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Only support 470x272 when I setting other resolution, I find out the key is in arch/arm/mach-imxrt105x/clock.c, it seems be fixed to 470x272 official panel setting, please provide a way to change it, thanks!

I was attempting to build u-boot with Sourcery CodeBench Lite ARM EABI version 2013.11. GCC complains as following:

arm-none-eabi-gcc  -g  -Os   -g2 -mthumb -mcpu=cortex-m3 -fsigned-char -O2 -fno-builtin-puts -fno-common -ffixed-r8 -D__KERNEL__ -I/tmp/u-boot/include -fno-builtin -ffreestanding -isystem /usr/local/csl/arm-2013.11/bin/../lib/gcc/arm-none-eabi/4.8.1/include -pipe  -DCONFIG_ARM -D__ARM__ -DCONFIG_MEM_NVM_BASE="0x00000000" -DCONFIG_MEM_NVM_LEN="(1024 * 1024 * 2)" -DCONFIG_MEM_NVM_UBOOT_OFF="0x0" -DCONFIG_MEM_RAM_BASE="0x20000000" -DCONFIG_MEM_RAM_LEN="(20 * 1024)" -DCONFIG_MEM_RAM_BUF_LEN="(88 * 1024)" -DCONFIG_MEM_MALLOC_LEN="(16 * 1024)" -DCONFIG_MEM_STACK_LEN="(4 * 1024)" -I/tmp/u-boot/cpu/arm_cortexm3 -Wall -Wstrict-prototypes -fno-stack-protector   -o cmd_cptf.o cmd_cptf.c -c
In file included from /usr/local/csl/arm-2013.11/lib/gcc/arm-none-eabi/4.8.1/include/stdint.h:11:0,
                 from /usr/local/csl/arm-2013.11/lib/gcc/arm-none-eabi/4.8.1/include-fixed/sys/cdefs.h:54,
                 from /usr/local/csl/arm-2013.11/arm-none-eabi/include/string.h:12,
                 from cmd_cptf.c:23:
/usr/local/csl/arm-2013.11/lib/gcc/arm-none-eabi/4.8.1/include/stdint-gcc.h:40:24: error: conflicting types for 'int32_t'
 typedef __INT32_TYPE__ int32_t;
                        ^
In file included from /tmp/u-boot/include/common.h:39:0,
                 from cmd_cptf.c:21:
/tmp/u-boot/include/linux/types.h:102:17: note: previous declaration of 'int32_t' was here
 typedef  __s32  int32_t;

The workaround is to remove #include <string.h> in file cpu/arm_cortexm3/cmd_cptf.c.

When I try to bebug this code using gdb, I found that there isn't debug symbol in it, could you kindly tell me how to add it~

Hello...
i can successfully run linux(hangs on starting kernel..) on TWR-K70F120M REV 1 Board using branch 1.3.2 but i cant run linux with any branchs after that commit. Nand Flash errors everytime occurring when u-boot loading. I cant find any solutions.

U-Boot 2010.03 (Sep 20 2017 - 04:37:33)

CPU : Freescale Kinetis series (Cortex-M4)
Freqs: SYSTICK=120MHz,CCLK=120MHz,PCLK=60MHz,MACCLK=50MHz
Board: Freescale TWR-K70F120M rev 1
DRAM: 128 MB
NAND: 256 MiB
Bad block table found at page 131008, version 0x01
Bad block table found at page 130944, version 0x01
nand_read_bbt: Bad block at 0x000000100000
nand_read_bbt: Bad block at 0x000000120000
UNHANDLED EXCEPTION: HARD FAULT
R0 = 00000000 R1 = 87f616a0
R2 = 00020008 R3 = 00020009
R12 = 000001ff LR = 00008045
PC = 0000c936 PSR = 81000000

Just now, I almost built the latest emcraft u-boot for cortex m3 using gcc 5.2 with just a few changes:

1. No inline in front of the stub functions pointed to by weak alias attribute (LED stuff, and show_progress).
2. nonconstant origin expression in u-boot.lds, which was discussed in another (closed) thread.

Since the u-boot does not run after Linux starts, building u-boot with the more recent toolchain is not super-important. It's just that being able to build EVERYTHING within Buildroot (using 2015.11.rc3), in 1-go, would be quite clean.

Hi,I'm building u-boot for the actel a2f500 dev brd, and I get the following error:
arm-none-eabi-gcc -E -g -Os -g2 -mthumb -mcpu=cortex-m3 -fsigned-char -O2 -fno-builtin-puts -fno-common -ffixed-r8 -D__KERNEL__ -I/home/mzee/kernel/uboot/EmcraftSystems-u-boot-3f592e1/include -fno-builtin -ffreestanding -isystem /home/mzee/kernel/actel/toolchains/arm-2011.09/bin/../lib/gcc/arm-none-eabi/4.6.1/include -pipe -DCONFIG_ARM -D__ARM__ -DCONFIG_MEM_NVM_BASE= -DCONFIG_MEM_NVM_LEN= -DCONFIG_MEM_RAM_BASE= -DCONFIG_MEM_RAM_LEN= -DCONFIG_MEM_RAM_BUF_LEN= -DCONFIG_MEM_MALLOC_LEN= -DCONFIG_MEM_STACK_LEN= -I/home/mzee/kernel/uboot/EmcraftSystems-u-boot-3f592e1/cpu/arm_cortexm3 -include /home/mzee/kernel/uboot/EmcraftSystems-u-boot-3f592e1/include/u-boot/u-boot.lds.h -ansi -D__ASSEMBLY__ -P - </home/mzee/kernel/uboot/EmcraftSystems-u-boot-3f592e1/cpu/arm_cortexm3/u-boot.lds >u-boot.lds
UNDEF_SYM=arm-none-eabi-objdump -x board/actel/a2f-actel-dev-brd/liba2f-actel-dev-brd.a lib_generic/libgeneric.a lib_generic/lzma/liblzma.a lib_generic/lzo/liblzo.a cpu/arm_cortexm3/libarm_cortexm3.a cpu/arm_cortexm3/a2f/liba2f.a lib_arm/libarm.a fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a fs/yaffs2/libyaffs2.a fs/ubifs/libubifs.a net/libnet.a disk/libdisk.a drivers/bios_emulator/libatibiosemu.a drivers/block/libblock.a drivers/dma/libdma.a drivers/fpga/libfpga.a drivers/gpio/libgpio.a drivers/hwmon/libhwmon.a drivers/i2c/libi2c.a drivers/input/libinput.a drivers/misc/libmisc.a drivers/mmc/libmmc.a drivers/mtd/libmtd.a drivers/mtd/nand/libnand.a drivers/mtd/onenand/libonenand.a drivers/mtd/ubi/libubi.a drivers/mtd/spi/libspi_flash.a drivers/net/libnet.a drivers/net/phy/libphy.a drivers/pci/libpci.a drivers/pcmcia/libpcmcia.a drivers/power/libpower.a drivers/spi/libspi.a drivers/rtc/librtc.a drivers/serial/libserial.a drivers/twserial/libtws.a drivers/usb/gadget/libusb_gadget.a drivers/usb/host/libusb_host.a drivers/usb/musb/libusb_musb.a drivers/usb/phy/libusb_phy.a drivers/video/libvideo.a drivers/watchdog/libwatchdog.a common/libcommon.a libfdt/libfdt.a api/libapi.a post/libpost.a | sed -n -e 's/.*\(__u_boot_cmd_.*\)/-u\1/p'|sort|uniq; cd /home/mzee/kernel/uboot/EmcraftSystems-u-boot-3f592e1 && arm-none-eabi-ld -Bstatic -T u-boot.lds $UNDEF_SYM cpu/arm_cortexm3/start.o --start-group lib_generic/libgeneric.a lib_generic/lzma/liblzma.a lib_generic/lzo/liblzo.a cpu/arm_cortexm3/libarm_cortexm3.a cpu/arm_cortexm3/a2f/liba2f.a lib_arm/libarm.a fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a fs/yaffs2/libyaffs2.a fs/ubifs/libubifs.a net/libnet.a disk/libdisk.a drivers/bios_emulator/libatibiosemu.a drivers/block/libblock.a drivers/dma/libdma.a drivers/fpga/libfpga.a drivers/gpio/libgpio.a drivers/hwmon/libhwmon.a drivers/i2c/libi2c.a drivers/input/libinput.a drivers/misc/libmisc.a drivers/mmc/libmmc.a drivers/mtd/libmtd.a drivers/mtd/nand/libnand.a drivers/mtd/onenand/libonenand.a drivers/mtd/ubi/libubi.a drivers/mtd/spi/libspi_flash.a drivers/net/libnet.a drivers/net/phy/libphy.a drivers/pci/libpci.a drivers/pcmcia/libpcmcia.a drivers/power/libpower.a drivers/spi/libspi.a drivers/rtc/librtc.a drivers/serial/libserial.a drivers/twserial/libtws.a drivers/usb/gadget/libusb_gadget.a drivers/usb/host/libusb_host.a drivers/usb/musb/libusb_musb.a drivers/usb/phy/libusb_phy.a drivers/video/libvideo.a drivers/watchdog/libwatchdog.a common/libcommon.a libfdt/libfdt.a api/libapi.a post/libpost.a board/actel/a2f-actel-dev-brd/liba2f-actel-dev-brd.a --end-group -L /home/mzee/kernel/actel/toolchains/arm-2011.09/bin/../lib/gcc/arm-none-eabi/4.6.1/thumb2 -lgcc -Map u-boot.map -o u-boot
arm-none-eabi-ld:u-boot.lds:7: syntax error
make: *** [u-boot] Error 1

What could be the source
Please help
Thanks

Hello. I'm currently using your u-boot version on our boards. But i cant find any method for debugging u-boot using codewarrior or eclipse. what tools do you use to debug u-boot for k70-som or k70-twr? .thank you.