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https://github.com/AsahiLinux/u-boot
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7676074ac7
This patch adjusts memory map for secure boot headers on LS2080AQDS and LS2080ARDB platforms. Secure boot headers are placed on NOR flash at offset 0x00600000. Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
135 lines
4.4 KiB
Text
135 lines
4.4 KiB
Text
Overview
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--------
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The LS2080A Reference Design (RDB) is a high-performance computing,
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evaluation, and development platform that supports the QorIQ LS2080A, LS2088A
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Layerscape Architecture processor.
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The LS2081A Reference Design (RDB) is a high-performance computing,
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evaluation, and development platform that supports the QorIQ LS2081A
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Layerscape Architecture processor.More details in below sections
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LS2080A, LS2088A, LS2081A SoC Overview
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--------------------------------------
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Please refer arch/arm/cpu/armv8/fsl-layerscape/doc/README.soc for LS2080A,
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LS2081A, LS2088A SoC overview.
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LS2080ARDB board Overview
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-----------------------
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- SERDES Connections, 16 lanes supporting:
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- PCI Express - 3.0
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- SATA 3.0
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- XFI
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- DDR Controller
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- Two ports of 72-bits (8-bits ECC) DDR4. Each port supports four
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chip-selects and two DIMM connectors. Support is up to 2133MT/s.
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- One port of 40-bits (8-bits ECC) DDR4 which supports four chip-selects
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and two DIMM connectors. Support is up to 1600MT/s.
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-IFC/Local Bus
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- IFC rev. 2.0 implementation supporting Little Endian connection scheme.
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- 128 MB NOR flash 16-bit data bus
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- One 2 GB NAND flash with ECC support
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- CPLD connection
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- USB 3.0
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- Two high speed USB 3.0 ports
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- First USB 3.0 port configured as Host with Type-A connector
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- Second USB 3.0 port configured as OTG with micro-AB connector
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- SDHC adapter
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- SD Card Rev 2.0 and Rev 3.0
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- DSPI
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- 128 MB high-speed flash Memory for boot code and storage (up to 108MHz)
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- 4 I2C controllers
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- Two SATA onboard connectors
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- UART
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- ARM JTAG support
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LS2081ARDB board Overview
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-------------------------
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LS2081ARDB board is similar to LS2080ARDB board
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with few differences like
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- Hosts LS2081A SoC
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- Default boot source is QSPI-boot
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- Does not have IFC interface
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- RTC and QSPI flash devices are different
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- Provides QIXIS access via I2C
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Memory map from core's view
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----------------------------
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0x00_0000_0000 .. 0x00_000F_FFFF Boot Rom
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0x00_0100_0000 .. 0x00_0FFF_FFFF CCSR
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0x00_1800_0000 .. 0x00_181F_FFFF OCRAM
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0x00_2000_0000 .. 0x00_2FFF_FFFF QSPI region #1
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0x00_3000_0000 .. 0x00_3FFF_FFFF IFC region #1
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0x00_8000_0000 .. 0x00_FFFF_FFFF DDR region #1
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0x05_1000_0000 .. 0x05_FFFF_FFFF IFC region #2
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0x80_8000_0000 .. 0xFF_FFFF_FFFF DDR region #2
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Other addresses are either reserved, or not used directly by U-Boot.
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This list should be updated when more addresses are used.
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IFC region map from core's view
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-------------------------------
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During boot i.e. IFC Region #1:-
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0x30000000 - 0x37ffffff : 128MB : NOR flash
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0x3C000000 - 0x40000000 : 64MB : CPLD
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After relocate to DDR i.e. IFC Region #2:-
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0x5_1000_0000..0x5_1fff_ffff Memory Hole
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0x5_2000_0000..0x5_3fff_ffff IFC CSx (CPLD, NAND and others 512MB)
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0x5_4000_0000..0x5_7fff_ffff ASIC or others 1GB
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0x5_8000_0000..0x5_bfff_ffff IFC CS0 1GB (NOR/Promjet)
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0x5_C000_0000..0x5_ffff_ffff IFC CS1 1GB (NOR/Promjet)
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Booting Options
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---------------
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a) NOR boot
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b) NAND boot
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c) QSPI boot
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Memory map for NOR boot
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-------------------------
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Image Flash Offset
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RCW+PBI 0x00000000
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Boot firmware (U-Boot) 0x00100000
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Boot firmware Environment 0x00300000
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PPA firmware 0x00400000
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Secure Headers 0x00600000
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Cortina PHY firmware 0x00980000
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DPAA2 MC 0x00A00000
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DPAA2 DPL 0x00D00000
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DPAA2 DPC 0x00E00000
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Kernel.itb 0x01000000
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cfg_rcw_src switches needs to be changed for booting from different option.
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Refer to board documentation for correct switch setting.
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QSPI boot details
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===================
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Supported only for
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LS2088ARDB RevF board with LS2088A SoC.
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Images needs to be copied to QSPI flash
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as per memory map given below.
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Memory map for QSPI flash
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-------------------------
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Image Flash Offset
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RCW+PBI 0x00000000
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Boot firmware (U-Boot) 0x00100000
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Boot firmware Environment 0x00300000
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PPA firmware 0x00400000
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Cortina PHY firmware 0x00980000
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DPAA2 MC 0x00A00000
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DPAA2 DPL 0x00D00000
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DPAA2 DPC 0x00E00000
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Kernel.itb 0x01000000
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Booting Linux flavors which do not support 48-bit VA (< Linux 3.18)
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-------------------------------------------------------------------
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One needs to use appropriate bootargs to boot Linux flavors which do
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not support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown
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below:
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=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram
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earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m
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hugepages=16 mem=2048M'
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