diff options
Diffstat (limited to 'board/freescale/t208xqds/README')
| -rwxr-xr-x | board/freescale/t208xqds/README | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/board/freescale/t208xqds/README b/board/freescale/t208xqds/README index e05a10f..e3eb5ba 100755 --- a/board/freescale/t208xqds/README +++ b/board/freescale/t208xqds/README @@ -85,10 +85,29 @@ System Logic: - QIXIS-II FPGA system controll Debug Features: - Support Legacy, COP/JTAG, Aurora, Event and EVT - +XFI: + - XFI is supported on T2080QDS through Lane A/B/C/D on Serdes 1 routed to + a on-board SFP+ cages, which to house optical module (fiber cable) or + direct attach cable(copper), the copper cable is used to emulate + 10GBASE-KR scenario. + So, for XFI usage, there are two scenarios, one will use fiber cable, + another will use copper cable. An hwconfig env "fsl_10gkr_copper" is + introduced to indicate a XFI port will use copper cable, and U-boot + will fixup the dtb accordingly. + It's used as: fsl_10gkr_copper:<10g_mac_name> + The <10g_mac_name> can be fm1_10g1, fm1_10g2, fm1_10g3, fm1_10g4, they + do not have to be coexist in hwconfig. If a MAC is listed in the env + "fsl_10gkr_copper", it will use copper cable, otherwise, fiber cable + will be used by default. + for ex. set "fsl_10gkr_copper:fm1_10g1,fm1_10g2,fm1_10g3,fm1_10g4" in + hwconfig, then both four XFI ports will use copper cable. + set "fsl_10gkr_copper:fm1_10g1,fm1_10g2" in hwconfig, then first two + XFI ports will use copper cable, the other two XFI ports will use fiber + cable. System Memory map ------------------ +---------------- + Start Address End Address Description Size 0xF_FFDF_0000 0xF_FFDF_0FFF IFC - CPLD 4KB 0xF_FF80_0000 0xF_FF80_FFFF IFC - NAND Flash 64KB |