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dmarc=none (p=none dis=none) header.from=oss.qualcomm.com X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=F1gHKBPB; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=Og73U0Jp X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Balaji Selvanathan via U-Boot Reply-To: Balaji Selvanathan Errors-To: u-boot-bounces@lists.u-boot-project.org Sender: "U-Boot" Add defconfig for booting U-Boot in Snagboot mode on Lemans-EVK. In this mode, XBL loads U-Boot and directly jumps to it. U-Boot then enters fastboot over USB for device provisioning. Create a reusable config fragment at configs/qcom-snagboot.config with common snagboot settings. Platform-specific defconfigs should include this fragment along with their own settings. Signed-off-by: Balaji Selvanathan --- Changes in v5: - Disable I2C configs as its not required in Snagboot mode Changes in v4: - Use CONFIG_ENV_IS_NOWHERE - Place Snagboot related configs in seperate config fragment called configs/qcom-snagboot.config - Include above config fragment in configs/qcom_lemans_snagboot_defconfig Changes in v3: - Removed enabling QCOM_COMMAND_DB_OPTIONAL, ENABLE_ARM_SOC_BOOT0_HOOK and SKIP_RELOCATE as they are now automatically enabled by QCOM_SNAGBOOT_SUPPORT selection Changes in v2: - Newly introduced in v2 --- configs/qcom-snagboot.config | 46 ++++++++++++++++++++++++++++++++++ configs/qcom_lemans_snagboot_defconfig | 18 +++++++++++++ 2 files changed, 64 insertions(+) diff --git a/configs/qcom-snagboot.config b/configs/qcom-snagboot.config new file mode 100644 index 00000000000..20b514a0a5d --- /dev/null +++ b/configs/qcom-snagboot.config @@ -0,0 +1,46 @@ +# Common configuration fragment for Qualcomm snagboot mode +# Include this in platform-specific snagboot defconfigs + +CONFIG_QCOM_SNAGBOOT_MODE=y + +# Disable configs that conflict with snagboot mode +# CONFIG_PSCI_RESET is not set +# CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR is not set +# CONFIG_IOMMU is not set +# CONFIG_REBOOT_MODE_ENV_UPDATE is not set + +# PSCI firmware is not available in snagboot mode, so nothing implements +# poweroff (neither SYSRESET_PSCI nor SYSRESET_CMD_POWEROFF are selected) +# CONFIG_CMD_POWEROFF is not set + +# I2C peripherals aren't accessible in snagboot mode (no Command DB / RPMh +# power-domain data from XBL), so probing them only produces noisy errors. +# CONFIG_DM_I2C is not set +# CONFIG_CMD_I2C is not set +# CONFIG_SYS_I2C_QUP is not set +# CONFIG_SYS_I2C_GENI is not set +# CONFIG_I2C_MUX is not set +# CONFIG_I2C_EEPROM is not set + +# Use default environment instead of loading from storage +# This ensures snagboot mode works even with corrupted environment +# CONFIG_ENV_IS_IN_SCSI is not set +# CONFIG_ENV_IS_IN_MMC is not set +# CONFIG_ENV_IS_IN_FLASH is not set +# CONFIG_ENV_IS_IN_NAND is not set +CONFIG_ENV_IS_NOWHERE=y + +# Disable default env file to use CONFIG_BOOTCOMMAND instead +# CONFIG_ENV_USE_DEFAULT_ENV_TEXT_FILE is not set + +# Auto-enter fastboot mode for snagboot +CONFIG_USE_BOOTCOMMAND=y +CONFIG_BOOTCOMMAND="fastboot -l $fastboot_addr_r usb 0" +CONFIG_BOOTDELAY=0 + +# Fastboot configuration for partition flashing +CONFIG_FASTBOOT_FLASH_BLOCK=y +CONFIG_FASTBOOT_FLASH_BLOCK_INTERFACE_NAME="scsi" +CONFIG_FASTBOOT_FLASH_BLOCK_DEVICE_ID=4 +CONFIG_FASTBOOT_GPT_NAME="gpt" +CONFIG_FASTBOOT_MBR_NAME="mbr" diff --git a/configs/qcom_lemans_snagboot_defconfig b/configs/qcom_lemans_snagboot_defconfig new file mode 100644 index 00000000000..d6906c1e501 --- /dev/null +++ b/configs/qcom_lemans_snagboot_defconfig @@ -0,0 +1,18 @@ +# Configuration for building U-Boot for snagboot/recovery mode +# on Lemans-EVK dev boards. +# +# For normal production boot, use qcom_lemans_defconfig instead. + +#include "qcom_defconfig" +#include "qcom-snagboot.config" + +# Platform-specific settings for Lemans-EVK + +# Address where U-Boot will be loaded +CONFIG_TEXT_BASE=0x1c100000 +CONFIG_REMAKE_ELF=y +CONFIG_FASTBOOT_BUF_ADDR=0xdb300000 +CONFIG_DEFAULT_DEVICE_TREE="qcom/lemans-evk" + +# Timer frequency for Lemans platform +CONFIG_COUNTER_FREQUENCY=19200000 \ No newline at end of file -- 2.34.1