Part Number: AM625
Dear Team,
I need some clarification regarding the SRAM available on the BeaglePlay board.
The BeaglePlay provides a total on-chip SRAM capacity of 816 KB. However, my project requires at least 1 MB of SRAM. To meet this requirement, I have interfaced an external SRAM device through the SPI interface.
My next objective is to make this external SRAM appear as part of the system's main memory. Is there any method or mechanism available to integrate the external SPI SRAM into the main memory space so that it can be accessed similarly to the onboard SRAM?
I also have a question regarding SRAM capacity verification. I used the following command:
root@beagleplay-ti:/# cat /proc/iomem | grep -i sram
The output is:
70000000-7000ffff : 70000000.sram sram@70000000
Based on my understanding, this command displays only the SRAM region that is currently assigned to and managed by the Linux kernel. I would like to identify and verify the remaining SRAM regions so that I can account for the complete on-chip SRAM capacity of 816 KB.
Could you please guide me on:
Whether external SPI SRAM can be integrated into the system memory space and used as part of the main memory.
How to view or verify all SRAM regions available on the BeaglePlay, including the portions not currently listed by the above command.
Thanks & Regards
Aparna C Nair
