs/qemu_arm_defconfig @@ -29,3 +29,10 @@ CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_PCI=y +CONFIG_ENV_IS_IN_FLASH=y +CONFIG_MTD=y +CONFIG_MTD_NOR_FLASH=y +CONFIG_FLASH_CFI_DRIVER=y +CONFIG_CFI_FLASH=y +CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y +CONFIG_SYS_FLASH_CFI=y -- cgit v1.1