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Diffstat (limited to 'board/freescale/ls2080a/README')
| -rw-r--r-- | board/freescale/ls2080a/README | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/board/freescale/ls2080a/README b/board/freescale/ls2080a/README new file mode 100644 index 0000000000..7e53f1f1e4 --- /dev/null +++ b/board/freescale/ls2080a/README @@ -0,0 +1,27 @@ +Freescale ls2080a_emu + +This is a emulator target with limited peripherals. + +Memory map from core's view + +0x00_0000_0000 .. 0x00_000F_FFFF Boot Rom +0x00_0100_0000 .. 0x00_0FFF_FFFF CCSR +0x00_1800_0000 .. 0x00_181F_FFFF OCRAM +0x00_3000_0000 .. 0x00_3FFF_FFFF IFC region #1 +0x00_8000_0000 .. 0x00_FFFF_FFFF DDR region #1 +0x05_1000_0000 .. 0x05_FFFF_FFFF IFC region #2 +0x80_8000_0000 .. 0xFF_FFFF_FFFF DDR region #2 + +Other addresses are either reserved, or not used directly by u-boot. +This list should be updated when more addresses are used. + +Booting Linux flavors which do not support 48-bit VA (< Linux 3.18) +------------------------------------------------------------------- +One needs to use appropriate bootargs to boot Linux flavors which do +not support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown +below: + +=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram + earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m + hugepages=16 mem=2048M' + |