Add meta-xilinx subtree
Import git://git.yoctoproject.org/meta-xilinx from 5fccc46503 as
meta-xilinx subtree.
Change-Id: I3d59bcf3a57cee588aab7f5cdd0287af66450c8a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-bsp/u-boot/u-boot-zynq-uenv.bb b/meta-xilinx/meta-xilinx-bsp/recipes-bsp/u-boot/u-boot-zynq-uenv.bb
new file mode 100644
index 0000000..f6c2a00
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-bsp/u-boot/u-boot-zynq-uenv.bb
@@ -0,0 +1,116 @@
+SUMMARY = "U-Boot uEnv.txt SD boot environment generation for Zynq targets"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+INHIBIT_DEFAULT_DEPS = "1"
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+COMPATIBLE_MACHINE = "^$"
+COMPATIBLE_MACHINE_zynq = ".*"
+COMPATIBLE_MACHINE_zynqmp = ".*"
+
+inherit deploy
+
+def bootfiles_bitstream(d):
+ expectedfiles = [("bitstream", True)]
+ expectedexts = [(".bit", True), (".bin", False)]
+ # search for bitstream paths, use the renamed file. First matching is used
+ for f in (d.getVar("IMAGE_BOOT_FILES") or "").split():
+ sf, rf = f, f
+ if ';' in f:
+ sf, rf = f.split(';')
+
+ # skip boot.bin and u-boot.bin, it is not a bitstream
+ skip = ["boot.bin", "u-boot.bin"]
+ if sf in skip or rf in skip:
+ continue
+
+ for e, t in expectedfiles:
+ if sf == e or rf == e:
+ return rf, t
+ for e, t in expectedexts:
+ if sf.endswith(e) or rf.endswith(e):
+ return rf, t
+ return "", False
+
+def bootfiles_dtb_filepath(d):
+ if d.getVar("IMAGE_BOOT_FILES"):
+ dtbs = d.getVar("IMAGE_BOOT_FILES").split(" ")
+ # IMAGE_BOOT_FILES has extra renaming info in the format '<source>;<target>'
+ dtbs = [f.split(";")[0] for f in dtbs]
+ dtbs = [f for f in dtbs if f.endswith(".dtb")]
+ if len(dtbs) != 0:
+ return dtbs[0]
+ return ""
+
+def uboot_boot_cmd(d):
+ if d.getVar("KERNEL_IMAGETYPE") in ["uImage", "fitImage"]:
+ return "bootm"
+ if d.getVar("KERNEL_IMAGETYPE") in ["zImage"]:
+ return "bootz"
+ if d.getVar("KERNEL_IMAGETYPE") in ["Image"]:
+ return "booti"
+ raise bb.parse.SkipRecipe("Unsupport kernel image type")
+
+def uenv_populate(d):
+ # populate the environment values
+ env = {}
+
+ env["machine_name"] = d.getVar("MACHINE")
+
+ env["kernel_image"] = d.getVar("KERNEL_IMAGETYPE")
+ env["kernel_load_address"] = d.getVar("KERNEL_LOAD_ADDRESS")
+
+ env["devicetree_image"] = bootfiles_dtb_filepath(d)
+ env["devicetree_load_address"] = d.getVar("DEVICETREE_LOAD_ADDRESS")
+
+ env["bootargs"] = d.getVar("KERNEL_BOOTARGS")
+
+ env["loadkernel"] = "fatload mmc 0 ${kernel_load_address} ${kernel_image}"
+ env["loaddtb"] = "fatload mmc 0 ${devicetree_load_address} ${devicetree_image}"
+ env["bootkernel"] = "run loadkernel && run loaddtb && " + uboot_boot_cmd(d) + " ${kernel_load_address} - ${devicetree_load_address}"
+
+ # default uenvcmd does not load bitstream
+ env["uenvcmd"] = "run bootkernel"
+
+ bitstream, bitstreamtype = bootfiles_bitstream(d)
+ if bitstream:
+ env["bitstream_image"] = bitstream
+ env["bitstream_load_address"] = "0x100000"
+
+ # if bitstream is "bit" format use loadb, otherwise use load
+ env["bitstream_type"] = "loadb" if bitstreamtype else "load"
+
+ # load bitstream first with loadfpa
+ env["loadfpga"] = "fatload mmc 0 ${bitstream_load_address} ${bitstream_image} && fpga ${bitstream_type} 0 ${bitstream_load_address} ${filesize}"
+ env["uenvcmd"] = "run loadfpga && run bootkernel"
+
+ return env
+
+# bootargs, default to booting with the rootfs device being partition 2 of the first mmc device
+KERNEL_BOOTARGS_zynq = "earlyprintk console=ttyPS0,115200 root=/dev/mmcblk0p2 rw rootwait"
+KERNEL_BOOTARGS_zynqmp = "earlycon clk_ignore_unused root=/dev/mmcblk0p2 rw rootwait"
+
+KERNEL_LOAD_ADDRESS_zynq = "0x2080000"
+KERNEL_LOAD_ADDRESS_zynqmp = "0x80000"
+DEVICETREE_LOAD_ADDRESS_zynq = "0x2000000"
+DEVICETREE_LOAD_ADDRESS_zynqmp = "0x4000000"
+
+python do_compile() {
+ env = uenv_populate(d)
+ with open(d.expand("${WORKDIR}/uEnv.txt"), "w") as f:
+ for k, v in env.items():
+ f.write("{0}={1}\n".format(k, v))
+}
+
+FILES_${PN} += "/boot/uEnv.txt"
+
+do_install() {
+ install -Dm 0644 ${WORKDIR}/uEnv.txt ${D}/boot/uEnv.txt
+}
+
+do_deploy() {
+ install -Dm 0644 ${WORKDIR}/uEnv.txt ${DEPLOYDIR}/uEnv.txt
+}
+addtask do_deploy after do_compile before do_build
+