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diff --git a/board/freescale/p1023rds/README b/board/freescale/p1023rds/README new file mode 100644 index 0000000..685f5da --- /dev/null +++ b/board/freescale/p1023rds/README @@ -0,0 +1,101 @@ +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 |