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Overview
--------
The P1023 process includes a performance optimized implementation of the
QorIQ data Path Acceleration Architecture (DPAA). This architecture
provides the infrastructure to support simplified sharing of networking
interfaces and accelerators by multiple CPU cores. P1023 is an e500 based
dual core SOC.
P1023RDS board is a Low End Dual core platform supporting the P1023
processor of QorIQ series.
Building U-boot
---------------
To build the u-boot for P1023RDS:
Configure to NOR boot:
make P1023RDS_config
Configure to NAND boot:
make P1023RDS_NAND_config
Build:
make
Board Switches
--------------
Most switches on the board should not be changed. The most frequent
user-settable switches on the board are used to configure
the flash banks.
J4: all open
Default NOR flash boot switch setting:
Sw3[1:8]: off on on off on on off off
Sw4[1:8]: off off off on off off off off
Sw6[1:8]: off on off on off on on off
Sw7[1:8]: off on off off on off off off
Sw8[1:8]: on off off off off off off off
For NAND flash boot,set
Sw4[1:4]: off on on on
The default native ethernet setting is for RGMII mode.
To use SGMII mode, set
SW8[1:2]: OFF OFF
SW7[6:7]: ON ON
Memory Map
----------
0x0000_0000 0x7fff_ffff DDR 2G Cacheable
0x8000_0000 0xbfff_ffff PCI Express Mem 1G non-cacheable
0xc000_0000 0xdfff_ffff PCI 512M non-cacheable
0xe100_0000 0xe3ff_ffff PCI IO range 4M non-cacheable
0xe000_0000 0xe003_ffff BCSR 256K BCSR
0xee00_0000 0xefff_ffff NOR flash 32M NOR flash
0xff00_0000 0xff3f_ffff DPAA_QBMAN 4M
0xff60_0000 0xff7f_ffff CCSR 2M non-cacheable
0xffa0_0000 0xffaf_ffff NAND FLASH 1M non-cacheable
0xffd0_0000 0xffd0_3fff L1 for stack 16K Cacheable TLB0
Flashing u-boot Images
---------------
To program the image in the boot flash bank:
NOR flash boot:
=> tftp 1000000 u-boot.bin
=> protect off all
=> erase eff80000 efffffff
=> cp.b 1000000 eff80000 80000
NAND flash boot:
=> tftp 1000000 u-boot-nand.bin
=> nand erase 0 80000
=> nand write 1000000 0 80000
Firmware ucode location
---------------------------------
Microcode(ucode) to FMAN's IRAM is needed to make FMAN Ethernet work.
u-boot loads ucode FLASH. The location for ucode:
NOR Flash: 0xfe000000
NAND Flash: 0x1f00000
Using the Device Tree Source File
---------------------------------
To create the DTB (Device Tree Binary) image file,
use a command similar to this:
dtc -b 0 -f -I dts -O dtb p1023rds.dts > p1023rds.dtb
Likely, that .dts file will come from here;
linux-2.6/arch/powerpc/boot/dts/p1023rds.dts
or
make p1023rds.dtb ARCH=powerpc
in linux-2.6 directory.
Booting Linux
-------------
Place a linux uImage in the TFTP disk area.
tftp 1000000 uImage
tftp 2000000 rootfs.ext2.gz.uboot
tftp c00000 p1023rds.dtb
bootm 1000000 2000000 c00000