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AR# 41953

13.1 EDK - When creating a custom board, why are the peripherals named Generic?

Description

When designing a custom board via Base System Builder (BSB), the components come up as (for example) Generic_IIC, Generic_SPI instead of IIC_EPROM and SPI_Flash respectively. Do these use the same software libraries? Would one expect to see a difference in performance?

Solution

The use of GENERIC is only an arbitrary instance name. By using a custom board, BSB does not know exactly what devices are intended to be used,only which peripheral controllers will be used. When you running BSB ona demo board,BSB knows exactly which boardperipherals (e.g. IIC_EPROM and SPI_FLASH) are present, andare thengiven appropriate instance names.

Either way, the devices use the exact same libraries, regardless of name. Assumingsimilar connections/constraints are chosen as to what BSB would make for the same peripheral, expect the same results in terms of performance.
AR# 41953
Date Created 08/24/2011
Last Updated 12/15/2012
Status Active
Type General Article
Tools
  • EDK - 13.2