GR740 has two on-chip GRETH MAC's, the board has no external SMC91C111 device. Contact Cobham for the correct defines for GRETH and RCC ...
On 8/23/20 5:41 PM, Diego Benavides wrote: > I'm new to rtems and the leon in general. I've managed to build the samples > provided by Gaisler and load (some) on my dev board: > https://www.gaisler.com/anonftp/rcc/rcc-1.2/1.2.25/ > > The board is the GR-CPCI-GR740. However I'm trying to understand the network > interface and can't seem to get it going. When I run the samples rtems-ttcp > and rtems-ttcpw (for read/write respectively) the board configuration seems > to fail. > > Checking the uart debug output shows the following: > Activating Leon3 io port for smsc_lan91cxx (pio:FF902000 mctrl:FF903000) > Failed to initialize grpci2 driver -2 > Initializing network > Can't bring smc1 up: No such device or address > greth1: mii read[1] failed to 2.0 (0x9e004000,0x00001004) > greth1: mii read[2] failed to 2.0 (0x9e004000,0x00001004) > greth1: mii read[3] failed to 2.0 (0x9e004000,0x00001004) > > > In rtems-ttcp.c I have tried swapping the #define statements: > #define ENABLE_NETWORK > #define ENABLE_NETWORK_SMC_LEON2 > /* Define this is a SMC91C111 CHIP is available on the I/O bus */ > /*#define ENABLE_NETWORK_SMC_LEON3*/ > > However I'm not entirely clear on the configuration. Would anyone have > insight into this? > > Cheers, > Diego > > _______________________________________________ > users mailing list > users@rtems.org > http://lists.rtems.org/mailman/listinfo/users
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