summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAhmad Fatoum <a.fatoum@pengutronix.de>2019-04-15 09:55:27 +0200
committerMichael Olbrich <m.olbrich@pengutronix.de>2019-04-18 15:51:51 +0200
commitaa679c5c3086c4435d2cb13d844e061c609c25d0 (patch)
tree950786125eb854db340534a76d5db9514a04f663
parent68213bb07d96867e6734a16ccc63f4723c2167c6 (diff)
downloadptxdist-aa679c5c3086c4435d2cb13d844e061c609c25d0.tar.gz
ptxdist-aa679c5c3086c4435d2cb13d844e061c609c25d0.tar.xz
u-boot: Allow generation of boot script
U-Boot can be configured via the environment to look for a boot script in the rootfs. The boot script can then be used to customize the booting process further. Cc: Denis OSTERLAND <denis.osterland@diehl.com> Co-authored-by: Alexander Dahl <ada@thorsis.com> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Alexander Dahl <ada@thorsis.com> Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
-rw-r--r--platforms/u-boot.in18
-rw-r--r--rules/u-boot.make35
2 files changed, 53 insertions, 0 deletions
diff --git a/platforms/u-boot.in b/platforms/u-boot.in
index 5d04a3cbd..8af0c8271 100644
--- a/platforms/u-boot.in
+++ b/platforms/u-boot.in
@@ -71,6 +71,24 @@ config U_BOOT_CONFIG
endif
+config U_BOOT_BOOT_SCRIPT
+ prompt "Compile U-Boot boot script"
+ bool
+ help
+ Use U-Boot's mkimage to compile a U-Boot boot script and install it
+ into the rootfs
+
+if U_BOOT_BOOT_SCRIPT
+
+config U_BOOT_BOOT_SCRIPT_ROOTFS_PATH
+ string
+ default "/boot/boot.scr.uimg"
+ prompt "Installation path"
+ help
+ Target rootfs path where the U-Boot script should be located
+
+endif
+
comment "target install"
config U_BOOT_INSTALL_SREC
diff --git a/rules/u-boot.make b/rules/u-boot.make
index 55d18b97d..c03153e58 100644
--- a/rules/u-boot.make
+++ b/rules/u-boot.make
@@ -2,6 +2,7 @@
#
# Copyright (C) 2007 by Sascha Hauer
# 2009, 2010 by Marc Kleine-Budde <mkl@pengutronix.de>
+# 2018 by Ahmad Fatoum <a.fatoum@pengutronix.de>
#
# See CREDITS for details about who has contributed to this project.
#
@@ -34,6 +35,13 @@ endif
# Prepare
# ----------------------------------------------------------------------------
+ifdef PTXCONF_U_BOOT_BOOT_SCRIPT
+U_BOOT_BOOT_SCRIPT_TXT := $(call ptx/in-platformconfigdir, uboot.scr)
+U_BOOT_BOOT_SCRIPT_BIN := $(call remove_quotes, \
+ $(PTXCONF_U_BOOT_BOOT_SCRIPT_ROOTFS_PATH))
+$(STATEDIR)/u-boot.compile: $(U_BOOT_BOOT_SCRIPT_TXT)
+endif
+
U_BOOT_WRAPPER_BLACKLIST := \
TARGET_HARDEN_STACKCLASH \
TARGET_HARDEN_RELRO \
@@ -82,6 +90,20 @@ $(STATEDIR)/u-boot.prepare:
endif
# ----------------------------------------------------------------------------
+# Compile
+# ----------------------------------------------------------------------------
+
+$(STATEDIR)/u-boot.compile:
+ @$(call targetinfo)
+ @$(call world/compile, U_BOOT)
+ifdef PTXCONF_U_BOOT_BOOT_SCRIPT
+ @$(U_BOOT_DIR)/tools/mkimage -T script -C none \
+ -d $(U_BOOT_BOOT_SCRIPT_TXT) \
+ $(U_BOOT_DIR)/boot.scr.uimg
+endif
+ @$(call touch)
+
+# ----------------------------------------------------------------------------
# Install
# ----------------------------------------------------------------------------
@@ -122,6 +144,19 @@ ifdef PTXCONF_U_BOOT_INSTALL_U_BOOT_WITH_SPL_PBL
@install -v -D -m644 $(U_BOOT_DIR)/u-boot-with-spl-pbl.bin \
$(IMAGEDIR)/u-boot-with-spl-pbl.bin
endif
+
+ifdef PTXCONF_U_BOOT_BOOT_SCRIPT
+ @$(call install_init, u-boot)
+ @$(call install_fixup, u-boot, PRIORITY, optional)
+ @$(call install_fixup, u-boot, SECTION, base)
+ @$(call install_fixup, u-boot, AUTHOR, "Ahmad Fatoum <afa@pengutronix.de>")
+ @$(call install_fixup, u-boot, DESCRIPTION, "U-Boot boot script")
+
+ @$(call install_copy, u-boot, 0, 0, 0644, \
+ $(U_BOOT_DIR)/boot.scr.uimg, $(U_BOOT_BOOT_SCRIPT_BIN))
+
+ @$(call install_finish, u-boot)
+endif
@$(call touch)
# ----------------------------------------------------------------------------