AR #32122 - LogiCORE Serial RapidIO v5.1 - Re-Transmit Suppression Support bit set incorrectly as 1'b0

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LogiCORE Serial RapidIO v5.1 - Re-Transmit Suppression Support bit set incorrectly as 1'b0

AR# 32122
Part IP-RapidIO-Serial
Last Modified 2009-02-12 00:00:00.0
Status Active
Keywords SRIO, PHY, CAR, 0x10, 0x110, RTS

Description

Keywords: SRIO, PHY, CAR, 0x10, 0x110, RTS

The User Guide says that the Re-Transmit Suppression Support bit in the PHY CAR register (PHY Offset 0x10, bit 25) has a reset value of 1'b1, but when the register is read, the value comes back as 1'b0.

Solution

The Serial RapidIO core supports the Re-Transmit Suppression feature, but the bit is set incorrectly in the core's PHY Processing Element Features Capability Register. Both simulations and hardware implementations are affected. Because the bit is Read-only, it cannot be set with a Maintenance Write.

Note that the Re-Transmit Suppression Mask also does not reset to the value selected in CORE Generator (it resets to all 0's). The mask bits are R/W, so they can be overwritten to the desired values with a Maintenance Write.

These issues will be fixed in a future release of the core.

Revision History

02/12/2009 - Initial Release
 
 
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