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https://github.com/AsahiLinux/u-boot
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4961eafc25
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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|---|---|---|
| .. | ||
| cpld.c | ||
| cpld.h | ||
| ddr.c | ||
| ddr.h | ||
| eth.c | ||
| Kconfig | ||
| ls1046ardb.c | ||
| ls1046ardb_pbi.cfg | ||
| ls1046ardb_rcw_emmc.cfg | ||
| ls1046ardb_rcw_sd.cfg | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Overview
--------
The LS1046A Reference Design Board (RDB) is a high-performance computing,
evaluation, and development platform that supports the QorIQ LS1046A
LayerScape Architecture processor. The LS1046ARDB provides SW development
platform for the Freescale LS1046A processor series, with a complete
debugging environment. The LS1046A RDB is lead-free and RoHS-compliant.
LS1046A SoC Overview
--------------------
Please refer arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc for LS1046A
SoC overview.
LS1046ARDB board Overview
-----------------------
- SERDES1 Connections, 4 lanes supporting:
- Lane0: XFI with x1 RJ45 connector
- Lane1: XFI Cage
- Lane2: SGMII.5
- Lane3: SGMII.6
- SERDES2 Connections, 4 lanes supporting:
- Lane0: PCIe1 with miniPCIe slot
- Lane1: PCIe2 with PCIe x2 slot
- Lane2: PCIe3 with PCIe x4 slot
- Lane3: SATA
- DDR Controller
- 8GB 64bits DDR4 SDRAM. Support rates of up to 2133MT/s
-IFC/Local Bus
- One 512 MB NAND flash with ECC support
- CPLD connection
- USB 3.0
- one Type A port, one Micro-AB port
- SDHC: connects directly to a full SD/MMC slot
- DSPI: 64 MB high-speed flash Memory for boot code and storage (up to 108MHz)
- 4 I2C controllers
- 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_7E80_0000 - 0x00_7E80_FFFF IFC - NAND Flash 64KB
0x00_7FB0_0000 - 0x00_7FB0_0FFF IFC - CPLD 4KB
0x00_8000_0000 - 0x00_FFFF_FFFF DRAM1 2GB
0x05_0000_0000 - 0x05_07FF_FFFF QMAN S/W Portal 128M
0x05_0800_0000 - 0x05_0FFF_FFFF BMAN S/W Portal 128M
0x08_8000_0000 - 0x09_FFFF_FFFF DRAM2 6GB
0x40_0000_0000 - 0x47_FFFF_FFFF PCI Express1 32G
0x48_0000_0000 - 0x4F_FFFF_FFFF PCI Express2 32G
0x50_0000_0000 - 0x57_FFFF_FFFF PCI Express3 32G
QSPI flash map:
Start Address End Address Description Size
0x00_4000_0000 - 0x00_400F_FFFF RCW + PBI 1MB
0x00_4010_0000 - 0x00_401F_FFFF U-Boot 1MB
0x00_4020_0000 - 0x00_402F_FFFF U-Boot Env 1MB
0x00_4030_0000 - 0x00_403F_FFFF FMan ucode 1MB
0x00_4040_0000 - 0x00_404F_FFFF UEFI 1MB
0x00_4050_0000 - 0x00_406F_FFFF PPA 2MB
0x00_4070_0000 - 0x00_408F_FFFF Secure boot header
+ bootscript 2MB
0x00_4090_0000 - 0x00_40FF_FFFF Reserved 7MB
0x00_4100_0000 - 0x00_43FF_FFFF FIT Image 48MB
Booting Options
---------------
a) QSPI boot
b) SD boot
c) eMMC boot