aspeed: create mapping regions for the maximum number of slaves
The SMC controller on the Aspeed SoC has a set of registers to configure the mapping of each flash module in the SoC address space. These mapping windows are configurable even though no SPI slave is attached to the controller. Also rewrite a bit the comments in the code on this topic. Signed-off-by: NCédric Le Goater <clg@kaod.org> Reviewed-by: NAndrew Jeffery <andrew@aj.id.au> Message-id: 1474977462-28032-6-git-send-email-clg@kaod.org Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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