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Diffstat (limited to 'doc/README.mpc8572ds')
| -rw-r--r-- | doc/README.mpc8572ds | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/doc/README.mpc8572ds b/doc/README.mpc8572ds index 5a6df7f..06dab59 100644 --- a/doc/README.mpc8572ds +++ b/doc/README.mpc8572ds @@ -97,70 +97,70 @@ Implementing AMP(Asymmetric MultiProcessing) ------------- 1. Build kernel image for core0: - a. $ make 85xx/mpc8572_ds_defconfig + a. $ make 85xx/mpc8572_ds_defconfig - b. $ make menuconfig - - un-select "Processor support"->"Symetric multi-processing support" + b. $ make menuconfig + - un-select "Processor support"->"Symetric multi-processing support" - c. $ make uImage + c. $ make uImage d. $ cp arch/powerpc/boot/uImage /tftpboot/uImage.core0 2. Build kernel image for core1: - a. $ make 85xx/mpc8572_ds_defconfig + a. $ make 85xx/mpc8572_ds_defconfig - b. $ make menuconfig - - Un-select "Processor support"->"Symetric multi-processing support" - - Select "Advanced setup" -> " Prompt for advanced kernel - configuration options" - - Select "Set physical address where the kernel is loaded" and - set it to 0x20000000, asssuming core1 will start from 512MB. - - Select "Set custom page offset address" - - Select "Set custom kernel base address" - - Select "Set maximum low memory" - - "Exit" and save the selection. + b. $ make menuconfig + - Un-select "Processor support"->"Symetric multi-processing support" + - Select "Advanced setup" -> " Prompt for advanced kernel + configuration options" + - Select "Set physical address where the kernel is loaded" and + set it to 0x20000000, asssuming core1 will start from 512MB. + - Select "Set custom page offset address" + - Select "Set custom kernel base address" + - Select "Set maximum low memory" + - "Exit" and save the selection. - c. $ make uImage + c. $ make uImage d. $ cp arch/powerpc/boot/uImage /tftpboot/uImage.core1 3. Create dtb for core0: - $ dtc -I dts -O dtb -f -b 0 arch/powerpc/boot/dts/mpc8572ds_core0.dts > /tftpboot/mpc8572ds_core0.dtb + $ dtc -I dts -O dtb -f -b 0 arch/powerpc/boot/dts/mpc8572ds_core0.dts > /tftpboot/mpc8572ds_core0.dtb 4. Create dtb for core1: - $ dtc -I dts -O dtb -f -b 1 arch/powerpc/boot/dts/mpc8572ds_core1.dts > /tftpboot/mpc8572ds_core1.dtb + $ dtc -I dts -O dtb -f -b 1 arch/powerpc/boot/dts/mpc8572ds_core1.dts > /tftpboot/mpc8572ds_core1.dtb 5. Bring up two cores separately: - a. Power on the board, under u-boot prompt: - => setenv <serverip> - => setenv <ipaddr> - => setenv bootargs root=/dev/ram rw console=ttyS0,115200 - b. Bring up core1's kernel first: - => setenv bootm_low 0x20000000 - => setenv bootm_size 0x10000000 - => tftp 21000000 8572/uImage.core1 - => tftp 22000000 8572/ramdiskfile - => tftp 20c00000 8572/mpc8572ds_core1.dtb - => interrupts off - => bootm start 21000000 22000000 20c00000 - => bootm loados - => bootm ramdisk - => bootm fdt - => fdt boardsetup - => fdt chosen $initrd_start $initrd_end - => bootm prep - => cpu 1 release $bootm_low - $fdtaddr - - c. Bring up core0's kernel(on the same u-boot console): - => setenv bootm_low 0 - => setenv bootm_size 0x20000000 - => tftp 1000000 8572/uImage.core0 - => tftp 2000000 8572/ramdiskfile - => tftp c00000 8572/mpc8572ds_core0.dtb - => bootm 1000000 2000000 c00000 + a. Power on the board, under u-boot prompt: + => setenv <serverip> + => setenv <ipaddr> + => setenv bootargs root=/dev/ram rw console=ttyS0,115200 + b. Bring up core1's kernel first: + => setenv bootm_low 0x20000000 + => setenv bootm_size 0x10000000 + => tftp 21000000 8572/uImage.core1 + => tftp 22000000 8572/ramdiskfile + => tftp 20c00000 8572/mpc8572ds_core1.dtb + => interrupts off + => bootm start 21000000 22000000 20c00000 + => bootm loados + => bootm ramdisk + => bootm fdt + => fdt boardsetup + => fdt chosen $initrd_start $initrd_end + => bootm prep + => cpu 1 release $bootm_low - $fdtaddr - + c. Bring up core0's kernel(on the same u-boot console): + => setenv bootm_low 0 + => setenv bootm_size 0x20000000 + => tftp 1000000 8572/uImage.core0 + => tftp 2000000 8572/ramdiskfile + => tftp c00000 8572/mpc8572ds_core0.dtb + => bootm 1000000 2000000 c00000 Please note only core0 will run u-boot, core1 starts kernel directly after "cpu release" command is issued. |