From: Pali Rohár Date: Tue, 10 Jan 2023 22:09:15 +0000 (+0100) Subject: arm: mvebu: Add support for generating PEX kwbimage X-Git-Tag: v2023.07-rc1~3^2~41^2~8 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50afad55733a967accf83b2eb662e83e5c6fb107;p=pandora-u-boot.git arm: mvebu: Add support for generating PEX kwbimage Add a new Kconfig option CONFIG_MVEBU_SPL_BOOT_DEVICE_PEX which instruct make to generate kwbimage with PEX header. This image is used for booting from PCI Express device which is in the Root Complex mode. Support is very simple, SPL after finishes DDR training returns back to the BootROM (via CONFIG_SPL_BOOTROM_SUPPORT option) and BootROM then start executing U-Boot proper. Signed-off-by: Pali Rohár --- diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index cf249580d19..6ff4e9e69ef 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -363,6 +363,10 @@ config MVEBU_SPL_BOOT_DEVICE_SATA imply SPL_LIBDISK_SUPPORT select SPL_BOOTROM_SUPPORT +config MVEBU_SPL_BOOT_DEVICE_PEX + bool "PCI Express" + select SPL_BOOTROM_SUPPORT + config MVEBU_SPL_BOOT_DEVICE_UART bool "UART" select SPL_BOOTROM_SUPPORT diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index c5c7ab73f6a..90f88337bc1 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -59,6 +59,9 @@ endif ifneq ($(CONFIG_MVEBU_SPL_BOOT_DEVICE_SATA),) KWB_CFG_BOOT_FROM=sata endif +ifneq ($(CONFIG_MVEBU_SPL_BOOT_DEVICE_PEX),) + KWB_CFG_BOOT_FROM=pex +endif ifneq ($(CONFIG_MVEBU_SPL_BOOT_DEVICE_UART),) KWB_CFG_BOOT_FROM=uart endif