[Buildroot] [PATCH 1/2] [PATCH 1/1] configs/stm32f469_disco_xip_defconfig: alternative defconfig for XIP
Yauheni Saldatsenka
eugentoo at gmail.com
Wed Aug 25 13:21:38 UTC 2021
Hi!
Okay, no problem.
среда, 25 августа 2021 г. пользователь Christophe Priouzeau <
christophe.priouzeau at foss.st.com> написал:
> Hi,
> For Flash.sh and README.txt, can you make a version specific to XIP like:
> flash_xip.sh and README_xip.txt.
>
> Regards
> Christophe
> On 8/24/21 12:03 PM, Yauheni Saldatsenka wrote:
>
>> Update STM32F469-disco configuration files to operate with new kernel.
>>
>> Result of make tinyconfig was taken as a starting point to fit kernel
>> into flash memory.
>> Current setup kernel + rootfs fits in 1.6MB on-chip flash memory
>>
>> Fixes:
>> - Move kernel to new flash bank due to growth of dtb size
>> - Fix kernel start address in bootloader
>> - Remove outdated path which doesn't affect normal operation mode
>>
>> Signed-off-by: Yauheni Saldatsenka <eugentoo at gmail.com>
>> ---
>> .../stm32f469-disco/flash.sh | 47 +++-
>> .../stm32f469-disco/linux/defconfig | 120 +++++++++
>> .../stm32f469-disco/linux/stm32f469-disco.dts | 240 ++++++++++++++++++
>> .../0002-kernel-start-address.patch | 21 ++
>> .../patches/afboot-stm32/0003-no-mpu.patch | 22 ++
>> configs/stm32f469_disco_xip_defconfig | 24 ++
>> 6 files changed, 465 insertions(+), 9 deletions(-)
>> create mode 100644 board/stmicroelectronics/stm32
>> f469-disco/linux/defconfig
>> create mode 100644 board/stmicroelectronics/stm32
>> f469-disco/linux/stm32f469-disco.dts
>> create mode 100644 board/stmicroelectronics/stm32
>> f469-disco/patches/afboot-stm32/0002-kernel-start-address.patch
>> create mode 100644 board/stmicroelectronics/stm32
>> f469-disco/patches/afboot-stm32/0003-no-mpu.patch
>> create mode 100644 configs/stm32f469_disco_xip_defconfig
>>
>> diff --git a/board/stmicroelectronics/stm32f469-disco/flash.sh
>> b/board/stmicroelectronics/stm32f469-disco/flash.sh
>> index 984d2b2599..176e1c9d2c 100755
>> --- a/board/stmicroelectronics/stm32f469-disco/flash.sh
>> +++ b/board/stmicroelectronics/stm32f469-disco/flash.sh
>> @@ -1,18 +1,47 @@
>> #!/bin/bash
>> OUTPUT_DIR=$1
>> +BUILD_TYPE=$2
>> -if ! test -d "${OUTPUT_DIR}" ; then
>> +if ! test -d "${OUTPUT_DIR}"
>> +then
>> echo "ERROR: no output directory specified."
>> echo "Usage: $0 OUTPUT_DIR"
>> exit 1
>> fi
>> -${OUTPUT_DIR}/host/bin/openocd -f board/stm32f469discovery.cfg \
>> - -c "init" \
>> - -c "reset init" \
>> - -c "flash probe 0" \
>> - -c "flash info 0" \
>> - -c "flash write_image erase ${OUTPUT_DIR}/images/u-boot.bin
>> 0x08000000" \
>> - -c "reset run" \
>> - -c "shutdown"
>> +if [[ -z "${BUILD_TYPE}" ]]
>> +then
>> + echo "ERROR: no build type specified, please select 'xip' or
>> 'uboot'."
>> + echo "Usage: $0 OUTPUT_DIR $1 BUILD_TYPE"
>> + exit 1
>> +fi
>> +
>> +case "${BUILD_TYPE}" in
>> + "xip")
>> + ${OUTPUT_DIR}/host/bin/openocd -f
>> board/stm32f469discovery.cfg \
>> + -c "init" \
>> + -c "reset init" \
>> + -c "flash probe 0" \
>> + -c "flash info 0" \
>> + -c "flash write_image erase
>> ${OUTPUT_DIR}/images/stm32f469i-disco.bin 0x08000000" \
>> + -c "flash write_image erase
>> ${OUTPUT_DIR}/images/stm32f469-disco.dtb 0x08004000" \
>> + -c "flash write_image erase
>> ${OUTPUT_DIR}/images/xipImage 0x08010000" \
>> + -c "reset run" \
>> + -c "shutdown"
>> + ;;
>> + "uboot")
>> + FLASH_COMMAND=
>> + ${OUTPUT_DIR}/host/bin/openocd -f
>> board/stm32f469discovery.cfg \
>> + -c "init" \
>> + -c "reset init" \
>> + -c "flash probe 0" \
>> + -c "flash info 0" \
>> + -c "flash write_image erase
>> ${OUTPUT_DIR}/images/u-boot.bin 0x08000000" \
>> + -c "reset run" \
>> + -c "shutdown"
>> + ;;
>> + *)
>> + echo "Wrong build type. Please select from: xip, uboot"
>> + ;;
>> +esac
>> diff --git a/board/stmicroelectronics/stm32f469-disco/linux/defconfig
>> b/board/stmicroelectronics/stm32f469-disco/linux/defconfig
>> new file mode 100644
>> index 0000000000..2d0ce59b31
>> --- /dev/null
>> +++ b/board/stmicroelectronics/stm32f469-disco/linux/defconfig
>> @@ -0,0 +1,120 @@
>> +# CONFIG_LOCALVERSION_AUTO is not set
>> +CONFIG_KERNEL_XZ=y
>> +CONFIG_NO_HZ_IDLE=y
>> +CONFIG_HIGH_RES_TIMERS=y
>> +CONFIG_PREEMPT=y
>> +CONFIG_LOG_BUF_SHIFT=12
>> +CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=10
>> +CONFIG_BLK_DEV_INITRD=y
>> +CONFIG_INITRAMFS_SOURCE="${BR_BINARIES_DIR}/rootfs.cpio"
>> +# CONFIG_RD_GZIP is not set
>> +# CONFIG_RD_BZIP2 is not set
>> +# CONFIG_RD_LZMA is not set
>> +# CONFIG_RD_XZ is not set
>> +# CONFIG_RD_LZO is not set
>> +# CONFIG_RD_LZ4 is not set
>> +# CONFIG_RD_ZSTD is not set
>> +CONFIG_CC_OPTIMIZE_FOR_SIZE=y
>> +# CONFIG_MULTIUSER is not set
>> +# CONFIG_SYSFS_SYSCALL is not set
>> +# CONFIG_FHANDLE is not set
>> +# CONFIG_POSIX_TIMERS is not set
>> +# CONFIG_BUG is not set
>> +# CONFIG_BASE_FULL is not set
>> +# CONFIG_FUTEX is not set
>> +# CONFIG_EPOLL is not set
>> +# CONFIG_SIGNALFD is not set
>> +# CONFIG_TIMERFD is not set
>> +# CONFIG_EVENTFD is not set
>> +# CONFIG_AIO is not set
>> +# CONFIG_IO_URING is not set
>> +# CONFIG_ADVISE_SYSCALLS is not set
>> +# CONFIG_MEMBARRIER is not set
>> +# CONFIG_KALLSYMS is not set
>> +CONFIG_KCMP=y
>> +# CONFIG_RSEQ is not set
>> +CONFIG_EMBEDDED=y
>> +# CONFIG_VM_EVENT_COUNTERS is not set
>> +# CONFIG_COMPAT_BRK is not set
>> +CONFIG_SLOB=y
>> +# CONFIG_SLAB_MERGE_DEFAULT is not set
>> +# CONFIG_MMU is not set
>> +CONFIG_ARCH_STM32=y
>> +# CONFIG_MACH_STM32F429 is not set
>> +# CONFIG_MACH_STM32F746 is not set
>> +# CONFIG_MACH_STM32F769 is not set
>> +# CONFIG_MACH_STM32H743 is not set
>> +CONFIG_CPU_V7M_NUM_IRQ=240
>> +# CONFIG_ARM_DMA_MEM_BUFFERABLE is not set
>> +CONFIG_SET_MEM_PARAM=y
>> +CONFIG_DRAM_BASE=0xc0000000
>> +CONFIG_DRAM_SIZE=0x01000000
>> +CONFIG_HZ_1000=y
>> +# CONFIG_ATAGS is not set
>> +CONFIG_XIP_KERNEL=y
>> +CONFIG_XIP_PHYS_ADDR=0x08010000
>> +CONFIG_XIP_DEFLATED_DATA=y
>> +# CONFIG_SUSPEND is not set
>> +# CONFIG_STACKPROTECTOR is not set
>> +# CONFIG_COMPAT_32BIT_TIME is not set
>> +# CONFIG_GCC_PLUGINS is not set
>> +# CONFIG_BLOCK is not set
>> +CONFIG_BINFMT_FLAT=y
>> +CONFIG_BINFMT_SHARED_FLAT=y
>> +# CONFIG_COREDUMP is not set
>> +CONFIG_DEVTMPFS=y
>> +CONFIG_DEVTMPFS_MOUNT=y
>> +# CONFIG_STANDALONE is not set
>> +# CONFIG_PREVENT_FIRMWARE_BUILD is not set
>> +# CONFIG_FW_LOADER is not set
>> +# CONFIG_ALLOW_DEV_COREDUMP is not set
>> +CONFIG_EEPROM_93CX6=y
>> +# CONFIG_INPUT is not set
>> +# CONFIG_VT is not set
>> +# CONFIG_UNIX98_PTYS is not set
>> +# CONFIG_LEGACY_PTYS is not set
>> +# CONFIG_LDISC_AUTOLOAD is not set
>> +CONFIG_SERIAL_STM32=y
>> +CONFIG_SERIAL_STM32_CONSOLE=y
>> +# CONFIG_DEVMEM is not set
>> +# CONFIG_HWMON is not set
>> +CONFIG_WATCHDOG=y
>> +CONFIG_MFD_STM32_TIMERS=y
>> +# CONFIG_USB_SUPPORT is not set
>> +CONFIG_NEW_LEDS=y
>> +CONFIG_LEDS_CLASS=y
>> +CONFIG_LEDS_GPIO=y
>> +CONFIG_LEDS_TRIGGERS=y
>> +CONFIG_LEDS_TRIGGER_HEARTBEAT=y
>> +CONFIG_RTC_CLASS=y
>> +CONFIG_RTC_DRV_STM32=y
>> +CONFIG_DMADEVICES=y
>> +CONFIG_STM32_DMA=y
>> +CONFIG_STM32_DMAMUX=y
>> +CONFIG_STM32_MDMA=y
>> +CONFIG_SYNC_FILE=y
>> +# CONFIG_VIRTIO_MENU is not set
>> +# CONFIG_VHOST_MENU is not set
>> +CONFIG_IIO=y
>> +CONFIG_IIO_BUFFER=y
>> +CONFIG_IIO_TRIGGERED_BUFFER=y
>> +CONFIG_IIO_STM32_TIMER_TRIGGER=y
>> +# CONFIG_FILE_LOCKING is not set
>> +# CONFIG_DNOTIFY is not set
>> +# CONFIG_INOTIFY_USER is not set
>> +# CONFIG_PROC_SYSCTL is not set
>> +CONFIG_CONFIGFS_FS=y
>> +# CONFIG_MISC_FILESYSTEMS is not set
>> +CONFIG_NLS=y
>> +CONFIG_PRINTK_TIME=y
>> +CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
>> +CONFIG_CONSOLE_LOGLEVEL_QUIET=15
>> +CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7
>> +# CONFIG_SYMBOLIC_ERRNAME is not set
>> +CONFIG_DEBUG_INFO=y
>> +# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
>> +CONFIG_DEBUG_FS=y
>> +# CONFIG_DEBUG_MISC is not set
>> +# CONFIG_SCHED_DEBUG is not set
>> +# CONFIG_RCU_TRACE is not set
>> +# CONFIG_RUNTIME_TESTING_MENU is not set
>> diff --git a/board/stmicroelectronics/stm32f469-disco/linux/stm32f469-disco.dts
>> b/board/stmicroelectronics/stm32f469-disco/linux/stm32f469-disco.dts
>> new file mode 100644
>> index 0000000000..83fe71bbc6
>> --- /dev/null
>> +++ b/board/stmicroelectronics/stm32f469-disco/linux/stm32f469-disco.dts
>> @@ -0,0 +1,240 @@
>> +/*
>> + * Copyright 2016 - Lee Jones <lee.jones at linaro.org>
>> + *
>> + * This file is dual-licensed: you can use it either under the terms
>> + * of the GPL or the X11 license, at your option. Note that this dual
>> + * licensing only applies to this file, and not this project as a
>> + * whole.
>> + *
>> + * a) This file is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License as
>> + * published by the Free Software Foundation; either vers
>> <https://www.google.com/maps/search/n;+either+vers?entry=gmail&source=g>ion
>> 2 of the
>> + * License, or (at your option) any later version.
>> + *
>> + * This file is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public
>> + * License along with this file; if not, write to the Free
>> + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
>> + * MA 02110-1301 USA
>> + *
>> + * Or, alternatively,
>> + *
>> + * b) Permission is hereby granted, free of charge, to any person
>> + * obtaining a copy of this software and associated documentation
>> + * files (the "Software"), to deal in the Software without
>> + * restriction, including without limitation the rights to use,
>> + * copy, modify, merge, publish, distribute, sublicense, and/or
>> + * sell copies of the Software, and to permit persons to whom the
>> + * Software is furnished to do so, subject to the following
>> + * conditions:
>> + *
>> + * The above copyright notice and this permission notice shall be
>> + * included in all copies or substantial portions of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
>> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
>> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
>> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
>> + * OTHER DEALINGS IN THE SOFTWARE.
>> + */
>> +
>> +/dts-v1/;
>> +#include "stm32f469.dtsi"
>> +#include "stm32f469-pinctrl.dtsi"
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/input/input.h>
>> +
>> +/ {
>> + model = "STMicroelectronics STM32F469i-DISCO board";
>> + compatible = "st,stm32f469i-disco", "st,stm32f469";
>> +
>> + chosen {
>> + bootargs = "root=/dev/ram fbcon=map:0";
>> + stdout-path = "serial0:115200n8";
>> + };
>> +
>> + memory at c0000000 {
>> + device_type = "memory";
>> + reg = <0xc0000000 0x1000000>;
>> + };
>> +
>> + aliases {
>> + serial0 = &usart3;
>> + };
>> +
>> + mmc_vcard: mmc_vcard {
>> + compatible = "regulator-fixed";
>> + regulator-name = "mmc_vcard";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + };
>> +
>> + vdd_dsi: vdd-dsi {
>> + compatible = "regulator-fixed";
>> + regulator-name = "vdd_dsi";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + };
>> +
>> + soc {
>> + dma-ranges = <0xc0000000 0xc0000000 0x10000000>;
>> + };
>> +
>> + leds {
>> + compatible = "gpio-leds";
>> + led-green {
>> + gpios = <&gpiog 6 GPIO_ACTIVE_LOW>;
>> + linux,default-trigger = "heartbeat";
>> + };
>> + led-orange {
>> + gpios = <&gpiod 4 GPIO_ACTIVE_LOW>;
>> + };
>> + led-red {
>> + gpios = <&gpiod 5 GPIO_ACTIVE_LOW>;
>> + };
>> + led-blue {
>> + gpios = <&gpiok 3 GPIO_ACTIVE_LOW>;
>> + };
>> + };
>> +
>> + gpio_keys {
>> + compatible = "gpio-keys";
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + autorepeat;
>> + button at 0 {
>> + label = "User";
>> + linux,code = <KEY_WAKEUP>;
>> + gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
>> + };
>> + };
>> +
>> + /* This turns on vbus for otg for host mode (dwc2) */
>> + vcc5v_otg: vcc5v-otg-regulator {
>> + compatible = "regulator-fixed";
>> + enable-active-high;
>> + gpio = <&gpiob 2 GPIO_ACTIVE_HIGH>;
>> + regulator-name = "vcc5_host1";
>> + regulator-always-on;
>> + };
>> +};
>> +
>> +&rcc {
>> + compatible = "st,stm32f469-rcc", "st,stm32f42xx-rcc",
>> "st,stm32-rcc";
>> +};
>> +
>> +&clk_hse {
>> + clock-frequency = <8000000>;
>> +};
>> +
>> +&dsi {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port at 0 {
>> + reg = <0>;
>> + dsi_in: endpoint {
>> + remote-endpoint = <<dc_out_dsi>;
>> + };
>> + };
>> +
>> + port at 1 {
>> + reg = <1>;
>> + dsi_out: endpoint {
>> + remote-endpoint = <&dsi_panel_in>;
>> + };
>> + };
>> + };
>> +
>> + panel-dsi at 0 {
>> + compatible = "orisetech,otm8009a";
>> + reg = <0>; /* dsi virtual channel (0..3) */
>> + reset-gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
>> + power-supply = <&vdd_dsi>;
>> + status = "okay";
>> +
>> + port {
>> + dsi_panel_in: endpoint {
>> + remote-endpoint = <&dsi_out>;
>> + };
>> + };
>> + };
>> +};
>> +
>> +<dc {
>> + status = "okay";
>> +
>> + port {
>> + ltdc_out_dsi: endpoint at 0 {
>> + remote-endpoint = <&dsi_in>;
>> + };
>> + };
>> +};
>> +
>> +&rtc {
>> + status = "okay";
>> +};
>> +
>> +&timers1 {
>> + status = "okay";
>> +
>> + pwm {
>> + pinctrl-0 = <&pwm1_pins>;
>> + pinctrl-names = "default";
>> + status = "okay";
>> + };
>> +
>> + timer at 0 {
>> + status = "okay";
>> + };
>> +};
>> +
>> +&timers3 {
>> + status = "okay";
>> +
>> + pwm {
>> + pinctrl-0 = <&pwm3_pins>;
>> + pinctrl-names = "default";
>> + status = "okay";
>> + };
>> +
>> + timer at 2 {
>> + status = "okay";
>> + };
>> +};
>> +
>> +&sdio {
>> + status = "okay";
>> + vmmc-supply = <&mmc_vcard>;
>> + cd-gpios = <&gpiog 2 GPIO_ACTIVE_LOW>;
>> + broken-cd;
>> + pinctrl-names = "default", "opendrain";
>> + pinctrl-0 = <&sdio_pins>;
>> + pinctrl-1 = <&sdio_pins_od>;
>> + bus-width = <4>;
>> +};
>> +
>> +&usart3 {
>> + pinctrl-0 = <&usart3_pins_a>;
>> + pinctrl-names = "default";
>> + status = "okay";
>> +};
>> +
>> +&usbotg_fs {
>> + dr_mode = "host";
>> + pinctrl-0 = <&usbotg_fs_pins_a>;
>> + pinctrl-names = "default";
>> + status = "okay";
>> +};
>> diff --git a/board/stmicroelectronics/stm32f469-disco/patches/afboot-
>> stm32/0002-kernel-start-address.patch b/board/stmicroelectronics/stm
>> 32f469-disco/patches/afboot-stm32/0002-kernel-start-address.patch
>> new file mode 100644
>> index 0000000000..614effa85b
>> --- /dev/null
>> +++ b/board/stmicroelectronics/stm32f469-disco/patches/afboot-
>> stm32/0002-kernel-start-address.patch
>> @@ -0,0 +1,21 @@
>> +diff --git a/stm32f469i-disco.c b/stm32f469i-disco.c
>> +index 2da1f4b65f..96e4dff65e 100644
>> +--- a/stm32f469i-disco.c
>> ++++ b/stm32f469i-disco.c
>> +@@ -6,6 +6,7 @@
>> + #include "gpio.h"
>> + #include "mpu.h"
>> +
>> ++#define KERNEL_ADDR 0x08010000
>> + #define CONFIG_HSE_HZ 8000000
>> + #define CONFIG_PLL_M 8
>> + #define CONFIG_PLL_N 360
>> +@@ -85,7 +86,7 @@ static void fmc_wait_busy(void)
>> +
>> + void start_kernel(void)
>> + {
>> +- void (*kernel)(uint32_t reserved, uint32_t mach, uint32_t dt) =
>> (void (*)(uint32_t, uint32_t, uint32_t))(0x08008000 | 1);
>> ++ void (*kernel)(uint32_t reserved, uint32_t mach, uint32_t dt) =
>> (void (*)(uint32_t, uint32_t, uint32_t))(KERNEL_ADDR | 1);
>> +
>> + kernel(0, ~0UL, 0x08004000);
>> + }
>> diff --git a/board/stmicroelectronics/stm32f469-disco/patches/afboot-stm32/0003-no-mpu.patch
>> b/board/stmicroelectronics/stm32f469-disco/patches/afboot-
>> stm32/0003-no-mpu.patch
>> new file mode 100644
>> index 0000000000..bc66d2d0ef
>> --- /dev/null
>> +++ b/board/stmicroelectronics/stm32f469-disco/patches/afboot-
>> stm32/0003-no-mpu.patch
>> @@ -0,0 +1,22 @@
>> +diff --git a/stm32f469i-disco.c b/stm32f469i-disco.c
>> +index d4d0909831..03f823f288 100644
>> +--- a/stm32f469i-disco.c
>> ++++ b/stm32f469i-disco.c
>> +@@ -127,7 +127,7 @@ int main(void)
>> +
>> + int i;
>> +
>> +- mpu_config(0x0);
>> ++ mpu_config(0xc0000000);
>> +
>> + if (*FLASH_CR & FLASH_CR_LOCK) {
>> + *FLASH_KEYR = 0x45670123;
>> +@@ -229,7 +229,7 @@ int main(void)
>> + usart_setup(usart_base, 45000000);
>> + usart_putch(usart_base, '.');
>> +
>> +- *SYSCFG_MEMRMP = 0x4;
>> ++ /* *SYSCFG_MEMRMP = 0x4; */
>> +
>> + start_kernel();
>> +
>> diff --git a/configs/stm32f469_disco_xip_defconfig
>> b/configs/stm32f469_disco_xip_defconfig
>> new file mode 100644
>> index 0000000000..81bdb0d6d6
>> --- /dev/null
>> +++ b/configs/stm32f469_disco_xip_defconfig
>> @@ -0,0 +1,24 @@
>> +BR2_arm=y
>> +BR2_cortex_m4=y
>> +BR2_GLOBAL_PATCH_DIR="board/stmicroelectronics/stm32f469-disco/patches"
>> +BR2_KERNEL_HEADERS_5_13=y
>> +# BR2_UCLIBC_INSTALL_UTILS is not set
>> +BR2_GCC_VERSION_11_X=y
>> +BR2_GCC_ENABLE_LTO=y
>> +BR2_ROOTFS_POST_BUILD_SCRIPT="board/stmicroelectronics/comm
>> on/stm32f4xx/stm32-post-build.sh"
>> +BR2_LINUX_KERNEL=y
>> +BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
>> +BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/stmicroelectroni
>> cs/stm32f469-disco/linux/defconfig"
>> +BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM=y
>> +BR2_LINUX_KERNEL_XZ=y
>> +BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="xipImage"
>> +BR2_LINUX_KERNEL_DTS_SUPPORT=y
>> +BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f469-disco"
>> +BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="board/stmicroelectronics/
>> stm32f469-disco/linux/stm32f469-disco.dts"
>> +BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
>> +BR2_PACKAGE_ZLIB=y
>> +BR2_TARGET_ROOTFS_INITRAMFS=y
>> +# BR2_TARGET_ROOTFS_TAR is not set
>> +BR2_TARGET_AFBOOT_STM32=y
>> +BR2_PACKAGE_HOST_OPENOCD=y
>> +BR2_PACKAGE_HOST_UTIL_LINUX=y
>>
>>
>
> --
> Best regards / Cordialement,
>
> Christophe Priouzeau | Tel: +33 244027320
> STMicroelectronics
> ST online: www.st.com<http://www.st.com/>
>
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