From 3641a695855ba29b29f29c7e732dfb68e96cd316 Mon Sep 17 00:00:00 2001
From: Harald Welte <hwelte@sysmocom.de>
Date: Sat, 10 Jun 2017 19:57:38 +0200
Subject: [PATCH] add u-boot for litecell15 / sysmoBTS 2100

---
 .../files/0001-fw_env-missing-header.patch    | 12 +++
 .../files/fix-build-error-under-gcc6.patch    | 91 +++++++++++++++++++
 recipes-bsp/u-boot/u-boot-fw-utils_2015.07.bb | 45 +++++++++
 .../u-boot/u-boot-litecell15-2015.07.inc      | 41 +++++++++
 .../u-boot/u-boot-litecell15_2015.07.bb       | 22 +++++
 recipes-bsp/u-boot/u-boot.inc                 | 76 ++++++++++++++++
 6 files changed, 287 insertions(+)
 create mode 100644 recipes-bsp/u-boot/files/0001-fw_env-missing-header.patch
 create mode 100644 recipes-bsp/u-boot/files/fix-build-error-under-gcc6.patch
 create mode 100644 recipes-bsp/u-boot/u-boot-fw-utils_2015.07.bb
 create mode 100644 recipes-bsp/u-boot/u-boot-litecell15-2015.07.inc
 create mode 100644 recipes-bsp/u-boot/u-boot-litecell15_2015.07.bb
 create mode 100644 recipes-bsp/u-boot/u-boot.inc

diff --git a/recipes-bsp/u-boot/files/0001-fw_env-missing-header.patch b/recipes-bsp/u-boot/files/0001-fw_env-missing-header.patch
new file mode 100644
index 0000000..f28a062
--- /dev/null
+++ b/recipes-bsp/u-boot/files/0001-fw_env-missing-header.patch
@@ -0,0 +1,12 @@
+diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
+index daa02a7..eff638a 100644
+--- a/tools/env/fw_env.c
++++ b/tools/env/fw_env.c
+@@ -17,6 +17,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <stddef.h>
++#include <inttypes.h>
+ #include <string.h>
+ #include <sys/types.h>
+ #include <sys/ioctl.h>
diff --git a/recipes-bsp/u-boot/files/fix-build-error-under-gcc6.patch b/recipes-bsp/u-boot/files/fix-build-error-under-gcc6.patch
new file mode 100644
index 0000000..18c5e74
--- /dev/null
+++ b/recipes-bsp/u-boot/files/fix-build-error-under-gcc6.patch
@@ -0,0 +1,91 @@
+From 07373b2e477ae61f9f6a0e2eff41be3276d92923 Mon Sep 17 00:00:00 2001
+From: yocto <yocto@yocto.org>
+Date: Thu, 2 Jun 2016 03:21:51 -0500
+Subject: [PATCH] fix build error under gcc6
+
+Fix the following error:
+| ../include/linux/compiler-gcc.h:114:30: fatal error: linux/compiler-gcc6.h: No such file or directory
+|  #include gcc_header(__GNUC__)
+
+Signed-off-by: Zhenhua Luo <zhenhua.luo@nxp.com>
+
+Upstream-Status: Pending
+---
+ include/linux/compiler-gcc6.h | 65 +++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 65 insertions(+)
+ create mode 100644 include/linux/compiler-gcc6.h
+
+diff --git a/include/linux/compiler-gcc6.h b/include/linux/compiler-gcc6.h
+new file mode 100644
+index 0000000..c8c5659
+--- /dev/null
++++ b/include/linux/compiler-gcc6.h
+@@ -0,0 +1,65 @@
++#ifndef __LINUX_COMPILER_H
++#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
++#endif
++
++#define __used				__attribute__((__used__))
++#define __must_check			__attribute__((warn_unused_result))
++#define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
++
++/* Mark functions as cold. gcc will assume any path leading to a call
++   to them will be unlikely.  This means a lot of manual unlikely()s
++   are unnecessary now for any paths leading to the usual suspects
++   like BUG(), printk(), panic() etc. [but let's keep them for now for
++   older compilers]
++
++   Early snapshots of gcc 4.3 don't support this and we can't detect this
++   in the preprocessor, but we can live with this because they're unreleased.
++   Maketime probing would be overkill here.
++
++   gcc also has a __attribute__((__hot__)) to move hot functions into
++   a special section, but I don't see any sense in this right now in
++   the kernel context */
++#define __cold			__attribute__((__cold__))
++
++#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
++
++#ifndef __CHECKER__
++# define __compiletime_warning(message) __attribute__((warning(message)))
++# define __compiletime_error(message) __attribute__((error(message)))
++#endif /* __CHECKER__ */
++
++/*
++ * Mark a position in code as unreachable.  This can be used to
++ * suppress control flow warnings after asm blocks that transfer
++ * control elsewhere.
++ *
++ * Early snapshots of gcc 4.5 don't support this and we can't detect
++ * this in the preprocessor, but we can live with this because they're
++ * unreleased.  Really, we need to have autoconf for the kernel.
++ */
++#define unreachable() __builtin_unreachable()
++
++/* Mark a function definition as prohibited from being cloned. */
++#define __noclone	__attribute__((__noclone__))
++
++/*
++ * Tell the optimizer that something else uses this function or variable.
++ */
++#define __visible __attribute__((externally_visible))
++
++/*
++ * GCC 'asm goto' miscompiles certain code sequences:
++ *
++ *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
++ *
++ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
++ *
++ * (asm goto is automatically volatile - the naming reflects this.)
++ */
++#define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0)
++
++#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
++#define __HAVE_BUILTIN_BSWAP32__
++#define __HAVE_BUILTIN_BSWAP64__
++#define __HAVE_BUILTIN_BSWAP16__
++#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+-- 
+2.5.0
+
diff --git a/recipes-bsp/u-boot/u-boot-fw-utils_2015.07.bb b/recipes-bsp/u-boot/u-boot-fw-utils_2015.07.bb
new file mode 100644
index 0000000..7875139
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot-fw-utils_2015.07.bb
@@ -0,0 +1,45 @@
+require u-boot-litecell15-${PV}.inc
+
+SUMMARY = "U-Boot bootloader fw_printenv/setenv utilities"
+SECTION = "bootloader"
+DEPENDS = "mtd-utils u-boot"
+PROVIDES_litecell15 = "u-boot-fw-utils"
+
+S = "${WORKDIR}/git"
+
+REPODIR   = "${THISDIR}"
+REPOFILE  = "u-boot-fw-utils_2015.07.bb"
+PR       := "${INC_PR}.${REPOGITFN}"
+
+INSANE_SKIP_${PN} = "already-stripped"
+EXTRA_OEMAKE_class-target = 'CROSS_COMPILE=${TARGET_PREFIX} CC="${CC} ${CFLAGS} ${LDFLAGS}" V=1'
+EXTRA_OEMAKE_class-cross = 'ARCH=${TARGET_ARCH} CC="${CC} ${CFLAGS} ${LDFLAGS}" V=1'
+
+inherit uboot-config
+
+do_compile () {
+	oe_runmake ${UBOOT_MACHINE}
+	oe_runmake env
+}
+
+do_install () {
+	install -d ${D}${base_sbindir}
+	install -d ${D}${sysconfdir}
+	install -m 755 ${S}/tools/env/fw_printenv ${D}${base_sbindir}/fw_printenv
+	install -m 755 ${S}/tools/env/fw_printenv ${D}${base_sbindir}/fw_setenv
+	install -m 0644 ${S}/tools/env/fw_env.config ${D}${sysconfdir}/fw_env.config
+}
+
+do_install_class-cross () {
+	install -d ${D}${bindir_cross}
+	install -m 755 ${S}/tools/env/fw_printenv ${D}${bindir_cross}/fw_printenv
+	install -m 755 ${S}/tools/env/fw_printenv ${D}${bindir_cross}/fw_setenv
+}
+
+SYSROOT_PREPROCESS_FUNCS_class-cross = "uboot_fw_utils_cross"
+uboot_fw_utils_cross() {
+	sysroot_stage_dir ${D}${bindir_cross} ${SYSROOT_DESTDIR}${bindir_cross}
+}
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+BBCLASSEXTEND = "cross"
diff --git a/recipes-bsp/u-boot/u-boot-litecell15-2015.07.inc b/recipes-bsp/u-boot/u-boot-litecell15-2015.07.inc
new file mode 100644
index 0000000..c081890
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot-litecell15-2015.07.inc
@@ -0,0 +1,41 @@
+LICENSE = "GPLv2+"
+LIC_FILES_CHKSUM = "file://Licenses/README;md5=0507cd7da8e7ad6d6701926ec9b84c95"
+
+NRW_LC15_MIRROR ??= "git@gitlab.com/nrw_litecell15"
+
+inherit gitver-pkg gitver-repo
+
+# Should match the one in u-boot.inc
+INC_PR  ??= "r1"
+
+REPODIR   = "${THISDIR}"
+REPOFILE  = "u-boot-litecell15-2015.07.inc"
+INC_PR   := "${INC_PR}.${REPOGITFN}"
+
+PV   = "2015.07+git${SRCPV}"
+PKGV = "${PKGGITV}"
+
+DEV_BRANCH  = "${@ 'nrw/litecell15-next' if d.getVar('NRW_BSP_DEVEL', False) == "next" else 'nrw/litecell15'}"
+DEV_SRCREV  = "${AUTOREV}"
+DEV_SRCURI := "git://${NRW_LC15_MIRROR}/u-boot.git;protocol=ssh;branch=${DEV_BRANCH}"
+
+REL_BRANCH  = "nrw/litecell15"
+REL_SRCREV  = "e2b1ddd84d72d8c57815265860ae58f6b170551c"
+REL_SRCURI := "git://${NRW_LC15_MIRROR}/u-boot.git;protocol=ssh;branch=${REL_BRANCH}"
+
+BRANCH  = "${@ '${DEV_BRANCH}' if d.getVar('NRW_BSP_DEVEL', False) else '${REL_BRANCH}'}"
+SRCREV  = "${@ '${DEV_SRCREV}' if d.getVar('NRW_BSP_DEVEL', False) else '${REL_SRCREV}'}"
+SRC_URI = "${@ '${DEV_SRCURI}' if d.getVar('NRW_BSP_DEVEL', False) else '${REL_SRCURI}'}"
+
+SRC_URI += "file://0001-fw_env-missing-header.patch"
+SRC_URI += "file://fix-build-error-under-gcc6.patch"
+
+addtask showversion after do_compile before do_install
+do_showversion() {
+    bbplain "${PN}: ${PKGGITV} => ${BRANCH}:${PKGGITH}"
+}
+
+do_configure_prepend() {
+    sed -i -e 's/SUBLEVEL =.*/SUBLEVEL = ${PKGGITN}/g' ${S}/Makefile
+    sed -i -e 's/EXTRAVERSION =.*/EXTRAVERSION = -lc15/g' ${S}/Makefile
+}
diff --git a/recipes-bsp/u-boot/u-boot-litecell15_2015.07.bb b/recipes-bsp/u-boot/u-boot-litecell15_2015.07.bb
new file mode 100644
index 0000000..1015aba
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot-litecell15_2015.07.bb
@@ -0,0 +1,22 @@
+require u-boot.inc
+require ${PN}-${PV}.inc
+
+PROVIDES_litecell15 = " \
+	u-boot \
+ 	virtual/bootloader \
+"
+
+DESCRIPTION = "u-boot bootloader for LC15 / sysmoBTS 2100"
+
+REPODIR   = "${THISDIR}"
+REPOFILE  = "u-boot-litecell15_2015.07.bb"
+PR       := "${INC_PR}.${REPOGITFN}"
+
+# set theses two variables to 1 to specify u-boot update requierement when the rootfs is updated 
+export MLO_UPGRADE = "1"
+export UBOOT_UPGRADE = "1"
+
+SPL_BINARY = "MLO"
+SPL_UART_BINARY = "u-boot-spl.bin"
+
+
diff --git a/recipes-bsp/u-boot/u-boot.inc b/recipes-bsp/u-boot/u-boot.inc
new file mode 100644
index 0000000..722f39c
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot.inc
@@ -0,0 +1,76 @@
+require ${COREBASE}/meta/recipes-bsp/u-boot/u-boot.inc
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/u-boot:"
+
+INC_PR = "r1"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+PROVIDES += "u-boot"
+PKG_${PN} = "u-boot"
+PKG_${PN}-dev = "u-boot-dev"
+PKG_${PN}-dbg = "u-boot-dbg"
+
+S = "${WORKDIR}/git"
+
+UBOOT_SUFFIX = "img"
+
+#RDEPENDS_${PN} = "repair"
+
+# SPL (Second Program Loader) to be loaded over UART
+SPL_UART_BINARY ?= ""
+SPL_UART_IMAGE ?= "${SPL_UART_BINARY}-${MACHINE}-${PV}-${PR}"
+SPL_UART_SYMLINK ?= "${SPL_UART_BINARY}-${MACHINE}"
+MLO_BIN ?= "MLO-${MACHINE}-${PV}-${PR}"
+
+do_install_append () {
+    if [ "x${SPL_UART_BINARY}" != "x" ]
+    then
+        install ${B}/spl/${SPL_UART_BINARY} ${D}/boot/${SPL_UART_IMAGE}
+        ln -sf ${SPL_UART_IMAGE} ${D}/boot/${SPL_UART_BINARY}
+    fi
+    #FIXME: do we want/need this? replace iwth 'openssl enc -base64 -d'?
+    #md5sum ${D}/boot/${MLO_BIN} | cut -d ' ' -f 1 | xxd -r -p >> ${D}/boot/${MLO_BIN}
+    install -d ${D}${sysconfdir}
+    echo "MLO_UPGRADE=${MLO_UPGRADE}" >> ${D}${sysconfdir}/mlo.conf
+    echo "UBOOT_UPGRADE=${UBOOT_UPGRADE}" >> ${D}${sysconfdir}/uboot.conf
+    chmod 755 ${D}${sysconfdir}/mlo.conf 
+    chmod 755 ${D}${sysconfdir}/uboot.conf 
+}
+
+do_deploy_append () {
+    cd ${DEPLOYDIR}
+    if [ "x${SPL_UART_BINARY}" != "x" ]
+    then
+        install ${B}/spl/${SPL_UART_BINARY} ${DEPLOYDIR}/${SPL_UART_IMAGE}
+        rm -f ${DEPLOYDIR}/${SPL_UART_BINARY} ${DEPLOYDIR}/${SPL_UART_SYMLINK}
+        ln -sf ${SPL_UART_IMAGE} ${DEPLOYDIR}/${SPL_UART_BINARY}
+        ln -sf ${SPL_UART_IMAGE} ${DEPLOYDIR}/${SPL_UART_SYMLINK}
+    fi
+    #FIXME: do we want/need this? replace iwth 'openssl enc -base64 -d'?
+    #md5sum ${DEPLOYDIR}/${MLO_BIN} | cut -d ' ' -f 1 | xxd -r -p >> ${DEPLOYDIR}/${MLO_BIN}
+}
+
+pkg_postinst_${PN}_append() {
+if [ x"$D" = "x" ]; then
+    if [ -f /usr/bin/checkboot ]; then
+        echo "Verify boot file possible update..."
+        /usr/bin/checkboot -c -d
+        __CHECK_RET=$?
+        if test ${__CHECK_RET} -eq 100; then
+            sleep 30s
+            /usr/bin/checkboot -c -d
+            __CHECK_RET=$?
+        fi
+        if test ${__CHECK_RET} -ne 0; then
+            echo "Verify boot file possible update... error!"
+        else
+            echo "Verify boot file possible update... done!"
+        fi
+    fi
+fi
+}
+
+FILES_${PN} += "${sysconfdir}/mlo.conf \
+            ${sysconfdir}/uboot.conf \
+            "