本帖最后由 sam1985317 于 2013-3-26 10:04 编辑
Boot The Cortex-A9 MPCORE With Linux+uC/OS-II AMP
AMP:(Asymmetric Multiple Processing)
Scenario:cpu core 0 run Linux, cpu core 1 run uC/OS-II RTOS. HDMI display panel link to Linux, LCD display panel link to uC/OS-II RTOS.
Platform:
Mars Board(freesclae i.mx6 dual Coretex-A9 core, 1GB 64bit DDR3)
Panda Board(TI OMAP4460 dual Cortex-A9 core, 1GB 32bit DDR3)
Altera SoC EVM Board(dual Cortex-A9 core, (512MB+256MB ECC) DDR3 on HPS, 512MB on FPGA)
Video Demo On Mars Board:
Youtube:FGW
Youku: v.youku.com/v_show/id_XNTMyNTAzNjky.*h*t*m*l remove * char
AMP Port:
Linux SMP boot procedure is not mention here, For detail about the Linux SMP boot procedure please refer to the document here, linux-arm.org/LinuxBootLoader/SMPBoot.I just move the boot secondary procedure from Linux to U-boot as figure 1 in the AMP implementation, and figure 2 describe the GIC relationship between two core and physical memory layout between Linux and uC/OS-II.
Figure 1
Figure 2
Display Subsystem Block on Mars Board and Panda Board:
Figure 3 imx6 display subsystem(Mars Board)
Figure 4 omap4460 display subsystem on panda board
Embest Tech co.,ltd Author:Fourier Email:samssmarm_AT_gmail_DOT_com | 
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