View source for BELK-AN-001: Asymmetric Multiprocessing (AMP) on Bora – Linux FreeRTOS

====Example #1: HelloWorld application====
<pre>
addcons=setenv bootargs ${bootargs} console=${console},115200n8 cma=16M debug maxcpus=${nr_cpus} 
addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gateway}:${netmask}:${hostname}:${ethdev} 
addmem=setenv bootargs ${bootargs} mem=1008M 
baudrate=115200 
bootdelay=3 
bootfile=bora/uImage 
console=ttyPS0 
dt_base=0x005C0000 
ethact=Gem.e000b000 
ethaddr=00:0a:35:00:01:22 
ethdev=eth0 
fdt_high=0x1F000000 
fileaddr=0 
filesize=2f0ed0 
fpga_base=0x00180000 
fpga_file=belk/free_rtos/bora_design_wrapper.bin 
freertos_addr=0x3F000000 
freertos_file=bora/belk/free_rtos/helloworld_freertos.bin 
fsbl_base=0x40000 
ftd_file=bora/bora.dtb 
gateway=192.168.0.254 
header_base=0 
hostname=bora 
ipaddr=192.168.0.209 
jtagboot=echo TFTPing Linux to RAM...;tftp 0x8000 zImage;tftp 0x1000000 devicetree.dtb;tftp 0x800000 ramdisk8M.image.gz;go 0x8000 
kernel_size=0x140000 
load=tftp ${loadaddr} bora/u-boot.bin 
load_dt=tftp ${loadaddr} bora/bora.dtb 
load_fpga=tftp ${loadaddr} bora/${fpga_file} 
load_freertos=tftp ${freertos_addr} ${freertos_file};mw.l 0xFFFFFFF0 ${freertos_addr} 
load_fsbl=tftp ${loadaddr} bora/belk/free_rtos/bora_FSBL.bin 
load_h=tftp ${loadaddr} bora/boot_header-1.1.0 
loadaddr=0x08000000 
loadaddr_ftd=0x01000000 
loadaddr_kern=0x0 
loadk=tftp ${loadaddr_kern} ${bootfile};tftp ${loadaddr_ftd} ${ftd_file} 
modeboot=qspiboot 
net_nfs=run program_fpga; run load_freertos; run loadk nfsargs addip addcons addmem; bootm ${loadaddr_kern} - ${loadaddr_ftd} 
netmask=255.255.255.0 
nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} 
nr_cpus=1 
program_fpga=run load_fpga;fpga load 0 ${loadaddr} 0x${filesize} 
qspiboot=sf probe 0 0 0;sf read 0x8000 0x100000 0x2c0000;sf read 0x1000000 0x3c0000 0x40000;sf read 0x800000 0x400000 0x800000;go 0x8000 
ramdisk_size=0x200000 
rootpath=/home/shared/devel/dave/bora-DBRx/sw/linux/rfs/BELK/ubuntu_12.04 
sdboot=echo Copying Linux from SD to RAM...;mmcinfo;fatload mmc 0 0x8000 zImage;fatload mmc 0 0x1000000 devicetree.dtb;fatload mmc 0 0x800000 ramdisk8M.image.gz;go 0x8000 
serverip=192.168.0.23 
stderr=serial 
stdin=serial 
stdout=serial 
u-boot_base=0x80000 
update=sf probe 0 0 0;sf erase ${u-boot_base} 0x80000;sf write ${loadaddr} ${u-boot_base} 0x80000 
update_dt=sf probe 0 0 0;sf erase ${dt_base} 0x40000;sf write ${loadaddr} ${dt_base} 0x40000 
update_fpga=sf probe 0 0 0;sf erase ${fpga_base} 0x440000;sf write ${loadaddr} ${fpga_base} 0x440000 
update_fsbl=sf probe 0 0 0;sf erase ${fsbl_base} 0x40000;sf write ${loadaddr} ${fsbl_base} 0x40000 
update_fsbl_nand=run load_fsbl; nand erase 0x40000 0x40000; nand write ${loadaddr} 0x40000 0x40000 
update_h=sf probe 0 0 0;sf erase ${header_base} 0x40000;sf write ${loadaddr} ${header_base} 0x40000
</pre>