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![]() ROCK Pi S is a Rockchip RK3308 based SBC from Radxa. It contains a 64-bit quad core processor, USB, ethernet, wireless connectivity, and voice detection engine in 1.7-inches square. The ROCK Pi S comes in two RAM sizes 256MB or 512MB DDR3, and uses an sdmmc card for OS and storage. Optionally, some versions of the ROCK Pi S provide on-board storage via 1Gb/2Gb/4Gb/8Gb of SLC NAND flash. "S" stands for "small square" since the total board size of the rock-pi-s is 1.7-inches square. This BSP assumes booting from sdmmc, and using ttyS0 for the serial console (similar to Raspberry Pi). The latest version of the binary ddr initializer code from rkbin does not provide a uart0 option, therefore all diagnostic output from rkbin and u-boot is lost on the console (and replaced with a stream of gibberish until the Linux kernel starts). Therefore, by default, the build assumes the user would prefer to see this information and have the option to interact with U-Boot, which means an older version of rkbin is used. The user can override this decision by setting: RKBIN_RK3308_LATEST = "1" Signed-off-by: Trevor Woerner <twoerner@gmail.com> |
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