Messages in this thread | | | Subject | Re: [RFC PATCH 2/3] RISC-V: Initial DTS for Microchip ICICLE board | From | Ben Dooks <> | Date | Tue, 3 Nov 2020 18:28:11 +0000 |
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On 03/11/2020 18:10, Cyril.Jean@microchip.com wrote: > On 11/3/20 3:07 PM, Atish Patra wrote: >> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe >> >> On Fri, Oct 30, 2020 at 2:20 PM Ben Dooks <ben.dooks@codethink.co.uk> wrote:
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>>>> @Cyril : Can we enable both eMMC & sdcard at the same time ? >>> I would put /both/ in but only enable the one in use for the moment. >>> Our boards are booting of eMMC as supplied, so this isn't going to work >>> as well. The eMMC is 8bit wide, and thus is only delivering 11MB/sec >>> instead of 22MB/sec. This performance is still not great, but losing >>> half the data-rate is just not good. >>> >> I am not sure what should be enabled by default. Updating sdcard is much >> easier than eMMC card and we use that approach. >> >> @Cyril: Is there a way that we can enable both ? >> > Yes, we can enable both but this requires a modification to the FPGA > design. One of the guys prototyped this while I was away. We will move > this along. This will require reprogramming the FPGA with a new design > and HSS version. > > Regards, > > Cyril.
I either missed or couldn't find a way of forcing the boot mode to be from the SD slot. Have I missed something? At the moment we'd like to have more storage available as the ~7G free on the eMMC is not enough.
-- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius
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