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In early MMU table, DDR has to be mapped as device memory to avoid speculative access. After DDR is initialized, it needs to be updated to normal memory to allow code execution. To simplify the code, dram_init() is moved into a common file as a weak function. Signed-off-by: York Sun <york.sun@nxp.com> |
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ddr.c | ||
ddr.h | ||
eth.c | ||
Kconfig | ||
ls1043aqds.c | ||
ls1043aqds_pbi.cfg | ||
ls1043aqds_qixis.h | ||
ls1043aqds_rcw_nand.cfg | ||
ls1043aqds_rcw_sd_ifc.cfg | ||
ls1043aqds_rcw_sd_qspi.cfg | ||
MAINTAINERS | ||
Makefile | ||
README |
Overview -------- The LS1043A Development System (QDS) is a high-performance computing, evaluation, and development platform that supports the QorIQ LS1043A LayerScape Architecture processor. The LS1043AQDS provides SW development platform for the Freescale LS1043A processor series, with a complete debugging environment. LS1043A SoC Overview -------------------- Please refer arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc for LS1043A SoC overview. LS1043AQDS board Overview ----------------------- - SERDES Connections, 4 lanes supporting: - PCI Express - 3.0 - SGMII, SGMII 2.5 - QSGMII - SATA 3.0 - XFI - DDR Controller - 2GB 40bits (8-bits ECC) DDR4 SDRAM. Support rates of up to 1600MT/s -IFC/Local Bus - One in-socket 128 MB NOR flash 16-bit data bus - One 512 MB NAND flash with ECC support - PromJet Port - FPGA connection - USB 3.0 - Three high speed USB 3.0 ports - First USB 3.0 port configured as Host with Type-A connector - The other two USB 3.0 ports configured as OTG with micro-AB connector - SDHC port connects directly to an adapter card slot, featuring: - Optional clock feedback paths, and optional high-speed voltage translation assistance - SD slots for SD, SDHC (1x, 4x, 8x), and/or MMC - eMMC memory devices - DSPI: Onboard support for three SPI flash memory devices - 4 I2C controllers - One SATA onboard connectors - UART - Two 4-pin serial ports at up to 115.2 Kbit/s - Two DB9 D-Type connectors supporting one Serial port each - ARM JTAG support Memory map from core's view ---------------------------- Start Address End Address Description Size 0x00_0000_0000 0x00_000F_FFFF Secure Boot ROM 1MB 0x00_0100_0000 0x00_0FFF_FFFF CCSRBAR 240MB 0x00_1000_0000 0x00_1000_FFFF OCRAM0 64KB 0x00_1001_0000 0x00_1001_FFFF OCRAM1 64KB 0x00_2000_0000 0x00_20FF_FFFF DCSR 16MB 0x00_6000_0000 0x00_67FF_FFFF IFC - NOR Flash 128MB 0x00_7E80_0000 0x00_7E80_FFFF IFC - NAND Flash 64KB 0x00_7FB0_0000 0x00_7FB0_0FFF IFC - FPGA 4KB 0x00_8000_0000 0x00_FFFF_FFFF DRAM1 2GB Booting Options --------------- a) Promjet Boot b) NOR boot c) NAND boot d) SD boot e) QSPI boot